Chemical adding device and chemical adding method for oil field producing well group

Abstract

The invention relates to the technical field of oil field dosing, and discloses a dosing device and a dosing method for an oil field producing well group, the dosing device comprises a track and a moving trolley, the track is installed at the corresponding position of the oil field producing well group, the moving trolley is arranged on the track, and a first moving mechanism is arranged on the right side of the upper end of the moving trolley; a lifting mechanism is arranged at the upper end of the first moving mechanism, a cross rod is arranged at the front end of the lifting mechanism, a second mounting frame is fixedly connected to the left side of the lower end of the cross rod, a first mounting frame is fixedly connected to the right side of the lower end of the cross rod, and a discharging assembly is arranged in the second mounting frame and used for injecting liquid medicine into the production well; a screwing mechanism is arranged in the first mounting frame and is used for screwing the valve; and an auxiliary assembly is arranged at the upper end of the transverse rod and used for providing assistance for the discharging assembly and the screwing mechanism, and in the chemical adding process, manual operation is not needed, so that protection on workers is improved, and meanwhile the labor intensity of the workers is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of oilfield dosing, in particular to a dosing device and a dosing method for an oil field production well group. Background Art

[0002] When the oil field enters the middle and late stages of development, the water content will gradually increase. At the same time, high water content causes scaling and corrosion of downhole pipes and sucker rods. Due to the exploitation of some difficult-to-use reserves, some oil wells have abnormal production and high wellhead back pressure due to thick oil and wax deposition. The solution to the above problems is to add various chemical agents into the well to achieve the purpose of corrosion inhibition, wax prevention and viscosity reduction, reduce the occurrence of accidents such as sticking, blocking, breaking and detachment of sucker rods, oil pipes and oil pumps, and maintain the normal production of oil wells.

[0003] At present, when adding chemicals, the oil field production well group adopts manual dosing. When adding chemicals manually, they need to wear work clothes and carry protective glasses to avoid splashing into their eyes or skin during use. At the same time, the manual dosing process requires the cooperation of multiple people to add liquid medicine into the oil well, so there is an urgent need to solve this situation. Summary of the invention

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies of the prior art, the present invention provides a dosing device and a dosing method for an oil field production well group, which solves the problem that the existing oil field production well group needs to manually dosing when dosing.

[0006] Technical Solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a dosing device for an oilfield production well group, comprising a track and a mobile trolley, the track is installed at a corresponding position of the oilfield production well group, the mobile trolley is arranged on the track, a storage tank is fixedly connected to the left side of the upper end of the mobile trolley, a sealing cover is threadedly connected to the upper end of the storage tank, a stirring mechanism is arranged inside the storage tank, the stirring mechanism comprises a first motor, a stirring shaft and stirring blades, a stirring shaft is rotatably connected inside the storage tank, and a stirring blade is fixedly connected to the circumferential surface of the stirring shaft; a first motor is fixedly connected to the upper end of the storage tank, and an output end of the first motor is fixedly connected to the stirring shaft;

[0008] A first moving mechanism is provided on the right side of the upper end of the mobile trolley, a lifting mechanism is provided on the upper end of the first moving mechanism, a cross bar is provided at the front end of the lifting mechanism, a second mounting frame is fixedly connected to the left side of the lower end of the cross bar, and a first mounting frame is fixedly connected to the right side of the lower end of the cross bar, a discharging assembly is provided inside the second mounting frame, and the discharging assembly is used to add liquid medicine into the production well; a twisting mechanism is provided inside the first mounting frame, and the twisting mechanism is used to twist the valve; an auxiliary assembly is provided on the upper end of the cross bar, and the auxiliary assembly is used to provide assistance to the discharging assembly and the twisting mechanism;

[0009] A conveying mechanism is provided on the left side of the upper end of the mobile trolley, the liquid inlet end of the conveying mechanism is connected to the storage tank, and the liquid outlet end of the conveying mechanism is connected to the discharging assembly;

[0010] A second moving mechanism is arranged at the upper end of the moving trolley. The second moving mechanism is provided with two groups and is symmetrically distributed on both sides of the first moving mechanism. A protection component is arranged at the upper end of the second moving mechanism.

[0011] Furthermore, the first moving mechanism includes a support plate, a second motor, a first screw rod, a moving seat and a guide rod. The upper end of the moving trolley is fixedly connected to the support plate and the second motor. Two support plates are provided. The first screw rod is rotatably connected inside the support plate, and the circumferential surface of the first screw rod is threadedly connected to the moving seat; a guide rod is fixedly connected between the two support plates, and the guide rod is slidably connected to the moving seat, and the output end of the second motor is fixedly connected to the first screw rod.

[0012] Furthermore, the lifting mechanism includes a support column, a third motor, a second screw rod and a moving arm. The upper end of the moving seat is fixedly connected to the support column, the second screw rod is rotatably connected inside the support column, the circumferential surface of the second screw rod is threadedly connected to the moving arm, the moving arm is slidably connected to the support column, and the front end of the moving arm is fixedly connected to the cross bar; the third motor is fixedly connected to the upper end of the support column, and the output end of the third motor is fixedly connected to the second screw rod.

[0013] Further, the discharging assembly includes a connecting head, a first pipe, a movable pipe, a second pipe and a sealing member; the first pipe and the second pipe are fixedly connected inside the second mounting frame; the upper end of the first pipe is fixedly connected to the connecting head; the rear end of the connecting head passes through the second mounting frame; the circumferential surfaces of the first pipe and the second pipe are both slidably connected to the movable pipe; a sealing member is arranged inside the second pipe; the sealing member consists of a fixed frame, a connecting rod, a guide frame, a sealing ring and a sealing ball; the movable pipe is fixedly connected inside the fixed frame; the lower end of the fixed frame is fixedly connected to the connecting rod; the lower end of the connecting rod is fixedly connected to the sealing ball; the guide frame and the sealing ring are fixedly connected inside the second pipe; the guide frame and the connecting rod are slidably connected; the sealing ring cooperates with the sealing ball.

