CN103437703B - Oil-water well oil layer ground control underground horizontal drilling device - Google Patents
Oil-water well oil layer ground control underground horizontal drilling device Download PDFInfo
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- CN103437703B CN103437703B CN201310323780.9A CN201310323780A CN103437703B CN 103437703 B CN103437703 B CN 103437703B CN 201310323780 A CN201310323780 A CN 201310323780A CN 103437703 B CN103437703 B CN 103437703B
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- 238000005553 drilling Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 210000004907 gland Anatomy 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims description 27
- 210000002445 nipple Anatomy 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 15
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 238000000605 extraction Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000005056 compaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The invention relates to the technical field of oil field oil extraction engineering, and belongs to an underground horizontal drilling device for oil-water well oil layer ground control. The invention is designed for overcoming the potential safety hazards of electric leakage and the like of the existing perforation and drilling equipment. The novel drilling machine mainly comprises a lead screw (2), a gear (3), a bearing (4), a bearing seat (5), a limiting cover (6), a stepping motor seat (7), a bearing gland (8), a lead screw lower joint (9), a traveling piston (10), a large piston cylinder (12), a light pipe (13), a stepping motor sleeve (14), an inner hexagon bolt (15), a cable connecting wire (16), a stepping motor (17), an upper computer (18), a fixed piston (22), a rotary joint (23), a lead screw lower joint (24), a coupling (25), an oil pipe (26), a pressure gauge joint (27), a pressure gauge (28), a pressure pump (29), a positioning joint (30), a drilling gun main body (31), a casing pipe window opener (40) and a sandstone hole opener (70). The device has the advantages of simple and accurate control, no damage to the sleeve, deep hole drilling and the like.
Description
Technical field: the present invention relates to oil extraction in oil field field of engineering technology, belongs to horizontal drilling device under the control well of a kind of oil-water well oil layer ground.
Background technology: at present, field use flood type fixed point abrasive material perforating apparatus, comprise pump truck, mixed husky car, fill with car and downhole perforation equipment, this complete equipment cost compare is high, and perforating depth is comparatively large by the impact of confined pressure, has damage significantly sleeve pipe; Waterpower's design jet perforating technology is a kind of perforating technology for oil field transformation that development in recent years is got up, also be a kind of storey increase design technique of field use, but waterpower's design jet perforating apparatus structure also more complicated, mainly comprise ground pump truck, tank car and downhole perforation machine, because this device structure is complicated, harsh to water quality requirement in work progress, winter cannot construction operation, cause site operation success rate low, and define compaction band near wellbore zone, greatly reduce the flow conductivity of oil-water well near wellbore zone.In oil-water well oil layer positioning deep penetration horizontal drilling device (notification number: CN101158271), in the form of a carrier ground control signal is passed to down-hole horizontal boring machine by power cable, drill bit, the rotation of flexible axle and the feeding of drill bit is realized by down-hole horizontal boring machine, and rotating speed, the pressure of the drill, feed speed are regulated, the test feedback signals such as the pressure of the drill of down-hole horizontal boring machine, torque, rotating speed are delivered on ground computer simultaneously, but voltage practical in operating process is at the scene 1KV, there is the potential safety hazards such as device electric leakage.In order to overcome the deficiency of existing several perforation, rig, the invention provides horizontal drilling device under the control well of a kind of oil-water well oil layer ground.
Summary of the invention: the object of the invention is to devise and adopt hydraulic pressure to provide power, can get out in sleeve pipe, cement sheath and reservoir that eyelet is dark, aperture large, there is no a kind of oil-water well oil layer ground control well of the lateral aperture of compaction band under horizontal drilling device.
