CN205713975U - Biasing rotary guide offset instrument in mechanical type - Google Patents
Biasing rotary guide offset instrument in mechanical type Download PDFInfo
- Publication number
- CN205713975U CN205713975U CN201620041367.2U CN201620041367U CN205713975U CN 205713975 U CN205713975 U CN 205713975U CN 201620041367 U CN201620041367 U CN 201620041367U CN 205713975 U CN205713975 U CN 205713975U
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- China
- Prior art keywords
- housing
- piston
- mandrel
- leading screw
- mechanical type
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- Expired - Fee Related
Links
- 230000008878 coupling Effects 0.000 claims abstract description 10
- 238000010168 coupling process Methods 0.000 claims abstract description 10
- 238000005859 coupling reaction Methods 0.000 claims abstract description 10
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 7
- 238000005553 drilling Methods 0.000 abstract description 13
- 239000003921 oil Substances 0.000 abstract description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 239000003345 natural gas Substances 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 2
- 206010027336 Menstruation delayed Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000009671 shengli Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
本实用新型属于石油、天然气等钻探领域，设计一种机械式内偏置旋转导向偏置工具。其包括交流伺服电机、梅花联轴器、丝杠、小活塞、壳体、液压油、大活塞、端盖、芯轴，所有部件均在壳体上进行装配，通过梅花联轴器将交流伺服电机的输出轴与丝杠连接，通过滑块将丝杠与小活塞连接，大活塞装在液压腔内，液压腔由端盖进行封堵，上述作用机构呈120°均匀分布。本实用新型结构简单，控制精确，芯轴偏斜稳定，以较高精度轨迹完成斜井、水平井钻井工艺，具有很强的实用价值。
The utility model belongs to the field of drilling for oil, natural gas, etc., and designs a mechanical internal bias rotation guide bias tool. It includes AC servo motor, plum blossom coupling, lead screw, small piston, casing, hydraulic oil, large piston, end cover, mandrel, all parts are assembled on the casing, and the AC servo is connected through the plum blossom coupling. The output shaft of the motor is connected with the lead screw, and the lead screw is connected with the small piston through the slider. The large piston is installed in the hydraulic chamber, and the hydraulic chamber is blocked by the end cover. The above-mentioned mechanism is evenly distributed at 120°. The utility model has the advantages of simple structure, precise control, stable mandrel shaft deflection, and completes the drilling process of inclined wells and horizontal wells with high-precision trajectory, and has strong practical value.
Description
Technical field
This utility model belongs to the drilling field such as oil, natural gas, biasing rotary guide offset in the formula that designs a mechanism
Instrument.
Background technology
Along with late period of oil field, for improving the rate of oil and gas recovery, such as ultradeep well, horizontal well, extended reach well and three
The special process drilling technologies such as dimension multi target well produce in succession.Owing to slide drilling pattern drill string does not rotates, whole drill string easy sticker
Being attached on the borehole wall, along with well depth and the increase of hole deviation, frictional resistance suffered by drill string is increasing, and axial frictional resistance applies to the pressure of the drill and controls
Cause trouble greatly.In the limiting case, drill string generation flexing, the pressure of the drill cannot be delivered on drill bit, makes limit drilling depth
It is restricted.Tangential frictional resistance and torque-on-bit the most usually cause the torsional buckling of drill string, make the control of downhole tool face become ten
Divide difficulty.Tool-face swings, and has a strong impact on the work efficiency of system.In certain circumstances, guidance capability will thoroughly lose
Lose.In sum, conventional slide drilling pattern has been unsatisfactory for the technology requirement of relevant drilling technology, and novel rotary steering bores
Well pattern is arisen at the historic moment.
Domestic mainly have Shengli Oil Field drilling technology academy, Southwest Petrol University, Service stock Co., Ltd of CNOOC
Rotary steering system is carried out theoretical research and model machine produces, but the rotary steering drilling tool that great majority produce is by drilling fluid
Hydraulic energy provides power, and for being biased against formula drilling tool.Owing to using hydraulic pressure to be difficult to mandrel is accurately controlled, it is biased against formula rotation
Turn the well that guide drilling tool got out irregular, it is impossible to enough meet the technical specification of the directional well technology of high request.Therefore,
It is necessary to invent biasing rotary guide offset instrument in a kind of mechanical type.
Utility model content
This utility model aims to solve the problem that the problem mentioned in background technology, and in the utility model proposes mechanical type, biasing rotates
Guide offset instrument, its technical scheme used is as follows:
Biasing rotary guide offset instrument in mechanical type, including AC servo motor, plum coupling, leading screw, valve piston,
Housing, big piston, end cap, mandrel, housing central authorities have a mandrel pilot hole, and the most uniform have 3 adjusting holes, all portions
Part is installed in the adjusting hole of housing luggage of going forward side by side and joins, and AC servo motor is arranged on the top of the adjusting hole of housing, passes through
The output shaft of AC servo motor is connected by plum coupling with leading screw, leading screw and end face has the valve piston of screwed hole even
Connecing, big piston is contained in hydraulic cavities, and end cap is arranged on outside hydraulic cavities, is positioned at the outer surface of housing, valve piston underside cavity with
Big piston radial outside cavity is full of hydraulic oil.
