A salvageable logging while drilling drilling tool device

Abstract

The present invention discloses a salvageable logging-while-drilling drilling tool device, which relates to the technical field of logging-while-drilling drilling tools. The device comprises a drill pipe, a logging-while-drilling drilling tool assembly is arranged inside the drill pipe, a clamping groove is opened on the inner side of the drill pipe, and a fixed seat is telescopically arranged on the logging-while-drilling drilling tool assembly; a mounting cylinder 1 is arranged on the top of the logging-while-drilling drilling tool assembly, a mounting cylinder 2 is arranged on the top of the mounting cylinder 1, and a supporting roller is slidably arranged inside the mounting cylinder 2; a fixing mechanism is arranged inside the mounting cylinder 1 for controlling and fixing the fixed seat; the drilling tool device also comprises a hoisting platform, a hoisting control cylinder is rotatably mounted on the hoisting platform, and a centering rod is rotatably arranged on the hoisting platform; a fixed electric cylinder is rotatably arranged inside the hoisting control cylinder for fixedly hoisting the fixed seat; the present invention can facilitate the docking of the salvage tool with the logging-while-drilling tool, making the salvage operation simple and convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of logging while drilling tools, in particular to a salvageable logging while drilling tool device. Background Art

[0002] Salvageable logging while drilling tools, also known as recoverable logging while drilling tools, are an important tool used in oil and gas exploration and development. Its main function is to obtain information such as underground geology and oil and gas formations in real time during the drilling process, to help drillers understand the downhole situation in real time, and to provide data support, thereby improving the safety and efficiency of drilling. For the salvage and recovery of logging while drilling tools, they are generally clamped and fixed by cables and clamping tools, and then hoisted and recovered. During the recovery process, the docking process between the clamping tool and the logging while drilling tool is relatively cumbersome, making the entire salvage process relatively complicated. Based on this, the present invention proposes a salvageable logging while drilling drill tool device, which can facilitate the docking of the salvage tool with the logging while drilling tool, making the salvage operation simple and convenient. Summary of the Invention

[0003] In response to the above technical problems, the present invention can facilitate the docking of the salvage tool with the logging while drilling tool, making the salvage operation simple and convenient.

[0004] The usage scheme of the present invention is: a salvageable logging while drilling drilling tool device, including a drill pipe, a logging while drilling drilling tool assembly is arranged inside the drill pipe, a card slot is opened on the inner side of the drill pipe, and a fixed seat is telescopically arranged on the logging while drilling drilling tool assembly, and the fixed seat cooperates with the card slot for fixation; a mounting cylinder 1 is arranged on the top of the logging while drilling drilling tool assembly, and a mounting cylinder 2 is arranged on the top of the mounting cylinder 1, and a supporting roller is slidingly arranged inside the mounting cylinder 2; a fixing mechanism is arranged inside the mounting cylinder 1 for controlling the fixing of the fixing seat; the drilling tool device also includes a lifting platform, a lifting control cylinder is rotatably installed on the lifting platform, and a centering rod is rotatably arranged on the lifting platform; a fixed electric cylinder is rotatably arranged inside the lifting control cylinder, and the fixed electric cylinder is located inside the mounting cylinder 2 and fixes the mounting cylinder 2 to lift the fixing seat; a control mechanism is arranged inside the lifting control cylinder for controlling the fixing state of the fixing mechanism on the fixing seat.

[0005] Furthermore, inclined grooves are provided on both sides of the fixed seat, and a spring 1 is connected between the fixed seat and the logging while drilling drill tool assembly; a push frame is telescopically arranged in the axial direction of the logging while drilling drill tool assembly, and a spring 2 is connected between the push frame and the logging while drilling drill tool assembly, and an extrusion wheel is provided on the push frame, and the extrusion wheel slides in cooperation with the inclined groove to push the fixed seat to move, and a push wheel is also provided on the push frame, and the push frame is controlled and fixed by a fixing mechanism.

[0006] Furthermore, the fixing mechanism includes a limit push seat telescopically arranged inside the mounting cylinder one, a limit portion being provided at one end of the limit push seat, and the limit portion being used for limiting the push wheel; a push rod being provided at the other end of the limit push seat, and a spring three being connected between the limit push seat and the mounting cylinder one; a fixing plate being telescopically arranged inside the mounting cylinder one for lifting and lowering, a clamping shaft being provided on the fixing plate, and the clamping shaft cooperating with one end of the limit push seat to fix the limit push seat, and a spring four being connected between the fixing plate and the mounting cylinder one; the fixing plate and the push rod are respectively driven by a control mechanism.

[0007] Furthermore, a fixing hole is opened on the inner side of the second mounting tube, and a control electric cylinder is provided at the bottom end of the second mounting tube. The control electric cylinder is used to control the movement of the support roller plate, and a ball is provided on the support roller plate.

[0008] Furthermore, the hoisting platform is set up in a hoisting form, and an azimuth motor is provided at the top of the hoisting platform for driving the hoisting control cylinder. A control motor is provided on the hoisting platform, and a gear 1 is provided on the output shaft of the control motor. A gear ring is rotatably installed on the hoisting platform, and the gear ring is engaged with gear 1. A connecting gear is provided at one end of the centering rod, and the connecting gear is engaged with the gear ring.

[0009] Furthermore, a deflection motor is provided inside the lifting control cylinder to drive a fixed electric cylinder. A fixed shaft is provided on the telescopic rod of the fixed electric cylinder, and a displacement detection rod is telescopically provided on the fixed shaft. A displacement sensor is connected between the displacement detection rod and the fixed shaft to output a displacement signal to feedback the displacement detection rod.

[0010] Furthermore, the control mechanism includes a motor 1, a screw 1 and a guide rod 1 arranged inside the lifting control cylinder. The motor 1 is used to drive the screw 1. A slide is movably arranged on the screw 1 and the guide rod 1. The slide and the screw 1 form a spiral pair, and a connecting rod is connected to the slide. A base is provided at the bottom end of the connecting rod.

[0011] Furthermore, a pushing electric cylinder is provided on the sliding seat, a pushing platform is provided on the telescopic rod of the pushing electric cylinder, a connecting rod is rotatably installed on the pushing platform, and a deflection push rod is rotatably installed on the base, the deflection push rod is rotatably connected to one end of the connecting rod, and a deflection push wheel is provided at one end of the deflection push rod; the fixed plate is pushed by the base, and the push rod is pushed by the deflection push wheel.

[0012] Compared with the prior art, the present invention has the following beneficial effects: (1) the centering rod is rotated and contacts the inner wall of the second installation tube, so that the hoisting control tube is concentrically adjusted in the second installation tube, that is, the axis of the hoisting control tube coincides with the drilling tool assembly for logging while drilling; (2) the displacement detection rod is inserted into the fixing hole, and the position sensor outputs a displacement signal of the displacement detection rod to judge the fixing angle, and the fixing of the second installation tube is achieved by controlling the matching of the fixing shaft with the fixing hole; (3) the push wheel is limited by the limiting part, and the clamping shaft fixes the limiting push seat, thereby achieving two-stage limiting fixation, ensuring the stability of the fixing state of the fixing seat and the clamping groove inside the drill pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0014] Figure 2 This is a schematic diagram of the installation structure of the logging while drilling drilling tool assembly of the present invention.

[0015] Figure 3 It is a schematic diagram of the structure of the fixing seat of the present invention.

[0016] Figure 4 It is a schematic diagram of the push frame structure of the present invention.

[0017] Figure 5 It is a schematic diagram of the orthographic projection structure of the push frame of the present invention.

[0018] Figure 6 This is a schematic structural diagram of the mounting tube 1 and the mounting tube 2 of the present invention.

[0019] Figure 7 This is a schematic diagram of the supporting roller structure of the present invention.

[0020] Figure 8 It is a structural schematic diagram of the hoisting platform of the present invention.

[0021] Figure 9 This is a structural diagram of the hoisting control cylinder of the present invention.

[0022] Figure 10 This is a schematic diagram of the internal structure of the hoisting control cylinder of the present invention.

[0023] Figure 11 Schematic diagram of the control mechanism structure of the present invention.

[0024] Figure 12 This is a schematic diagram of the installation structure of the slide and base of the present invention.

[0025] Figure 13 It is a schematic diagram of the local structure of the control mechanism of the present invention.

[0026] Figure 1: 1-drill pipe; 2-logging while drilling tool assembly; 3-fixed seat; 4-chute; 5-spring 1; 6-extrusion wheel; 7-push frame; 8-spring 2; 9-push wheel; 10-limited push seat; 11-spring 3; 12-limiting part; 13-mounting cylinder 1; 14-mounting cylinder 2; 15-fixed plate; 16-clamping shaft; 17-spring 4; 18-push rod; 19-control electric cylinder; 20-support roller; 21-hoisting platform; 22-control motor ;23-gear 1;24-gear ring;25-azimuth motor;26-hoisting control cylinder;27-centering rod;28-connecting gear;29-fixed electric cylinder;30-deflection motor;31-fixed shaft;32-displacement detection rod;33-motor 1;34-screw 1;35-guide rod 1;36-slide;37-base;38-connecting rod;39-pushing electric cylinder;40-push platform;41-deflection push rod;42-connecting rod;43-deflection push wheel. DETAILED DESCRIPTION

[0027] Example: Figures 1 to 13 As shown, a salvageable logging while drilling drilling tool device comprises a drill pipe 1, a logging while drilling drilling tool assembly 2 is arranged inside the drill pipe 1, a card slot is opened on the inner side of the drill pipe 1, a fixing seat 3 is telescopically arranged on the logging while drilling drilling tool assembly 2, and the fixing seat 3 cooperates with the card slot for fixing; a mounting cylinder 13 is arranged on the top of the logging while drilling drilling tool assembly 2, a mounting cylinder 2 14 is arranged on the top of the mounting cylinder 13, and a supporting roller 20 is slidably arranged inside the mounting cylinder 2 14; a fixing plate 13 is arranged inside the mounting cylinder 13 Mechanism for controlling the fixing of the fixed seat 3; the drilling tool device also includes a lifting platform 21, on which a lifting control cylinder 26 is rotatably installed, and a centering rod 27 is rotatably provided on the lifting platform 21; a fixed electric cylinder 29 is rotatably provided inside the lifting control cylinder 26, and the fixed electric cylinder 29 is located inside the mounting cylinder 2 14 and fixes the mounting cylinder 2 14 to lift the fixed seat 3; a control mechanism is provided inside the lifting control cylinder 26 for controlling the fixing state of the fixing mechanism on the fixed seat 3.

[0028] An inclined groove 4 is provided on both sides of the fixed seat 3, and a spring 5 is connected between the fixed seat 3 and the logging while drilling drill tool assembly 2; a push frame 7 is telescopically provided in the axial direction of the logging while drilling drill tool assembly 2, and a spring 2 8 is connected between the push frame 7 and the logging while drilling drill tool assembly 2, and an extrusion wheel 6 is provided on the push frame 7, and the extrusion wheel 6 slides with the inclined groove 4 to push the fixed seat 3 to move, and a push wheel 9 is also provided on the push frame 7. The push frame 7 is controlled and fixed by a fixing mechanism, and the fixing mechanism includes a limit push seat 10 telescopically provided inside the mounting cylinder 13, and a limit portion 12 is provided at one end of the limit push seat 10, and the limit portion 12 is used to limit the push wheel 9; the limit push seat 10 A push rod 18 is provided at the other end, and a spring three 11 is connected between the limit push seat 10 and the mounting cylinder 13; a fixed plate 15 is provided inside the mounting cylinder 13 for lifting and telescoping, and a card shaft 16 is provided on the fixed plate 15. The card shaft 16 cooperates with one end of the limit push seat 10 to fix the limit push seat 10, and a spring four 17 is connected between the fixed plate 15 and the mounting cylinder 13; the fixed plate 15 and the push rod 18 are respectively driven by a control mechanism; a fixing hole is provided on the inner side of the mounting cylinder 2 14, and a control electric cylinder 19 is provided at the bottom end of the mounting cylinder 2 14. The control electric cylinder 19 is used to control the movement of the support roller 20, and a ball is provided on the support roller 20.

[0029] The hoisting platform 21 is set up in a hoisting form. An azimuth motor 25 is provided at the top of the hoisting platform 21 for driving a hoisting control cylinder 26. A control motor 22 is provided on the hoisting platform 21. A gear 23 is provided on the output shaft of the control motor 22, and a ring gear 24 is rotatably installed on the hoisting platform 21, and the ring gear 24 is engaged with the gear 23. A connecting gear 28 is provided at one end of the centering rod 27, and the connecting gear 28 is engaged with the ring gear 24; a deflection motor 30 is provided inside the hoisting control cylinder 26 for driving a fixed electric cylinder 29, a fixed shaft 31 is provided on the telescopic rod of the fixed electric cylinder 29, and a displacement detection rod 32 is telescopically provided on the fixed shaft 31, and a displacement sensor is connected between the displacement detection rod 32 and the fixed shaft 31 to output a displacement signal of the displacement detection rod 32 for feedback.