[0014] Further, the twisting mechanism includes a fourth motor, a transmission shaft, a transmission cylinder, a transmission block, a rotating shaft, a first spring, a moving rod, a second spring and a twisting block, the first mounting frame is internally rotatably connected with the transmission shaft and the rotating shaft, the lower end of the transmission shaft is in the shape of a hexagonal prism, and the transmission shaft is externally slidably connected with the transmission cylinder; the fourth motor is fixedly connected to the right end of the cross bar, and the output end of the fourth motor is fixedly connected to the transmission shaft; the transmission block is internally slidably connected to the upper end of the rotating shaft, the end face shape of the transmission block is hexagonal, and the transmission block cooperates with the transmission cylinder; the first spring is internally fixedly connected to the upper end of the rotating shaft, and the upper end of the first spring is fixedly connected to the transmission block; the moving rod is internally slidably connected to the lower end of the rotating shaft, the end face shape of the moving rod is hexagonal, and the lower end of the moving rod is fixedly connected with the twisting block; the second spring is internally fixedly connected to the lower end of the rotating shaft, and the second spring is fixedly connected to the moving rod.

[0015] Furthermore, the auxiliary component includes an electric telescopic rod and a movable plate, the upper end of the cross bar is fixedly connected to the electric telescopic rod, the extended end of the electric telescopic rod passes through the lower end of the cross bar and is slidably connected to the cross bar, the extended end of the electric telescopic rod is fixedly connected to the movable plate, the left end of the movable plate is fixedly connected to the movable tube, and the right end of the movable plate is rotatably connected to the transmission cylinder.

[0016] Furthermore, the conveying mechanism includes a conveying pump, a connecting pipe and a liquid inlet pipe. The upper end of the mobile trolley is fixedly connected to the conveying pump, the liquid inlet end of the conveying pump is fixedly connected to the liquid inlet pipe, the end of the liquid inlet pipe away from the conveying pump extends into the storage tank, and the liquid inlet pipe is fixedly connected to the storage tank; the liquid outlet end of the conveying pump is fixedly connected to the connecting pipe, the connecting pipe is a hose, and the end of the connecting pipe away from the conveying pump is fixedly connected to the connecting head.

[0017] Further, the second moving mechanism includes a slide rail, a slider, a moving platform, a first rack, a first gear, a bearing seat, a connecting shaft, a second gear and a second rack; the upper end of the moving trolley is fixedly connected to the slide rail and the bearing seat, the slide rail is slidably connected to the slider, the upper end of the slider is fixedly connected to the moving platform, and the lower end of the moving platform is fixedly connected to the second rack; both sides of the moving seat are fixedly connected to the first rack; the bearing seat is rotatably connected with a connecting shaft, one end of the connecting shaft is fixedly connected to the first gear, the first gear is meshed with the first rack, the other end of the connecting shaft is fixedly connected to the second gear, and the second gear is meshed with the second rack.

[0018] Furthermore, the protection assembly includes a square tube, a sliding rod, a downward pressure rod, a transmission rod, a fixed protective cover, a movable protective cover, a limiting groove, a limiting block and a third spring. The square tube is fixedly connected to the rear side of the upper end of the movable platform, and the sliding rod is slidably connected inside the square tube. Both sides of the sliding rod are rotatably connected to the transmission rod, and the end of the transmission rod away from the sliding rod is rotatably connected to the movable protective cover; the fixed protective cover is fixedly connected to the front side of the upper end of the movable platform, and both sides of the fixed protective cover are fixedly connected to the limiting grooves, and the limiting grooves are slidably connected to the limiting blocks, and the limiting blocks are fixedly connected to the movable protective cover; the third spring is fixedly connected inside the square tube, and the third spring is fixedly connected to the sliding rod; the downward pressure rod is fixedly connected to the side end of the movable arm, and the downward pressure rod cooperates with the sliding rod.

[0019] A dosing method for a dosing device for an oil field production well group, characterized in that: using the above-mentioned dosing device for an oil field production well group, specifically comprising the following steps:

[0020] S1: Laying the track at the corresponding position of the oil well group in the oil field;

[0021] S2: The mobile trolley works to drive the whole equipment to move. When the equipment reaches the production well, the mobile trolley stops moving;

[0022] S3: The lifting mechanism rises, so that the discharging assembly and the twisting assembly are separated from the protection assembly.

[0023] S4: When the lifting mechanism rises to the top, the first moving mechanism works to drive the discharge assembly and the twisting mechanism to move forward, so that the discharge assembly is located at the upper end of the dosing pipe of the production well, and the twisting mechanism is located at the upper end of the valve; after the discharge assembly and the twisting assembly reach the specified position, the lifting mechanism descends, so that the discharge end of the discharge assembly is inserted into the inside of the dosing pipe, and the twisting end of the twisting mechanism is also located inside the handle of the valve;

[0024] S5: The twisting mechanism works to open the valve. After the valve is opened, the conveying mechanism works to convey the liquid medicine in the storage tank to the inside of the discharge assembly, and enters into the dosing pipe along the discharge assembly, thereby achieving the purpose of adding medicine to the inside of the production well.

[0025] Beneficial Effects

[0026] The present invention provides a dosing device and a dosing method for an oil field production well group, which has the following beneficial effects:

[0027] 1. The dosing device for the oil field production well group is provided with a slide rail, a mobile trolley, a storage tank, a conveying mechanism, a first moving mechanism, a lifting mechanism, a discharging assembly, an auxiliary assembly and a twisting mechanism. When in use, the slide rail is laid at the corresponding position of the oil field production well group, and then the mobile trolley is moved to drive the device to move so that the device reaches the production well position. After the device reaches the production well position, the first moving mechanism works to drive the cross bar to move forward, and then drives the discharging assembly, the auxiliary assembly and the twisting mechanism to move forward, so that the discharging assembly is located at the upper end of the production well dosing pipe, and the twisting mechanism is located at the upper end of the valve; after the discharging assembly and the twisting assembly reach the specified position, The lifting mechanism descends so that the discharge end of the discharge component is inserted into the dosing pipe, and the twisting end of the twisting mechanism is also located inside the handle of the valve. Then, with the cooperation of the auxiliary component, the discharge component is easy to open, and the twisting end of the twisting mechanism can also be rotated. Then the twisting mechanism works to open the valve. After the valve is opened, the conveying mechanism works to convey the liquid medicine in the storage tank to the inside of the discharge component and enter the dosing pipe along the discharge component, thereby realizing the dosing of the oil field production well group, so that during the dosing process, no manual operation is required, thereby improving the protection of workers and reducing the labor intensity of workers.

[0028] 2. The dosing device for an oilfield production well group is provided with a square tube, a sliding rod, a pressing rod, a transmission rod, a fixed protective cover, a movable protective cover, a limiting groove, a limiting block and a third spring. When the movable seat moves to the rear end, the pressing rod corresponds to the sliding rod, and then the movable arm moves downward, which also drives the pressing rod downward. When the pressing rod contacts the sliding rod, the pressing rod is squeezed to move toward the inside of the square tube, and then the movable protective cover can be driven to move toward the fixed protective cover with the cooperation of the transmission rod. At the same time, the movement of the movable protective cover is coordinated with the limiting groove and the limiting block, so that the movable protective cover moves stably. When the movable protective cover is combined with the fixed protective cover, the discharging end of the discharging component and the twisting end of the twisting mechanism can be protected, thereby extending the service life of the discharging component and the twisting mechanism.

[0029] 3. The dosing device for the oil field production well group is provided with a slide rail, a slider, a mobile platform, a first rack, a first gear, a bearing seat, a connecting shaft, a second gear and a second rack. When the mobile seat moves forward, the first rack, the first gear, the bearing seat, the connecting shaft, the second gear and the second rack can cooperate to drive the mobile platform to move backward. At the same time, the cooperation of the slide rail and the slider is conducive to the smooth movement of the mobile platform. As the mobile platform moves backward, the protection component is also driven to move backward, so that the protection component will not block the downward movement of the cross bar, thereby facilitating the subsequent dosing operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the structure of the present invention from the first viewing angle as a whole;

[0031] Figure 2 It is a schematic diagram of the structure of the second viewing angle of the whole invention;

[0032] Figure 3 It is a schematic diagram of the structure of the present invention as a whole from a third viewing angle;

[0033] Figure 4 It is a schematic diagram of the structure of the fourth viewing angle of the present invention as a whole;

[0034] Figure 5 It is a schematic diagram of the structure of the present invention from a fifth viewing angle;

[0035] Figure 6 It is a schematic diagram of the internal structure of the present invention;

[0036] Figure 7 For the present invention Figure 6 Enlarged view of part A;

[0037] Figure 8 For the present invention Figure 7 Enlarged view of part C in the middle;

[0038] Fig. 9 For the present invention Figure 6 Enlarged view of part B;

[0039] Fig.10 It is a schematic diagram of the structure of the second moving mechanism and the protection component of the present invention in cooperation with the first viewing angle;

[0040] Fig.11 For the present invention Fig.10 Enlarged view of part D in the middle;

[0041] Fig.12 It is a schematic diagram of the structure of the second moving mechanism and the protection component in cooperation with the second viewing angle of the present invention;

[0042] Fig.13 For the present invention Fig.12 Enlarged view of part E in the middle;

[0043] Fig.14 This is a schematic diagram of the structure of the present invention after the movable protective cover and the fixed protective cover are separated;

[0044] Fig.15 It is a schematic diagram of the structure inside the storage tank of the present invention;

[0045] Fig.16 It is a structural schematic diagram of the lifting mechanism of the present invention.

[0046] In the figure: 1, track; 2, mobile trolley; 3, storage tank; 4, stirring mechanism; 401, first motor; 402, stirring shaft; 403, stirring blade; 5, sealing cover; 6, conveying mechanism; 601, conveying pump; 602, connecting pipe; 603, liquid inlet pipe; 7, first moving mechanism; 701, support plate; 702, second motor; 703, first screw rod; 704, moving seat; 705, guide rod; 8, lifting mechanism; 801, support Support column; 802, third motor; 803, second screw rod; 804, moving arm; 9, cross bar; 10, auxiliary component; 1001, electric telescopic rod; 1002, moving plate; 11, discharge component; 1101, connector; 1102, first pipeline; 1103, moving pipe; 1104, second pipeline; 1105, seal; 11051, fixed frame; 11052, connecting rod; 11053, guide frame; 11054, seal ring; 11055, sealing ball; 12, twisting mechanism; 1201, fourth motor; 1202, transmission shaft; 1203, transmission cylinder; 1204, transmission block; 1205, rotating shaft; 1206, first spring; 1207, moving rod; 1208, second spring; 1209, twisting block; 13, protection assembly; 1301, square cylinder; 1302, sliding rod; 1303, pressing rod; 1304, transmission rod; 1305, fixed Protective cover; 1306, movable protective cover; 1307, limiting groove; 1308, limiting block; 1309, third spring; 14, second moving mechanism; 1401, slide rail; 1402, slider; 1403, moving platform; 1404, first rack; 1405, first gear; 1406, bearing seat; 1407, connecting shaft; 1408, second gear; 1409, second rack; 15, first mounting bracket; 16, second mounting bracket. DETAILED DESCRIPTION

[0047] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0048] See also Figures 1 to 16A dosing device for an oilfield production well group comprises a track 1 and a mobile trolley 2. The track 1 is installed at a corresponding position of the oilfield production well group, and the mobile trolley 2 is arranged on the track 1. A storage tank 3 is fixedly connected to the left side of the upper end of the mobile trolley 2. A sealing cover 5 is threadedly connected to the upper end of the storage tank 3. A stirring mechanism 4 is arranged inside the storage tank 3. The stirring mechanism 4 comprises a first motor 401, a stirring shaft 402 and stirring blades 403. The stirring shaft 402 is rotatably connected inside the storage tank 3, and the stirring blades 403 are fixedly connected to the circumferential surface of the stirring shaft 402; the first motor 401 is fixedly connected to the upper end of the storage tank 3, and the output end of the first motor 401 is fixedly connected to the stirring shaft 402.

[0049] When in use, open the sealing cover 5 to add liquid medicine into the storage tank 3, and turn on the first motor 401 to drive the stirring shaft 402 to rotate, and then drive the stirring blade 403 to rotate. As the stirring blade 403 rotates, the liquid medicine can be stirred, which is conducive to fully mixing the liquid medicine; then the mobile car 2 moves on the track 1, so that the device can be conveniently transferred to one of the production wells in the oil field production well group.

[0050] A first moving mechanism 7 is arranged on the right side of the upper end of the mobile trolley 2, a lifting mechanism 8 is arranged on the upper end of the first moving mechanism 7, a cross bar 9 is arranged at the front end of the lifting mechanism 8, a second mounting frame 16 is fixedly connected to the left side of the lower end of the cross bar 9, a first mounting frame 15 is fixedly connected to the right side of the lower end of the cross bar 9, a discharging assembly 11 is arranged inside the second mounting frame 16, and the discharging assembly 11 is used to add liquid medicine into the production well; a twisting mechanism 12 is arranged inside the first mounting frame 15, and the twisting mechanism 12 is used to twist the valve; an auxiliary assembly 10 is arranged on the upper end of the cross bar 9, and the auxiliary assembly 10 is used to provide assistance to the discharging assembly 11 and the twisting mechanism 12.

[0051] Specifically, the first moving mechanism 7 includes a support plate 701, a second motor 702, a first screw rod 703, a moving seat 704 and a guide rod 705. The upper end of the moving trolley 2 is fixedly connected with the support plate 701 and the second motor 702. There are two support plates 701. The first screw rod 703 is rotatably connected inside the support plate 701. The circumferential surface of the first screw rod 703 is threadedly connected to the moving seat 704; a guide rod 705 is fixedly connected between the two support plates 701, and the guide rod 705 is slidably connected to the moving seat 704. The output end of the second motor 702 is fixedly connected to the first screw rod 703; the lifting mechanism 8 includes a support column 801, a third motor 802, a second screw rod 803 and a moving arm 804. The moving seat 70 4 is fixedly connected to the upper end of the support column 801, and the second screw rod 803 is rotatably connected inside the support column 801. The circumferential surface of the second screw rod 803 is threadedly connected to the moving arm 804, and the moving arm 804 is slidably connected to the support column 801. The front end of the moving arm 804 is fixedly connected to the cross bar 9; the upper end of the support column 801 is fixedly connected to the third motor 802, and the output end of the third motor 802 is fixedly connected to the second screw rod 803; the discharging assembly 11 includes a connector 1101, a first pipe 1102, a moving pipe 1103, a second pipe 1104 and a sealing member 1105, the first pipe 1102 and the second pipe 1104 are fixedly connected inside the second mounting frame 16, and the upper end of the first pipe 1102 is fixedly connected to the connecting member 1103. The head 1101, the rear end of the connecting head 1101 passes through the second mounting frame 16, the circumferential surfaces of the first pipe 1102 and the second pipe 1104 are both slidably connected with the moving pipe 1103, the second pipe 1104 is provided with a sealing member 1105 inside, the sealing member 1105 is composed of a fixing frame 11051, a connecting rod 11052, a guide frame 11053, a sealing ring 11054 and a sealing ball 11055, the inside of the moving pipe 1103 is fixedly connected with the fixing frame 11051, the lower end of the fixing frame 11051 is fixedly connected with the connecting rod 11052, and the lower end of the connecting rod 11052 is fixedly connected with the sealing ball 11055; the inside of the second pipe 1104 is fixedly connected with the guide frame 11053 and the sealing ring 11054, The guide frame 11053 is slidably connected with the connecting rod 11052, and the sealing ring 11054 cooperates with the sealing ball 11055; the twisting mechanism 12 includes a fourth motor 1201, a transmission shaft 1202, a transmission cylinder 1203, a transmission block 1204, a rotating shaft 1205, a first spring 1206, a moving rod 1207, a second spring 1208 and a twisting block 1209, the first mounting frame 15 is internally rotatably connected with the transmission shaft 1202 and the rotating shaft 1205, the lower end of the transmission shaft 1202 is in the shape of a hexagonal prism, and the transmission cylinder 1203 is externally slidably connected with the transmission shaft 1202; the fourth motor 1201 is fixedly connected to the inside of the right end of the cross bar 9, and the output end of the fourth motor 1201 is fixedly connected to the transmission shaft 1202;The upper end of the rotating shaft 1205 is internally connected with a transmission block 1204 in a sliding manner, and the end face of the transmission block 1204 is hexagonal in shape, and the transmission block 1204 cooperates with the transmission cylinder 1203; the upper end of the rotating shaft 1205 is internally fixedly connected with a first spring 1206, and the upper end of the first spring 1206 is fixedly connected to the transmission block 1204; the lower end of the rotating shaft 1205 is internally connected with a moving rod 1207 in a sliding manner, and the end face of the moving rod 1207 is hexagonal in shape, and the lower end of the moving rod 1207 is fixedly connected with a twisting block 1209; the lower end of the rotating shaft 1205 is internally fixed A second spring 1208 is connected, and the second spring 1208 is fixedly connected to the moving rod 1207; the auxiliary component 10 includes an electric telescopic rod 1001 and a moving plate 1002, the upper end of the cross bar 9 is fixedly connected to the electric telescopic rod 1001, the extended end of the electric telescopic rod 1001 passes through the lower end of the cross bar 9 and is slidably connected to the cross bar 9, the extended end of the electric telescopic rod 1001 is fixedly connected to the moving plate 1002, the left end of the moving plate 1002 is fixedly connected to the moving tube 1103, and the right end of the moving plate 1002 is rotatably connected to the transmission cylinder 1203.;

[0052] When in use, the third motor 802 rotates forward, and at this time, with the cooperation of the second screw rod 803, the moving arm 804 can be driven to move upward inside the support column 801. As the moving arm 804 rises, with the cooperation of the cross bar 9, the first mounting frame 15 and the second mounting frame 16 can be driven to rise, thereby driving the discharging assembly 11 and the twisting mechanism 12 to rise, so that the lower end of the second pipe 1104 of the discharging assembly 11 and the lower end of the twisting block 1209 of the twisting mechanism 12 exceed the upper end of the production well dosing pipe. Then the second motor 702 rotates forward, and at this time, with the cooperation of the first screw rod 703, the moving seat 704 can be driven to slide forward on the guide rod 705, thereby driving the second pipe 1104 and the twisting block 1209 to move forward, so that the second pipe 1104 is located at the upper end of the dosing pipe, and the twisting block 1209 is located at the upper end of the valve handle. Then the third motor 802 reverses and drives the moving arm 80 4 moves downward, so that the second pipe 1104 is inserted into the inside of the dosing pipe, and the twisting block 1209 is also located at the upper end of the valve handle. When the twisting block 1209 is not inserted into the inside of the valve handle, the moving rod 1207 will be squeezed to slide inside the rotating shaft 1205, thereby compressing the second spring 1208, and the compressed second spring 1208 is conducive to the reset of the moving rod 1207; after the second pipe 1104 is inserted into the inside of the dosing pipe, the electric telescopic rod 1001 is extended to drive the moving plate 1002 to move downward. When the moving plate 1002 moves downward, the sealing ball 11055 can be driven to move downward under the cooperation of the moving pipe 1103, the fixing frame 11051 and the connecting rod 11052, so that the sealing ball 11055 is separated from the sealing ring 11054, so that it is convenient for the liquid medicine to enter the inside of the second pipe 1104, and then enter the inside of the dosing pipe along the second pipe 1104;At the same time, the downward movement of the moving plate 1002 also drives the transmission cylinder 1203 to move downward. When the transmission cylinder 1203 moves downward, when the transmission block 1204 does not correspond to the through hole of the transmission cylinder 1203, the transmission block 1204 will be squeezed to move toward the inside of the rotating shaft 1205, thereby compressing the first spring 1206, and the compressed first spring 1206 is conducive to the reset of the transmission block 1204. When the electric telescopic rod 1001 is extended to a certain position, the electric telescopic rod 1001 stops working. Then the fourth motor 1201 works, driving the transmission shaft 1202 to rotate, and then driving the transmission cylinder 1203 to rotate. When the through hole of the transmission cylinder 1203 corresponds to the transmission block 1204, the transmission block 1204 can be inserted into the transmission cylinder 1203 under the action of compressing the first spring 1206. In this way, the rotation of the transmission cylinder 1203 can drive the rotation of the shaft 1205 under the cooperation of the transmission block 1204, and then drive the twisting block 1209 to rotate. When the second spring 1208 is compressed, the screw block 1209 is inserted into the valve handle. The screw block 1209 is rotated to open or close the valve. After the valve is opened, the liquid medicine can enter the dosing pipe through the discharge assembly 11 and finally enter the production well. This achieves the purpose of dosing medicine into the oil well. When the electric telescopic rod 1001 is retracted, the moving plate 1002 is driven to move upward, and then the moving pipe 1103 is driven to move upward. At this time, the sealing ball 11055 is closely attached to the sealing ring 11054, thereby achieving the purpose of sealing and preventing the liquid medicine from flowing out of the second pipe 1104. At the same time, the upward movement of the moving plate 1002 also causes the transmission cylinder 1203 to separate from the transmission block 1204. In this way, when the fourth motor 1201 is accidentally started, the screw block 1209 will not be driven to rotate, thereby reducing the damage to the equipment caused by the screw block 1209.

[0053] A conveying mechanism 6 is provided on the left side of the upper end of the mobile trolley 2 , the liquid inlet end of the conveying mechanism 6 is connected to the storage tank 3 , and the liquid outlet end of the conveying mechanism 6 is connected to the discharging assembly 11 .

[0054] Specifically, the conveying mechanism 6 includes a conveying pump 601, a connecting pipe 602 and a liquid inlet pipe 603. The upper end of the mobile cart 2 is fixedly connected to the conveying pump 601, and the liquid inlet end of the conveying pump 601 is fixedly connected to the liquid inlet pipe 603. The end of the liquid inlet pipe 603 away from the conveying pump 601 extends into the storage tank 3, and the liquid inlet pipe 603 is fixedly connected to the storage tank 3; the liquid outlet end of the conveying pump 601 is fixedly connected to the connecting pipe 602, and the connecting pipe 602 is a hose. The end of the connecting pipe 602 away from the conveying pump 601 is fixedly connected to the connector 1101.

