CN112141925A

CN112141925A - Drilling tool conveying device and conveying method thereof

Info

Publication number: CN112141925A
Application number: CN202011018077.3A
Authority: CN
Inventors: 杨友平
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2020-12-29

Abstract

The invention discloses a drilling tool conveying device and a conveying method thereof, and the device comprises a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with a winch through screws, a rope body is wound on an output roller of the winch, one end of the rope body is fixedly connected with a hanging ring, the bottom of the hanging ring is fixedly connected with a first U-shaped plate, the bottom of the first U-shaped plate is fixedly connected with a second U-shaped plate, through the arrangement of a third U-shaped plate and a rotating wheel, a drilling tool is more stable in the lowering process of the drilling tool, the drilling tool is in a horizontal state, the obtained detection data is more accurate when the drilling tool works, in addition, a lowering well pipe is cleaned and conveniently lowered, meanwhile, the drilling tool is conveniently fixed through a first spring, a first fixing plate and a fourth fixing plate, and meanwhile, the quick adjustment and fixation can be carried out according to the size of the drilling tool, the operation is simple, and the use by workers is convenient.

Description

Drilling tool conveying device and conveying method thereof

Technical Field

The invention relates to the technical field of well drilling tool conveying, in particular to a well drilling tool conveying device and a conveying method thereof.

Background

The task of drilling a borehole from the surface using mechanical equipment or manual labor is known as drilling. Generally, the engineering of drilling a borehole and a large-diameter water supply well by exploring or developing liquid and gaseous minerals such as oil, natural gas and the like is referred to, and drilling tools mainly include a wellhead tool and a downhole drilling tool. The wellhead tools are tools for lifting and unloading drilling tools, such as hanging tongs, elevators, slips and the like. The hanging tongs are used for loading and unloading various screw threads of the well drilling tool. The elevator is used to hang, lift and lower the drill string. The slips are used for clamping a drill string and are hung on a rotary table, and a drilling detector is required to detect the aspects of drilling quality or petroleum content and the like in the drilling process.

Prior patent (CN202360053U) discloses a tool transfer device for deep water drilling, which comprises at least one hollow cylinder, a gate and a connector, wherein one open end of the hollow cylinder is connected with the gate and the connector in turn; the gate and the connector are connected with a power system; and a winch is arranged at the other opening end of the hollow cylinder. The device can be used for conveying and recovering a pipe cleaner and a pipeline detection device. In the process of implementing the patent, the inventor finds that the prior art at least does not solve the following problems: in oil drilling, when the existing drilling tool conveying device is used, oil stains on a drilling pipeline influence the lowering of a drilling detector in the lowering process of the drilling detector; in the lowering process, the drilling detector is easy to shake, so that the drilling detector tilts, and the detection data of the drilling detector is inaccurate; the drilling tool is inconvenient to fix and is inconvenient to convey; the fixing mechanism can not be adjusted according to the size of the detecting instrument, and the use of the conveying device of the drilling tool is limited. Therefore, the drilling tool conveying device and the conveying method thereof are provided.

Disclosure of Invention

The present invention is directed to a device and a method for transferring a drilling tool, so as to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: a drilling tool conveying device comprises a base plate, wherein the upper surface of the base plate is fixedly connected with a winch through screws, a rope body is wound on an output roller of the winch, one end of the rope body is fixedly connected with a hanging ring, the bottom of the hanging ring is fixedly connected with a first U-shaped plate, the bottom of the first U-shaped plate is fixedly connected with a second U-shaped plate, the inner side wall of the second U-shaped plate is fixedly connected with a first spring, one end of the first spring is fixedly connected with a first fixing plate, the front surface of the first fixing plate is fixedly connected with a first rod body, the outer side wall of the first rod body is slidably connected with a second fixing plate, one end of the first rod body is fixedly connected with a first limiting block, the two sides of the second U-shaped plate are fixedly connected with second rod bodies, the outer side wall of the second rod body is slidably connected with a first sleeve, and one end of the first sleeve is rotatably connected with, the telescopic inside wall threaded connection of second has first threaded rod, the one end fixedly connected with third U-shaped plate of first threaded rod, the inside wall fixedly connected with runner of third U-shaped plate, the lower fixed surface of third U-shaped plate is connected with the third body of rod, the one end fixedly connected with second stopper of the third body of rod, the lateral wall cover of second stopper is equipped with the second spring, the lateral wall sliding connection of second stopper has the third fixed plate, one side fixedly connected with scraper blade of third fixed plate, the lower fixed surface of first U-shaped plate is connected with the second threaded rod, the lateral wall threaded connection of second threaded rod has the third sleeve, the telescopic bottom of third is rotated through the bearing and is connected with the fourth fixed plate.

As further preferable in the present technical solution: threaded through holes are uniformly formed in the two sides of the outer side wall of the second rod body, bolts are connected to the inner side wall of each threaded through hole in a threaded mode, and the bolts penetrate through the first sleeves.

As further preferable in the present technical solution: the lower surface symmetry fixedly connected with of bottom plate two backup pads, two the first plate body of one side fixedly connected with that the backup pad is adjacent, the last fixed surface of first plate body is connected with the water tank, the upper surface intercommunication of water tank has the inlet tube, one side intercommunication of water tank has first body, the last fixed surface of first plate body is connected with the water pump, the end of intaking of water pump with first body intercommunication, the play water end intercommunication of water pump has the second body, the one end intercommunication of second body has the shower nozzle, one side fixedly connected with sixth fixed plate of shower nozzle.

As further preferable in the present technical solution: the lower surface of the sixth fixing plate is provided with a sliding chute, the inner side wall of the sliding chute is connected with a sliding block in a sliding mode, the upper surface of the first plate body is fixedly connected with a fifth fixing plate, and the upper surface of the fifth fixing plate is fixedly connected with the sliding block.

As further preferable in the present technical solution: two the equal symmetrical two universal wheels of fixedly connected with of lower surface of backup pad, two the equal symmetrical two second plate bodies of fixedly connected with in one side that the backup pad repels, four the equal threaded connection in upper surface of second plate body has the third threaded rod, four the equal fixedly connected with knob in top of third threaded rod, four the bottom of third threaded rod all rotates through the bearing and is connected with the foot stool.

As further preferable in the present technical solution: one side fixedly connected with switch box of bottom plate, the internally mounted of switch box has the switch group, the electrical output of switch group pass through the wire respectively with the water pump with the electrical input electrical connection of hoist engine.

The invention also provides a method for transmitting the well drilling tool transmission device, which comprises the following steps:

s1, moving the device to a specified use place through a universal wheel;

s2, the third threaded rod is driven to rotate by the rotary knob, the foot seat is close to the ground until the foot seat is contacted with the ground, the stability of the device is improved, the foot seat is rotationally connected with the third threaded rod through a bearing, and when the third threaded rod rotates, the foot seat only moves and does not rotate;

s3, sliding the first sleeve in the second rod body according to the caliber of a drilling wellhead, adjusting the distance between the two third U-shaped plates, rotating the second sleeve on the first threaded rod, accurately adjusting the distance between the two third U-shaped plates, placing a drilling detection instrument on the second U-shaped plate and between the two first fixing plates, pushing the two first fixing plates by the drilling detection instrument, extruding the first spring by the first fixing plates to deform the first spring, extruding and fixing the drilling detection instrument by the reverse thrust generated by the first spring through the first fixing plates, sliding the second fixing plates in the first rod body, rotating the third sleeve on the second threaded rod, approaching the fourth fixing plates to the direction of the drilling detection instrument, and extruding and fixing the drilling detection instrument;

s4, placing the second U-shaped plate in a wellhead, turning on a switch group, enabling the rope body to be fixedly connected with the first U-shaped plate through a hanging ring, starting a winch, putting the second U-shaped plate into a drilling pipeline along the pipe wall through a rotating wheel, cleaning the pipe wall through a scraper, driving a third fixing plate to slide on a third rod body to extrude a second spring through the scraper due to friction of the pipe wall, and pushing the third fixing plate to drive the scraper by the reverse thrust of the second spring to clean the pipe wall;

s5, after the drilling detection instrument finishes detection, the switch group controls the winch to drive the first U-shaped plate to ascend through the rope, the switch group is controlled to close the winch, the water pump is started simultaneously, water in the water tank enters the spray head through the second pipe body, the sixth fixing plate slides to enable the sliding block to slide on the inner side wall of the sliding groove, the spray head is taken down, the drilling detection instrument is cleaned, and after cleaning is finished, the switch group is controlled to close the water pump finally.

As further preferable in the present technical solution: and in S, before the spray head is used for detecting the drilling well, cleaning liquid is injected into the water tank through the water inlet pipe, and the outer side wall of the water inlet pipe is provided with a valve for controlling the connectivity of the water inlet pipe.

Compared with the prior art, the invention has the beneficial effects that: through the setting of third U-shaped board and runner, at the in-process that drilling tool well drilling detecting instrument transferred, make well drilling detecting instrument more stable, make well drilling detecting instrument be in the horizontally state, make well drilling detecting instrument during operation, the detected data that obtains is more accurate, and when transferring, clear up transferring the well casing, conveniently transfer, simultaneously through first spring, first fixed plate and fourth fixed plate are convenient to be fixed drilling tool, it is fixed to carry out quick adjustment according to drilling tool's size simultaneously, and is easy to operate, the staff of being convenient for uses.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a second U-shaped plate according to the present invention;

FIG. 3 is a schematic structural view of a third U-shaped plate of the present invention;

FIG. 4 is a schematic view of a first rod according to the present invention;

fig. 5 is a schematic structural diagram of the switch box of the present invention.

In the figure: 1. a base plate; 2. a rope body; 3. hanging a ring; 4. a first U-shaped plate; 5. a second U-shaped plate; 6. a first spring; 7. a first fixing plate; 8. a first rod body; 9. a second fixing plate; 10. a first stopper; 11. a second rod body; 12. a first sleeve; 13. a second sleeve; 14. a switch group; 15. a first threaded rod; 16. a third U-shaped plate; 17. a rotating wheel; 18. a third rod body; 19. a second limiting block; 20. a second spring; 21. a third fixing plate; 22. a squeegee; 23. a second threaded rod; 24. a third sleeve; 25. a fourth fixing plate; 26. a threaded through hole; 27. a bolt; 28. a water tank; 29. a first pipe body; 30. a water pump; 31. a second tube body; 32. a fifth fixing plate; 33. a spray head; 34. a sixth fixing plate; 35. a chute; 36. a slider; 37. a water inlet pipe; 38. a support plate; 39. a first plate body; 40. a second plate body; 41. a third threaded rod; 42. a knob; 43. a foot seat; 44. a switch box; 45. a universal wheel; 46. a hoisting machine.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: a drilling tool conveying device comprises a base plate 1, wherein the upper surface of the base plate 1 is fixedly connected with a winch 46 through screws, an output roller of the winch 46 is wound with a rope body 2, one end of the rope body 2 is fixedly connected with a hanging ring 3, the bottom of the hanging ring 3 is fixedly connected with a first U-shaped plate 4, the bottom of the first U-shaped plate 4 is fixedly connected with a second U-shaped plate 5, the inner side wall of the second U-shaped plate 5 is fixedly connected with a first spring 6, one end of the first spring 6 is fixedly connected with a first fixing plate 7, the front surface of the first fixing plate 7 is fixedly connected with a first rod body 8, the outer side wall of the first rod body 8 is slidably connected with a second fixing plate 9, one end of the first rod body 8 is fixedly connected with a first limiting block 10, the two sides of the second U-shaped plate 5 are fixedly connected with second rod bodies 11, the outer side wall of the second rod body 11 is slidably connected with a first sleeve 12, the inside wall threaded connection of second sleeve 13 has first threaded rod 15, the one end fixedly connected with third U-shaped plate 16 of first threaded rod 15, the inside wall fixedly connected with runner 17 of third U-shaped plate 16, the lower fixed surface of third U-shaped plate 16 is connected with the third body of rod 18, the one end fixedly connected with second stopper 19 of the third body of rod 18, the lateral wall cover of second stopper 19 is equipped with second spring 20, the lateral wall sliding connection of second stopper 19 has third fixed plate 21, one side fixedly connected with scraper blade 22 of third fixed plate 21, the lower fixed surface of first U-shaped plate 4 is connected with second threaded rod 23, the lateral wall threaded connection of second threaded rod 23 has third sleeve 24, the bottom of third sleeve 24 is connected with fourth fixed plate 25 through the bearing rotation.

In this embodiment, specifically: threaded through hole 26 has all evenly been seted up to the lateral wall both sides of the second body of rod 11, and threaded through hole 26's inside wall threaded connection has bolt 27, and bolt 27 runs through first sleeve 12, slides suitable distance at the second body of rod 11 at first sleeve 12, and during inserting bolt 27 into the second body of rod 11 and corresponding threaded through hole 26, fix the position of the second body of rod 11.

In this embodiment, specifically: two backup pads 38 of lower surface symmetry fixedly connected with of bottom plate 1, two first plate bodies 39 of one side fixedly connected with that backup pad 38 is adjacent, the last fixed surface of first plate body 39 is connected with water tank 28, the upper surface intercommunication of water tank 28 has inlet tube 37, one side intercommunication of water tank 28 has first body 29, the last fixed surface of first plate body 39 is connected with water pump 30, water pump 30's the end of intaking communicates with first body 29, water pump 30's play water end intercommunication has second body 31, the one end intercommunication of second body 31 has shower nozzle 33, one side fixedly connected with sixth fixed plate 34 of shower nozzle 33, water pump 30 carries the washing liquid through second body 31 to shower nozzle 33 with the washing liquid in the water tank 28, shower nozzle 33 conveniently clears up the well drilling detecting instrument after the well drilling detecting instrument uses.

In this embodiment, specifically: the lower surface of the sixth fixing plate 34 is provided with a sliding groove 35, the inner side wall of the sliding groove 35 is connected with a sliding block 36 in a sliding manner, the upper surface of the first plate body 39 is fixedly connected with the fifth fixing plate 32, the upper surface of the fifth fixing plate 32 is fixedly connected with the sliding block 36, the spray head 33 is connected with the sixth fixing plate 34, and the sliding sixth fixing plate 34 enables the sliding block 36 to slide on the inner side wall of the sliding groove, so that the spray head 33 is convenient to mount or dismount. In this embodiment, specifically: two universal wheels 45 of the equal symmetrical fixedly connected with in lower surface of two backup pads 38, two backup pads 38 two equal symmetrical fixedly connected with in one side that repel each other two second plate bodies 40, the equal threaded connection of upper surface of four second plate bodies 40 has third threaded rod 41, the equal fixedly connected with knob 42 in top of four third threaded rods 41, the bottom of four third threaded rods 41 all rotates through the bearing and is connected with foot stool 43, setting through foot stool 43, rotatory knob 42, rotate third threaded rod 41, it is close to the direction on ground to drive foot stool 43, improve the support to this device, make this device more stable.

In this embodiment, specifically: one side fixedly connected with switch box 44 of bottom plate 1, the internally mounted of switch box 44 has switch group 14, and the electrical output of switch group 14 passes through the wire respectively with the electrical input electrical connection of water pump 30 and hoist engine 46, and the setting through switch box 44 plays the effect of protection in the face of switch group 14, and switch group 14 is responsible for opening and closing of control water pump 30 and hoist engine 46.

s1, moving the device to a specified use place through the universal wheels 45;

s2, the rotating knob 42 drives the third threaded rod 41 to rotate, the foot seat 43 is close to the ground until the foot seat 43 contacts with the ground, the stability of the device is improved, the foot seat 43 is rotatably connected with the third threaded rod 41 through a bearing, and when the third threaded rod 41 rotates, the foot seat 43 only moves and does not rotate;

s3, and then, according to the bore of the wellhead of the well, sliding the first sleeve 12 in the second rod 11, the distance between the two third U-shaped plates 16 is adjusted, the second sleeve 13 is rotated on the first threaded bar 15, the distance between the two third U-shaped plates 16 is accurately adjusted, a drilling detection instrument is placed on the second U-shaped plate 5 and positioned between the two first fixing plates 7, the drilling detection instrument pushes the two first fixing plates 7, the first fixing plates 7 extrude the first springs 6, thereby the first spring 6 is deformed, the counter thrust generated by the first spring 6 extrudes and fixes the drilling detection instrument through the first fixing plate 7, the second fixing plate 9 slides in the first rod body 8, rotating the third sleeve 24 on the second threaded rod 23 to enable the fourth fixing plate 25 to approach to the direction of the drilling detection instrument, and extruding and fixing the drilling detection instrument;

s4, placing the second U-shaped plate 5 in a wellhead, opening the switch group 14, enabling the rope body 2 to be fixedly connected with the first U-shaped plate 4 and the first U-shaped plate 4 through the hanging ring 3, starting the winch 46, placing the second U-shaped plate 5 into a drilling pipeline along the pipe wall through the runner 17, cleaning the pipe wall through the scraper 22, driving the third fixing plate 21 to slide on the third rod body 18 to extrude the second spring 20 due to friction of the pipe wall through the scraper 22, and pushing the third fixing plate 21 to drive the scraper 22 by the reverse thrust of the second spring 20 to clean the pipe wall;

