CN205778597U - A kind of drilling and repairing well weighing apparatus torsion instrument - Google Patents
A kind of drilling and repairing well weighing apparatus torsion instrument Download PDFInfo
- Publication number
- CN205778597U CN205778597U CN201620446823.1U CN201620446823U CN205778597U CN 205778597 U CN205778597 U CN 205778597U CN 201620446823 U CN201620446823 U CN 201620446823U CN 205778597 U CN205778597 U CN 205778597U
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- China
- Prior art keywords
- drilling
- upper shell
- screw thread
- weighing apparatus
- thread
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of drilling and repairing well weighing apparatus torsion instrument, including upper shell and the lower house of screw thread socket, upper shell upper end is upwards socketed by screw thread with top connection, and lower house lower end is in transmission connection by multi-thread motion thread with lower contact downwards；Top connection inner chamber lower end is socketed by screw thread with central canal, is provided with regulation ring between central canal and upper enclosure inner wall, is provided with spring, spring and regulation ring and is sitting in lower contact upper surface successively in regulation ring；Being provided with retainer nut between lower contact and upper enclosure inner wall, retainer nut is sitting in lower house upper surface；Upper shell top radially has steam vent, and steam vent is built with ball-and-seat.Device of the present utility model, tensile strength is high, and counter balance torque scope is big；Flexible movements when starting and work, tool life is long.
Description
Technical field
This utility model belongs to petroleum drilling well workover technology field, relates to a kind of drilling and repairing well weighing apparatus torsion instrument.
Background technology
Along with going deep into of China's oil-gas field development, the degree of depth of drilling and repairing well operation is increasing, stratum age is ancient, compaction is high, hardness is big, soft or hard stratum interlocks, and easily occurs that such as rate of penetration is relatively low, torque ripple big, bouncing of drilling tool of spraining phenomenon is serious, drill bit and the series of problems such as screw motor torque overload damages, down-hole equipment twists off.
The most domestic had some New well drilling instruments to complete commerical test, it is intended to solves the problems referred to above, although achieve some effects, but these instruments all exist service life and the relatively low problem of operation torque, nor adapts to the needs of continuous pipe operation.
Utility model content
The purpose of this utility model is to provide a kind of drilling and repairing well weighing apparatus torsion instrument, solves existing conventional drilling and continuous pipe bores when grinding bridging plug, tool balances drill bit and drill string torque scarce capacity, the problem that the service life of instrument and drilling machinery drilling speed can not meet needs.
The technical solution adopted in the utility model is, a kind of drilling and repairing well weighing apparatus torsion instrument, and including upper shell and the lower house of screw thread socket, upper shell upper end is upwards socketed by screw thread with top connection, and lower house lower end is in transmission connection by multi-thread motion thread with lower contact downwards；Top connection inner chamber lower end is socketed by screw thread with central canal, is provided with regulation ring between central canal and upper enclosure inner wall, is provided with spring, spring and regulation ring and is sitting in lower contact upper surface successively in regulation ring；Being provided with retainer nut between lower contact and upper enclosure inner wall, retainer nut is sitting in lower house upper surface；Upper shell top radially has steam vent, and steam vent is built with ball-and-seat.
Drilling and repairing well of the present utility model weighing apparatus torsion instrument, is further characterized in that:
Regulation ring includes the pad of multiple variable thickness.
The flank of retainer nut is for lengthening screw thread.
Lower house top radially has plug cock, and lower house bottom is provided with combination sealing and dust ring with the smooth contact surface of lower contact.
The beneficial effects of the utility model are, operation torque is big, and tensile strength is high；Can arbitrarily arrange starting torque in the range of operation torque, counter balance torque scope is big；Flexible movements when starting and work, protection is in time；Groundwork part and wear-out part are in sealed environment, and tool life is long；It is suitable for conventional drilling and continuous pipe drilling and repairing well operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1. top connection, 2. upper shell, 3. ball-and-seat, 4. spring, 5. regulation ring, 6. central canal, 7. retainer nut, 8. lower house, 9. plug cock, 10. lower contact, 11. multi-thread motion threads, 12. combination sealings and dust ring.
Detailed description of the invention
With detailed description of the invention, this utility model is described in detail below in conjunction with the accompanying drawings.
With reference to Fig. 1, structure of the present utility model is, including upper shell 2 and the lower house 8 of screw thread socket, upper shell 2 upper end is upwards socketed by screw thread with top connection 1, and set junction is provided with O-ring seals, and lower house 8 lower end is in transmission connection by multi-thread motion thread 11 with lower contact 10 downwards；Top connection 1 inner chamber lower end is socketed by screw thread with central canal 6, is provided with regulation ring 5 between central canal 6 and upper shell 2 inwall, is provided with spring 4, spring 4 and regulation ring 5 and is sitting in lower contact 10 upper surface successively in regulation ring 5；Being provided with retainer nut 7 between lower contact 10 and upper shell 2 inwall, retainer nut 7 is sitting in lower house 8 upper surface；Lower house 8 top radially has plug cock 9, for the multi-thread motion thread of oil injecting lubricating 11；Lower house 8 bottom is provided with combination sealing and dust ring 12 with the smooth contact surface of lower contact 10；
Upper shell 2 top radially has steam vent, and steam vent, not only can aerofluxus but also can stop that annular flow enters upper shell 2 inner chamber built with ball-and-seat 3.
Spring 4 is in the closed environment that top connection 1, upper shell 2, central canal 6, lower house 8 and lower contact 10 are formed, and spring 4 selects disk spring or cylindroid helical-coil compression spring as required.
Regulation ring 5 includes the pad of multiple variable thickness, uses the pad of different-thickness to combine as required, it is achieved the thickness of regulation ring 5 arbitrarily adjusts.
The flank of retainer nut 7 is for lengthening screw thread, and the screw used by retainer nut 7 end face pressurized rather than routine techniques when whole instrument stress is cut mode.
Using multi-thread motion thread 11 to carry out transmission between lower contact 10 and lower house 8, multi-thread motion thread 11 is in the closed environment of lower house 8 and lower contact 10 formation.
Operation principle of the present utility model is,
When using conventional drill string to creep into, the pressure of the drill is delivered on drill bit by top connection 1, spring 4 and lower contact 10；Moment of torsion is then delivered on drill bit by top connection 1, upper shell 2, lower house 8 and lower contact 10, and spring 4 provides axially support.By the thickness of regulation ring 5 being arranged the work starting torque adjusting weighing apparatus torsion instrument before lower brill.When creeping into hard formation or soft or hard is interlocked behind the regions such as stratum, the rotation of drill bit can be dashed forward and be met bigger resistance, thus by bigger instantaneous torque, once exceed the work starting torque of weighing apparatus torsion instrument, lower contact 10 can bounce back along multi-thread motion thread 11 rapid spiral, drill bit reduces cutting depth, and the pressure of the drill reduces, thus decreases working resistance.Unnecessary moment of torsion weighed torsion tool change be that axial energy is stored in spring 4.After entering conventional stratum, suffered by drill bit, the moment of resistance diminishes, and the axial energy being stored in spring 4 is released, and is converted into the born operation torque of drill bit by multi-thread motion thread 11 so that the operation torque of drill bit increases.By the excessive-torque stored and produce in release drilling process; adjustment drill bit depth of cut, and then realize the real-time self-balancing of torque-on-bit, drill bit and whole drill string are obtained for protection; decrease the problems such as bit bouncing, bit freezing, stall to the full extent, improve rate of penetration.
Claims (4)
1. drilling and repairing well weighing apparatus torsion instrument, it is characterised in that: include upper shell (2) that screw thread is socketed and
Lower house (8), upper shell (2) upper end is upwards socketed by screw thread with top connection (1), lower house (8)
Lower end is in transmission connection by multi-thread motion thread (11) with lower contact (10) downwards；Top connection (1)
Inner chamber lower end is socketed by screw thread with central canal (6), central canal (6) and upper shell (2) inwall it
Between be provided with regulation ring (5), regulation ring (5) is provided with spring (4), spring (4) and regulate ring
(5) lower contact (10) upper surface it is sitting in successively；Between lower contact (10) and upper shell (2) inwall
Being provided with retainer nut (7), retainer nut (7) is sitting in lower house (8) upper surface；Upper shell (2)
Top radially has steam vent, and steam vent is built with ball-and-seat (3).
Drilling and repairing well the most according to claim 1 weighing apparatus torsion instrument, it is characterised in that: described regulation
Ring (5) includes the pad of multiple variable thickness.
Drilling and repairing well the most according to claim 1 weighing apparatus torsion instrument, it is characterised in that: described stop
The flank of nut (7) is for lengthening screw thread.
Drilling and repairing well the most according to claim 1 weighing apparatus torsion instrument, it is characterised in that: described lower casing
Body (8) top radially has plug cock (9), and lower house (8) bottom is sliding with the light of lower contact (10)
Contacting surface is provided with combination sealing and dust ring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620446823.1U CN205778597U (en) | 2016-05-17 | 2016-05-17 | A kind of drilling and repairing well weighing apparatus torsion instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620446823.1U CN205778597U (en) | 2016-05-17 | 2016-05-17 | A kind of drilling and repairing well weighing apparatus torsion instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205778597U true CN205778597U (en) | 2016-12-07 |
Family
ID=58119772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620446823.1U Expired - Fee Related CN205778597U (en) | 2016-05-17 | 2016-05-17 | A kind of drilling and repairing well weighing apparatus torsion instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205778597U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545304A (en) * | 2017-01-12 | 2017-03-29 | 长江大学 | A kind of anti-bit bouncing drilling rig |
-
2016
- 2016-05-17 CN CN201620446823.1U patent/CN205778597U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545304A (en) * | 2017-01-12 | 2017-03-29 | 长江大学 | A kind of anti-bit bouncing drilling rig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20170517 |