[0055] When in use, the delivery pump 601 works, and with the cooperation of the liquid inlet pipe 603, the liquid medicine inside the storage tank 3 can enter the connecting pipe 602, then enter the discharge assembly 11 along the connecting pipe 602, and finally flow out from the discharge assembly 11, so that it is convenient to add liquid medicine into the upper oil well.

[0056] A second moving mechanism 14 is disposed at the upper end of the moving trolley 2 . The second moving mechanism 14 is provided with two groups and is symmetrically distributed on both sides of the first moving mechanism 7 . A protection component 13 is disposed at the upper end of the second moving mechanism 14 .

[0057] Specifically, the second moving mechanism 14 includes a slide rail 1401, a slider 1402, a mobile platform 1403, a first rack 1404, a first gear 1405, a bearing seat 1406, a connecting shaft 1407, a second gear 1408 and a second rack 1409. The upper end of the mobile trolley 2 is fixedly connected to the slide rail 1401 and the bearing seat 1406, the slide rail 1401 is slidably connected to the slider 1402, the upper end of the slider 1402 is fixedly connected to the mobile platform 1403, and the lower end of the mobile platform 1403 is fixedly connected to the The first rack 1404 is fixedly connected to both sides of the movable seat 704; the bearing seat 1406 is internally rotatably connected to a connecting shaft 1407, one end of the connecting shaft 1407 is fixedly connected to a first gear 1405, the first gear 1405 is meshed with the first rack 1404, and the other end of the connecting shaft 1407 is fixedly connected to a second gear 1408, the second gear 1408 is meshed with the second rack 1409; the protection component 13 includes a square tube 1301, a sliding rod 1302, and a pressing rod 1303, transmission rod 1304, fixed protective cover 1305, movable protective cover 1306, limiting groove 1307, limiting block 1308 and third spring 1309, the rear side of the upper end of the movable platform 1403 is fixedly connected with a square tube 1301, the inner part of the square tube 1301 is slidably connected with a sliding rod 1302, both sides of the sliding rod 1302 are rotatably connected with the transmission rod 1304, and the end of the transmission rod 1304 away from the sliding rod 1302 is rotatably connected with the movable protective cover 1306; the movable platform 1403 A fixed protective cover 1305 is fixedly connected to the front side of the upper end, and limiting grooves 1307 are fixedly connected on both sides of the fixed protective cover 1305. A limiting block 1308 is slidably connected inside the limiting groove 1307, and the limiting block 1308 is fixedly connected to the movable protective cover 1306; a third spring 1309 is fixedly connected inside the square tube 1301, and the third spring 1309 is fixedly connected to the sliding rod 1302; a downward pressing rod 1303 is fixedly connected to the side end of the movable arm 804, and the downward pressing rod 1303 cooperates with the sliding rod 1302.

[0058] When in use, when the dosing operation is not being performed, the second motor 702 reverses, and the movable seat 704 can be driven to move backward. As the movable seat 704 moves, the first rack 1404, the first gear 1405, the bearing seat 1406, the connecting shaft 1407, the second gear 1408 and the second rack 1409 cooperate to drive the movable platform 1403 to move, and then the movable platform 1403 is moved forward smoothly with the cooperation of the slider 1402 and the slide rail 1401. When the movable seat 704 contacts the support plate 701 at the rear end, the movable platform 1403 moves to the corresponding front end position, so that the first mounting bracket 15 and the second mounting bracket 16 are respectively located at the upper end of the fixed protective cover 1305, and then the movable arm 804 descends, driving the lower pressure rod 1303 to move downward. After 303 contacts with the sliding rod 1302, it will squeeze the sliding rod 1302 to move inside the square tube 1301, and then compress the third spring 1309. The compressed third spring 1309 is conducive to the resetting of the sliding rod 1302. As the sliding rod 1302 moves downward, the mobile protective cover 1306 can be driven to move toward the fixed protective cover 1305 with the cooperation of the transmission rod 1304. At the same time, the movement of the mobile protective cover 1306 is coordinated with the limit groove 1307 and the limit block 1308, so that the mobile protective cover 1306 moves stably. When the mobile protective cover 1306 is combined with the fixed protective cover 1305, the discharging end of the discharging component 11 and the twisting end of the twisting mechanism 12 can be protected, thereby extending the service life of the discharging component 11 and the twisting mechanism 12. When the movable seat 704 moves forward, the movable platform 1403 will move backward, thereby driving the protection component 13 to move backward as well, so that the protection component 13 will not block the downward movement of the cross bar 9, thereby facilitating the subsequent drug adding operation.

[0059] A dosing method for a dosing device for an oil field production well group, characterized in that: using the dosing device for an oil field production well group shown above, specifically comprising the following steps:

[0060] S1: laying track 1 at the corresponding position of the oil well group in the oil field;

[0061] S2: The mobile trolley 2 works to drive the entire equipment to move. When the equipment reaches the production well, the mobile trolley 2 stops moving;

[0062] S3: The lifting mechanism 8 is lifted up, so that the discharging assembly 11 and the twisting assembly are separated from the protection assembly 13.

[0063] S4: When the lifting mechanism 8 rises to the top, the first moving mechanism 7 drives the discharge assembly 11 and the twisting mechanism 12 to move forward, so that the discharge assembly 11 is located at the upper end of the production well dosing pipe, and the twisting mechanism 12 is located at the upper end of the valve; after the discharge assembly 11 and the twisting assembly reach the specified position, the lifting mechanism 8 descends, so that the discharge end of the discharge assembly 11 is inserted into the inside of the dosing pipe, and the twisting end of the twisting mechanism 12 is also located inside the handle of the valve;

[0064] S5: The twisting mechanism 12 works to open the valve. After the valve is opened, the conveying mechanism 6 works to convey the liquid medicine in the storage tank 3 to the inside of the discharge assembly 11, and enters into the dosing pipe along the discharge assembly 11, thereby achieving the purpose of adding medicine to the inside of the production well.