Technical scheme of the present invention is: the present invention is primarily of top connection, leading screw, gear, bearing, bearing support, limited cover, stepper motor seat, bearing gland, leading screw lower contact, travelling piston, center tap, large piston rod, light pipe, stepper motor axle sleeve, hexagon socket head cap screw, cable link, stepper motor, host computer, " O " RunddichtringO, lower contact), fixed piston, swivel joint, leading screw lower contact, box cupling, oil pipe, pressure tap, pressure gauge, force (forcing) pump, landing nipple, bore gun main body, casing sidetracking device and sandstone Tapper composition, wherein the lower end of top connection is connected with leading screw threaded upper ends, the lower end of leading screw is threaded with leading screw lower contact, gear is connected with threads of lead screw, bearing holder (housing, cover) is contained on leading screw, and be positioned on bearing support, bearing support is threaded with center tap, stepper motor cover for seat is contained on bearing support, limited cover is threaded with bearing support, and it is spacing to stepper motor seat, bearing holder (housing, cover) is contained on leading screw, and it is spacing by bearing gland, bearing gland is threaded with gear, the lower end of leading screw lower contact is connected with the threaded upper ends of light pipe, travelling piston bush is contained on light pipe, travelling piston and large piston rod, light pipe is by the sealing of " O " RunddichtringO, center tap lower end is connected with large piston rod tubing round thread, stepper motor axle sleeve is connected with gear, be connected and fixed by hexagon socket head cap screw between stepper motor seat and stepper motor, stepper motor is connected by cable link with host computer, the lower end of large piston rod is connected by tubing round thread with the upper end of lower contact, the lower end of lower contact is connected with the threaded upper ends of swivel joint, the lower end of swivel joint is connected with oil pipe tubing round thread, by the sealing of " O " RunddichtringO between swivel joint and lower contact, relief fittings is connected with the flank threads of lower contact, fixed piston is sleeved on light pipe, and be arranged on the inside of lower contact, fixed piston and light pipe, by the sealing of " O " RunddichtringO between lower contact, the lower end of light pipe is connected with leading screw lower contact threaded upper ends, the lower end of leading screw lower contact is threaded with collar oil line, box cupling is connected with casing sidetracking device or sandstone Tapper tubing round thread, landing nipple is sleeved in oil pipe, oil pipe is connected with brill gun main body tubing round thread, to bore in gun main body with "? " type flexible axle passage, pressure tap left end is connected with lower contact flank threads, pressure tap right-hand member is threaded with pressure gauge, force (forcing) pump is connected with lower contact flank threads.
Casing sidetracking device is made up of " O " RunddichtringO, box cupling, oil pipe, top connection, central tube, limit base, helicoid hydraulic motor protective sleeve, screw drill, variable buckle joint, drive link, jointing, flexible axle protective sleeve, solid flexible axle, guide sub, microbit, wherein oil pipe is connected with top connection upper end tubing round thread, top connection lower end is connected with central tube threaded upper ends, and by the sealing of " O " RunddichtringO, limit base is sleeved on central tube, and located by positioning step, central tube lower end is connected with screw drill upper end tubing round thread, screw drill lower end is connected with variable buckle joint tubing round thread, variable buckle joint is connected with drive link upper end tubing round thread, drive link lower end is connected with the threaded upper ends of solid flexible axle, solid flexible axle is threaded with microbit, limit base and helicoid hydraulic motor protective sleeve upper end are threaded connection, helicoid hydraulic motor protective sleeve lower end is threaded with collar oil line, box cupling is connected with oil pipe upper end tubing round thread, oil pipe lower end is connected with jointing upper end tubing round thread, jointing lower end is connected with flexible axle protective sleeve threaded upper ends, flexible axle protective sleeve lower end is connected with guide sub threaded upper ends, guide sub lower end is positioned the locating surface place of landing nipple by its conical surface.
Sandstone Tapper by bearing, " O " RunddichtringO, box cupling, oil pipe, track short circuit, track pin nail seat, track pin, positioning wrap, seal nipple, rotating shaft overcoat, spring, rotating shaft, shear pin nail seat, cut off pin, screw rod, rifle nut, reducer union, crossover sub, high-pressure hose, hose protective sleeve, guiding cap, nozzle form, wherein box cupling is connected with track short circuit upper end tubing round thread, track short circuit lower end is connected with seal nipple threaded upper ends, and by the sealing of " O " RunddichtringO, spring housing is contained in the upper end of rotating shaft, rotating shaft overcoat and bearing are set in the lower end of rotating shaft, seal nipple lower end is connected with rotating shaft overcoat threaded upper ends, and by the sealing of " O " RunddichtringO, bearing and spring are sleeved on the middle-end of rotating shaft successively, rotating shaft lower end is connected with shear pin nail seat threaded upper ends, and by the sealing of " O " RunddichtringO, track pin cover for seat is contained on track short circuit, and it is spacing by track pin, track pin nail seat is connected with positioning wrap threaded upper ends, locate by cutting off pin between positioning wrap and shear pin nail seat, shear pin nail seat lower end is threaded with screw rod, and by the sealing of " O " RunddichtringO, positioning wrap lower end is connected with rifle nut threaded upper ends, rifle nut lower end is connected with reducer union threaded upper ends, reducer union lower end is connected with hose protective sleeve threaded upper ends, hose protective sleeve lower end is threaded with guiding cap, screw rod is threaded by T-shape with rifle nut, screw rod lower end is connected with crossover sub upper end tubing round thread, crossover sub lower end is connected with high-pressure hose threaded upper ends, high-pressure hose lower end is connected with nozzle threads.