s5, after the detection of the drilling detection instrument is finished, the switch group 14 controls the winch 46 to drive the first U-shaped plate 4 to ascend through the rope body 2, the switch group 14 is controlled to close the winch 46, the water pump 30 is started simultaneously, water in the water tank 28 enters the spray nozzle 33 through the second pipe body 31, the sixth fixing plate 34 slides to enable the sliding block 36 to slide on the inner side wall of the sliding groove, the spray nozzle 33 is taken down to clean the drilling detection instrument, and after the cleaning is finished, the switch group 14 is finally controlled to close the water pump 30.

In this embodiment, specifically: in S5, before the nozzle 33 is aligned with the drilling inspection instrument, cleaning fluid is injected into the tank 28 through the inlet pipe 37, and a valve is installed on the outer side wall of the inlet pipe 37 to control the connectivity of the inlet pipe 37.

Theory of operation or structural principle, during the use, through the setting of third U-shaped board 16 and runner 17, at the in-process that drilling tool well drilling detecting instrument transferred, make well drilling detecting instrument more stable, make well drilling detecting instrument be in the horizontally state, make well drilling detecting instrument during operation, the detection data who obtains is more accurate, and when transferring, clear up the well casing of transferring, conveniently transfer, simultaneously through first spring 6, first fixed plate 7 and fourth fixed plate 25 are convenient fixes the drilling tool, can carry out quick adjustment according to the size of drilling tool simultaneously and fix, and is easy to operate, and the staff of being convenient for uses.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A drilling tool transfer device comprising a shoe (1), characterized in that: the upper surface of the bottom plate (1) is fixedly connected with a winch (46) through screws, an output roller of the winch (46) is wound with a rope body (2), one end of the rope body (2) is fixedly connected with a hanging ring (3), the bottom of the hanging ring (3) is fixedly connected with a first U-shaped plate (4), the bottom of the first U-shaped plate (4) is fixedly connected with a second U-shaped plate (5), the inner side wall of the second U-shaped plate (5) is fixedly connected with a first spring (6), one end of the first spring (6) is fixedly connected with a first fixing plate (7), the front surface of the first fixing plate (7) is fixedly connected with a first rod body (8), the outer side wall of the first rod body (8) is slidably connected with a second fixing plate (9), one end of the first rod body (8) is fixedly connected with a first limiting block (10), the two sides of the second U-shaped plate (5) are fixedly connected with second rod bodies (11), the outer side wall of the second rod body (11) is connected with a first sleeve (12) in a sliding mode, one end of the first sleeve (12) is connected with a second sleeve (13) in a rotating mode through a bearing, the inner side wall of the second sleeve (13) is connected with a first threaded rod (15) in a threaded mode, one end of the first threaded rod (15) is fixedly connected with a third U-shaped plate (16), the inner side wall of the third U-shaped plate (16) is fixedly connected with a rotating wheel (17), the lower surface of the third U-shaped plate (16) is fixedly connected with a third rod body (18), one end of the third rod body (18) is fixedly connected with a second limiting block (19), the outer side wall of the second limiting block (19) is sleeved with a second spring (20), the outer side wall of the second limiting block (19) is connected with a third fixing plate (21) in a sliding mode, and one side, the lower surface fixed connection of first U-shaped board (4) has second threaded rod (23), the lateral wall threaded connection of second threaded rod (23) has third sleeve (24), the bottom of third sleeve (24) is passed through the bearing and is rotated and be connected with fourth fixed plate (25).

2. The well tool transfer device of claim 1, wherein: threaded through holes (26) are uniformly formed in the two sides of the outer side wall of the second rod body (11), bolts (27) are connected to the inner side wall threads of the threaded through holes (26), and the bolts (27) penetrate through the first sleeve (12).

3. The well tool transfer device of claim 1, wherein: two backup pads (38) of lower surface symmetry fixedly connected with of bottom plate (1), two the first plate body (39) of one side fixedly connected with that backup pad (38) is adjacent, the last fixed surface of first plate body (39) is connected with water tank (28), the upper surface intercommunication of water tank (28) has inlet tube (37), one side intercommunication of water tank (28) has first body (29), the last fixed surface of first plate body (39) is connected with water pump (30), the end of intaking of water pump (30) with first body (29) intercommunication, the play water end intercommunication of water pump (30) has second body (31), the one end intercommunication of second body (31) has shower nozzle (33), one side fixedly connected with sixth fixed plate (34) of shower nozzle (33).