[0030] The control mechanism includes a motor 33, a screw rod 34 and a guide rod 35 arranged inside the lifting control cylinder 26. The motor 33 is used to drive the screw rod 34. A slide 36 is movably arranged on the screw rod 34 and the guide rod 35. The slide 36 and the screw rod 34 form a spiral pair, and a connecting rod 38 is connected to the slide 36. The bottom end of the connecting rod 38 is provided with a base 37; a pushing electric cylinder 39 is provided on the slide 36, and a push platform 40 is provided on the telescopic rod of the pushing electric cylinder 39. A connecting rod 42 is rotatably installed on the push platform 40, and a deflection push rod 41 is rotatably installed on the base 37. The deflection push rod 41 is rotatably connected to one end of the connecting rod 42, and a deflection push wheel 43 is provided at one end of the deflection push rod 41; the fixed plate 15 is pushed by the base 37, and the push rod 18 is pushed by the deflection push wheel 43.

[0031] Working principle: The installation and fixation of the logging while drilling drilling tool assembly 2 is realized by cooperating between the fixing seat 3 and the card groove inside the drill pipe 1, and the limiting part 12 at one end of the limiting push seat 10 limits the push wheel 9 to limit the movement of the push frame 7; when performing the salvage operation, the fixed state between the drill pipe 1 and the logging while drilling drilling tool assembly 2 is first released; specifically, the lifting control cylinder 26 is located in the installation cylinder 2 14 by lifting, and the lifting control cylinder 26 is supported by the supporting roller 20, and the motor 22 is controlled to work and the gear ring 24 is rotated to rotate the centering rod 27, and the centering rod 27 is in contact with the inner wall of the installation cylinder 2 14, so that the lifting control cylinder 26 is concentrically adjusted in the installation cylinder 2 14, that is, the lifting control cylinder 26 is in the installation cylinder 2 14. The axis of the cylinder 26 coincides with the logging while drilling drill bit assembly 2; the azimuth motor 25 works, that is, controls the rotation of the lifting control cylinder 26 to adjust the angle, and drives the fixed electric cylinder 29 to deflect through the deflection motor 30, and the fixed electric cylinder 29 deflects to the outside of the lifting control cylinder 26. The deflection motor 30 controls the movement of the fixed shaft 31, and the displacement detection rod 32 contacts the inner side of the installation cylinder 14. When the displacement detection rod 32 corresponds to the fixing hole inside the installation cylinder 14, the displacement detection rod 32 is inserted into the fixing hole, and the position sensor outputs a displacement signal of the displacement detection rod 32, that is, judges the fixed angle, and controls the fixed shaft 31 to cooperate with the fixing hole to achieve fixation of the installation cylinder 14; and subsequent lifting can be carried out.

[0032] Furthermore, by controlling the electric cylinder 19 to control the support roller 20 to move outward, the motor 33 works, the screw 34 rotates, the slide 36 moves and is located inside the mounting cylinder 13, the base 37 pushes the fixed plate 15, so that the card shaft 16 on the fixed plate 15 is disengaged from one end of the limit push seat 10, and then the electric cylinder 39 is pushed to work, the push table 40 moves, and under the connection action of the connecting rod 42, the deflection push rod 41 deflects, and the deflection push wheel 43 pushes the push rod 18, so that the limit The push seat 10 moves, the limiting part 12 moves and releases the limit on the push wheel 9, the inclined area on the limiting push seat 10 pushes the push wheel 9, so that the push frame 7 moves, and the extrusion wheel 6 moves in the inclined groove 4 to push the fixed seat 3, and the fixed seat 3 extends inward to release the fixed state with the drill rod 1; the push wheel 9 is limited by the limiting part 12, and the clamping shaft 16 fixes the limiting push seat 10, realizing two-level limiting fixation, ensuring that the fixed state of the fixed seat 3 and the inner clamping groove of the drill rod 1 is stable.

Claims

1. A salvageable logging while drilling (LWD) drilling tool device, comprising a drill pipe (1), a logging while drilling (LWD) drilling tool assembly (2) disposed inside the drill pipe (1), a retaining groove being provided on the inner side of the drill pipe (1), a fixing seat (3) being telescopically provided on the LWD drilling tool assembly (2), the fixing seat (3) cooperating with the retaining groove for fixation; characterized in that: A mounting cylinder (13) is provided on the top of the logging while drilling drilling tool assembly (2), a mounting cylinder (14) is provided on the top of the mounting cylinder (13), and a supporting roller (20) is slidably provided inside the mounting cylinder (14); a fixing mechanism is provided inside the mounting cylinder (13) for controlling the fixing seat (3); the drilling tool device also includes a hoisting platform (21), a hoisting control cylinder (26) is rotatably installed on the hoisting platform (21), and a centering rod (27) is rotatably provided on the hoisting platform (21); a fixed electric cylinder (29) is rotatably provided inside the hoisting control cylinder (26), and the fixed electric cylinder (29) is located inside the mounting cylinder (14) and fixes the mounting cylinder (14) to hoist the fixing seat (3); a control mechanism is provided inside the hoisting control cylinder (26) for controlling the fixing state of the fixing mechanism on the fixing seat (3); The fixed seat (3) is provided with inclined grooves (4) on both sides, and a spring (5) is connected between the fixed seat (3) and the logging while drilling tool assembly (2); a push frame (7) is provided to be telescopic in the axial direction of the logging while drilling tool assembly (2), and a spring (8) is connected between the push frame (7) and the logging while drilling tool assembly (2); an extrusion wheel (6) is provided on the push frame (7), and the extrusion wheel (6) is slidably matched with the inclined groove (4) to push the fixed seat (3) to move; a push wheel (9) is also provided on the push frame (7), and the push frame (7) is controlled and fixed by a fixing mechanism; The fixing mechanism includes a limiting push seat (10) which is telescopically arranged inside the installation cylinder (13), a limiting portion (12) is provided at one end of the limiting push seat (10), and the limiting portion (12) is used to limit the push wheel (9); a push rod (18) is provided at the other end of the limiting push seat (10), and a spring (11) is connected between the limiting push seat (10) and the installation cylinder (13); a fixing plate (15) is provided inside the installation cylinder (13) so as to be lifted and telescopic, and a clamping shaft (16) is provided on the fixing plate (15), and the clamping shaft (16) cooperates with one end of the limiting push seat (10) to fix the limiting push seat (10), and a spring (17) is connected between the fixing plate (15) and the installation cylinder (13); the fixing plate (15) and the push rod (18) are driven by the control mechanism respectively; The control mechanism includes a motor (33), a screw (34) and a guide rod (35) arranged inside the hoisting control cylinder (26), the motor (33) is used to drive the screw (34), a slide (36) is movably arranged on the screw (34) and the guide rod (35), the slide (36) and the screw (34) form a spiral pair, and a connecting rod (38) is connected to the slide (36), and a base (37) is provided at the bottom end of the connecting rod (38); The slide (36) is provided with a pushing electric cylinder (39), a pushing platform (40) is provided on the telescopic rod of the pushing electric cylinder (39), a connecting rod (42) is rotatably mounted on the pushing platform (40), and a deflection push rod (41) is rotatably mounted on the base (37), the deflection push rod (41) is rotatably connected to one end of the connecting rod (42), and a deflection push wheel (43) is provided at one end of the deflection push rod (41); the fixed plate (15) is pushed by the base (37), and the push rod (18) is pushed by the deflection push wheel (43).

2. The salvageable logging-while-drilling drilling tool device according to claim 1, characterized in that: A fixing hole is provided on the inner side of the second mounting tube (14), and a control electric cylinder (19) is provided at the bottom end of the second mounting tube (14). The control electric cylinder (19) is used to control the movement of the support roller (20), and a ball is provided on the support roller (20).

3. The salvageable logging-while-drilling drilling tool device according to claim 1, characterized in that: The hoisting platform (21) is set in a hoisting manner. An azimuth motor (25) is set at the top of the hoisting platform (21) for driving a hoisting control cylinder (26). A control motor (22) is set on the hoisting platform (21). A gear 1 (23) is set on the output shaft of the control motor (22). A ring gear (24) is rotatably installed on the hoisting platform (21). The ring gear (24) is engaged with the gear 1 (23). A connecting gear (28) is set at one end of the centering rod (27). The connecting gear (28) is engaged with the ring gear (24).

4. The salvageable logging-while-drilling drilling tool device according to claim 3, characterized in that: A deflection motor (30) is provided inside the hoisting control cylinder (26) for driving a fixed electric cylinder (29). A fixed shaft (31) is provided on the telescopic rod of the fixed electric cylinder (29), and a displacement detection rod (32) is telescopically provided on the fixed shaft (31). A displacement sensor is connected between the displacement detection rod (32) and the fixed shaft (31) to output a displacement signal of the displacement detection rod (32) for feedback.

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