Casing pipe screw thread cleaning device for oil and gas well

Abstract

The utility model relates to an oil and gas well casing screw thread cleaning device, relates to the technical field of oil casing cleaning equipment, and aims to solve the problem that a manual cleaning mode cannot meet the cleaning requirement of large-batch casing screw threads. Comprising a mobile vehicle body capable of moving on the ground; one end of the industrial manipulator is rotationally connected with the movable vehicle body, and the other end of the industrial manipulator is a clamping end; the functional joint is clamped at the other end of the industrial manipulator; wherein the movable vehicle body is matched with the industrial manipulator, at least one functional connector can be moved to the casing pipe screw thread, and the casing pipe screw thread is cleaned and greased. According to the utility model, the movable vehicle body moves on the ground, and meanwhile, the industrial manipulator is utilized, so that a functional joint held on the industrial manipulator can be accurately and quickly moved to a sleeve screw thread for cleaning and greasing. Therefore, the cleaning and greasing efficiency of the on-site sleeve screw thread is improved. And the requirement for cleaning large-batch casing pipe screw threads is further met.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil casing cleaning equipment technical field, in particular to a kind of oil and gas well casing thread cleaning device. BACKGROUND

[0002] Casing thread includes female thread and male thread connected to casing end, in order to better protect the thread on female thread and male thread, so that the sealing property when female thread and male thread are screwed when casing is connected is better.Field cleaning is needed for female thread and male thread, including cleaning and greasing.

[0003] In prior art, casing thread is often cleaned manually by artificial, when facing large quantities of stacked together casing, the cleaning efficiency of this cleaning method is low, and the cleaning effect is unstable, which cannot meet the cleaning requirement of large quantities of casing thread.

[0004] That is, the artificial cleaning method in prior art cannot meet the cleaning requirement of large quantities of casing thread. UTILITY MODEL CONTENT

[0005] The utility model provides a kind of oil and gas well casing thread cleaning device, for solving the problem that artificial cleaning method cannot meet the cleaning requirement of large quantities of casing thread.

[0006] The utility model provides a kind of oil and gas well casing thread cleaning device, casing thread includes male thread and female thread, and the oil and gas well casing thread cleaning device includes: first functional joint, for cleaning male thread;And second functional joint, for cleaning female thread;And third functional joint, for greasing female thread.

[0007] In an embodiment, the first functional joint includes: cleaning device shield, which is provided with a sewage outlet at the bottom;And spraying device, which is arranged in the cleaning device shield;Wherein, male thread is inserted into the cleaning device shield, and the spraying device can spray and clean it, and the sewage outlet is used to discharge sewage for spraying and cleaning male thread.

[0008] In an embodiment, the spraying device includes: a plurality of upper spraying pipes, which are arranged at intervals along a first direction, and are provided with nozzle openings;And a plurality of lower spraying pipes, which are arranged at intervals along the first direction, and are provided with nozzle openings, and are located below the plurality of upper spraying pipes;Water inlet pipe, which is connected with one end of the plurality of upper spraying pipes and the plurality of lower spraying pipes, for supplying water to the plurality of upper spraying pipes and the plurality of lower spraying pipes;Wherein, the other end of the plurality of upper spraying pipes and the plurality of lower spraying pipes is blocked, and the water inlet pipe is provided with a water inlet.

[0009] In one embodiment, the cleaning device cover comprises a lower tank body provided with a drain at the bottom, an upper cover arranged on the lower tank body, and rubber side plates arranged on both sides of the lower tank body and between the lower tank body and the upper cover.

[0010] In one embodiment, the second functional joint comprises a first partition plate detachably connected to the other end of the industrial manipulator, and a cleaning gun fixed on the first partition plate for cleaning the female buckle.

[0011] In one embodiment, the cleaning gun comprises a first gun body, a first hollow motor arranged at the gun head end of the first gun body, a first cleaning pipe arranged in the first hollow motor and the first gun body, a first cleaning brush arranged on the outer periphery of the end of the first cleaning pipe out of the first hollow motor, and a first nozzle arranged on the first cleaning pipe and in communication with the inside of the first cleaning pipe. The fixed end of the first hollow motor is fixed on the first partition plate, the other end of the first cleaning pipe is provided with a water supply socket, and the first gun body is provided with a first trigger switch electrically connected to the first hollow motor for controlling the start and stop of the first hollow motor.