4. A well tool transfer device according to claim 3, wherein: spout (35) have been seted up to the lower surface of sixth fixed plate (34), the inside wall sliding connection of spout (35) has slider (36), the last fixed surface of first plate body (39) is connected with fifth fixed plate (32), the upper surface of fifth fixed plate (32) with slider (36) fixed connection.

5. The well tool transfer device of claim 4, wherein: two equal symmetrical fixedly connected with two universal wheels (45) of lower surface of backup pad (38), two equal symmetrical fixedly connected with two second plate bodies (40), four in one side that backup pad (38) repel each other the equal threaded connection of upper surface of second plate body (40) has third threaded rod (41), four the equal fixedly connected with knob (42) in top of third threaded rod (41), four the bottom of third threaded rod (41) all is connected with foot stool (43) through the bearing rotation.

6. The well tool transfer device of claim 5, wherein: one side of the bottom plate (1) is fixedly connected with a switch box (44), a switch group (14) is installed inside the switch box (44), and an electrical output end of the switch group (14) is electrically connected with an electrical input end of the water pump (30) and an electrical input end of the winch (46) through wires.

7. A method for transferring a well drilling tool transfer device is characterized in that: the method comprises the following steps:

s1, moving the drilling tool conveying device to a designated using place through a universal wheel (45);

s2, rotating a knob (42) to drive a third threaded rod (41) to rotate, enabling a foot seat (43) to approach to the ground direction until the foot seat (43) is in contact with the ground, and increasing the stability of the well drilling tool conveying device, wherein the foot seat (43) is in rotating connection with the third threaded rod (41) through a bearing, and when the third threaded rod (41) rotates, the foot seat (43) only moves in position and does not rotate;

s3, sliding the first sleeve (12) in the second rod body (11) according to the caliber of a drilling wellhead, adjusting the distance between the two third U-shaped plates (16), rotating the second sleeve (13) on the first threaded rod (15), accurately adjusting the distance between the two third U-shaped plates (16), placing a drilling detection instrument on the second U-shaped plate (5) and between the two first fixing plates (7), pushing the two first fixing plates (7) by the drilling detection instrument, extruding the first spring (6) by the first fixing plates (7) so as to deform the first spring (6), extruding and fixing the drilling detection instrument by the reverse thrust generated by the first spring (6) through the first fixing plates (7), sliding the second fixing plates (9) in the first rod body (8), rotating a third sleeve (24) on the second threaded rod (23), enabling a fourth fixing plate (25) to approach to the direction of the drilling detection instrument, and extruding and fixing the drilling detection instrument;

s4, placing a second U-shaped plate (5) in a wellhead, opening a switch group (14), connecting a rope body (2) with a first U-shaped plate (4) through a hanging ring (3), fixedly connecting the first U-shaped plate (4) with the second U-shaped plate (5), starting a winch (46), putting the second U-shaped plate (5) into a drilling pipeline along a pipe wall through a rotating wheel (17), cleaning the pipe wall through a scraper (22), driving a third fixing plate (21) to slide on a third rod body (18) by the scraper (22) due to friction of the pipe wall, extruding a second spring (20) through the third fixing plate (21), and pushing the third fixing plate (21) to drive the scraper (22) by the reverse thrust of the second spring (20) to clean the pipe wall;

s5, after the detection of the drilling detection instrument is finished, the switch group (14) controls the winch (46) to drive the first U-shaped plate (4) to ascend through the rope body (2), controls the switch group (14) to close the winch (46), simultaneously starts the water pump (30), allows water in the water tank (28) to enter the spray head (33) through the second pipe body (31), slides the sixth fixing plate (34), enables the sliding block (36) to slide on the inner side wall of the sliding groove (35), takes down the spray head (33), cleans the drilling detection instrument, and finally controls the switch group (14) to close the water pump (30) after the cleaning is finished.

8. The method of claim 7, wherein the step of transferring the well tool transfer device comprises: in S5, before the drilling detection instrument is cleaned by the spray head (33), cleaning fluid is injected into the water tank (28) through a water inlet pipe (37), and a valve is installed on the outer side wall of the water inlet pipe (37) to control the connectivity of the water inlet pipe (37).