Compared with the prior art the present invention has following beneficial effect: owing to taking such scheme, the lateral aperture can get out in sleeve pipe, cement sheath and reservoir that eyelet is dark, aperture is large, not having compaction band, eliminate the compaction band that causes of conventional perforation, have control simply, do not damage sleeve pipe, can the advantage such as drilling deep hole.
Accompanying drawing illustrates: be structural representation of the present invention after Fig. 1, Fig. 2, Fig. 3 are linked in sequence from top to bottom;
It is the structural representation of casing sidetracking device 40 after Fig. 4, Fig. 5 are linked in sequence from top to bottom;
It is the structural representation of sandstone Tapper 70 after Fig. 6, Fig. 7 are linked in sequence from top to bottom.
Detailed description of the invention: the invention will be further described below in conjunction with accompanying drawing:
Shown in Fig. 1-Fig. 3, the present invention is primarily of top connection 1, leading screw 2, gear 3, bearing 4, bearing support 5, limited cover 6, stepper motor seat 7, bearing gland 8, leading screw lower contact 9, travelling piston 10, center tap 11, large piston rod 12, light pipe 13, stepper motor axle sleeve 14, hexagon socket head cap screw 15, cable link 16, stepper motor 17, host computer 18, " O " RunddichtringO 19, lower contact 20, fixed piston 22, swivel joint 23, leading screw lower contact 24, box cupling 25, oil pipe 26, pressure tap 27, pressure gauge 28, force (forcing) pump 29, landing nipple 30, bore gun main body 31, casing sidetracking device 40 and sandstone Tapper 70 form, wherein the lower end of top connection 1 is connected with leading screw 2 threaded upper ends, the lower end of leading screw 2 is threaded with leading screw lower contact 9, gear 3 is threaded with leading screw 2, bearing 4 is sleeved on leading screw 2, and be positioned on bearing support 5, bearing support 5 is threaded with center tap 11, stepper motor seat 7 is sleeved on bearing support 5, limited cover 6 is threaded with bearing support 5, and it is spacing to stepper motor seat 7, bearing 4 is sleeved on leading screw 2, and it is spacing by bearing gland 8, bearing gland 8 is threaded with gear 3, the lower end of leading screw lower contact 9 is connected with the threaded upper ends of light pipe 13, travelling piston 10 is sleeved on light pipe 13, travelling piston 10 and large piston rod 12, light pipe 13 is sealed by " O " RunddichtringO 19, center tap 11 lower end is connected with large piston rod 12 tubing round thread, stepper motor axle sleeve 14 is connected with gear 3, be connected and fixed by hexagon socket head cap screw 15 between stepper motor seat 7 and stepper motor 17, stepper motor 17 is connected by cable link 16 with host computer 18, the lower end of large piston rod 12 is connected by tubing round thread with the upper end of lower contact 20, the lower end of lower contact 20 is connected with the threaded upper ends of swivel joint 23, the lower end of swivel joint 23 is connected with oil pipe 26 tubing round thread, sealed by " O " RunddichtringO 19 between swivel joint 23 and lower contact 20, relief fittings 21 is connected with the flank threads of lower contact 20, fixed piston 22 is sleeved on light pipe 13, and be arranged on the inside of lower contact 20, fixed piston 22 and light pipe 13, sealed by " O " RunddichtringO 19 between lower contact 20, the lower end of light pipe 13 is connected with leading screw lower contact 24 threaded upper ends, the lower end of leading screw lower contact 24 is connected with box cupling 25 tubing round thread, box cupling 25 is connected with casing sidetracking device 40 or sandstone Tapper 70 tubing round thread, landing nipple 30 is sleeved on 26 li, oil pipe, oil pipe 26 is connected with brill gun main body 31 tubing round thread, to bore in gun main body 31 with "? " type flexible axle passage 31, pressure tap 27 left end is connected with lower contact 20 flank threads, pressure tap 27 right-hand member is threaded with pressure gauge 28, force (forcing) pump 29 is connected with lower contact 20 flank threads.
Shown in Fig. 4 and Fig. 5, casing sidetracking device 40 is made up of " O " RunddichtringO 19, box cupling 25, oil pipe 26, top connection 41, central tube 42, limit base 43, helicoid hydraulic motor protective sleeve 44, screw drill 45, variable buckle joint 46, drive link 47, jointing 48, flexible axle protective sleeve 49, solid flexible axle 50, guide sub 51, microbit 52, wherein oil pipe 26 is connected with top connection 41 upper end tubing round thread, top connection 41 lower end is connected with central tube 42 threaded upper ends, and sealed by " O " RunddichtringO 19, limit base 43 is sleeved on central tube 42, and located by positioning step, central tube 42 lower end is connected with screw drill 45 upper end tubing round thread, screw drill 45 lower end is connected with variable buckle joint 46 tubing round thread, variable buckle joint 46 is connected with drive link 47 upper end tubing round thread, drive link 47 lower end is connected with the threaded upper ends of solid flexible axle 50, solid flexible axle 50 is threaded with microbit 52, limit base 43 and helicoid hydraulic motor protective sleeve 44 upper end are threaded connection, helicoid hydraulic motor protective sleeve 44 lower end is connected with box cupling 25 tubing round thread, box cupling 25 is connected with oil pipe 26 upper end tubing round thread, oil pipe 26 lower end is connected with jointing 48 upper end tubing round thread, jointing 48 lower end is connected with flexible axle protective sleeve 49 threaded upper ends, flexible axle protective sleeve 49 lower end is connected with guide sub 51 threaded upper ends, guide sub 51 lower end is positioned the locating surface place of landing nipple 30 by its conical surface.
Shown in Fig. 6 and Fig. 7, sandstone Tapper 70 by bearing 4, " O " RunddichtringO 19, box cupling 25, oil pipe 26, track short circuit 71, track pin nail seat 72, track pin 73, positioning wrap 74, seal nipple 75, rotating shaft overcoat 76, spring 77, rotating shaft 78, shear pin nail seat 79, cut off pin 80, screw rod 81, rifle nut 82, reducer union 83, crossover sub 84, high-pressure hose 85, hose protective sleeve 86, guiding cap 87, nozzle 88 form, wherein box cupling 25 is connected with track short circuit 71 upper end tubing round thread, track short circuit 71 lower end is connected with seal nipple 75 threaded upper ends, and sealed by " O " RunddichtringO 19, spring 77 is sleeved on the upper end of rotating shaft 78, rotating shaft overcoat 76 and bearing 4 are set in the lower end of rotating shaft 78, seal nipple 75 lower end is connected with rotating shaft overcoat 76 threaded upper ends, and sealed by " O " RunddichtringO 19, bearing 4 and spring 77 are sleeved on the middle-end of rotating shaft 78 successively, rotating shaft 78 lower end is connected with shear pin nail seat 79 threaded upper ends, and sealed by " O " RunddichtringO 19, track pin nail seat 72 is sleeved on track short circuit 71, and it is spacing by track pin 73, track pin nail seat 72 is connected with positioning wrap 74 threaded upper ends, locate by cutting off pin 80 between positioning wrap 74 and shear pin nail seat 79, shear pin nail seat 79 lower end is threaded with screw rod 81, and sealed by " O " RunddichtringO 19, positioning wrap 74 lower end is connected with rifle nut 82 threaded upper ends, rifle nut 82 lower end is connected with reducer union 83 threaded upper ends, reducer union 83 lower end is connected with hose protective sleeve 86 threaded upper ends, hose protective sleeve 86 lower end is threaded with guiding cap 87, screw rod 81 is threaded by T-shape with rifle nut 82, screw rod 81 lower end is connected with crossover sub 84 upper end tubing round thread, crossover sub 84 lower end is connected with high-pressure hose 85 threaded upper ends, high-pressure hose 85 lower end is threaded with nozzle (88).
The nozzle 88 that sandstone Tapper 70 uses is a kind of Novel hydraulic spray nozzle for carrying out high-pressure hydraulic deep penetration horizontal drilling disclosed in patent No. ZL201020177781.9 patent.
When carrying out horizontal drilling at the scene, first utilize oil pipe 26 to arrive target zone position by under the present invention, then utilize oil pipe 26 that casing sidetracking device is arrived landing nipple 30 place of boring gun main body 31 top 40 times, carry out casing sidetracking, after completing, trip out casing sidetracking device 40; Finally utilize oil pipe 26 by sandstone Tapper 70 times landing nipple 30 places to brill gun main body 31 top, carry out the perforate of oil reservoir position, perforate completes mouth, and trip out sandstone Tapper 70, all drilled hole completes.
Claims (3)
1. a horizontal drilling device under the control well of oil-water well oil layer ground, is characterized in that: it is by top connection (1), leading screw (2), gear (3), bearing (4), bearing support (5), limited cover (6), stepper motor seat (7), bearing gland (8), leading screw lower contact (9), travelling piston (10), center tap (11), large piston rod (12), light pipe (13), stepper motor axle sleeve (14), hexagon socket head cap screw (15), cable link (16), stepper motor (17), host computer (18), " O " RunddichtringO (19), lower contact (20), fixed piston (22), swivel joint (23), leading screw lower contact (24), box cupling (25), oil pipe (26), pressure tap (27), pressure gauge (28), force (forcing) pump (29), landing nipple (30), bore gun main body (31), casing sidetracking device (40) and sandstone Tapper (70) composition, the lower end of wherein top connection (1) is connected with leading screw (2) threaded upper ends, the lower end of leading screw (2) is threaded with leading screw lower contact (9), gear (3) is threaded with leading screw (2), bearing (4) is sleeved on leading screw (2), and be positioned on bearing support (5), bearing support (5) is threaded with center tap (11), stepper motor seat (7) is sleeved on bearing support (5), limited cover (6) is threaded with bearing support (5), and it is spacing to stepper motor seat (7), bearing (4) is sleeved on leading screw (2), and it is spacing by bearing gland (8), bearing gland (8) is threaded with gear (3), the lower end of leading screw lower contact (9) is connected with the threaded upper ends of light pipe (13), travelling piston (10) is sleeved on light pipe (13), travelling piston (10) and large piston rod (12), light pipe (13) is by " O " RunddichtringO (19) sealing, center tap (11) lower end is connected with large piston rod (12) tubing round thread, stepper motor axle sleeve (14) is connected with gear (3), be connected and fixed by hexagon socket head cap screw (15) between stepper motor seat (7) and stepper motor (17), stepper motor (17) is connected by cable link (16) with host computer (18), the lower end of large piston rod (12) is connected by tubing round thread with the upper end of lower contact (20), the lower end of lower contact (20) is connected with the threaded upper ends of swivel joint (23), the lower end of swivel joint (23) is connected with oil pipe (26) tubing round thread, sealed by " O " RunddichtringO (19) between swivel joint (23) and lower contact (20), relief fittings (21) is connected with the flank threads of lower contact (20), fixed piston (22) is sleeved on light pipe (13), and be arranged on the inside of lower contact (20), fixed piston (22) and light pipe (13), by " O " RunddichtringO (19) sealing between lower contact (20), the lower end of light pipe (13) is connected with leading screw lower contact (24) threaded upper ends, the lower end of leading screw lower contact (24) is connected with box cupling (25) tubing round thread, box cupling (25) is connected with casing sidetracking device (40) or sandstone Tapper (70) tubing round thread, it is inner that landing nipple (30) is sleeved on oil pipe (26), oil pipe (26) is connected with brill gun main body (31) tubing round thread, to bore in gun main body (31) with "? " type flexible axle passage (31
/), pressure tap (27) left end is connected with lower contact (20) flank threads, pressure tap (27) right-hand member is threaded with pressure gauge (28), and force (forcing) pump (29) is connected with lower contact (20) flank threads.
