CN104963628A - Coiled tubing drilling electric-hydraulic control orienting device - Google Patents
Coiled tubing drilling electric-hydraulic control orienting device Download PDFInfo
- Publication number
- CN104963628A CN104963628A CN201510358281.2A CN201510358281A CN104963628A CN 104963628 A CN104963628 A CN 104963628A CN 201510358281 A CN201510358281 A CN 201510358281A CN 104963628 A CN104963628 A CN 104963628A
- Authority
- CN
- China
- Prior art keywords
- output shaft
- sleeve
- lock sleeve
- axle
- urceolus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Retarders (AREA)
Abstract
The invention provides a coiled tubing drilling electric-hydraulic control orienting device which comprises a mandrel (20) and an output shaft (59) which are arranged from top to bottom in sequence. The mandrel (20) and the output shaft (59) are sleeved with an outer sleeve, the mandrel (20) is connected with the output shaft (59) through a locking mechanism, and the locking mechanism can lock and fix the output shaft (59) and the outer sleeve. According to the coiled tubing drilling electric-hydraulic control orienting device, the tool face can be continuously rotated in a bidirectional mode; when the tool face reaches a predetermined angle, hydraulic locking can be conducted through a single-acting hydraulic cylinder, and on the aspect of controlling the drilling direction and the well track of wells such as sidetracking wells and horizontal wells which are drilled through coiled tubing, the action is rapid, precise and reliable.
Description
Technical field
The present invention relates to oil exploration equipment and make field, particularly a kind of continuous-tube drilling well electricity hydraulic control bearing unit.
Background technology
Continuous-tube drilling well bearing unit is the core tool in continuous-tube drilling process, and it controls well direction by adjustment motor tool-face, determines the technical level of TRAJECTORY CONTROL in continuous-tube drilling process.Several stages such as the mechanical control of the development experience of bearing unit, hydraulic control, automatically controlled and electric hydraulic control.Mainly adopt electric hydraulic control and the high-end bearing unit such as automatically controlled at present abroad, it can continuous rotation, bidirectional oriented, and efficiency is high, precision is high, and can eliminate " the fish tail phenomenon " of directed section, is conducive to the extension of horizontal segment; The complicated continuous pipe directional drilling construction such as horizontal well, sidetrack horizontal well, under balance pressure drilling can be completed.Although domestic existing hydraulic pressure finder structure is simple, manipulation is convenient, cost is lower, but its low precision, poor controllability, each anglec of rotation is fixed, and each adjustment tool-face all needs to pull out of hole, and be subject to the restriction of drilling fluid types, two-phase or the drilling well of gas phase drilling fluid can not be applied to.
Summary of the invention
In order to solve existing bearing unit adjustment tool-face time low precision, poor controllability problem, the invention provides a kind of continuous-tube drilling well electricity hydraulic control bearing unit, this continuous-tube drilling well electricity hydraulic control bearing unit can bidirectional rotation tool-face angle continuously, can locking tool face when tool-face angle reaches requirement, achieve and accurately, reliably can control continuous-tube drilling direction and well track.
The technical solution adopted for the present invention to solve the technical problems is: a kind of continuous-tube drilling well electricity hydraulic control bearing unit, comprise the axle and output shaft that set gradually from the top down, outer sleeve is arranged with outside axle and output shaft, connected by retaining mechanism between axle and output shaft, output shaft and this outer sleeve can be locked by this retaining mechanism.
This outer sleeve comprises urceolus, and upper urceolus inner sleeve is provided with inner core, and upper urceolus is fixedly connected with inner core, and the upper end of axle is inserted in the lower end of inner core, is provided with electric notor in inner core, and the output shaft of electric notor is connected with the upper end of axle by reducing gear.
This reducing gear is planetary gears, planetary gears is connected with the upper end of axle with universal joint by shaft coupling successively, the output shaft of electric notor is fixedly connected with the sun gear of planetary gears, the upper end of shaft coupling is fixedly connected with the planet carrier of planetary gears, and the external toothing of planetary gears is fixedly connected with inner core.
The slurry channel of annular is formed between upper urceolus and inner core, containing vertically through inner flow passage in axle, the sidewall of axle upper end is provided with head piece, and the sidewall of inner core is provided with region flow port, and slurry channel is communicated with the described inner flow passage in axle with head piece by region flow port successively.
This retaining mechanism comprises lock sleeve and the reset components for making this lock sleeve reset, lock sleeve is tubular, container cavity is contained on the top of lock sleeve, containing vertically through fluid passage in lock sleeve, this container cavity is positioned at the top of fluid passage, the upper end of fluid passage is communicated with this container cavity, the upper end of fluid passage is positioned at the lower surface of this container cavity, the area of the lower surface of this container cavity is greater than the area of passage of fluid passage, lock sleeve can vertically move back and forth, the lower end of axle is plugged in this container cavity of lock sleeve upper end, the lower end of axle is positioned at the top of the lower surface of this container cavity, the lower end of lock sleeve is plugged in the upper end of output shaft, containing vertically through inner flow passage in output shaft, fluid passage in lock sleeve is communicated with the inner flow passage in output shaft, output shaft and described outer sleeve can be locked by lock sleeve.
Outer shaft is provided with to spline outside the lower end of axle, axial splines groove in can matching with outer axial splines is provided with in the upper end of lock sleeve, outer shaft is provided with to spline outside the lower end of lock sleeve, be provided with in the upper end of output shaft and axial splines groove in outer axial spline fitted, stop sleeve is arranged with between this outer sleeve and lock sleeve, stop sleeve is fixedly connected with this outer sleeve, the middle part of lock sleeve outer wall is provided with axial splines, and the middle part of stop sleeve inwall is provided with the axial splines groove that can coordinate with axial splines; When lock sleeve is positioned at upper extreme position, the outer axial splines of axle is separated with axial splines groove in lock sleeve, axial splines outside lock sleeve is connected with the axial splines slot fit in stop sleeve, and the outer axial splines of lock sleeve is connected with the interior axial splines slot fit of output shaft; When lock sleeve is positioned at lower limit position, the outer axial splines of axle is connected with the interior axial splines slot fit of lock sleeve, axial splines outside lock sleeve is separated with the axial splines groove in stop sleeve, and the outer axial splines of lock sleeve is connected with the interior axial splines slot fit of output shaft.
This reset components is back-moving spring, and the upper end of back-moving spring abuts with lock sleeve, and the lower end of back-moving spring abuts with output shaft.
This outer sleeve also comprises the hypomere of the inner core be fixedly connected sequentially from the top down, the first urceolus joint, the second urceolus joint and the 3rd urceolus joint, the hypomere of inner core is positioned at the below of urceolus, first urceolus fitting sleeve is located at outside lock sleeve, second urceolus joint and the 3rd urceolus fitting sleeve are located at outside output shaft, and stop sleeve is fixedly connected with by screw thread with the first urceolus joint.
Be arranged with stop sleeve between the hypomere of inner core and axle, between stop sleeve and axle, be arranged with wear washer, between the second urceolus joint and output shaft, be arranged with stop sleeve, between stop sleeve and the second urceolus joint, be arranged with wear washer.
This outer sleeve also comprises the 3rd urceolus joint be fixed on below the second urceolus joint, 3rd urceolus fitting sleeve is located at outside output shaft, the inwall of the 3rd urceolus joint is provided with annular flange flange, the upper end of this annular flange flange is provided with thrust bearing, the lower end of this annular flange flange is provided with thrust bearing, is provided with wear washer between the 3rd urceolus joint and output shaft.
Described continuous-tube drilling well electricity hydraulic control bearing unit also comprises electric notor, reducing gear and control unit, the output shaft of electric notor is connected with axle by reducing gear, and this control unit can control the rotational angle of output shaft by the rotation number of turns controlling electric notor.
The invention has the beneficial effects as follows, this continuous-tube drilling well electricity hydraulic control bearing unit can bidirectional rotation tool-face continuously; When tool-face reaches predetermined angular, hydraulic locking can be carried out by single-action hydraulic cylinder, in the drilling direction controlling the well type such as continuous pipe bit sidetracked hole, horizontal well and well track, be swift in motion, accurately reliable.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 is the structural representation of continuous-tube drilling well electricity hydraulic control bearing unit.
Fig. 2 is the structural representation on continuous-tube drilling well electricity hydraulic control bearing unit top.
Fig. 3 is the structural representation of continuous-tube drilling well electricity hydraulic control bearing unit bottom.
Fig. 4 is the using state schematic diagram of continuous-tube drilling well electricity hydraulic control bearing unit.
Fig. 5 is the schematic diagram along A-A direction in Fig. 3.
Wherein 1. tube heads, 2. cable, 3. inner core, 4. electric notor, 5. slurry channel, 6. through hole, 7. go up urceolus, 8. output shaft, 9. planetary gears, 10. planet carrier, 11. shaft couplings, 12. balls, 13. universal joints, 14. butterfly springs, 15.O RunddichtringO, 16. top connections, 17. axially extending bores, 18. region flow ports, 19. head pieces, 20. axles, 21.O RunddichtringO, 22. holding screws, 23. angular transducers, 24. thrust bearings, 25. rolling bearings, 26. wear washers, 27. wear washers, 28. stop sleevees, 29. inner flow passages, 30. stop sleevees, 31. rolling bearings, 32.V RunddichtringO, 33. holding screws, 34.V RunddichtringO, axial splines groove in 35., 36. outer axial splines, 37. axial splines grooves, the 38. taper mouths of pipe, 39. first urceolus joints, 40. lock sleeves, 41. axial splines, 42. stop sleevees, 43. fluid passages, 44.V RunddichtringO, 45. back-moving springs, 46. holding screws, 47. outer axial splines, axial splines groove in 48., 49. second urceolus joints, 50.O RunddichtringO, 51. holding screws, 52. stop sleevees, 53. wear washers, 54. thrust bearings, 55. the 3rd urceolus joints, 56. inner flow passages, 57. thrust bearings, 58. wear washers, 59. output shafts, 60.O RunddichtringO, 61. curved motors, 62. drill bits.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
A kind of continuous-tube drilling well electricity hydraulic control bearing unit, comprise the axle 20 and output shaft 59 that set gradually from the top down, outer sleeve is arranged with outside axle 20 and output shaft 59, connected by retaining mechanism between axle 20 and output shaft 59, output shaft 59 and this outer sleeve can be locked by this retaining mechanism, as shown in Figure 1.
In the present embodiment, the axis of axle 20 and the axis of output shaft 59 are all vertically arranged, and the axis of axle 20 and the dead in line of output shaft 59, the lower end of axle 20 is connected by this retaining mechanism with the upper end of output shaft 59.This outer sleeve comprises urceolus 7, inner core 3 is arranged with in upper urceolus 7, upper urceolus 7 is fixedly connected with inner core 3, the upper end of axle 20 is inserted in the lower end of inner core 3, electric notor 4 is provided with in inner core 3, the output shaft 8 of electric notor 4 is connected by the upper end of reducing gear with axle 20, and electric notor 4 can rotate by drive spindle 20, as depicted in figs. 1 and 2.
In the present embodiment, this reducing gear is planetary gears 9, planetary gears 9 is connected with the upper end of universal joint 13 with axle 20 by shaft coupling 11 successively, the output shaft 8 of electric notor 4 is fixedly connected with the sun gear of planetary gears 9, the upper end of shaft coupling 11 is fixedly connected with the planet carrier 10 of planetary gears 9, and the external toothing of planetary gears 9 is fixedly connected with inner core 3.Upper urceolus 7 is fixedly connected with inner core 3, the slurry channel 5 of annular is formed between upper urceolus 7 and inner core 3, containing vertically through inner flow passage 29 in axle 20, the sidewall of axle 20 upper end is provided with head piece 19, sidewall in the middle part of inner core 3 is provided with region flow port 18, and slurry channel 5 is communicated with the described inner flow passage 29 in axle 20 with head piece 19 by region flow port 18 successively.
Concrete, electric notor 4, planetary gears 9, axle 20, lock sleeve 40, output shaft 59 connect in turn, and as depicted in figs. 1 and 2, miniature electric notor 4 is arranged in inner core 3, axial through hole 6 is left, the built-in cable 2 of through hole 6 between the right side of inner core 3 and electric notor 4; Inner core 3 top is threaded with tube head 1; The slurry channel 5 of annular is left between inner core 3 and upper urceolus 7; The power transmission shaft 8 of miniature electric notor 4 is connected and fixed with the sun gear flat key of planetary gears 9, planet carrier 10 lower end of planetary gears 9 and shaft coupling 11 spline joint, and shaft coupling 11 is connected by ball 12 with universal joint 13; Universal joint 13 passes through spline joint with the top connection 16 of axle 20 upper end, places several butterfly spring 14 between universal joint 13 and axle 20; Axle 20 top has 3 head pieces 19, and inner core 3 bottom has 3 larger region flow ports 18, and region flow port 18 is communicated with slurry channel 5 and axle head piece 19; Inner core 3 bottom has axially extending bore 17, and axially extending bore 17 is connected with the axially extending bore 6 between inner core 3, electric notor 4, and the built-in cable 2 of axially extending bore 6 and axially extending bore 17 extends to the angular transducer 23 being placed on inner core 3 lower end; Angular transducer 23 places thrust bearing 24 below, and thrust bearing 24 is by axle 20 half the circumference of the sleeve where it joins the shoulder axial limiting; Inner core 3 outer wall lower end is threaded with upper urceolus 7, upper urceolus 7 is threaded with inner core 3, stop sleeve 28 is placed in the bottom of inner core 3, rolling bearing 25 is housed between stop sleeve 28 and axle 20, stop sleeve 30 is placed in stop sleeve 28 lower end, rolling bearing 31 is housed between stop sleeve 30 and axle 20, and stop sleeve 30 is spacing by the first urceolus joint 39, and the first urceolus joint 39 upper end is threaded as shown in Figure 1 to Figure 3 with the lower end of inner core 3.
In the present embodiment, this retaining mechanism comprises lock sleeve 40 and the reset components for making this lock sleeve 40 reset, lock sleeve 40 is in tubular, columniform container cavity is contained on the top of lock sleeve 40, containing vertically through fluid passage 43 in lock sleeve 40, this container cavity is positioned at the top of fluid passage 43, the upper end of fluid passage 43 is communicated with this container cavity, the upper end of fluid passage 43 is positioned at the lower surface of this container cavity, the area of the lower surface of this container cavity is greater than the area of passage of fluid passage 43, lock sleeve 40 can vertically move back and forth, the lower end of axle 20 is plugged in this container cavity of lock sleeve 40 upper end, the lower end of lock sleeve 40 is plugged in the upper end of output shaft 59, containing vertically through inner flow passage 56 in output shaft 59, fluid passage 43 in lock sleeve 40 is communicated with the inner flow passage 56 in output shaft 59, output shaft 59 and described outer sleeve can be locked by lock sleeve 40.
In the present embodiment, outer shaft is provided with to spline 36 outside the lower end of axle 20, axial splines groove 35 in can matching with outer axial splines 36 is provided with in the upper end of lock sleeve 40, outer shaft is provided with to spline 47 outside the lower end of lock sleeve 40, axial splines groove 48 in coordinating with outer axial splines 47 is provided with in the upper end of output shaft 59, stop sleeve 42 is arranged with between this outer sleeve and lock sleeve 40, stop sleeve 42 is fixedly connected with this outer sleeve, the middle part of lock sleeve 40 outer wall is provided with axial splines 41, the middle part of stop sleeve 42 inwall is provided with the axial splines groove 37 that can coordinate with axial splines 41, when lock sleeve 40 is positioned at upper extreme position, the outer axial splines 36 of axle 20 is separated with axial splines groove 35 in lock sleeve 40, axial splines 41 outside lock sleeve 40 is connected with the axial splines groove 37 in stop sleeve 42, and the outer axial splines 47 of lock sleeve 40 is connected with the interior axial splines groove 48 of output shaft 59, when lock sleeve 40 is positioned at lower limit position, the outer axial splines 36 of axle 20 is connected with the interior axial splines groove 35 of lock sleeve 40, axial splines 41 outside lock sleeve 40 is separated with the axial splines groove 37 in stop sleeve 42, and the outer axial splines 47 of lock sleeve 40 is connected with the interior axial splines groove 48 of output shaft 59.Wherein, this reset components is back-moving spring 45, and the upper end of back-moving spring 45 abuts with lock sleeve 40, and the lower end of back-moving spring 45 abuts with output shaft 59, as shown in figures 1 and 3.
In addition, this outer sleeve also comprises the hypomere of the inner core 3 be fixedly connected sequentially from the top down, the first urceolus joint 39, second urceolus joint 49 and the 3rd urceolus joint 55, the hypomere of inner core 3 is positioned at the below of urceolus 7, first urceolus joint 39 is sheathed on outside lock sleeve 40, second urceolus joint 49 and the 3rd urceolus joint 55 are sheathed on outside output shaft 59, and stop sleeve 42 is fixedly connected with by screw thread with the first urceolus joint 39.Stop sleeve 28 is arranged with between the hypomere of inner core 3 and axle 20, wear washer 26 is arranged with between stop sleeve 28 and axle 20, be arranged with stop sleeve 52 between second urceolus joint 49 and output shaft 59, between stop sleeve 52 and the second urceolus joint 49, be arranged with wear washer 53.
Concrete, place stop sleeve 42 in first urceolus joint 39, be threaded between stop sleeve 42 with the first urceolus joint 39, it is inner that lock sleeve 40 is placed on stop sleeve 42, lock sleeve 40 inwall upper end is processed with interior axial splines groove 35, and the outer wall of axle 20 lower end is processed with outer axial splines 36; Be processed with axial splines 41 in the middle part of lock sleeve 40 outer wall, in the middle part of stop sleeve 42 inwall, be processed with axial splines groove 37, lock sleeve 40 lower end and output shaft 59 upper end spline joint all the time; Time directed, axle 20 lower end and lock sleeve 40 top axial spline joint; During locking, be connected with stop sleeve 42 axial splines in the middle part of lock sleeve 40; Lock sleeve 40 central authorities leave fluid passage 43, the inner flow passage 29 of the positive center roller 20 of the taper mouth of pipe 38; Back-moving spring 45 is arranged in the annular space between stop sleeve 42 inwall and output shaft 59 outer wall upper end, and spring 45 upper end is spacing by lock sleeve 40 half the circumference of the sleeve where it joins the shoulder, and spring 45 lower end is spacing by output shaft 59 half the circumference of the sleeve where it joins the shoulder; Second urceolus joint 49 upper end is threaded with the first urceolus joint 39 lower end, and place stop sleeve 52 in the second urceolus joint 49, stop sleeve 52 is threaded with output shaft 59; 3rd urceolus joint 55 upper end is threaded with the second urceolus joint 49 lower end, thrust bearing 54 is placed with between stop sleeve 52 lower end and the 3rd urceolus joint 55 half the circumference of the sleeve where it joins the shoulder upper surface, be placed with thrust bearing 57 between the lower surface of the 3rd urceolus joint 55 half the circumference of the sleeve where it joins the shoulder and output shaft 59 half the circumference of the sleeve where it joins the shoulder, output shaft 59 end is connected with curved outer casing screw.
In addition, sealed by O RunddichtringO 15 between axle 20 upper end and inner core 3.Sealed by O RunddichtringO 21 between region flow port 18 lower end of inner core 3 and axle 20.Wear washer 26 and wear washer 26 is placed between axle 20 and stop sleeve 27.Sealed by V-shaped seal ring 33 between lock sleeve 40 upper end and axle 20 lower end, V-shaped seal ring 33 can move axially with lock sleeve 40.Sealed by V-shaped seal ring 34 between stop sleeve 42 top and lock sleeve 40 upper end.Sealed by V-shaped seal ring 44 between the top of output shaft 59, lock sleeve 40 spline joint.Second urceolus joint 39 and the 3rd urceolus joint 49 connection of thread are fixed by holding screw 46.Sealed by O RunddichtringO 50 between stop sleeve 42 lower end and output shaft 59.Fixed by holding screw 51 between second urceolus joint 49 and the 3rd urceolus joint 55.Wear washer 53 is placed with between stop sleeve 52 and the second urceolus joint 49.Wear washer 58 is placed with between 3rd urceolus joint 55 and output shaft 59.Sealed by O RunddichtringO 60 between output shaft 59 and the 3rd urceolus joint 55.
Continuous-tube drilling well electricity hydraulic control bearing unit of the present invention also comprises surface pump and control unit, the output shaft 8 of electric notor 4 is connected with axle 20 by reducing gear, and this control unit can control the rotational angle of output shaft 59 by the rotation number of turns controlling electric notor 4.Electric notor 4, surface pump are all connected with this control unit with angular transducer 11.Angular transducer 11 can measure the rotational angle of driving shaft axle 20 relative to upper urceolus 7 accurately.
During application, be first connected with the cable in continuous-tube the upper end of continuous-tube drilling well electricity hydraulic control bearing unit of the present invention, lower end is connected with curved motor 61, as shown in Figure 4.At first, lock sleeve 40 is positioned at upper extreme position, the outer axial splines 36 of axle 20 is separated (now with axial splines groove 35 in lock sleeve 40, key is separated with keyway, the effect of positive can not be produced, axle 20 can be rotated relative to lock sleeve 40), axial splines 41 outside lock sleeve 40 is connected with the axial splines groove 37 in stop sleeve 42, the outer axial splines 47 of lock sleeve 40 is connected with the interior axial splines groove 48 of output shaft 59, in continuous-tube drilling process, when needing the tool-face angle of curved motor 61 under adjust well, can by this control unit to the built-in cable transfer electric energy of continuous-tube and operation signal, miniature electric notor 4 is driven to work, through planetary gears 9, by the high rotating speed of electric notor 4, low torque axis becomes the slow-speed of revolution, high moment of torsion outputs to shaft coupling 11, universal joint 13, rotate through universal joint 13 drive spindle 20.Angular transducer 23 accurately can measure the relative rotation angle between axle 20 and upper urceolus 7, i.e. the change of tool-face angle.By cable 2, tool-face angle variable signal can be delivered to this control unit in time, operating personnel can adjust electricity size at any time according to the signal obtained, and control the rotary speed of electric notor 4, angle and direction, thus control the continuous bidirectional rotation of axle.Meanwhile, surface pump strengthens the discharge capacity of drilling fluid, drilling fluid enters the described inner flow passage 29 in axle 20 successively by slurry channel 5, region flow port 18, head piece 19, the fluid pressure acted on the lower surface of this container cavity in lock sleeve 40 is made to be greater than the maximum restoring force of back-moving spring 45, promote lock sleeve 40 to move down, make axle 20 outer wall lower end and lock sleeve 40 inwall upper end spline joint.Simultaneously, lock sleeve 40 lower end and output shaft 59 spline joint, namely now lock sleeve 40 is positioned at lower limit position, the outer axial splines 36 of axle 20 is connected (now with the interior axial splines groove 35 of lock sleeve 40, key and keyway are connected, the effect of positive will be produced, axle 20 and lock sleeve 40 synchronous axial system, as shown in Figure 5), axial splines 41 outside lock sleeve 40 is separated with the axial splines groove 37 in stop sleeve 42, the outer axial splines 47 of lock sleeve 40 is connected with the interior axial splines groove 48 of output shaft 59, as shown in Figure 3.The lock sleeve 40 that is rotated through of axle 20 has driven output shaft 59 to rotate, thus can the tool-face of continuous two-way Arbitrary Rotation.When tool-face angle reaches re-set target, pass through control unit, electric notor 4 is quit work, reduce the drilling fluid displacement of surface pump simultaneously, the fluid pressure acting on lock sleeve 40 is made to be less than the restoring force of back-moving spring 45, under the promotion of spring 45, lock sleeve 40 top axial spline 36 is separated rapidly with axle 20 lower end axial splines 35; Meanwhile, with the spline joint of stop sleeve 42 inwall in the middle part of lock sleeve 40 outer wall, namely lock sleeve 40 returns back to upper extreme position.Because stop sleeve 42 is threaded with the first urceolus joint 39, lock sleeve 40 all the time with output shaft 59 spline joint, therefore, first urceolus joint 39 act under, the tool-face of output shaft 59 is lockable, and the drill bit 64 be connected with the output shaft of curved motor 63 will along this tool-face angle directional drilling.When tool-face angle readjusted by needs, repeat said process.
Control unit can control the forward and reverse rotation of output shaft of electric notor, so this continuous-tube drilling well electricity hydraulic control bearing unit can bidirectional rotation tool-face continuously; In addition, when tool-face reaches predetermined angular, hydraulic locking can be carried out by single-action hydraulic cylinder, in the drilling direction controlling the well type such as continuous pipe bit sidetracked hole, horizontal well and well track, be swift in motion, accurately reliable.
The above, be only specific embodiments of the invention, can not limit the scope that invention implements with it, so the displacement of its equivalent assemblies, or the equivalent variations done according to scope of patent protection of the present invention and modification, all still should belong to the category that this patent is contained.In addition, the technical characteristic in the present invention and all can using by independent assortment between technical characteristic, between technical characteristic and technical scheme, between technical scheme and technical scheme.
Claims (11)
1. a continuous-tube drilling well electricity hydraulic control bearing unit, it is characterized in that, described continuous-tube drilling well electricity hydraulic control bearing unit comprises the axle (20) and output shaft (59) that set gradually from the top down, outer sleeve is arranged with outside axle (20) and output shaft (59), connected by retaining mechanism between axle (20) and output shaft (59), output shaft (59) and this outer sleeve can be locked by this retaining mechanism.
2. continuous-tube drilling well electricity hydraulic control bearing unit according to claim 1, it is characterized in that, this outer sleeve comprises urceolus (7), inner core (3) is arranged with in upper urceolus (7), upper urceolus (7) is fixedly connected with inner core (3), the upper end of axle (20) is inserted in the lower end of inner core (3), be provided with electric notor (4) in inner core (3), the output shaft (8) of electric notor (4) is connected by the upper end of reducing gear with axle (20).
3. continuous-tube drilling well electricity hydraulic control bearing unit according to claim 2, it is characterized in that, this reducing gear is planetary gears (9), planetary gears (9) is connected with the upper end of universal joint (13) with axle (20) by shaft coupling (11) successively, the output shaft (8) of electric notor (4) is fixedly connected with the sun gear of planetary gears (9), the upper end of shaft coupling (11) is fixedly connected with the planet carrier (10) of planetary gears (9), the external toothing of planetary gears (9) is fixedly connected with inner core (3).
4. continuous-tube drilling well electricity hydraulic control bearing unit according to claim 2, it is characterized in that, the slurry channel (5) of annular is formed between upper urceolus (7) and inner core (3), containing vertically through inner flow passage (29) in axle (20), the sidewall of axle (20) upper end is provided with head piece (19), the sidewall of inner core (3) is provided with region flow port (18), and slurry channel (5) is communicated with the described inner flow passage (29) in axle (20) with head piece (19) by region flow port (18) successively.
5. continuous-tube drilling well electricity hydraulic control bearing unit according to claim 2, it is characterized in that, this retaining mechanism comprises lock sleeve (40) and the reset components for making this lock sleeve (40) reset, lock sleeve (40) is in tubular, container cavity is contained on the top of lock sleeve (40), containing vertically through fluid passage (43) in lock sleeve (40), this container cavity is positioned at the top of fluid passage (43), the upper end of fluid passage (43) is communicated with this container cavity, the upper end of fluid passage (43) is positioned at the lower surface of this container cavity, the area of the lower surface of this container cavity is greater than the area of passage of fluid passage (43), lock sleeve (40) can vertically move back and forth, the lower end of axle (20) is plugged in this container cavity of lock sleeve (40) upper end, the lower end of axle (20) is positioned at the top of the lower surface of this container cavity, the lower end of lock sleeve (40) is plugged in the upper end of output shaft (59), containing vertically through inner flow passage (56) in output shaft (59), fluid passage (43) in lock sleeve (40) is communicated with the inner flow passage (56) in output shaft (59), output shaft (59) and described outer sleeve can be locked by lock sleeve (40).
6. continuous-tube drilling well electricity hydraulic control bearing unit according to claim 5, it is characterized in that, outer shaft is provided with to spline (36) outside the lower end of axle (20), the interior axial splines groove (35) can matched with outer axial splines (36) is provided with in the upper end of lock sleeve (40), outer shaft is provided with to spline (47) outside the lower end of lock sleeve (40), the interior axial splines groove (48) coordinated with outer axial splines (47) is provided with in the upper end of output shaft (59), stop sleeve (42) is arranged with between this outer sleeve and lock sleeve (40), stop sleeve (42) is fixedly connected with this outer sleeve, the middle part of lock sleeve (40) outer wall is provided with axial splines (41), the middle part of stop sleeve (42) inwall is provided with the axial splines groove (37) that can coordinate with axial splines (41),
When lock sleeve (40) is positioned at upper extreme position, the outer axial splines (36) of axle (20) is separated with the interior axial splines groove (35) of lock sleeve (40), lock sleeve (40) axial splines outward (41) is connected with the axial splines groove (37) in stop sleeve (42), and the outer axial splines (47) of lock sleeve (40) and the interior axial splines groove (48) of output shaft (59) are connected;
When lock sleeve (40) is positioned at lower limit position, the outer axial splines (36) of axle (20) and the interior axial splines groove (35) of lock sleeve (40) are connected, lock sleeve (40) axial splines outward (41) is separated with the axial splines groove (37) in stop sleeve (42), and the outer axial splines (47) of lock sleeve (40) and the interior axial splines groove (48) of output shaft (59) are connected.
7. continuous-tube drilling well electricity hydraulic control bearing unit according to claim 6, it is characterized in that, this reset components is back-moving spring (45), the upper end of back-moving spring (45) abuts with lock sleeve (40), and the lower end of back-moving spring (45) abuts with output shaft (59).
8. continuous-tube drilling well electricity hydraulic control bearing unit according to claim 7, it is characterized in that, this outer sleeve also comprises the hypomere of the inner core (3) be fixedly connected sequentially from the top down, first urceolus joint (39), second urceolus joint (49) and the 3rd urceolus joint (55), the hypomere of inner core (3) is positioned at the below of urceolus (7), first urceolus joint (39) is sheathed on lock sleeve (40) outward, second urceolus joint (49) and the 3rd urceolus joint (55) are sheathed on output shaft (59) outward, stop sleeve (42) is fixedly connected with by screw thread with the first urceolus joint (39).
9. continuous-tube drilling well electricity hydraulic control bearing unit according to claim 8, it is characterized in that, stop sleeve (28) is arranged with between the hypomere of inner core (3) and axle (20), wear washer (26) is arranged with between stop sleeve (28) and axle (20), be arranged with stop sleeve (52) between second urceolus joint (49) and output shaft (59), between stop sleeve (52) and the second urceolus joint (49), be arranged with wear washer (53).
10. continuous-tube drilling well electricity hydraulic control bearing unit according to claim 8, it is characterized in that, this outer sleeve also comprises the 3rd urceolus joint (55) being fixed on the second urceolus joint (49) below, 3rd urceolus joint (55) is sheathed on output shaft (59) outward, the inwall of the 3rd urceolus joint (55) is provided with annular flange flange, the upper end of this annular flange flange is provided with thrust bearing (54), the lower end of this annular flange flange is provided with thrust bearing (57), is provided with wear washer between the 3rd urceolus joint (55) and output shaft (59).
11. continuous-tube drilling well electricity hydraulic control bearing units according to claim 1, it is characterized in that, described continuous-tube drilling well electricity hydraulic control bearing unit also comprises electric notor (4), reducing gear and control unit, the output shaft (8) of electric notor (4) is connected with axle (20) by reducing gear, and this control unit can control the rotational angle of output shaft (59) by the rotation number of turns controlling electric notor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510358281.2A CN104963628A (en) | 2015-06-25 | 2015-06-25 | Coiled tubing drilling electric-hydraulic control orienting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510358281.2A CN104963628A (en) | 2015-06-25 | 2015-06-25 | Coiled tubing drilling electric-hydraulic control orienting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104963628A true CN104963628A (en) | 2015-10-07 |
Family
ID=54217689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510358281.2A Pending CN104963628A (en) | 2015-06-25 | 2015-06-25 | Coiled tubing drilling electric-hydraulic control orienting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104963628A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275394A (en) * | 2015-10-28 | 2016-01-27 | 西南石油大学 | Novel angle controllable rotation guiding tool |
| CN105888550A (en) * | 2016-05-05 | 2016-08-24 | 中国石油天然气集团公司 | Coiled tubing drilling electric-hydraulic control directional tool |
| CN106837173A (en) * | 2017-01-16 | 2017-06-13 | 西南石油大学 | A kind of Microdrilling coiled tubing drilling reaction torque directional orientation tool |
| CN108952572A (en) * | 2018-08-24 | 2018-12-07 | 广州海洋地质调查局 | A kind of adjustable guide drilling tool in continuous pipe drilling well underground |
| CN109779524A (en) * | 2019-03-08 | 2019-05-21 | 南阳市天达同兴石油技术有限公司 | A kind of cable type drilling well orienting device |
| CN114059929A (en) * | 2021-11-10 | 2022-02-18 | 平顶山市安泰华矿用安全设备制造有限公司 | Convertible drill bit directional drilling device |
| CN115059396A (en) * | 2022-06-29 | 2022-09-16 | 重庆科技学院 | High-precision electric control hydraulic steering gear of downhole planetary gear for coiled tubing drilling |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5259467A (en) * | 1992-04-09 | 1993-11-09 | Schoeffler William N | Directional drilling tool |
| EP0787886A2 (en) * | 1996-02-07 | 1997-08-06 | Anadrill International SA | Apparatus and method for directional drilling using coiled tubing |
| US5775444A (en) * | 1996-10-23 | 1998-07-07 | Falgout, Sr.; Thomas E. | Drill string orienting motor |
| US6419014B1 (en) * | 2000-07-20 | 2002-07-16 | Schlumberger Technology Corporation | Apparatus and method for orienting a downhole tool |
| US20040050589A1 (en) * | 1998-05-15 | 2004-03-18 | Philip Head | Method of downhole drilling and apparatus therefor |
| GB2426021B (en) * | 2005-05-13 | 2010-06-30 | Weatherford Lamb | Flow operated orienter |
| CN102400645A (en) * | 2011-11-25 | 2012-04-04 | 中国石油集团长城钻探工程有限公司 | Mechanical part of continuous oil pipe guiding tool |
| CN102758587A (en) * | 2012-06-13 | 2012-10-31 | 中国石油集团长城钻探工程有限公司 | Continuous pipe liquid control orientation tool |
-
2015
- 2015-06-25 CN CN201510358281.2A patent/CN104963628A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5259467A (en) * | 1992-04-09 | 1993-11-09 | Schoeffler William N | Directional drilling tool |
| EP0787886A2 (en) * | 1996-02-07 | 1997-08-06 | Anadrill International SA | Apparatus and method for directional drilling using coiled tubing |
| US5775444A (en) * | 1996-10-23 | 1998-07-07 | Falgout, Sr.; Thomas E. | Drill string orienting motor |
| US20040050589A1 (en) * | 1998-05-15 | 2004-03-18 | Philip Head | Method of downhole drilling and apparatus therefor |
| US6419014B1 (en) * | 2000-07-20 | 2002-07-16 | Schlumberger Technology Corporation | Apparatus and method for orienting a downhole tool |
| GB2426021B (en) * | 2005-05-13 | 2010-06-30 | Weatherford Lamb | Flow operated orienter |
| CN102400645A (en) * | 2011-11-25 | 2012-04-04 | 中国石油集团长城钻探工程有限公司 | Mechanical part of continuous oil pipe guiding tool |
| CN102758587A (en) * | 2012-06-13 | 2012-10-31 | 中国石油集团长城钻探工程有限公司 | Continuous pipe liquid control orientation tool |
Non-Patent Citations (1)
| Title |
|---|
| 李猛等: "连续管钻井定向器技术现状与发展建议", 《石油机械》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275394A (en) * | 2015-10-28 | 2016-01-27 | 西南石油大学 | Novel angle controllable rotation guiding tool |
| CN105888550A (en) * | 2016-05-05 | 2016-08-24 | 中国石油天然气集团公司 | Coiled tubing drilling electric-hydraulic control directional tool |
| CN106837173A (en) * | 2017-01-16 | 2017-06-13 | 西南石油大学 | A kind of Microdrilling coiled tubing drilling reaction torque directional orientation tool |
| CN108952572A (en) * | 2018-08-24 | 2018-12-07 | 广州海洋地质调查局 | A kind of adjustable guide drilling tool in continuous pipe drilling well underground |
| CN109779524A (en) * | 2019-03-08 | 2019-05-21 | 南阳市天达同兴石油技术有限公司 | A kind of cable type drilling well orienting device |
| CN114059929A (en) * | 2021-11-10 | 2022-02-18 | 平顶山市安泰华矿用安全设备制造有限公司 | Convertible drill bit directional drilling device |
| CN114059929B (en) * | 2021-11-10 | 2024-05-31 | 平顶山市安泰华矿用安全设备制造有限公司 | Convertible drill directional drilling device |
| CN115059396A (en) * | 2022-06-29 | 2022-09-16 | 重庆科技学院 | High-precision electric control hydraulic steering gear of downhole planetary gear for coiled tubing drilling |
| CN115059396B (en) * | 2022-06-29 | 2023-04-07 | 重庆科技学院 | High-precision electric control hydraulic steering gear of downhole planetary gear for coiled tubing drilling |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104963628A (en) | Coiled tubing drilling electric-hydraulic control orienting device | |
| EP1644608B1 (en) | Coupling for dual member pipe | |
| CN105888550B (en) | A kind of electro-hydraulic control directional orientation tool of continuous pipe drilling well | |
| CN202194566U (en) | Anti-counter-rotation screw drilling tool with better efficiency | |
| CA2928467C (en) | Rotary steerable drilling system | |
| CN105134071B (en) | A kind of electro-hydraulic control orienting device of continuous pipe drilling well | |
| WO2019095527A1 (en) | Rotary guide device | |
| CA2523092A1 (en) | Systems and methods using a continuously variable transmission to control one or more system components | |
| CN109267965B (en) | Underground electric control sliding sleeve opening and closing tool | |
| CN106150393B (en) | A kind of rotatable drill stem type slipping drilling pipe nipple | |
| CN110118058A (en) | Petal type rotary steering drilling tool | |
| CN111322011A (en) | Underground azimuth orientation method and orientation tool thereof | |
| CN106761402A (en) | Continuous pipe drilling well directional orientation tool | |
| CN206753485U (en) | Change the power set of drill bit movement | |
| CN105422004B (en) | The automatically controlled orienting device of continuously pipe based on hollow brushless motor | |
| WO2023245945A1 (en) | Compound drilling and slide drilling combined directional drilling control tool and method | |
| CN212003032U (en) | High-precision and high-torque underground azimuth director | |
| CN113863850B (en) | Single-double-bending conversion multifunctional hinge motor for ultra-short radius horizontal drilling | |
| CN110671050B (en) | Directional rotary steering drilling tool | |
| CN214498902U (en) | Drill bit for drilling construction | |
| CN112211557B (en) | Push-type rotary guiding tool driven by double eccentric rings | |
| CN111322010A (en) | High-precision and high-torque underground azimuth director | |
| CN211924072U (en) | Unidirectional torque transmission locking nipple of underground azimuth orienting tool | |
| CN206530655U (en) | A kind of helix movable steel globe teeth drive deceleration device | |
| CN206220852U (en) | Continuous pipe drilling well directional orientation tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151007 |
|
| RJ01 | Rejection of invention patent application after publication |