[0012] In one embodiment, the first cleaning brush is spirally wound on the first cleaning pipe along the central axis of the first cleaning pipe.

[0013] In one embodiment, the bottom of the first partition plate is provided with a baffle, the baffle is provided with an arc-shaped groove, and the groove bottom of the arc-shaped groove is provided with a liquid discharge port.

[0014] In one embodiment, the third functional joint comprises a second partition plate detachably connected to the other end of the industrial manipulator, and a grease gun fixed on the second partition plate for greasing the female buckle.

[0015] In one embodiment, the grease gun comprises a second gun body, a second hollow motor arranged at the gun head end of the second gun body, a second cleaning pipe arranged in the second hollow motor and the second gun body, a second cleaning brush arranged on the outer periphery of the end of the second cleaning pipe out of the second hollow motor, and a second nozzle arranged on the second cleaning pipe and in communication with the inside of the second cleaning pipe. The fixed end of the second hollow motor is fixed on the second partition plate, the other end of the second cleaning pipe is provided with an oil supply socket, and the second gun body is provided with a second trigger switch electrically connected to the second hollow motor for controlling the start and stop of the second hollow motor.

[0016] Compared with the prior art, the utility model discloses the advantage lies in, through selecting one of three kinds of functional joints and clamping on industrial manipulator, the female buckle is washed or is greased, and the male buckle is washed. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be described in more detail below based on the embodiments and with reference to the drawings.

[0018] Figure 1 It is the structural component schematic diagram of the first functional joint in the embodiment of the utility model;

[0019] Figure 2 It is the three -dimensional structure schematic diagram of the first functional joint in the embodiment of the utility model

[0020] Figure 3 It is the structural component schematic diagram of the second functional joint in the embodiment of the utility model;

[0021] Figure 4 It is the three -dimensional structure schematic diagram of the second functional joint in the embodiment of the utility model;

[0022] Figure 5 It is the structural component schematic diagram of the third functional joint in the embodiment of the utility model;

[0023] Figure 6 It is the three -dimensional structure schematic diagram of the third functional joint in the embodiment of the utility model.

[0024] Reference Signs:

[0025] 31, first functional joint; 311, cleaning device shield; 3111, blowdown port; 3112, lower tank body; 3113, upper shield; 3114, rubber side plate; 312, spraying device; 3121, upper spraying pipe; 3122, lower spraying pipe; 3123, water inlet pipe; 32, second functional joint; 321, first partition; 322, cleaning gun; 3221, first gun body; 3222, first hollow motor; 3223, first cleaning pipe; 3224, first cleaning brush; 3225, first nozzle; 323, baffle; 33, third functional joint; 331, second partition; 332, grease gun; 3321, second gun body; 3322, second hollow motor; 3323, second cleaning pipe; 3324, second cleaning brush; 3325, second nozzle. DETAILED DESCRIPTION

[0026] The utility model will be further described below with reference to the drawings.

[0027] As Figure 1 and Figure 2 The utility model provides a kind of oil and gas well casing thread cleaning device, casing thread includes male buckle and female buckle, and oil and gas well casing thread cleaning device includes first functional joint 31, second functional joint 32 and third functional joint 33.Therein, first functional joint 31 is used to wash male buckle;Second functional joint 32, it is used to wash female buckle;Third functional joint 33, it is used to grease female buckle;Industrial manipulator clamps first functional joint or second functional joint or third functional joint, washes or greases female buckle, or washes male buckle.

[0028] In the above setting, by selecting one of three kinds of functional joints clamped on industrial manipulator, wash or grease female buckle, wash male buckle.It can be according to the actual situation of on-site casing thread, select appropriate functional joint or the combination of multiple functional joints to clean, thereby improve the on-site cleaning efficiency of on-site casing thread, save time and cost.Meanwhile, it can meet the cleaning requirement of large quantities of casing thread.

[0029] It should be noted that in alternative embodiments not shown in the drawings of the present application, one end of the industrial manipulator can clamp three kinds of functional joints at the same time, and then according to the actual situation, rotate a specific functional joint to process the corresponding buckle type.

[0030] Specifically, as Figure 1 and Figure 2 In one embodiment, first functional joint 31 includes cleaning device shield 311, spraying device 312.Therein, the bottom of cleaning device shield 311 is provided with blowdown 3111;Spraying device 312 is arranged in cleaning device shield 311;Male buckle is inserted into cleaning device shield 311, and spraying device 312 can spray and wash it, and blowdown 3111 is used to discharge sewage of spraying and washing male buckle.

[0031] Specifically, as Figure 1 and Figure 2As shown in the drawings, in one embodiment, the spraying device 312 comprises a plurality of upper spraying pipes 3121 and a plurality of lower spraying pipes 3122. The plurality of upper spraying pipes 3121 are arranged in the first direction and are provided with nozzle openings. The plurality of lower spraying pipes 3122 are arranged in the first direction and are provided with nozzle openings and are located below the plurality of upper spraying pipes 3121. The water inlet pipe 3123 is connected to one end of the plurality of upper spraying pipes 3121 and the plurality of lower spraying pipes 3122 for supplying water to the plurality of upper spraying pipes 3121 and the plurality of lower spraying pipes 3122. The other end of the plurality of upper spraying pipes 3121 and the plurality of lower spraying pipes 3122 is sealed, and the water inlet pipe 3123 is provided with a water inlet.

[0032] In the above arrangement, water is sprayed through the lower spraying pipes 3122 and the upper spraying pipes 3121 at the same time to achieve cleaning of the male buckle. This kind of up-and-down flushing cleaning method can improve the cleaning efficiency of the male buckle to meet the cleanliness requirements of the male buckle.

[0033] Specifically, as shown in the drawings, Figure 1 and Figure 2 In one embodiment, the spraying device 312 comprises three upper spraying pipes 3121 and a plurality of lower spraying pipes 3122. The three upper spraying pipes 3121 are arranged in the first direction and are provided with a plurality of nozzle openings. The three lower spraying pipes 3122 are arranged in the first direction and are provided with a plurality of nozzle openings and are located below the three upper spraying pipes 3121. The water inlet pipe 3123 is connected to one end of the three upper spraying pipes 3121 and the three lower spraying pipes 3122 for supplying water to the three upper spraying pipes 3121 and the three lower spraying pipes 3122. The other end of the three upper spraying pipes 3121 and the three lower spraying pipes 3122 is sealed, and the water inlet pipe 3123 is provided with a water inlet.

[0034] It should be noted that the water inlet pipe 3123 is of U-shaped structure and is provided with a water inlet in the middle.

[0035] Specifically, as shown in the drawings, Figure 1 and Figure 2 In one embodiment, the cleaning device cover 311 comprises a lower trough body 3112, an upper cover 3113 and rubber side plates 3114. The lower trough body 3112 is provided with a sewage outlet 3111 at the bottom, and the rubber side plates 3114 are arranged on both sides of the lower trough body 3112 and are located between the lower trough body 3112 and the upper cover 3113. The rubber side plates 3114 are used to prevent liquid from splashing.

[0036] Specifically, in one embodiment, the opening of the cleaning device cover 311 that extends into the male buckle is provided with a nylon brush curtain for preventing liquid from splashing.

[0037] Specifically, as shown in the drawings,Figure 3 and Figure 4 As shown in

[0038] Specifically, as shown in Figure 3 and Figure 4 As shown in an embodiment, the second functional joint 32 comprises a first partition plate 321 and a cleaning gun 322. The first partition plate 321 is detachably connected to the other end of the industrial robot arm; the cleaning gun 322 is fixed on the first partition plate 321 and used for cleaning the female buckle.

[0039] Specifically, as shown in and

[0040] As shown in an embodiment, the cleaning gun 322 comprises a first gun body 3221, a first hollow motor 3222, a first cleaning pipe 3223, a first cleaning brush 3224 and a first nozzle 3225. The first hollow motor 3222 is arranged at the gun head end of the first gun body 3221; the first cleaning pipe 3223 is arranged in the first hollow motor 3222 and the first gun body 3221, and the driving end of the first cleaning pipe 3223 can drive the first cleaning pipe 3223 to rotate; the first cleaning brush 3224 is arranged on the outer periphery of the end of the first cleaning pipe 3223 that penetrates out of the first hollow motor 3222; the first nozzle 3225 is arranged on the first cleaning pipe 3223 and communicates with the inside of the first cleaning pipe 3223; the fixed end of the first hollow motor 3222 is fixed on the first partition plate 321, the other end of the first cleaning pipe 3223 is provided with a water inlet, and the first gun body 3221 is provided with a first trigger switch which is electrically connected with the first hollow motor 3222 and used for controlling the start and stop of the first hollow motor 3222. Figure 3 Figure 4 In the above arrangement, the first cleaning brush 3224 is used for cleaning the inner cavity of the female buckle, and the first hollow motor 3222 is electrically connected with the first trigger switch and used for controlling the start and stop of the first hollow motor 3222. When the first trigger switch is pulled, the driving end of the first hollow motor 3222 rotates to drive the first cleaning pipe 3223 to rotate, and at the same time, the first cleaning brush 3224 rotates with the first cleaning pipe 3223 to realize the cleaning of the inner cavity of the female buckle. At the same time, the first cleaning pipe 3223 can continuously provide cleaning water for the first nozzle 3225 to ensure the cleaning effect of the cleaning gun 322.

[0041] Specifically, as shown in Figure 3 and Figure 4As shown in the drawings, in one embodiment, the bottom of the first partition plate 321 is provided with a baffle 323, and the baffle 323 is provided with an arc-shaped groove, and the groove bottom of the arc-shaped groove is provided with a drainage port. In this way, the cleaning water for cleaning the inner cavity of the female buckle can be collected in the arc-shaped groove and then discharged through the drainage port. Thus, the splashing of the cleaning water is prevented.

[0042] Specifically, as shown in the drawings, Figure 5 and Figure 6 As shown in the drawings, in one embodiment, the third functional joint 33 includes a second partition plate 331 and a grease gun 332. The second partition plate 331 is detachably connected to the other end of the industrial robot arm, and the grease gun 332 is fixed on the second partition plate 331 and used for greasing the female buckle. In this way, the greasing of the inner cavity of the female buckle is realized through the grease gun 332.

[0043] Specifically, as shown in the drawings, Figure 5 and Figure 6 As shown in the drawings, in one embodiment, the grease gun 332 includes a second gun body 3321, a second hollow motor 3322, a second cleaning pipe 3323, a second cleaning brush 3324, and a second nozzle 3325. The second hollow motor 3322 is arranged at the gun head end of the second gun body 3321; the second cleaning pipe 3323 is arranged in the second hollow motor 3322 and the second gun body 3321, and the driving end can drive the second cleaning pipe 3323 to rotate; the second cleaning brush 3324 is arranged on the outer periphery of the end of the second cleaning pipe 3323 that penetrates out of the second hollow motor 3322; the second nozzle 3325 is arranged on the second cleaning pipe 3323 and communicates with the inside of the second cleaning pipe 3323; the fixed end of the second hollow motor 3322 is fixed on the second partition plate 331, the other end of the second cleaning pipe 3323 is provided with an oil supply port, and the second gun body 3321 is provided with a second trigger switch which is electrically connected with the second hollow motor 3322 and used for controlling the start and stop of the second hollow motor 3322.

[0044] It should be noted that the structures of the grease gun 332 and the cleaning gun 322 are basically the same, and the working principles are also the same. The structural differences are as follows:

[0045] 1. The first cleaning pipe 3223 is used for inputting cleaning water, and the second cleaning pipe 3323 is used for inputting lubricating grease.

[0046] 2. The first cleaning brush 3224 is arranged in a spiral shape, and the second cleaning brush 3324 is arranged in a straight line.

[0047] 3. An indicating lamp can be additionally arranged on the grease gun 332 to show whether the grease gun 332 is in a working state.

[0048] It should be noted that the second hollow motor 3322 and the first hollow motor 3222 are both prior art, the rotor of the motor is a hollow structure, that is, a rotor sleeve, the cleaning pipe is arranged in the rotor sleeve, and the cleaning pipe is driven to rotate by the rotation of the rotor sleeve. The first cleaning brush 3224 and the second cleaning brush 3324 are both made of nylon material.

[0049] Specifically, in one embodiment, the oil and gas well casing thread cleaning device further comprises a power battery, the power battery is electrically connected with the first hollow motor 3222 or the second hollow motor 3322, and is used for supplying power for the first hollow motor 3222 or the second hollow motor 3322.