2. horizontal drilling device under the control well of a kind of oil-water well oil layer ground according to claim 1, it is characterized in that: casing sidetracking device (40) is by " O " RunddichtringO (19), box cupling (25), oil pipe (26), top connection (41), central tube (42), limit base (43), helicoid hydraulic motor protective sleeve (44), screw drill (45), variable buckle joint (46), drive link (47), jointing (48), flexible axle protective sleeve (49), solid flexible axle (50), guide sub (51), microbit (52) forms, wherein oil pipe (26) is connected with top connection (41) upper end tubing round thread, top connection (41) lower end is connected with central tube (42) threaded upper ends, and by " O " RunddichtringO (19) sealing, limit base (43) is sleeved on central tube (42), and located by positioning step, central tube (42) lower end is connected with screw drill (45) upper end tubing round thread, screw drill (45) lower end is connected with variable buckle joint (46) tubing round thread, variable buckle joint (46) is connected with drive link (47) upper end tubing round thread, drive link (47) lower end is connected with the threaded upper ends of solid flexible axle (50), solid flexible axle (50) is threaded with microbit (52), limit base (43) and helicoid hydraulic motor protective sleeve (44) upper end are threaded connection, helicoid hydraulic motor protective sleeve (44) lower end is connected with box cupling (25) tubing round thread, box cupling (25) is connected with oil pipe (26) upper end tubing round thread, oil pipe (26) lower end is connected with jointing (48) upper end tubing round thread, jointing (48) lower end is connected with flexible axle protective sleeve (49) threaded upper ends, flexible axle protective sleeve (49) lower end is connected with guide sub (51) threaded upper ends, guide sub (51) lower end is positioned the locating surface place of landing nipple (30) by its conical surface.
3. horizontal drilling device under the control well of a kind of oil-water well oil layer ground according to claim 1, it is characterized in that: sandstone Tapper (70) is by bearing (4), " O " RunddichtringO (19), box cupling (25), oil pipe (26), track short circuit (71), track pin nail seat (72), track pin (73), positioning wrap (74), seal nipple (75), rotating shaft overcoat (76), spring (77), rotating shaft (78), shear pin nail seat (79), cut off pin (80), screw rod (81), rifle nut (82), reducer union (83), crossover sub (84), high-pressure hose (85), hose protective sleeve (86), guiding cap (87), nozzle (88) forms, wherein box cupling (25) is connected with track short circuit (71) upper end tubing round thread, track short circuit (71) lower end is connected with seal nipple (75) threaded upper ends, and by " O " RunddichtringO (19) sealing, spring (77) is sleeved on the upper end of rotating shaft (78), rotating shaft overcoat (76) and bearing (4) are set in the lower end of rotating shaft (78), seal nipple (75) lower end is connected with rotating shaft overcoat (76) threaded upper ends, and by " O " RunddichtringO (19) sealing, bearing (4) and spring (77) are sleeved on the middle-end of rotating shaft (78) successively, rotating shaft (78) lower end is connected with shear pin nail seat (79) threaded upper ends, and by " O " RunddichtringO (19) sealing, track pin nail seat (72) is sleeved on track short circuit (71), and it is spacing by track pin (73), track pin nail seat (72) is connected with positioning wrap (74) threaded upper ends, locate by cutting off pin (80) between positioning wrap (74) and shear pin nail seat (79), shear pin nail seat (79) lower end is threaded with screw rod (81), and by " O " RunddichtringO (19) sealing, positioning wrap (74) lower end is connected with rifle nut (82) threaded upper ends, rifle nut (82) lower end is connected with reducer union (83) threaded upper ends, reducer union (83) lower end is connected with hose protective sleeve (86) threaded upper ends, hose protective sleeve (86) lower end is threaded with guiding cap (87), screw rod (81) is threaded by T-shape with rifle nut (82), screw rod (81) lower end is connected with crossover sub (84) upper end tubing round thread, crossover sub (84) lower end is connected with high-pressure hose (85) threaded upper ends, high-pressure hose (85) lower end is threaded with nozzle (88).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310323780.9A CN103437703B (en) | 2013-07-22 | 2013-07-22 | Oil-water well oil layer ground control underground horizontal drilling device |
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| CN201310323780.9A CN103437703B (en) | 2013-07-22 | 2013-07-22 | Oil-water well oil layer ground control underground horizontal drilling device |
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| CN104563937A (en) * | 2014-12-23 | 2015-04-29 | 中国石油天然气股份有限公司 | Oil-water well constant drilling pressure casing windowing device |
| CN105525874B (en) * | 2015-12-03 | 2017-12-05 | 中国石油天然气集团公司 | Bore the rotation outlet device of radial water flat hole guider |
| CN108590528A (en) * | 2018-04-23 | 2018-09-28 | 裴绪建 | A kind of mechanical guide driving device |
| CN109342036A (en) * | 2018-10-15 | 2019-02-15 | 中国石油集团渤海钻探工程有限公司 | A kind of radially horizontal well casing pipe windowing experimental rig and test method |
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| CN201843521U (en) * | 2010-10-28 | 2011-05-25 | 大港油田集团有限责任公司 | Side tracking bent pipe guider |
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| CN103437703A (en) | 2013-12-11 |
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