CN207110966U - A kind of rotary steerable tool for oil field directed drilling operation - Google Patents
A kind of rotary steerable tool for oil field directed drilling operation Download PDFInfo
- Publication number
- CN207110966U CN207110966U CN201721044094.8U CN201721044094U CN207110966U CN 207110966 U CN207110966 U CN 207110966U CN 201721044094 U CN201721044094 U CN 201721044094U CN 207110966 U CN207110966 U CN 207110966U
- Authority
- CN
- China
- Prior art keywords
- wing plate
- overcoat
- support wing
- top connection
- central tube
- 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.)
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Abstract
The utility model belongs to drilling equipment field, a kind of more particularly to rotary steerable tool for oil field directed drilling operation, including mandrel and overcoat with central passage, outer put is provided with support wing plate, described mandrel is by top connection, central tube and lower contact are connected in sequence by screw thread, described coat suit is in the outside of central tube, the both ends of overcoat are overlapped on the outside at top connection and lower contact edge, the inner side at the both ends of overcoat is respectively machined with a seam, a thrust bearing is each provided with two seams, stabilizer is installed with described top connection, the side of described overcoat is provided with elongated slot, described support wing plate is hinged in elongated slot, hydraulic cylinder is additionally provided with elongated slot, voussoir is connected with the piston rod of hydraulic cylinder, voussoir is between support wing plate and the outer wall of central tube.The utility model realizes the driving and support to supporting wing plate using wedge structure, and supporting construction is stable and is hardly damaged.
Description
Technical field
The utility model belongs to drilling equipment field, more particularly to a kind of rotary steering for oil field directed drilling operation
Instrument.
Background technology
In drilling technology field, the progressively popularization and application of rotary steerable drilling technology.The working mechanism of this technology
All it is to make drill bit or drill string that direction skew occur by the offset guide mechanism of rotary guiding device, is oriented to so as to produce.At present,
In production practices using it is more be a kind of pushing type rotary guiding device, pushing type rotary guiding device is set near drill bit
The guide support wing plate that can be stretched out out of device is put, side force is provided directly to drill bit by the guide support wing plate.
Pushing type rotary guiding device is made up of mandrel and overcoat mostly, and guide support wing plate is set on the coat.Make
Used time, drill bit is connected to the lower end of device, guide support wing plate opens and is against on the borehole wall in deflecting drilling process, overcoat phase
Static for the borehole wall, mandrel rotates in overcoat.
Application No. CN201420569228.8, entitled " static pushing type rotary guiding device " patent document disclose
A kind of simple and compact for structure, easy to process, assembling efficient rotary guiding device easy, safe to use.But there is also some
Deficiency：On the one hand, the support strength of the support wing plate on the device is poor, is easily damaged during use；On the other hand, the dress
Putting does not have stabilizer, needs separately to set during use.
The content of the invention
The utility model provides a kind of rotary steerable tool for oil field directed drilling operation, to solve above-mentioned background skill
The problem of being proposed in art.
The technical problem that the utility model solves is realized using following technical scheme：The utility model provides one kind
For the rotary steerable tool of oil field directed drilling operation, including mandrel and overcoat with central passage, put be provided with outside
Wing plate is supported, described mandrel is connected in sequence by top connection, central tube and lower contact by screw thread, described coat suit
In the outside of central tube, the both ends of overcoat are overlapped on the outside at top connection and lower contact edge, and the inner side at the both ends of overcoat respectively adds
Work has a seam, and a thrust bearing is each provided with two seams, stabilizer is installed with described top connection, described
The side of overcoat be provided with elongated slot, described support wing plate is hinged in elongated slot, and hydraulic cylinder, hydraulic cylinder are additionally provided with elongated slot
Piston rod on be connected with voussoir, voussoir is between support wing plate and the outer wall of central tube, described central tube and top connection
Stop pin is provided with the threaded connection place of lower contact, outer end and the top connection or lower contact of stop pin weld together, institute
The external part for the support wing plate stated is directed inclined upwardly, and described hydraulic cylinder is realized by a hydraulic oil pipe connected with ground to be driven
It is dynamic.
One end in described overcoat close to lower contact is provided with nearly drill bit deviation sensor and orientation gamma sensor.Institute
It is provided with gap on the support wing plate stated, the piston rod of described hydraulic cylinder is connected after passing through gap with described voussoir.It is described
Support wing plate and the hinged place of overcoat be provided with and make support wing plate to the close back-moving spring of central tube.
The beneficial effects of the utility model are：
1st, for the utility model using driving and support of the wedge structure realization to support wing plate, supporting construction is stable and is not easy
Damage.
2nd, stabilizer is provided with top connection, without separately putting stabilizer, so as to reduce installation cost.
3rd, thrust bearing is arranged in closing space, avoided on the premise of ensureing to use function by the utility model
Infringement of the sandstone landwaste to thrust bearing.
4th, mandrel is divided into three sections and is processed by the utility model, and the internal diameter of part and the difference of external diameter diminish, and this just subtracts
Lack the resection of embryo material, save process time.In addition, the length of part diminishes, difficulty of processing is reduced, decreases life
Produce cost.
5th, stop pin plays a part of preventing screw thread from moving back button, so that mandrel can meet in drilling process to link position
High reliability request.
6th, the outer end of stop pin and top connection or lower contact weld together, and ensure that stop pin will not slip.Exist in addition
During maintenance, it is easy to repair in order to which stop pin is pulled down, can be removed solder joint by the method bored or ground.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1- top connections, 2- stabilizers, 3- stop pins, 4- thrust bearings, 5- central tubes, 6- overcoats, 7- braced wings
Plate, 8- lower contacts, 9- piston rods, 10- hydraulic cylinders, 11- hydraulic oil pipes, 12- voussoirs.
Embodiment
The utility model is described further below in conjunction with accompanying drawing：
The present embodiment includes mandrel and overcoat 6 with central passage, and support wing plate 7, described core are provided with overcoat 6
Axle is connected in sequence by top connection 1, central tube 5 and lower contact 8 by screw thread, and described overcoat 6 is sleeved on the outer of central tube 5
Side, the both ends of overcoat 6 are overlapped on the outside at top connection 1 and the edge of lower contact 8, and the inner side at the both ends of overcoat 6 is respectively machined with one and stopped
Mouthful, a thrust bearing 4 is each provided with two seams, stabilizer 2 is installed with described top connection 1, described is outer
The side of set 6 is provided with elongated slot, and described support wing plate 7 is hinged in elongated slot, and hydraulic cylinder 10, hydraulic cylinder are additionally provided with elongated slot
Voussoir 12 is connected with 10 piston rod 9, voussoir 12 is between support wing plate 7 and the outer wall of central tube 5, described central tube
5 are provided with stop pin 3, outer end and top connection 1 or the lower contact of stop pin 3 with the threaded connection place of top connection 1 and lower contact 8
8 weld together, and the external part of described support wing plate 7 is directed inclined upwardly, and described hydraulic cylinder 10 is connected by one and ground
Logical hydraulic oil pipe 11 realizes driving.
One end in described overcoat 6 close to lower contact 8 is provided with nearly drill bit deviation sensor and orientation gamma sensor
(not shown).Be provided with gap on described support wing plate 7, the piston rod 9 of described hydraulic cylinder 10 pass through after gap with
Described voussoir 12 connects.Described support wing plate 7 and the hinged place of overcoat 6, which are provided with, makes support wing plate 7 close to central tube 5
Back-moving spring (not shown).
The utility model realizes the driving and support to supporting wing plate 7 using wedge structure, and supporting construction is stable and is not easy
Damage.
Stabilizer 2 is provided with top connection 1, without separately putting stabilizer 2, so as to reduce installation cost.
Thrust bearing 4 is arranged in closing space on the premise of ensureing to use function, avoids sand by the utility model
Infringement of the stone landwaste to thrust bearing 4.
Mandrel is divided into three sections and is processed by the utility model, and the internal diameter of part and the difference of external diameter diminish, and this is just reduced
The resection of embryo material, saves process time.In addition, the length of part diminishes, difficulty of processing is reduced, decreases production
Cost.
Stop pin 3 plays a part of preventing screw thread from moving back button, so that mandrel can meet in drilling process to link position
High reliability request.
The outer end of stop pin 3 welds together with top connection 1 or lower contact 8, ensure that stop pin 3 will not slip.In addition
In maintenance, it is easy to repair in order to which stop pin 3 is pulled down, can be removed solder joint by the method bored or ground.
Claims (4)
1. a kind of rotary steerable tool for oil field directed drilling operation, including mandrel and overcoat with central passage, outside
Put and be provided with support wing plate, it is characterised in that：Described mandrel is connected successively by top connection, central tube and lower contact by screw thread
Connecing and form, for described coat suit in the outside of central tube, the both ends of overcoat are overlapped on the outside at top connection and lower contact edge,
The inner side at the both ends of overcoat is respectively machined with a seam, is each provided with a thrust bearing in two seams, in described top connection
Stabilizer is installed with, the side of described overcoat is provided with elongated slot, and described support wing plate is hinged in elongated slot, in elongated slot
Hydraulic cylinder is additionally provided with, voussoir is connected with the piston rod of hydraulic cylinder, voussoir is located between support wing plate and the outer wall of central tube,
The threaded connection place of described central tube and top connection and lower contact is provided with stop pin, the outer end of stop pin and top connection or
Lower contact welds together, and the external part of described support wing plate is directed inclined upwardly, and described hydraulic cylinder passes through one and ground
The hydraulic oil pipe of connection realizes driving.
A kind of 2. rotary steerable tool for oil field directed drilling operation according to claim 1, it is characterised in that：Institute
One end in the overcoat stated close to lower contact is provided with nearly drill bit deviation sensor and orientation gamma sensor.
A kind of 3. rotary steerable tool for oil field directed drilling operation according to claim 1, it is characterised in that：Institute
It is provided with gap on the support wing plate stated, the piston rod of described hydraulic cylinder is connected after passing through gap with described voussoir.
A kind of 4. rotary steerable tool for oil field directed drilling operation according to claim 1, it is characterised in that：Institute
The support wing plate stated and the hinged place of overcoat, which are provided with, makes support wing plate to the close back-moving spring of central tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721044094.8U CN207110966U (en) | 2017-08-18 | 2017-08-18 | A kind of rotary steerable tool for oil field directed drilling operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721044094.8U CN207110966U (en) | 2017-08-18 | 2017-08-18 | A kind of rotary steerable tool for oil field directed drilling operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207110966U true CN207110966U (en) | 2018-03-16 |
Family
ID=61570193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721044094.8U Expired - Fee Related CN207110966U (en) | 2017-08-18 | 2017-08-18 | A kind of rotary steerable tool for oil field directed drilling operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207110966U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111911076A (en) * | 2020-08-31 | 2020-11-10 | 中国科学院空间应用工程与技术中心 | Deep lunar soil rotary steering drilling mechanism |
| CN112647847A (en) * | 2020-12-30 | 2021-04-13 | 中国科学院地质与地球物理研究所 | Rotary steerable drilling system and method of controlling the same |
-
2017
- 2017-08-18 CN CN201721044094.8U patent/CN207110966U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111911076A (en) * | 2020-08-31 | 2020-11-10 | 中国科学院空间应用工程与技术中心 | Deep lunar soil rotary steering drilling mechanism |
| CN111911076B (en) * | 2020-08-31 | 2022-02-11 | 中国科学院空间应用工程与技术中心 | Deep lunar soil rotary steering drilling mechanism |
| CN112647847A (en) * | 2020-12-30 | 2021-04-13 | 中国科学院地质与地球物理研究所 | Rotary steerable drilling system and method of controlling the same |
| CN112647847B (en) * | 2020-12-30 | 2021-10-29 | 中国科学院地质与地球物理研究所 | Rotary steerable drilling system and method of controlling the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |