Petroleum underground positioning device

Abstract

The utility model belongs to the field of petroleum underground positioning, particularly relates to a petroleum underground positioning device, and aims to solve the problems that although the inner wall of a petroleum well can be propped through a clamping jaw on a fixed seat in the prior art in use, if a telescopic rod is not long enough, the telescopic rod cannot be extended again, and the fixed seat is inconvenient to prop against the interior of the petroleum well through the clamping jaw. According to the scheme, the device comprises a box body and a distance measuring machine used for conducting distance measuring and positioning, a frame body is fixedly arranged on the inner wall of the top of the box body, a motor is fixedly arranged on the inner wall of the bottom of the frame body, a rotating rod is rotationally connected to the bottom of the frame body, and the output end of the motor penetrates through the bottom of the frame body and is fixedly connected with the top end of the rotating rod; the inner walls of the two sides of the box body are rotationally connected with the same two-way lead screw, the first frame body is expanded and extended through the extension mechanism, the distance measuring machine is effectively shielded and protected through the protection mechanism, and the distance measuring machine is prevented from being damaged due to the fact that the distance measuring machine is exposed outside and collided.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil downhole positioning technical field especially relates to a kind of oil downhole positioning device. BACKGROUND

[0002] At present, in the oil field industry in well drilling operation, to ensure the construction precision of various downhole operations of oil well after well completion, positioning is needed in oil well, so as to record and measure the actual oil exploitation position, facilitate data acquisition of exploitation.

[0003] Through the retrieval, the patent with the announcement number CN221722750U discloses a downhole positioning device, but the positioning device has the following shortcomings when in use:

[0004] Although the inner wall of the oil well can be abutted by the clamping jaw on the fixing seat in use, if the length of the telescopic rod is insufficient, the telescopic rod cannot be extended again, and the clamping jaw cannot abut the fixing seat in the oil well. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art that although the inner wall of the oil well can be abutted by the clamping jaw on the fixing seat in use, if the length of the telescopic rod is insufficient, the telescopic rod cannot be extended again, and the clamping jaw cannot abut the fixing seat in the oil well, and provides an oil downhole positioning device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] An oil downhole positioning device includes a box body and a range finder for range finding positioning, a frame body is fixedly arranged on the top inner wall of the box body, a motor is fixedly arranged on the bottom inner wall of the frame body, a rotating rod is rotatably connected to the bottom of the frame body, the output end of the motor penetrates through the bottom of the frame body and is fixedly connected to the top end of the rotating rod, the same bidirectional screw rod is rotatably connected to the inner wall of both sides of the box body, the bevel gears are fixedly arranged on the bidirectional screw rod and the rotating rod and are engaged with each other, two moving plates are slidably connected to the bottom inner wall of the box body, the first frame body is fixedly arranged on the side of each moving plate away from the other, the clamping jaw is arranged on one side of the first frame body, the moving holes are arranged on both sides of the box body to facilitate the movement of the clamping jaw and the first frame body, the range finder is fixedly arranged on the bottom of the box body by screws, and the lifting ring is welded on the top of the box body to facilitate the lifting and movement of external equipment.

[0008] The extension mechanism is arranged in the first frame body to extend the first frame body.

[0009] The protection mechanism is arranged on the bottom of the box body to protect the range finder when not in use.

[0010] In a possible design, the extending mechanism comprises a second frame, an expansion plate, a first electric push rod and a second electric push rod, the second frame and the first frame are both in U shape, the top and the bottom of the second frame are slidably connected with the inner wall of the top and the bottom of the first frame respectively, the fixed part of the first electric push rod is fixedly connected with the inner wall of one side of the first frame, the telescopic part of the first electric push rod is fixedly connected with one side of the second frame, the top and the bottom of the expansion plate are slidably connected with the inner wall of the top and the bottom of the second frame respectively, the fixed part of the second electric push rod is fixedly connected with the inner wall of one side of the second frame, the telescopic part of the second electric push rod is fixedly connected with one side of the expansion plate, and one side of the claw is fixedly connected with one side of the expansion plate.

[0011] In a possible design, the protection mechanism comprises a mounting ring and a protection cover, the top of the mounting ring is fixedly connected with the bottom of the box body, external threads are formed on the mounting ring, and internal threads are formed on the inner wall of the protection cover; and the protection cover is threadedly connected with the mounting ring.

[0012] In a possible design, one side of the box body is provided with a dismounting plate, perforations are formed at the four corners of the dismounting plate, bolts are arranged in the perforations, and threaded holes are formed at the four corners of one side of the box body; one end of the bolt is threadedly connected with the threaded hole.

[0013] In a possible design, the inner wall of the bottom of the box body is provided with a moving groove for improving the moving stability of the moving plate, and the bottom of each of the two moving plates is fixedly provided with a moving block, and the bottom of the moving block is slidably connected with the inner wall of the moving groove.

[0014] In a possible design, anti-skid lines are formed on the protection cover for increasing the friction of the hands of the personnel and preventing slipping.

[0015] In the application, first, the operator needs to connect the oil downhole positioning device with the external hoisting equipment through the lifting ring (a steel wire rope can be fixed on the lifting ring, and the steel wire rope is wound and released by an electric winch, so that the box moves up and down in the oil well), so as to safely send it to the designated position in the oil well. Once the positioning device reaches the predetermined depth, the operator can start operating the device. First, the rotation of the rotating rod is started by the starting of the motor. Since the transmission between the rotating rod and the bidirectional screw rod is realized through the bevel gear, the bidirectional screw rod will also start to rotate. With the rotation of the bidirectional screw rod, the two moving plates will move in opposite directions along the bottom inner wall of the box, thereby driving the two first frame bodies and the clamping jaws to expand to both sides. When the clamping jaws cannot contact the inner wall of the oil well, the second frame body can be pushed to slide in the first frame body by starting the first electric push rod, thereby further expanding the size of the first frame body. At the same time, the expansion plate can be pushed to slide in the second frame body by starting the second electric push rod, and expansion is performed again, so that the two clamping jaws can be attached to the inner wall of the oil well, saving the stability of the box in the oil well and avoiding shaking. The distance between the bottom of the oil well and the distance measuring machine is measured by the distance measuring machine. When the distance measuring machine is not used, the protective cover is taken out and installed on the mounting ring in a threaded connection manner, effectively shielding and protecting the distance measuring machine from damage caused by exposure to bumps. The motor can be a stepper motor, which can be reversed. The power supply of the motor, the first electric push rod and the second electric push rod can be installed in the box to supply power, and an external controller is used for control. Of course, the power supply of the distance measuring machine can also be installed in the box to supply power, and an external controller is used for control.

[0016] The beneficial effects of the oil downhole positioning device in the utility model are as follows:

[0017] In the utility model, the first electric push rod is started to push the second frame body to slide in the first frame body, thereby further expanding the size of the first frame body. At the same time, the second electric push rod is started to push the expansion plate to slide in the second frame body, and expansion is performed again, so that the two clamping jaws can be attached to the inner wall of the oil well, saving the stability of the box in the oil well and avoiding shaking.

[0018] In the utility model, the protective mechanism is used to shield and protect the distance measuring machine when the distance measuring machine is not used, and the protective cover is installed on the mounting ring in a threaded connection manner, effectively shielding and protecting the distance measuring machine from damage caused by exposure to bumps.

[0019] In the utility model, the first frame body is expanded and extended by the extension mechanism, and the distance measuring machine is effectively shielded and protected by the protection mechanism to prevent damage caused by exposure to bumps. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A kind of petroleum downhole positioning device's uninstalled dismounting plate structure schematic view is proposed for the utility model;

[0021] Figure 2 A kind of petroleum downhole positioning device's main view structure schematic view is proposed for the utility model;

[0022] Figure 3 A kind of petroleum downhole positioning device's first part structure schematic view is proposed for the utility model;

[0023] Figure 4 A kind of petroleum downhole positioning device's second part structure schematic view is proposed for the utility model.

[0024] In the drawing: 1, box body;2, dismounting plate;3, jaw;4, frame;5, motor;6, rotating rod;7, bevel gear;8, moving plate;9, two-way screw;10, first frame;11, second frame;12, expansion board;13, first electric push rod;14, second electric push rod;15, moving groove;16, protective cover;17, range finder;18, mounting ring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments.

[0026] Embodiment one

[0027] Reference Figures 1-4The utility model provides a positioning device, including: box 1 and range finder 17, box 1 is as the main structure, is provided with various mechanisms and components in the inside to realize the positioning function, range finder 17 is fixed in the bottom of box 1 by screw, is used to carry out ranging positioning, the top inner wall of box 1 is fixedly provided with frame body 4, and the bottom inner wall of frame body 4 is fixedly provided with motor 5, and motor 5 is as the power source, provides rotary power, the bottom rotationally connected of frame body 4 has rotary bar 6, and the output end of motor 5 penetrates the bottom of frame body 4 and is fixedly connected with the top end of rotary bar 6, when motor 5 starts, rotary bar 6 rotates along with it, the same bidirectional screw rod 9 is rotationally connected to the inner wall of both sides of box 1, and the opposite thread of two sections is provided on bidirectional screw rod 9 to realize the synchronous reverse movement of two moving plates 8, and the bevel gear 7 of fixed sleeve is set on rotary bar 6 and bidirectional screw rod 9 and is engaged, when rotary bar 6 rotates, rotary bar 9 is rotated through the transmission of bevel gear 7, the bottom inner wall of box 1 is slidably connected with two moving plates 8, and the two moving plates 8 are arranged at the two sides of bidirectional screw rod 9 respectively and are matched with the thread section of bidirectional screw rod 9 to realize movement, and the side away from each other of two moving plates 8 is fixedly provided with first frame body 10, when moving plate 8 moves, first frame body 10 is moved synchronously, and the side of first frame body 10 is provided with claw 3 for being attached to the inner wall of petroleum well, and the moving hole of facilitating the movement of claw 3 and first frame body 10 is set up in the both sides of box 1.

[0028] Extension mechanism is arranged in first frame body 10 and is used for extending first frame body 10, and the extension mechanism includes second frame body 11, expansion plate 12, first electric push rod 13 and second electric push rod 14, and the U-shaped structure is arranged in second frame body 11 and first frame body 10, and the top and bottom of second frame body 11 are slidably connected with the inner wall of the top and bottom of first frame body 10, to realize the telescopic movement of second frame body 11 in first frame body 10, and the fixed part of first electric push rod 13 is fixedly connected with the inner wall of one side of first frame body 10, and the telescopic part is fixedly connected with one side of second frame body 11, when first electric push rod 13 is started, second frame body 11 is pushed to be telescopic in first frame body 10, and the top and bottom of expansion plate 12 are slidably connected with the inner wall of the top and bottom of second frame body 11, and the fixed part of second electric push rod 14 is fixedly connected with the inner wall of one side of second frame body 11, and the telescopic part is fixedly connected with one side of expansion plate 12, when second electric push rod 14 is started, expansion plate 12 is pushed to be telescopic in second frame body 11, and one side of claw 3 is fixedly connected with one side of expansion plate 12, and with the telescopic movement of expansion plate 12, claw 3 also moves along with it.

[0029] The protection mechanism is arranged at the bottom of the box 1 and is used for protection when the distance measuring machine 17 is not used. The protection mechanism comprises a mounting ring 18 and a protection cover 16. The top of the mounting ring 18 is fixedly connected with the bottom of the box 1 and an external thread is formed in the top. An internal thread is formed in the inner wall of the protection cover 16 and is threadedly connected with the mounting ring 18. When the distance measuring machine 17 needs to be protected, the protection cover 16 can be screwed on the mounting ring 18.

[0030] The present application is used in the field of oil downhole positioning and can also be used in other fields applicable to the present application.

[0031] Embodiment two

[0032] Reference Figures 1-4 On the basis of embodiment one, an oil downhole positioning device is improved and is used in the field of oil downhole positioning,

[0033] A dismounting plate 2 is arranged at one side of the box 1 and is used for facilitating maintenance and repair of the inside of the box 1. Perforations are formed in the four corners of the dismounting plate 2 and bolts are arranged in the perforations. Threaded holes are formed in the four corners of one side of the box 1 and one end of the bolts is threadedly connected with the threaded holes. The dismounting plate 2 can be removed by dismounting the bolts.

[0034] A moving groove 15 for improving the moving stability of the moving plates 8 is formed in the inner wall of the bottom of the box 1. Moving blocks are fixedly arranged at the bottom of the two moving plates 8 and the bottom of the moving blocks is slidingly connected with the inner wall of the moving groove 15. The moving groove 15 plays a guiding and limiting role on the moving blocks and ensures the stability of the moving plates 8 during the moving process.

[0035] Anti-skid lines are formed on the protection cover 16 and are used for increasing the friction of the hands of the personnel and preventing skidding. This design facilitates the personnel to firmly hold the protection cover 16 and rotate the protection cover 16 during operation.

[0036] The model of the distance measuring machine 17 is YHJ-200J distance measuring machine. The distance measuring machine 17 is prior art and the working principle is common knowledge and will not be described herein. Of course, the specific model of the distance measuring machine 17 can also be selected according to actual needs.

[0037] However, as known by those skilled in the art, the working principles and wiring methods of the motor 5, the first electric push rod 13, the second electric push rod 14 and the distance measuring machine 17 are common and belong to conventional means or common knowledge and will not be described herein. Those skilled in the art can select and match them as needed or as convenient.

[0038] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An oil downhole positioning device comprising a housing (1) and a range finder (17) for range finding positioning, characterized in that, The inner wall of the top of the box (1) is fixedly provided with a frame (4), the bottom inner wall of the frame (4) is fixedly provided with a motor (5), the bottom of the frame (4) is rotatably connected with a rotating rod (6), the output end of the motor (5) penetrates the bottom of the frame (4) and is fixedly connected with the top end of the rotating rod (6), the same bidirectional screw rod (9) is rotatably connected with the inner wall of the both sides of the box (1), the bidirectional screw rod (9) and the rotating rod (6) are all fixedly provided with bevel gears (7) and are engaged, the bottom inner wall of the box (1) is slidably connected with two moving plates (8), the side, away from each other, of the two moving plates (8) is fixedly provided with a first frame body (10), the side of the first frame body (10) is provided with a clamping jaw (3), the both sides of the box (1) are provided with moving holes facilitating the movement of the clamping jaw (3) and the first frame body (10), the range finder (17) is fixedly screwed on the bottom of the box (1), the top of the box (1) is welded with a lifting ring facilitating the lifting movement of external equipment. The extension mechanism is arranged in the first frame body (10) and is used for extending the first frame body (10). The protection mechanism is arranged at the bottom of the box (1) and is used for protecting the range finder (17) when not in use.

2. A downhole positioning device for a petroleum well as claimed in claim 1, wherein, The extension mechanism comprises a second frame body (11), an expansion plate (12), a first electric push rod (13) and a second electric push rod (14), the second frame body (11) and the first frame body (10) are both in U shape, the top and the bottom of the second frame body (11) are slidably connected with the inner wall of the top and the bottom of the first frame body (10) respectively, the fixed part of the first electric push rod (13) is fixedly connected with the inner wall of one side of the first frame body (10), the telescopic part of the first electric push rod (13) is fixedly connected with one side of the second frame body (11), the top and the bottom of the expansion plate (12) are slidably connected with the inner wall of the top and the bottom of the second frame body (11) respectively, the fixed part of the second electric push rod (14) is fixedly connected with the inner wall of one side of the second frame body (11), the telescopic part of the second electric push rod (14) is fixedly connected with one side of the expansion plate (12), one side of the clamping jaw (3) is fixedly connected with one side of the expansion plate (12).

3. A downhole positioning device for a petroleum well as defined in claim 1, characterized in that The protection mechanism comprises a mounting ring (18) and a protection cover (16), the top of the mounting ring (18) is fixedly connected with the bottom of the box (1), the mounting ring (18) is provided with external threads, the inner wall of the protection cover (16) is provided with internal threads, and the protection cover (16) is threadedly connected with the mounting ring (18).

4. A downhole positioning device for a petroleum well as defined in claim 1, characterized in that One side of the box (1) is provided with a dismounting plate (2), the four corners of the dismounting plate (2) are all provided with through holes, bolts are arranged in the through holes, and the four corners of one side of the box (1) are all provided with threaded holes, one end of the bolt is threadedly connected with the threaded hole.

5. A downhole positioning device for a petroleum well as defined in claim 1, characterized in that The bottom inner wall of the box (1) is provided with a moving groove (15) for improving the moving stability of the moving plate (8), the bottom of each of the two moving plates (8) is fixedly provided with a moving block, and the bottom of the moving block is slidably connected with the inner wall of the moving groove (15).

6. A downhole positioning device for a petroleum well as defined in claim 3, characterized in that The protective cover (16) is provided with anti-skid lines for increasing the friction of the hands of the personnel.

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