The electromotor that AC servo motor is driven by slurry power is powered, and carries out turning under the effect of control system
Dynamic, it is achieved the accurate control of the amount of feeding；Motor output shaft drives screw turns, and the leading screw of rotation drives valve piston to do vertical direction
Linear motion, valve piston extruding liquid, make big piston do the linear motion in horizontal direction, act on mandrel so that it is occur
Bending, thus the drill bit that band moving mandrel end connects glances off, to reach predetermined well track.Wherein, the deflection of mandrel is
Generation is jointly acted in 120 ° of equally distributed big pistons by three.
This utility model has the advantage that AC servo motor to be capable of accurately to control, and screw mandrel and valve piston have
Self-locking action, it is possible to ensure that big piston position within certain period is fixed, i.e. mandrel deformation state is fixed, and has the strongest practicality
It is worth.
Accompanying drawing explanation
In Fig. 1: this utility model mechanical type, structural representation (view in full section) faced by biasing rotary guide offset instrument；
Biasing rotary guide offset instrument plan structure schematic diagram in Fig. 2: this utility model mechanical type.
1. AC servo motor, 2. plum coupling, 3. leading screw, 4. valve piston, 5. housing, 6. hydraulic oil, 7. big piston,
8. end cap, 9. mandrel.
Detailed description of the invention
The utility model is described in further detail with example below in conjunction with the accompanying drawings:
As shown in Figure 1 and Figure 2, biasing rotary guide offset instrument in mechanical type of the present utility model, including AC servo electricity
Machine 1, plum coupling 2, leading screw 3, valve piston 4, housing 5, hydraulic oil 6, big piston 7, end cap 8, mandrel 9, housing 5 central authorities have
Mandrel pilot hole, and the most uniform have 3 adjusting holes, all parts are installed in the adjusting hole of housing 5 luggage of going forward side by side
Joining, AC servo motor 1 is arranged on the top of the adjusting hole of housing 5, by defeated by AC servo motor 1 of plum coupling 2
Shaft is connected with leading screw 3, and the valve piston 4 that leading screw 3 has screwed hole with end face is connected, and big piston 7 is contained in hydraulic cavities, end cap
8 are arranged on outside hydraulic cavities, are positioned at the outer surface of housing 5, and valve piston 4 underside cavity is filled in big piston 7 radial outside cavity
Full hydraulic oil 6.
In use, under the energy supply of electromotor and the control of control system, AC servo motor 1 is operated, and passes through
Plum coupling 2 drives leading screw 3 to rotate, and makes valve piston 4 move up and down, squeezed fluid force feed 6, drives big piston 7 to do level side
To motion so that it is act on mandrel 9, mandrel is made to bend, to realize the orientation deflection of drill bit.
Claims (1)
1. biasing rotary guide offset instrument in mechanical type, including AC servo motor (1), plum coupling (2), leading screw (3),
Valve piston (4), housing (5), hydraulic oil (6), big piston (7), end cap (8), mandrel (9), housing (5) central authorities have mandrel and guide
Hole, and the most uniform have 3 adjusting holes, all parts are installed in the adjusting hole of housing (5) luggage of going forward side by side and join, exchange
Servomotor (1) is arranged on the top of the adjusting hole of housing (5), by defeated by AC servo motor (1) of plum coupling (2)
Shaft is connected with leading screw (3), and the valve piston (4) that leading screw (3) has screwed hole with end face is connected, and big piston (7) is contained in hydraulic pressure
Intracavity, end cap (8) is arranged on outside hydraulic cavities, is positioned at the outer surface of housing (5), valve piston (4) underside cavity and big piston (7)
Radial outside cavity is full of hydraulic oil (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620041367.2U CN205713975U (en) | 2016-01-15 | 2016-01-15 | Biasing rotary guide offset instrument in mechanical type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620041367.2U CN205713975U (en) | 2016-01-15 | 2016-01-15 | Biasing rotary guide offset instrument in mechanical type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205713975U true CN205713975U (en) | 2016-11-23 |
Family
ID=57333510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620041367.2U Expired - Fee Related CN205713975U (en) | 2016-01-15 | 2016-01-15 | Biasing rotary guide offset instrument in mechanical type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205713975U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555478A (en) * | 2018-11-14 | 2019-04-02 | 邹城兖矿泰德工贸有限公司 | Guide pipe |
| WO2019095525A1 (en) * | 2017-11-14 | 2019-05-23 | 中国科学院地质与地球物理研究所 | Hybrid rotary guiding device |
| CN110410008A (en) * | 2019-07-22 | 2019-11-05 | 西南石油大学 | A Static Pointing Hydraulic Rotary Steering Tool |
-
2016
- 2016-01-15 CN CN201620041367.2U patent/CN205713975U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019095525A1 (en) * | 2017-11-14 | 2019-05-23 | 中国科学院地质与地球物理研究所 | Hybrid rotary guiding device |
| US10837235B2 (en) | 2017-11-14 | 2020-11-17 | Institute Of Geology And Geophysics, Chinese Academy Of Sciences | Hybrid rotary guiding device |
| CN109555478A (en) * | 2018-11-14 | 2019-04-02 | 邹城兖矿泰德工贸有限公司 | Guide pipe |
| CN110410008A (en) * | 2019-07-22 | 2019-11-05 | 西南石油大学 | A Static Pointing Hydraulic Rotary Steering Tool |
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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 |
Granted publication date: 20161123 Termination date: 20180115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |