CN113047784A - Intelligent diameter-variable stabilizer - Google Patents
Intelligent diameter-variable stabilizer Download PDFInfo
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- CN113047784A CN113047784A CN202110358137.4A CN202110358137A CN113047784A CN 113047784 A CN113047784 A CN 113047784A CN 202110358137 A CN202110358137 A CN 202110358137A CN 113047784 A CN113047784 A CN 113047784A
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- diameter
- variable
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- control module
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Actuator (AREA)
Abstract
The invention discloses an intelligent variable-diameter stabilizer which is characterized in that: an intelligent variable-diameter stabilizer comprises a cable (1), a shell (2), a power module, a variable-diameter module and an intelligent control module, wherein the power module comprises a motor shaft (3), a motor (5), a piston rod (7) and an annular piston (10), the variable-diameter module comprises a pushing block (13), an elastic body (16), a first sealing ring (12), a second sealing ring (14), a locking steel ball (19), a spring contact finger (20) and a clamping steel ring (21), and the intelligent control module comprises the cable (1), an electromagnetic valve (11) and a control module (9); in the working process, the power module drives the reducing module to realize reducing, and the intelligent control module realizes signal transmission and accurately controls reducing; the invention adopts an electromechanical-hydraulic integrated structure, has simple structure, can realize diameter change under the condition of continuous drilling, realizes high-efficiency transmission by transmitting signals in real time, and has diameter change free from the limitation of the discharge capacity and the size of drilling fluid.
Description
Technical Field
The invention relates to the field of petroleum drilling machinery, in particular to an intelligent variable-diameter stabilizer.
Background
With the increasing difficulty of oil field development and the rapid development of drilling technology, it has become a trend to utilize directional wells, horizontal wells and extended reach wells to perform exploration and development of oil and gas fields. The variable-diameter stabilizer is a key tool for the borehole track control technology of horizontal wells and extended reach wells, and can reduce the tripping times in the drilling process, improve the mechanical drilling speed and reduce the drilling cost. The diameter-changing stabilizer has a pure mechanical, mechanical-hydraulic and mechanical-hydraulic integrated structure, the existing diameter-changing stabilizer mainly performs diameter-changing operation based on mechanical force or hydraulic force, the operation is complex, control signals are generally transmitted by means of mud pulse, electromagnetic wave, sound wave and the like, the transmission speed is low, and the reliability is low. The existing variable-diameter stabilizer has the problems of low efficiency, low signal transmission speed, dependence of a variable-diameter structure on drilling fluid, complex structure and the like.
Disclosure of Invention
The invention aims to overcome the defects of the existing equipment and provides an intelligent variable-diameter stabilizer controlled by an electromechanical-hydraulic integrated closed-loop structure.
In order to achieve the purpose, the technical scheme adopted by the invention for solving the technical problem is as follows:
the utility model provides an intelligence variable diameter stabilizer, including cable (1), casing (2), cable sealing washer (4), drilling rod sealing washer (17), power module, reducing module, intelligent control module, wherein power module includes motor shaft (3), motor (5), piston rod (7), cyclic annular piston (10), reducing module is including pushing away piece (13), elastomer (16), first sealing washer (12), second sealing washer (14), locking steel ball (19), the spring touches and indicates (20), chucking steel ring (21), intelligent control module includes cable (1), solenoid valve (11), control module (9).
The utility model provides an intelligence variable diameter stabilizer which characterized in that: the motor shaft (3) is fixedly connected with the shell (2), the hollow motor (5) is installed on the hollow motor shaft (3), the motor shaft (3) is provided with a pressure balancing through hole, the motor (5) is fixedly connected with the piston rod (7), and the annular piston (10) is fixedly connected with the piston rod (7).
The utility model provides an intelligence variable diameter stabilizer which characterized in that: the push block (13) is provided with a first-stage mounting groove (13a) and a second-stage mounting groove (13b), a locking steel ball (19), a spring contact finger (20) and a clamping steel ring (21) are mounted in the mounting grooves, the clamping steel ring (21) used for fixing the position is arranged in the spring contact finger (20), the locking steel ball (19) used for achieving variable-diameter locking is mounted on the outer side of the spring contact finger (20), the lower end of the elastic body (14) is connected with a push block boss (13c) in a vulcanization mode, and the upper end of the elastic body is in contact with the inner.
The utility model provides an intelligence variable diameter stabilizer which characterized in that: be equipped with cable hole (6) on casing (2), cable (1) is connected through cable hole (6) and solenoid valve (11), control module (9), and control module (9) are installed and are leaned on annular piston (10) one side in casing (2), and solenoid valve (11) are installed in locking groove (18).
The utility model provides an intelligence variable diameter stabilizer which characterized in that: the gland (18) is connected with the shell (2) through pipe threads, and the gland (18) is matched with the shell (2) to form a locking groove (18); n pushing blocks (13) are arranged along the circumferential direction, wherein N is more than or equal to 3; m rows are arranged along the axial direction, and M is more than or equal to 1.
Compared with the prior art, the invention has the beneficial effects that: (1) the drilling operation is not influenced during the border operation, and the drilling operation can be carried out without stopping according to the diameter change requirement, so that the drilling efficiency can be improved; (2) the variable-diameter control signal is independent of the drilling fluid and is not limited by the displacement and the size of the drilling fluid; (3) the control signal is transmitted through the cable, so that real-time, bidirectional and high-speed transmission can be realized, the control precision is high, and intelligent control can be realized; (4) the intelligent variable-diameter stabilizer also has the characteristics of simple structure, simple control operation and closed-loop control.
Drawings
FIG. 1 is a schematic structural diagram of the intelligent variable diameter stabilizer of the invention.
FIG. 2 is a schematic structural diagram of the intelligent diameter-variable stabilizer of the invention for realizing two-stage diameter variation.
FIG. 3 is a sectional view taken along line A-A of the intelligent variable diameter stabilizer of the present invention.
FIG. 4 is a partial enlarged view I of the intelligent variable diameter stabilizer of the present invention.
FIG. 5 is a B-B cross-sectional view of the intelligent variable diameter stabilizer of the present invention.
FIG. 6 is a schematic diagram of the primary diameter variation of the intelligent diameter-variable stabilizer of the invention.
FIG. 7 is a schematic diagram of the two-stage diameter change of the intelligent diameter-variable stabilizer of the invention.
In the figure: the device comprises a cable (1), a shell (2), a motor shaft (3), a cable sealing ring (4), a motor (5), a cable hole (6), a piston rod (7), a balance pressure through hole (8), a control module (9), an annular piston (10), an electromagnetic valve (11), an outer sealing ring (12), a pushing block (13), an inner sealing ring (14), a gland (15), an elastic body (16), a drill rod sealing ring (17), a locking groove (18), a pushing steel ball (19), a spring contact finger (20), a locking steel ring (21), a primary mounting groove (13a), a secondary mounting groove (13b) and a pushing block boss (13 c).
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the left end of a motor shaft (3) in the intelligent variable-diameter stabilizer is fixedly connected with a shell (2), the hollow motor shaft (3) penetrates through a hollow motor (5), the inside of the hollow motor shaft can be sealed through drilling fluid, and the right side of the motor shaft (3) and the shell (2) are sealed through a drill rod sealing ring (17) to prevent hydraulic oil in a hydraulic cavity from leaking; the motor shaft (3) is provided with a balance pressure through hole (8) for balancing the inner side pressure and the outer side pressure, the motor (5) is fixedly connected with the piston rod (7) and the annular piston (10), the piston rod (7) and the annular piston (10) are driven by the motor (5) to move rightwards to compress hydraulic oil during work, and the reducing mechanism is further pushed to realize reducing.
As shown in fig. 1 and 3, the pushing blocks (13) in the intelligent variable diameter stabilizer can be arranged in a plurality of circumferential directions, in a plurality of axial rows, or in a spiral manner.
As shown in figures 1 and 4, the shell (2) and the gland (15) in the intelligent variable-diameter stabilizer are matched to form a locking groove (18) to position the installation of the electromagnetic valve (11) so as to conveniently open the cable hole (6).
As shown in fig. 1, 4, 6 and 7, a first-stage mounting groove (13a) and a second-stage mounting groove (13b) are formed in a pushing block (13) of the intelligent variable-diameter stabilizer, a locking steel ball (19), a spring contact finger (20) and a clamping steel ring (21) are mounted in the mounting grooves, the clamping steel ring (21) used for fixing the position is mounted in the spring contact finger (20), and the locking steel ball (19) used for variable-diameter locking is mounted on the outer side of the spring contact finger (20); the lower end of the elastic body (14) is connected with a boss (13c) of the pushing block in a vulcanization mode, and the other end of the elastic body is in contact with the inner wall of the shell (2) to ensure that the pushing block (13) is in a non-extending state when the diameter is not changed; an outer side sealing ring (12) and an inner side sealing ring (14) are arranged on the shell (2) to prevent hydraulic oil from leaking and prevent outer side drilling fluid from entering a hydraulic cavity.
As shown in fig. 1, 6 and 7, when the intelligent diameter-variable stabilizer is in a diameter-variable state, hydraulic oil in the hydraulic cavity pushes the pushing block (13) to move along the radial direction, and the locking steel ball (10a) is pushed into the clamping groove by the elastic force of the spring contact finger (10b) to be locked.
The working process of the invention is as follows:
when the reducing mechanism is in an initial state, the motor (5) is positioned on the left side of the motor shaft (3), the reducing mechanism is in a non-reducing state under the elastic force of the elastic body (14), when the reducing mechanism is in the reducing state, the motor (5) is electrified to drive the annular piston (10) to move rightwards, the piston compresses hydraulic oil in the sealed hydraulic cavity, the reducing mechanism executes reducing operation to enable the pushing block (13) to extend outwards, and the elastic force of the spring contact finger (20) pushes the steel ball (19) in the first-stage mounting groove (13a) into the pushing groove (18), so that first-stage reducing is realized; during secondary diameter changing, the motor (5) is continuously electrified to move right, the electromagnetic valve (9) is simultaneously electrified, the pushing steel ball (19) in the first-stage mounting groove (13a) is pushed out of the locking groove (18) by utilizing the repulsion principle, the pushing block (13) continuously extends along the radial direction, the pushing steel ball (19) in the second-stage mounting groove (13b) is pushed into the locking groove (18) by the elastic force of the spring contact finger (10b), secondary diameter changing is realized, and the electrification is stopped at the moment. When the diameter-variable state is reduced to the non-diameter-variable state, the motor (5) is electrified with reverse current to drive the annular piston (10) to move leftwards, the electromagnetic valve (11) is electrified simultaneously, the pushing steel ball is pushed out of the locking groove (18) by utilizing the repulsion principle, the drilling fluid pressure on the outer side of the shell (2) is greater than the pressure of the sealing hydraulic cavity to push the pushing block (13) to retract, and when the pushing block (13) returns to the initial state, the electrification is stopped, so that one cycle is completed.
The above-described embodiments are intended to illustrate rather than to limit the scope of the invention, and all equivalent changes and modifications that may be made by one skilled in the art without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (5)
1. The utility model provides an intelligence variable diameter stabilizer, including cable (1), casing (2), cable sealing washer (4), drilling rod sealing washer (17), power module, reducing module, intelligent control module, wherein power module includes motor shaft (3), motor (5), piston rod (7), cyclic annular piston (10), reducing module is including pushing away piece (13), elastomer (16), first sealing washer (12), second sealing washer (14), locking steel ball (19), the spring touches and indicates (20), chucking steel ring (21), intelligent control module includes cable (1), solenoid valve (11), control module (9).
2. The intelligent variable-diameter stabilizer according to claim 1, wherein: the motor shaft (3) is fixedly connected with the shell (2), the hollow motor (5) is installed on the hollow motor shaft (3), the motor shaft (3) is provided with a pressure balancing through hole (8), the motor (5) is fixedly connected with the piston rod (7), and the annular piston (10) is fixedly connected with the piston rod (7).
3. The intelligent variable-diameter stabilizer according to claim 1, wherein: the push block (13) is provided with a first-stage mounting groove (13a) and a second-stage mounting groove (13b), a locking steel ball (19), a spring contact finger (20) and a clamping steel ring (21) are mounted in the mounting grooves, the clamping steel ring (21) used for fixing the position is arranged in the spring contact finger (20), the locking steel ball (19) used for achieving variable-diameter locking is mounted on the outer side of the spring contact finger (20), the lower end of the elastic body (14) is connected with a push block boss (13c) in a vulcanization mode, and the upper end of the elastic body is in contact with the inner.
4. The intelligent variable-diameter stabilizer according to claim 1, wherein: be equipped with cable hole (6) on casing (2), cable (1) is connected through cable hole (6) and solenoid valve (11), control module (9), and control module (9) are installed and are leaned on annular piston (10) one side in casing (2), and solenoid valve (11) are installed in locking groove (18).
5. The intelligent variable-diameter stabilizer according to claim 1, wherein: the gland (18) is connected with the shell (2) through pipe threads, and the gland (18) is matched with the shell (2) to form a locking groove (18); n pushing blocks (13) are arranged along the circumferential direction, wherein N is more than or equal to 3; m rows are arranged along the axial direction, and M is more than or equal to 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110358137.4A CN113047784B (en) | 2021-04-01 | 2021-04-01 | Intelligent diameter-variable stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110358137.4A CN113047784B (en) | 2021-04-01 | 2021-04-01 | Intelligent diameter-variable stabilizer |
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| Publication Number | Publication Date |
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| CN113047784A true CN113047784A (en) | 2021-06-29 |
| CN113047784B CN113047784B (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110358137.4A Active CN113047784B (en) | 2021-04-01 | 2021-04-01 | Intelligent diameter-variable stabilizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458181A (en) * | 2022-01-20 | 2022-05-10 | 大庆市天德忠石油科技有限公司 | Elastic stabilizer for oil field drilling |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1362213A (en) * | 1970-12-10 | 1974-07-30 | Vulcan Iron Works | Free piston vibratory powersource |
| US6290003B1 (en) * | 1999-01-30 | 2001-09-18 | Smart Stabilizer Systems Limited | Controllable stabilizer |
| CN101074596A (en) * | 2007-06-19 | 2007-11-21 | 西安石油大学 | Diameter variable location stabilizer |
| CN201071687Y (en) * | 2007-08-04 | 2008-06-11 | 孙志健 | Hydraulic reducing centralizer |
| CN102071876A (en) * | 2011-01-13 | 2011-05-25 | 河南理工大学 | Multistage reducing combined drilling tool |
| CN204984262U (en) * | 2015-10-07 | 2016-01-20 | 西南石油大学 | A reducing instrument for electric drive orientation is passed through |
| CN106368621A (en) * | 2016-11-28 | 2017-02-01 | 长江大学 | Multi-stage diameter variable stabilizer |
| CN110410008A (en) * | 2019-07-22 | 2019-11-05 | 西南石油大学 | A kind of static state directional type hydraulic rotating steering tool |
| CN210598883U (en) * | 2019-10-24 | 2020-05-22 | 西南石油大学 | Hydraulic underground high-thrust tractor |
| CN112392416A (en) * | 2021-01-19 | 2021-02-23 | 斯伦贝谢油田技术（山东）有限公司 | Underground stress balancing device |
| CN212716477U (en) * | 2020-06-29 | 2021-03-16 | 北京贝威通石油科技有限公司 | Guiding drilling device |
-
2021
- 2021-04-01 CN CN202110358137.4A patent/CN113047784B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1362213A (en) * | 1970-12-10 | 1974-07-30 | Vulcan Iron Works | Free piston vibratory powersource |
| US6290003B1 (en) * | 1999-01-30 | 2001-09-18 | Smart Stabilizer Systems Limited | Controllable stabilizer |
| CN101074596A (en) * | 2007-06-19 | 2007-11-21 | 西安石油大学 | Diameter variable location stabilizer |
| CN201071687Y (en) * | 2007-08-04 | 2008-06-11 | 孙志健 | Hydraulic reducing centralizer |
| CN102071876A (en) * | 2011-01-13 | 2011-05-25 | 河南理工大学 | Multistage reducing combined drilling tool |
| CN204984262U (en) * | 2015-10-07 | 2016-01-20 | 西南石油大学 | A reducing instrument for electric drive orientation is passed through |
| CN106368621A (en) * | 2016-11-28 | 2017-02-01 | 长江大学 | Multi-stage diameter variable stabilizer |
| CN110410008A (en) * | 2019-07-22 | 2019-11-05 | 西南石油大学 | A kind of static state directional type hydraulic rotating steering tool |
| CN210598883U (en) * | 2019-10-24 | 2020-05-22 | 西南石油大学 | Hydraulic underground high-thrust tractor |
| CN212716477U (en) * | 2020-06-29 | 2021-03-16 | 北京贝威通石油科技有限公司 | Guiding drilling device |
| CN112392416A (en) * | 2021-01-19 | 2021-02-23 | 斯伦贝谢油田技术（山东）有限公司 | Underground stress balancing device |
Non-Patent Citations (2)
| Title |
|---|
| 张光伟: "井下闭环可变径稳定器的设计计算", 《石油机械》 * |
| 张进双等: "新型旋转导向井下闭环钻井工具", 《断块油气田》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458181A (en) * | 2022-01-20 | 2022-05-10 | 大庆市天德忠石油科技有限公司 | Elastic stabilizer for oil field drilling |
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| CN113047784B (en) | 2022-04-26 |
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