[0065] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

Claims

1. A dosing device for an oil well group in an oil field, characterized in that: The invention comprises a track (1) and a mobile trolley (2), wherein the track (1) is installed at a corresponding position of an oil field production well group, the mobile trolley (2) is arranged on the track (1), a storage tank (3) is fixedly connected to the left side of the upper end of the mobile trolley (2), the upper end of the storage tank (3) is threadedly connected to a sealing cover (5), a stirring mechanism (4) is arranged inside the storage tank (3), the stirring mechanism (4) comprises a first motor (401), a stirring shaft (402) and a stirring blade (403), the storage tank (3) is rotatably connected to the stirring shaft (402), and the circumferential surface of the stirring shaft (402) is fixedly connected to the stirring blade (403); the upper end of the storage tank (3) is fixedly connected to the first motor (401), and the output end of the first motor (401) is fixedly connected to the stirring shaft (402); A first moving mechanism (7) is arranged on the right side of the upper end of the moving trolley (2); a lifting mechanism (8) is arranged on the upper end of the first moving mechanism (7); a cross bar (9) is arranged at the front end of the lifting mechanism (8); a second mounting frame (16) is fixedly connected to the left side of the lower end of the cross bar (9); a first mounting frame (15) is fixedly connected to the right side of the lower end of the cross bar (9); a discharge assembly (11) is arranged inside the second mounting frame (16); the discharge assembly (11) is used to inject liquid medicine into the production well; a screwing mechanism (12) is arranged inside the first mounting frame (15); the screwing mechanism (12) is used to screw a valve; an auxiliary assembly (10) is arranged on the upper end of the cross bar (9); the auxiliary assembly (10) is used to provide assistance to the discharge assembly (11) and the screwing mechanism (12); A conveying mechanism (6) is provided on the left side of the upper end of the mobile trolley (2), the liquid inlet end of the conveying mechanism (6) is connected to the storage tank (3), and the liquid outlet end of the conveying mechanism (6) is connected to the discharge assembly (11); A second moving mechanism (14) is arranged at the upper end of the moving trolley (2); the second moving mechanism (14) comprises two groups and is symmetrically distributed on both sides of the first moving mechanism (7); and a protection component (13) is arranged at the upper end of the second moving mechanism (14).

2. A dosing device for an oil field production well group according to claim 1, characterized in that: The first moving mechanism (7) comprises a support plate (701), a second motor (702), a first screw rod (703), a moving seat (704) and a guide rod (705); the upper end of the moving trolley (2) is fixedly connected to the support plate (701) and the second motor (702); two support plates (701) are provided; the support plate (701) is internally rotatably connected to the first screw rod (703); the circumferential surface of the first screw rod (703) is threadedly connected to the moving seat (704); a guide rod (705) is fixedly connected between the two support plates (701); the guide rod (705) is slidably connected to the moving seat (704); and the output end of the second motor (702) is fixedly connected to the first screw rod (703).

3. A dosing device for an oil field production well group according to claim 2, characterized in that: The lifting mechanism (8) comprises a support column (801), a third motor (802), a second screw rod (803) and a moving arm (804); the upper end of the moving seat (704) is fixedly connected to the support column (801); the second screw rod (803) is rotatably connected inside the support column (801); the circumferential surface of the second screw rod (803) is threadedly connected to the moving arm (804); the moving arm (804) is slidably connected to the support column (801); the front end of the moving arm (804) is fixedly connected to the cross bar (9); the upper end of the support column (801) is fixedly connected to the third motor (802); the output end of the third motor (802) is fixedly connected to the second screw rod (803).

4. A dosing device for an oil field production well group according to claim 1, characterized in that: The discharge assembly (11) comprises a connector (1101), a first pipe (1102), a movable pipe (1103), a second pipe (1104) and a sealing member (1105); the first pipe (1102) and the second pipe (1104) are fixedly connected inside the second mounting frame (16); the upper end of the first pipe (1102) is fixedly connected to the connector (1101); the rear end of the connector (1101) passes through the second mounting frame (16); the circumferential surfaces of the first pipe (1102) and the second pipe (1104) are both slidably connected to the movable pipe (1103); the second pipe (1104) is provided with a sealing member (1105); the sealing member (1105) is fixedly connected to the first pipe (1102) and the second pipe (1104); The movable tube (1103) is composed of a fixed frame (11051), a connecting rod (11052), a guide frame (11053), a sealing ring (11054) and a sealing ball (11055); the movable tube (1103) is fixedly connected to the fixed frame (11051) inside, the lower end of the fixed frame (11051) is fixedly connected to the connecting rod (11052), and the lower end of the connecting rod (11052) is fixedly connected to the sealing ball (11055); the second pipe (1104) is fixedly connected to the guide frame (11053) and the sealing ring (11054); the guide frame (11053) and the connecting rod (11052) are slidably connected, and the sealing ring (11054) cooperates with the sealing ball (11055).

5. A dosing device for an oil field production well group according to claim 4, characterized in that: The twisting mechanism (12) comprises a fourth motor (1201), a transmission shaft (1202), a transmission cylinder (1203), a transmission block (1204), a rotating shaft (1205), a first spring (1206), a moving rod (1207), a second spring (1208) and a twisting block (1209); the first mounting frame (15) is internally rotatably connected to the transmission shaft (1202) and the rotating shaft (1205); the lower end of the transmission shaft (1202) is in the shape of a hexagonal prism; the transmission cylinder (1203) is externally slidably connected to the transmission shaft (1202); the fourth motor (1201) is internally fixedly connected to the right end of the cross bar (9); the output end of the fourth motor (1201) is fixedly connected to the transmission shaft (1202); the upper end of the rotating shaft (1205) is A transmission block (1204) is slidably connected to the end, the end surface of the transmission block (1204) is hexagonal, and the transmission block (1204) cooperates with the transmission cylinder (1203); a first spring (1206) is fixedly connected to the upper end of the rotating shaft (1205), and the upper end of the first spring (1206) is fixedly connected to the transmission block (1204); a moving rod (1207) is slidably connected to the lower end of the rotating shaft (1205), the end surface of the moving rod (1207) is hexagonal, and the lower end of the moving rod (1207) is fixedly connected to a twisting block (1209); a second spring (1208) is fixedly connected to the lower end of the rotating shaft (1205), and the second spring (1208) is fixedly connected to the moving rod (1207).

6. A dosing device for an oil field production well group according to claim 5, characterized in that: The auxiliary component (10) comprises an electric telescopic rod (1001) and a movable plate (1002); the upper end of the cross bar (9) is fixedly connected to the electric telescopic rod (1001); the extended end of the electric telescopic rod (1001) passes through the lower end of the cross bar (9) and is slidably connected to the cross bar (9); the extended end of the electric telescopic rod (1001) is fixedly connected to the movable plate (1002); the left end of the movable plate (1002) is fixedly connected to the movable tube (1103); and the right end of the movable plate (1002) is rotatably connected to the transmission cylinder (1203).

7. A dosing device for an oil field production well group according to claim 4, characterized in that: The conveying mechanism (6) comprises a conveying pump (601), a connecting pipe (602) and a liquid inlet pipe (603); the upper end of the mobile trolley (2) is fixedly connected to the conveying pump (601); the liquid inlet end of the conveying pump (601) is fixedly connected to the liquid inlet pipe (603); one end of the liquid inlet pipe (603) away from the conveying pump (601) extends into the storage tank (3); the liquid inlet pipe (603) and the storage tank (3) are fixedly connected; the liquid outlet end of the conveying pump (601) is fixedly connected to the connecting pipe (602); the connecting pipe (602) is a hose; one end of the connecting pipe (602) away from the conveying pump (601) is fixedly connected to a connector (1101).

8. The dosing device for oil field production well group according to claim 3, characterized in that: The second moving mechanism (14) comprises a slide rail (1401), a slider (1402), a moving platform (1403), a first rack (1404), a first gear (1405), a bearing seat (1406), a connecting shaft (1407), a second gear (1408) and a second rack (1409); the upper end of the moving trolley (2) is fixedly connected to the slide rail (1401) and the bearing seat (1406); the slide rail (1401) is slidably connected to the slider (1402); the upper end of the slider (1402) is fixedly connected to the moving platform (1403); The lower end of the mobile platform (1403) is fixedly connected to a second rack (1409); both sides of the mobile seat (704) are fixedly connected to the first rack (1404); the bearing seat (1406) is internally rotatably connected to a connecting shaft (1407), one end of the connecting shaft (1407) is fixedly connected to a first gear (1405), the first gear (1405) is meshed with the first rack (1404), and the other end of the connecting shaft (1407) is fixedly connected to a second gear (1408), the second gear (1408) is meshed with the second rack (1409).

9. A dosing device for an oil field production well group according to claim 8, characterized in that: The protection assembly (13) comprises a square tube (1301), a sliding rod (1302), a pressing rod (1303), a transmission rod (1304), a fixed protection cover (1305), a movable protection cover (1306), a limiting groove (1307), a limiting block (1308) and a third spring (1309); the square tube (1301) is fixedly connected to the rear side of the upper end of the movable platform (1403); the sliding rod (1302) is slidably connected inside the square tube (1301); both sides of the sliding rod (1302) are rotatably connected to the transmission rod (1304); and one end of the transmission rod (1304) away from the sliding rod (1302) is connected to the movable protection cover (1306). Rotationally connected; a fixed protective cover (1305) is fixedly connected to the front side of the upper end of the mobile platform (1403); both sides of the fixed protective cover (1305) are fixedly connected to limit slots (1307); a limit block (1308) is slidably connected inside the limit slot (1307); the limit block (1308) is fixedly connected to the mobile protective cover (1306); a third spring (1309) is fixedly connected inside the square tube (1301); the third spring (1309) is fixedly connected to the sliding rod (1302); a downward pressing rod (1303) is fixedly connected to the side end of the mobile arm (804); the downward pressing rod (1303) cooperates with the sliding rod (1302).

10. A dosing method for a dosing device for an oil field production well group, characterized in that: The use of the dosing device for an oil field production well group according to any one of claims 1 to 9 specifically comprises the following steps: S1: Laying the track (1) at the corresponding position of the oil well group in the oil field; S2: The moving trolley (2) starts to work, driving the entire equipment to move. When the equipment reaches the production well, the moving trolley (2) stops moving; S3: The lifting mechanism (8) performs an ascending operation, so that the discharging assembly (11) and the twisting assembly are separated from the protection assembly (13) S4: When the lifting mechanism (8) rises to the top, the first moving mechanism (7) operates to drive the discharge assembly (11) and the twisting mechanism (12) to move forward, so that the discharge assembly (11) is located at the upper end of the dosing pipe of the production well, and the twisting mechanism (12) is located at the upper end of the valve; after the discharge assembly (11) and the twisting assembly reach the specified position, the lifting mechanism (8) descends, so that the discharge end of the discharge assembly (11) is inserted into the inside of the dosing pipe, and the twisting end of the twisting mechanism (12) is also located inside the handle of the valve; S5: The twisting mechanism (12) operates to open the valve. After the valve is opened, the conveying mechanism (6) operates to convey the drug liquid in the storage tank (3) to the inside of the discharge assembly (11), and enters the inside of the drug adding pipe along the discharge assembly (11), thereby achieving the purpose of adding drugs to the inside of the production well.

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