[0050] Although the utility model has been described with reference to the preferred embodiments, various improvements can be made and the components therein can be replaced with equivalents without departing from the scope of the utility model. In particular, the technical features mentioned in each embodiment can be combined in any way as long as there is no structural conflict. The utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A device for cleaning the threads of oil and gas well casing, characterized in that, The oil and gas well casing thread includes male and female threads, and the oil and gas well casing thread cleaning device includes: A first functional connector, used for cleaning the male thread; and A second functional connector, used for cleaning the female buckle; and The third functional connector is used to apply grease to the female buckle.

2. The oil and gas well casing thread cleaning device according to claim 1, characterized in that, The first functional connector includes: The cleaning device has a protective cover with a drain outlet at its bottom; and The spraying device is installed inside the protective cover of the cleaning device; The male buckle extends into the protective cover of the cleaning device, and the spray device can spray and clean it. The drain outlet is used to discharge the wastewater from spraying and cleaning the male buckle.

3. The oil and gas well casing thread cleaning device according to claim 2, characterized in that, The spraying device includes: Multiple upper spray pipes are spaced apart along a first direction, and each upper spray pipe is provided with a nozzle opening; and Multiple lower spray pipes are spaced apart along a first direction, and the nozzles are provided on the multiple lower spray pipes and are located below the multiple upper spray pipes. The water inlet pipe is connected to one end of the plurality of upper spray pipes and is used to supply water to the plurality of upper spray pipes. The other ends of the multiple upper spray pipes and the multiple lower spray pipes are sealed, and the water inlet pipe is provided with a water inlet.

4. The oil and gas well casing thread cleaning device according to claim 2, characterized in that, The protective cover of the cleaning device includes: The lower tank body, with the drain outlet at its bottom; and An upper protective cover is disposed on the lower groove body; and Rubber side plates are respectively disposed on both sides of the lower tank body and located between the lower tank body and the upper protective cover.

5. The oil and gas well casing thread cleaning device according to claim 1, characterized in that, The second functional connector includes: The first partition is detachably connected to the other end of an external industrial robotic arm; and A cleaning gun, fixed to the first partition, is used to clean the female buckle.

6. The oil and gas well casing thread cleaning device according to claim 5, characterized in that, The cleaning gun includes: First gun body; and A first hollow motor is disposed at the gun head end of the first gun body; and A first cleaning tube is inserted into the drive end of the first hollow motor and the body of the first gun, the drive end being capable of rotating the first cleaning tube; and A first cleaning brush is disposed on the outer periphery of the end of the first cleaning tube that extends out of the first hollow motor; and A first nozzle is disposed on the first cleaning tube and communicates with the interior of the first cleaning tube; The first hollow motor is fixed at its fixed end on the first partition plate, and the other end of the first cleaning pipe is provided with a water supply port. The first gun body is provided with a first trigger switch, which is electrically connected to the first hollow motor and is used to control the start and stop of the first hollow motor.

7. The oil and gas well casing thread cleaning device according to claim 6, characterized in that, The first cleaning brush is spirally wound around the first cleaning tube along the central axis of the first cleaning tube.

8. The oil and gas well casing thread cleaning device according to claim 6, characterized in that, The bottom of the first partition is provided with a baffle, the baffle is provided with an arc-shaped groove, and the bottom of the arc-shaped groove is provided with a drain port.

9. The oil and gas well casing thread cleaning device according to claim 1, characterized in that, The third functional connector includes: The second partition is detachably connected to the other end of the external industrial robotic arm; and A grease gun, fixed to the second partition, is used to apply grease to the female fastener.

10. The oil and gas well casing thread cleaning device according to claim 9, characterized in that, The grease gun includes: Second gun body; and A second hollow motor is disposed at the gun head end of the second gun body; and A second cleaning tube is inserted into the drive end of the second hollow motor and the body of the second gun; the drive end is capable of rotating the second cleaning tube. The second cleaning brush is disposed on the outer periphery of the end of the second cleaning tube that extends out of the second hollow motor; and The second nozzle is disposed on the second cleaning tube and communicates with the interior of the second cleaning tube; The second hollow motor is fixed at its fixed end on the second partition plate, the other end of the second cleaning tube is provided with an oil supply port, and the second gun body is provided with a second trigger switch, which is electrically connected to the second hollow motor and is used to control the start and stop of the second hollow motor.

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