CN114704203B - Hydraulic control type guiding drilling device - Google Patents
Hydraulic control type guiding drilling device Download PDFInfo
- Publication number
- CN114704203B CN114704203B CN202110141822.1A CN202110141822A CN114704203B CN 114704203 B CN114704203 B CN 114704203B CN 202110141822 A CN202110141822 A CN 202110141822A CN 114704203 B CN114704203 B CN 114704203B
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- chute
- base
- drilling
- assembly
- fixedly connected
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- 238000005553 drilling Methods 0.000 title claims abstract description 52
- 238000005452 bending Methods 0.000 claims abstract description 22
- 238000005096 rolling process Methods 0.000 claims description 49
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 230000008859 change Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 239000003208 petroleum Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
- E21B7/061—Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
- E21B7/067—Deflecting the direction of boreholes with means for locking sections of a pipe or of a guide for a shaft in angular relation, e.g. adjustable bent sub
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a hydraulic control type steering drilling device, which comprises: a drilling assembly; a drive bend adjustment assembly for driving the drilling assembly to rotate; and the guide assembly is connected between the drilling assembly and the driving bending adjustment assembly and is used for realizing the change of the drilling track of the drill bit. In the specific working process, the angle adjustment and the action amplitude of the invention are relatively fixed, thereby ensuring the certainty of the angle and the controllable and relatively fixed inclination angle of the drill bit.
Description
Technical Field
The invention relates to the technical field of petroleum drilling engineering, in particular to a hydraulic control type guiding drilling device.
Background
With the continuous progress of the society in China, the petroleum industry in China also rapidly develops, the demand for petroleum is larger and larger, the oil reservoirs needing to be mined are more and more, the mining difficulty is increased, and the requirements on the mining technology are higher and higher, so that the research on the drilling technology of oil and gas in China is more and more important. The rotary steering drilling technology is a drilling mode of key research in China, accords with the technical requirement of modern automation, has obvious technical advantages, can greatly improve the working efficiency of China on oil and gas exploitation, and is suitable for various oil reservoir types.
The rotary steerable drilling system is the most advanced and efficient petroleum directional drilling tool in the world at present, and can realize the drilling operation and control of three-dimensional complex borehole trajectories in a drilling tool rotation mode. The two types are classified into a push-back type and a pointing type according to a deflecting principle. The pushing type provides lateral force of the drill bit by utilizing the pushing type to realize guiding, and is greatly influenced by factors such as displacement and borehole diameter expansion; the directional type drill bit has a guiding function by providing an inclination angle inconsistent with the axis of the well bore, has strong deflecting capability and is not limited by the factors of displacement, diameter of the well bore and stratum.
However, the angular conversion of existing rotary steerable drilling systems tends to be uncontrolled or inaccurate.
Disclosure of Invention
In view of the above, the present invention provides a hydraulic control type guiding drilling device to solve the problems in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme: a pilot-operated steerable drilling apparatus, the apparatus comprising:
a drilling assembly;
a drive bend adjustment assembly for driving the drilling assembly to rotate; and
And the guide assembly is connected between the drilling assembly and the driving bending adjustment assembly and is used for realizing the change of the drilling track of the drill bit.
Preferably, the guide assembly includes a chute base including a cylindrical base and a sphere integrally formed with the base.
Preferably, a plurality of vertical rolling sliding grooves are distributed in the vertical direction in the spherical body, a horizontal rolling sliding groove is arranged in the horizontal direction of the spherical body, the plurality of vertical rolling sliding grooves are distributed coaxially, the horizontal rolling sliding groove is perpendicular to the vertical rolling sliding grooves, and the horizontal rolling sliding grooves are communicated with the plurality of vertical rolling sliding grooves.
Preferably, the driving bending adjusting assembly comprises a single screw, a universal bearing fixedly connected with the single screw, a bending adjusting shell outside the universal bearing and a center sleeve.
Preferably, the center of the base is provided with a through hole, the center sleeve is arranged in the sphere, one end of the center sleeve is connected with the inner ring of the universal bearing, the other end of the center sleeve penetrates through the through hole in the center of the chute base and is fixedly connected with the drilling assembly, and the center through hole of the chute base is in sealing sliding connection with the outer wall of the center sleeve.
Preferably, a circle of central sleeve sliding groove is arranged on the outer side of the central sleeve, and the height of the central sleeve sliding groove is the same as that of the horizontal rolling sliding groove.
Preferably, a hydraulic lifter is fixedly connected inside the chute base.
Preferably, the bottom end of the hydraulic lifter is fixed on the base, the telescopic end is hinged with a rotary lantern ring connecting rod, one end of the rotary lantern ring connecting rod is connected with an inner roller, the other end of the rotary lantern ring connecting rod is connected with an outer roller, and the hydraulic lifter is hinged in the middle of the rotary lantern ring connecting rod; the inner rolling is arranged in the central sleeve chute; the outer roller wheels are arranged in the horizontal rolling chute and the vertical rolling chute in a rolling way.
Preferably, the chute base is fixedly connected with a rotating base, and the rotating base rotates to drive the chute base connected with the rotating base and the hydraulic lifter fixedly connected with the chute base.
Preferably, the sphere is hollow, and the outer wall of the sphere is fixedly connected with the driving bending adjusting assembly.
The invention has the advantages and positive effects that: in the specific working process, the angle adjustment and the action amplitude of the invention are relatively fixed, thereby ensuring the certainty of the angle and the controllable and relatively fixed inclination angle of the drill bit.
Drawings
FIG. 1 is a schematic diagram of a pilot-operated pilot rig according to the present invention;
FIG. 2 is a schematic diagram of the distribution structure of a horizontal rolling chute and a vertical rolling chute of the hydraulic control type steering drilling device;
Fig. 3 is a schematic diagram of the connection structure of the inner roller and the outer roller of the hydraulic control type steering drilling device.
Detailed Description
For a better understanding of the present invention, the present invention is further described below with reference to specific examples and drawings.
The invention provides a hydraulic control type steering drilling device, which comprises:
a drilling assembly;
a drive bend adjustment assembly for driving the drilling assembly to rotate; and
And the guide assembly is connected between the drilling assembly and the driving bending adjustment assembly and is used for realizing the change of the drilling track of the drill bit.
The driving bending adjusting component is connected with the drilling component, and the driving bending adjusting component drives the drilling component to rotate.
Specifically, in the invention, the driving bending adjustment assembly comprises a single screw rod 2, a universal bearing 3 fixedly connected with the single screw rod 2, an adjustable bending shell 4 at the outer side of the universal bearing 3 and a central sleeve 12, wherein the single screw rod 2 is fixedly connected with the inner ring of the universal bearing 3, one end of the central sleeve 12 is also connected with the inner ring of the universal bearing 3, the other end of the central sleeve 12 is fixedly connected with the drilling assembly, the torque of the single screw rod 2 can be transmitted to the inner ring of the universal bearing 3, the inner ring of the universal bearing 3 drives the central sleeve 12 and the drilling assembly fixedly connected with the central sleeve 12 to rotate, the adjustable bending shell 4 supports different angle bending angles, the outer side of the universal bearing 3 is fixedly connected with the adjustable bending shell 4, and the inner ring of the universal bearing 3 is rotatably arranged relative to the adjustable bending shell 4; this part is an existing structure and will not be described in detail here.
In the process of driving the bending adjustment assembly to work, the single screw rod 2 rotates, torque of the single screw rod 2 is transmitted to the universal bearing 3 to drive the universal bearing 3 and the central sleeve 12 connected with the universal bearing 3 to rotate together with the assembly, and the bending adjustment shell 4 is in a static state and does not rotate together with the universal bearing 3.
Further, the guiding assembly comprises a chute base 10, the chute base 10 comprises a cylindrical base 101 and a sphere 102 integrally arranged with the base 101, the sphere 102 is arranged above the base 101, the sphere 102 is hollow, and the outer part of the sphere 102 is integrally arranged with the base 101; the outer wall of the sphere 102 is fixedly connected with the inner wall of the bendable casing 4, and may be specifically in threaded connection.
A through hole is arranged in the center of the base 101; the center sleeve 12 is arranged inside the sphere 102, one end of the center sleeve is connected with the inner ring of the universal bearing 3, the other end of the center sleeve passes through a through hole in the center of the chute base 10 and is fixedly connected with the drilling component, and the center through hole of the chute base 10 is in sealing sliding connection with the outer wall of the center sleeve 12.
Further, a plurality of vertical rolling sliding grooves 13 are distributed in the vertical direction in the spherical body 102, a horizontal rolling sliding groove 11 is arranged in the horizontal direction of the spherical body 102, the plurality of vertical rolling sliding grooves 13 are distributed coaxially, the horizontal rolling sliding groove 11 is vertical to the vertical rolling sliding grooves 13, and the horizontal rolling sliding grooves are communicated with the plurality of vertical rolling sliding grooves 13.
A circle of central sleeve sliding groove 121 is arranged outside the central sleeve 12, and the central sleeve sliding groove 121 has the same height as the horizontal rolling sliding groove 11.
The inside of the chute base 10 is fixedly connected with a hydraulic lifter 6, specifically, the bottom end of the hydraulic lifter 6 is fixed on the base 101, the telescopic end is hinged with a rotary lantern ring connecting rod 5, one end of the rotary lantern ring connecting rod 5 is connected with an inner roller 15, the other end is connected with an outer roller 14, and the hydraulic lifter 6 is hinged at the middle part of the rotary lantern ring connecting rod 5; the inner roller 15 is arranged in the central sleeve chute 121 in a rolling way; the outer roller 14 is arranged in the horizontal rolling chute 11 and the vertical rolling chute 13 in a rolling way.
Specifically, the central sleeve sliding groove 121 is close to the opening on one side of the rotary sleeve connecting rod 5, so that the inner roller 15 is hinged with the rotary sleeve connecting rod 5 on one side of the opening, and the inner roller 15 slides in a circle of central sleeve sliding groove 121 arranged on the outer wall of the central sleeve 12 during the rotation of the rotary sleeve connecting rod 5 around the central sleeve 12; it should be noted that the outer diameter of the inner roller 15 is larger than the opening width of the center bushing chute 121, i.e., the inner roller 15 does not separate from the center bushing chute 121.
Similarly, the side of the horizontal rolling chute 11 opposite to the vertical rolling chute 13 opposite to the central sleeve 12 is also provided with openings, the outer diameter of the outer roller 14 is larger than the width of the opening, and the outer roller 14 cannot be separated from the horizontal rolling chute 11 and the vertical rolling chute 13.
Further, the chute base 10 is fixedly connected with a rotating base 7, and the rotation of the rotating base 7 drives the chute base 10 connected with the rotating base to rotate, and the hydraulic lifter 6 fixedly connected with the chute base 10 rotates around the central sleeve 12 in the process of rotating the chute base 10.
In the specific working process, the torque of the single screw 2 can be transmitted to the universal bearing 3 to drive the universal bearing 3 to rotate, the universal bearing 3 drives the center sleeve 12 and the drilling component fixedly connected with the center sleeve 12 to rotate, and in the rotating process of the center sleeve 12, the chute base 10, the rotating base 7 connected with the chute base 10 and the adjustable bending shell 4 are fixed.
When it is desired to change the rotational trajectory of the drilling assembly:
firstly, driving a hydraulic lifter 6 to lift a rotary lantern ring connecting rod 5 to a horizontal rolling chute 11;
Then, the rotating base 7 is driven to rotate, the chute base 10 and the hydraulic lifter 6 fixedly connected with the chute base 10 are driven to rotate together in the rotating process, the outer roller 14 of the rotary sleeve ring connecting rod 5 rotates along the horizontal rolling chute 11, at the moment, the inner roller 15 slides correspondingly in the central sleeve chute 121, and the rotation is stopped when the outer roller 14 rotates to the target vertical rolling chute 12;
Next, the hydraulic lifter 6 is driven to lift, in the process, the inner roller 15 is limited in the vertical direction in the central sleeve chute 121, lifting cannot be performed, the outer roller 14 slides along the vertical rolling chute 12 in the vertical rolling chute 12 of the target, the vertical movement of the rotating collar connecting rod 5 changes the horizontal distance of the central shaft tube 12 connected with the rotating collar connecting rod 5 due to the fixed length of the rotating collar connecting rod 5, the direction of the central shaft tube 12 is changed, the bending of the adjustable bend housing 4 is caused, and the direction of the drilling assembly is changed.
If the deflection direction of the drilling assembly needs to be further changed, the hydraulic lifter 6 needs to be lifted to the position of the central horizontal rolling chute 11, the rotating base 7 is rotated to the proper vertical rolling chute opening 12, then the rotation is stopped, the height of the hydraulic lifter 6 is properly lifted, and the operation is repeated.
After reversing and replacing, the universal bearing 3 is biased towards a fixed direction, and a fixed inclination angle is always provided for the drilling assembly, so that a fully-rotating guiding drilling mode is realized.
Further, the drilling assembly comprises a drill bit 9 and a drive shaft assembly 8 connected to the drill bit 9, and the center casing 12 is connected to the drill bit 9 through the drive shaft assembly 8, so that the drill bit 9 is rotated along with the rotation of the center casing 12.
In the specific working process, the angle adjustment and the action amplitude of the invention are relatively fixed, thereby ensuring the certainty of the angle and the controllable and relatively fixed inclination angle of the drill bit.
The foregoing describes the embodiments of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by this patent.
Claims (3)
1. A pilot operated directional drilling device, characterized in that: the drilling device comprises:
a drilling assembly;
a drive bend adjustment assembly for driving the drilling assembly to rotate; and
The guide assembly is connected between the drilling assembly and the driving bending adjustment assembly and is used for changing the drilling track of the drill bit;
the guide assembly comprises a chute base, wherein the chute base comprises a cylindrical base and a sphere which is integrally arranged with the base;
A plurality of vertical rolling sliding grooves are distributed in the vertical direction in the sphere, a horizontal rolling sliding groove is arranged in the horizontal direction of the sphere, the plurality of vertical rolling sliding grooves are coaxially distributed, the horizontal rolling sliding groove is vertical to the vertical rolling sliding grooves, and the horizontal rolling sliding groove is communicated with the plurality of vertical rolling sliding grooves;
the driving bending adjusting assembly comprises a single screw, a universal bearing fixedly connected with the single screw, an adjustable bending shell outside the universal bearing and a central sleeve;
a circle of central sleeve sliding grooves are arranged on the outer side of the central sleeve, and the height of each central sleeve sliding groove is the same as that of each horizontal rolling sliding groove;
the inside of the chute base is fixedly connected with a hydraulic lifter;
The bottom end of the hydraulic lifter is fixed on the chute base, the telescopic end is hinged with a rotary lantern ring connecting rod, one end of the rotary lantern ring connecting rod is connected with an inner roller, the other end of the rotary lantern ring connecting rod is connected with an outer roller, and the hydraulic lifter is hinged in the middle of the rotary lantern ring connecting rod; the inner roller is arranged in the central sleeve chute in a rolling way; the outer roller is arranged in the horizontal rolling chute and the vertical rolling chute in a rolling way;
the chute base is fixedly connected with a rotating base, and the rotating base rotates to drive the chute base connected with the rotating base and the hydraulic lifter fixedly connected with the chute base.
2. The pilot-operated steerable drilling apparatus of claim 1, wherein: the center of the chute base is provided with a through hole, the center sleeve is arranged inside the sphere, one end of the center sleeve is connected with the inner ring of the universal bearing, the other end of the center sleeve penetrates through the through hole in the center of the chute base and is fixedly connected with the drilling component, and the through hole in the center of the chute base is in sealing sliding connection with the outer wall of the center sleeve.
3. The pilot-operated steerable drilling apparatus of claim 1, wherein: the inside of the sphere is hollow, and the outer wall of the sphere is fixedly connected with the driving bending adjusting component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110141822.1A CN114704203B (en) | 2021-02-02 | 2021-02-02 | Hydraulic control type guiding drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110141822.1A CN114704203B (en) | 2021-02-02 | 2021-02-02 | Hydraulic control type guiding drilling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114704203A CN114704203A (en) | 2022-07-05 |
| CN114704203B true CN114704203B (en) | 2024-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110141822.1A Active CN114704203B (en) | 2021-02-02 | 2021-02-02 | Hydraulic control type guiding drilling device |
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| Country | Link |
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| CN (1) | CN114704203B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214303693U (en) * | 2021-02-02 | 2021-09-28 | 天津昌鑫油田服务有限公司 | Hydraulic control type guiding drilling device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU766588B2 (en) * | 1999-12-07 | 2003-10-16 | Schlumberger Holdings Limited | Actively controlled rotary steerable system and method for drilling wells |
| CN102913131B (en) * | 2012-08-14 | 2016-08-10 | 中国石油大学(华东) | A kind of dynamically guiding type rotary steering drilling tool |
| US9366087B2 (en) * | 2013-01-29 | 2016-06-14 | Schlumberger Technology Corporation | High dogleg steerable tool |
| CN105370207B (en) * | 2015-11-30 | 2018-07-27 | 西安石油大学 | A kind of dynamic guiding type rotary steering drilling tool |
| CN107060644B (en) * | 2016-12-28 | 2018-12-21 | 中国石油大学(华东) | A kind of wheel rotating state directional type rotary steering system and guiding control method |
| CN108457595B (en) * | 2018-04-28 | 2023-12-08 | 四川省贝特石油技术有限公司 | Intelligent steering drilling power tool |
| CN111287659B (en) * | 2020-03-30 | 2021-09-07 | 西安石油大学 | A method for adjusting build-up rate based on full-rotation directional steerable drilling tool |
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- 2021-02-02 CN CN202110141822.1A patent/CN114704203B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214303693U (en) * | 2021-02-02 | 2021-09-28 | 天津昌鑫油田服务有限公司 | Hydraulic control type guiding drilling device |
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| CN114704203A (en) | 2022-07-05 |
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