CN113202424A - Rotary steering hydraulic power module - Google Patents
Rotary steering hydraulic power module Download PDFInfo
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- CN113202424A CN113202424A CN202110480840.2A CN202110480840A CN113202424A CN 113202424 A CN113202424 A CN 113202424A CN 202110480840 A CN202110480840 A CN 202110480840A CN 113202424 A CN113202424 A CN 113202424A
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- 239000000758 substrate Substances 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 abstract description 11
- 238000013461 design Methods 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000003139 buffering effect Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000011435 rock Substances 0.000 abstract description 4
- 238000011010 flushing procedure Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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- 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
- 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
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- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/006—Accessories for drilling pipes, e.g. cleaners
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
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- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Earth Drilling (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a rotary guide hydraulic power module which comprises a shell, wherein a working substrate is arranged at the bottom of the back surface of the shell, a low-pressure annular cavity is formed in the shell, a wiring terminal penetrating into the low-pressure annular cavity is arranged on one side of the bottom of the shell, a high-pressure conversion connector, a high-efficiency motor, a plunger oil pump and a filter which are sequentially connected are arranged on one side, close to the wiring terminal, in the low-pressure annular cavity, a throttle valve and a safety valve are arranged on one side, away from the plunger oil pump, of the filter, piston cylinders are arranged on two sides of the top of the working substrate, and a working surface is arranged on the top of each piston cylinder. Has the advantages that: by adopting the novel miniaturization design and adding the structure with the reverse buffering function in the system, the quick back-flushing action of reverse acting force on the plunger oil pump when the drill bit impacts with rocks and the drill collar impacts with the well wall is avoided, so that important components of a high-pressure system are protected, the long-term reliable operation of the system is ensured, the maintenance cost is reduced, and the service life of the tool is prolonged.
Description
Technical Field
The invention relates to the field of underground operation equipment of oil and gas fields, in particular to a rotary steering hydraulic power module.
Background
With the development of petroleum drilling technology, the technology is upgraded from a vertical downward vertical well to an ultra-deep well and a large-displacement horizontal well. The trajectory of the drill bit below the surface varies from a straight line to a curved line or even a three-dimensional curve in an orthogonal system. This requires changes in the orientation and angle of advancement of the drill bit. The rotary steering hydraulic power module provides power support for the direction change of the drill bit; the existing system has the defects of single structure, high energy consumption, uneven stress, high component loss, high maintenance frequency, frequent drilling, high construction period, high construction cost and the like.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The present invention is directed to a rotary steering hydraulic power module, which overcomes the above-mentioned problems of the related art.
Therefore, the invention adopts the following specific technical scheme:
the utility model provides a rotary steering hydraulic power module, which comprises a housin, casing back bottom is provided with the work base plate, the inside low pressure ring chamber of having seted up of casing, casing bottom one side is provided with the binding post that alternates to low pressure ring intracavity portion, low pressure ring intracavity portion is provided with the high-pressure conversion connector that connects gradually by one side that is close to binding post, high efficiency motor, plunger oil pump and filter, one side that the plunger oil pump was kept away from to the filter is provided with choke valve and relief valve, work base plate top both sides all are provided with the piston cylinder, the piston cylinder top is provided with the working face.
Furthermore, in order to supply power to the high-efficiency motor through the high-voltage conversion connector and transmit different instructions to change the current, the rotating speed of the high-efficiency motor is further changed, and the wiring terminal is electrically connected with the high-efficiency motor through the high-voltage conversion connector.
Furthermore, in order to make the working face more fit with the well wall, the structure of the module is more reasonable, an obtuse angle structure is formed between the working substrate and the shell, and the working face is parallel to the working substrate.
Furthermore, in order to enable the plunger oil pump to be capable of pressing the piston cylinder through the filter and the high-pressure outlet, when the piston cylinder returns pressure, the one-way buffer valve is used for blocking and releasing the pressure, the pressure is prevented from being reacted on the plunger oil pump, the pressure system is protected, the bottom of the low-pressure ring cavity is located below the safety valve, the high-pressure outlet is formed in the position, below the safety valve, of the bottom of the low-pressure ring cavity, the piston cylinder is connected with the high-pressure outlet in a maintaining mode, the one-way buffer valve is arranged, and the direction is from the high-pressure outlet to the piston cylinder.
Furthermore, in order to prevent the working face from continuously impacting the well wall and from violently shaking, the drilling work can be stably operated, and the piston cylinder and the working face are kept connected by adopting a universal joint mechanism.
Further, in order to improve the filtering accuracy, the filter realizes the filtering accuracy of 5 μm level.
Furthermore, in order to realize the purpose of throttling and safety respectively, the stability of pressure is guaranteed through the current-limiting of choke valve, guarantees again simultaneously through the relief valve to open fast when system's pressure reaches the design threshold value and realizes the pressure release, avoids causing the damage of inside components and parts, and the filter keeps the intercommunication with choke valve and relief valve respectively.
Furthermore, in order to ensure that the throttling valve and the safety valve are communicated with the low-pressure ring cavity and then are connected with the piston cylinder through the high-pressure outlet, and further complete the pressure conduction, the throttling valve and one side, far away from the filter, of the safety valve are communicated with the low-pressure ring cavity through the low-pressure return opening.
The invention has the beneficial effects that:
1. by adopting the novel miniaturization design and adding the structure with the reverse buffering function in the system, the quick back-flushing action of reverse acting force on the plunger oil pump when the drill bit impacts with rocks and the drill collar impacts with the well wall is avoided, so that important components of a high-pressure system are protected, the long-term reliable operation of the system is ensured, the maintenance cost is reduced, and the service life of the tool is prolonged.
2. The design of adopting double piston cylinder and universal joint more accords with the dynamics principle, and the structure is simplified and has slight fluctuation range when receiving the wall of a well impact, avoids mechanical interference to ensure that equipment does not have the jamming motion.
3. The invention has the advantages of easy manufacture, convenient processing, simplified structure, improved production efficiency, simple and efficient maintenance, low cost and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic front view of a rotary steerable hydraulic power module according to an embodiment of the present invention;
FIG. 2 is a side view of a rotary steerable hydraulic power module according to an embodiment of the present invention;
FIG. 3 is a block diagram of a rotary steerable hydraulic power module according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a hydraulic system for a rotary steerable hydraulic power module in accordance with an embodiment of the present invention;
FIG. 5 is a diagram of the use of a rotary steerable hydraulic power module in a drill collar system, according to an embodiment of the present invention.
In the figure:
1. a housing; 2. a working substrate; 3. a low pressure annulus; 4. a wiring terminal; 5. a high voltage conversion connector; 6. a high efficiency motor; 7. a plunger oil pump; 8. a filter; 9. a throttle valve; 10. a safety valve; 11. a piston cylinder; 12. a working surface; 13. a high pressure outlet; 14. a low pressure return port.
Detailed Description
For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.
According to an embodiment of the present invention, a rotary steerable hydraulic power module is provided.
Referring to the drawings and the detailed description, as shown in fig. 1-5, the rotary steering hydraulic power module according to the embodiment of the present invention includes a housing 1, a working substrate 2 is disposed at the bottom of the back of the housing 1, a low-pressure ring cavity 3 is disposed inside the housing 1, a connection terminal 4 inserted into the low-pressure ring cavity 3 is disposed on one side of the bottom of the housing 1, a high-pressure switching connector 5, a high-efficiency motor 6, a plunger oil pump 7 and a filter 8 are sequentially disposed inside the low-pressure ring cavity 3 from a side close to the connection terminal 4, a throttle valve 9 and a safety valve 10 are disposed on a side of the filter 8 away from the plunger oil pump 7, piston cylinders 11 are disposed on both sides of the top of the working substrate 2, and a working surface 12 is disposed on the top of the piston cylinders 11.
By means of the technical scheme, the novel miniaturization design is adopted, the structure with the reverse buffering function is additionally arranged in the system, the rapid backflushing action of reverse acting force on the plunger oil pump 7 when the drill bit impacts with rocks and the drill collar impacts with the well wall is avoided, therefore, important components of a high-pressure system are protected, long-term reliable operation of the system is ensured, the maintenance cost is reduced, and the service life of the tool is prolonged. The design of adopting two piston cylinders 11 and universal joint more accords with the dynamics principle, and the structure is simplified and has slight fluctuation range when receiving the wall of a well impact, avoids mechanical interference to ensure that equipment does not have the jamming motion. The invention has the advantages of easy manufacture, convenient processing, simplified structure, improved production efficiency, simple and efficient maintenance, low cost and the like.
In one embodiment, for the connection terminal 4, the connection terminal 4 is electrically connected with the high-efficiency motor 6 through the high-voltage conversion connector 5, so that the high-efficiency motor 6 can be supplied with power through the high-voltage conversion connector 5, different commands are transmitted to change the current, and the rotating speed of the high-efficiency motor 6 is further changed.
In an embodiment, for the above working substrate 2, an obtuse angle structure is formed between the working substrate 2 and the housing 1, and the working surface 12 is parallel to the working substrate 2, so that the working surface 12 is more attached to the well wall, and the structure of the module is more reasonable.
In an embodiment, for the low-pressure annular chamber 3, a high-pressure outlet 13 is formed in the bottom of the low-pressure annular chamber 3 below the safety valve 10, the piston cylinder 11 and the high-pressure outlet 13 are connected and provided with a one-way buffer valve, and the direction is from the high-pressure outlet to the piston cylinder, so that the plunger oil pump 7 can apply pressure to the piston cylinder 11 through the filter 8 and the high-pressure outlet 13, and when the piston cylinder 11 returns pressure, the pressure is blocked and released through the one-way buffer valve, the pressure is prevented from being exerted on the plunger oil pump 7 in a reverse mode, and further the protection of a pressure system is realized.
In one embodiment, for the piston cylinder 11, the piston cylinder 11 and the working surface 12 are kept connected by a universal joint mechanism, so that the working surface 12 does not shake violently when impacting the well wall, and the drilling operation is stable.
In one embodiment, for the filter 8 described above, the filter 8 achieves a filtering accuracy on the order of 5 μm, thereby improving the filtering accuracy.
In an embodiment, for the above filter 8, the filter 8 is respectively communicated with the throttle valve 9 and the safety valve 10, so as to respectively achieve the purposes of throttling and safety, the stability of pressure is guaranteed by the current limitation of the throttle valve 9, and meanwhile, the safety valve 10 is used for guaranteeing that the pressure relief can be realized by rapidly opening when the system pressure reaches a design threshold, so as to avoid the damage of internal components.
In one embodiment, for the above-mentioned throttle valve 9, the throttle valve 9 and the side of the safety valve 10 away from the filter 8 are both communicated with the low-pressure ring chamber 3 through the low-pressure return port 14, so that the throttle valve 9 and the safety valve 10 are communicated with the low-pressure ring chamber 3 and are connected with the piston cylinder 11 through the high-pressure outlet 13, and pressure conduction is completed.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
In practical application, the three hydraulic power modules form a group and are uniformly arranged at the positions, close to a drill bit, of the drill collar respectively, the three modules work independently and cooperatively to jointly complete the function of changing the direction, and meanwhile, the three modules supply currents with different sizes according to the use condition.
During actual work, the drill collar and the drill bit are controlled to enter the well, the three working surfaces 12 reach the wall of the well, the position of the drill collar is positioned, the wiring terminal 4 supplies power to the high-voltage conversion connector 5 and the high-efficiency motor 6, the high-efficiency motor 6 changes the rotating speed according to different magnitudes of the applied current after obtaining a wellhead instruction, and provides different rotating speeds for the plunger oil pump 7 connected with the high-efficiency motor 6, so that the displacement of the plunger oil pump 7 is changed. The plunger oil pump 7 transmits high-pressure oil to the interior of the low-pressure ring cavity 3 through the filter 8 and the throttle valve 9, and transmits the high-pressure oil to the piston cylinder 11 through the high-pressure outlet 13 and the one-way buffer valve, so that pressurization on the piston cylinder 11 is formed. When the system carries out the pressure release, high-efficient motor 6 does not move, and system pressure reduces, and high-pressure fluid in the piston cylinder 11 passes through the one-way buffering of buffer valve, because reverse buffering is obstructed, can make the resistance decline of high-pressure fluid, avoids quick reverse action to the inside components and parts of system, has protected important components and parts. Meanwhile, the working surface 12 is frequently impacted to return the pressure, and the buffer valve is used for buffering and decompressing by the reaction force, so that components are protected. In addition, under the condition that the three working surfaces 12 work simultaneously, the stability of the drill collar can be greatly improved, the jumping of the drill bit is avoided, and the forward track of the drill bit is ensured to have no jumping and creeping phenomena until the drilling work is completed.
In conclusion, by adopting the technical scheme of the invention, a novel miniaturized design is adopted and a structure with a reverse buffer function is added in the system, so that the rapid backflushing action of reverse acting force on the plunger oil pump 7 when the drill bit impacts with rocks and the drill collar impacts with the well wall is avoided, important components of a high-pressure system are protected, the long-term reliable operation of the system is ensured, the maintenance cost is reduced, and the service life of the tool is prolonged. The design of adopting two piston cylinders 11 and universal joint more accords with the dynamics principle, and the structure is simplified and has slight fluctuation range when receiving the wall of a well impact, avoids mechanical interference to ensure that equipment does not have the jamming motion. The invention has the advantages of easy manufacture, convenient processing, simplified structure, improved production efficiency, simple and efficient maintenance, low cost and the like.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A rotary steerable hydraulic power module, characterized by comprising a housing (1), a working substrate (2) is arranged at the bottom of the back surface of the shell (1), a low-pressure ring cavity (3) is arranged in the shell (1), one side of the bottom of the shell (1) is provided with a wiring terminal (4) which is inserted into the low-voltage ring cavity (3), a high-pressure conversion connector (5), a high-efficiency motor (6), a plunger oil pump (7) and a filter (8) which are connected in sequence are arranged in the low-pressure ring cavity (3) from one side close to the wiring terminal (4), a throttle valve (9) and a safety valve (10) are arranged on one side of the filter (8) far away from the plunger oil pump (7), piston cylinders (11) are arranged on two sides of the top of the working substrate (2), and working faces (12) are arranged on the tops of the piston cylinders (11).
2. A module according to claim 1, characterized in that the terminals (4) are electrically connected to the high efficiency motor (6) by high voltage switching connectors (5).
3. A module according to claim 1, characterized in that the working base plate (2) is arranged at an obtuse angle to the housing (1), the working face (12) being parallel to the working base plate (2).
4. A module according to claim 1, characterized in that the low-pressure ring chamber (3) has a bottom with a high-pressure outlet (13) below the safety valve (10), the piston cylinder (11) being connected to the high-pressure outlet (13).
5. A module according to claim 4, characterized in that the piston cylinder (11) is kept connected to the working surface (12) by means of a cardan joint mechanism.
6. A rotary steerable hydraulic power module according to claim 1, characterized in that the filter (8) achieves a filtering accuracy of the order of 5 μm.
7. A module according to claim 6, characterized in that the filter (8) is in communication with the throttle valve (9) and the relief valve (10), respectively.
8. A module according to claim 7, wherein the throttle valve (9) and the side of the relief valve (10) remote from the filter (8) are each in communication with the low pressure annulus (3) via a low pressure return port (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110480840.2A CN113202424B (en) | 2021-04-30 | 2021-04-30 | Rotary guide hydraulic power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110480840.2A CN113202424B (en) | 2021-04-30 | 2021-04-30 | Rotary guide hydraulic power module |
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| Publication Number | Publication Date |
|---|---|
| CN113202424A true CN113202424A (en) | 2021-08-03 |
| CN113202424B CN113202424B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110480840.2A Active CN113202424B (en) | 2021-04-30 | 2021-04-30 | Rotary guide hydraulic power module |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060243487A1 (en) * | 2005-04-29 | 2006-11-02 | Aps Technology, Inc. | Rotary steerable motor system for underground drilling |
| WO2017119880A1 (en) * | 2016-01-06 | 2017-07-13 | Isodrill, Llc | Downhole power conversion and managment using a dynamically adjustable variable displacement pump |
| US20190128070A1 (en) * | 2017-10-31 | 2019-05-02 | Institute Of Geology And Geophysics, Chinese Academy Of Sciences | Static Push-the-Bit Articulated High-Built-Rate Rotary Steerable Tool and Control Method Thereof |
| CN110821402A (en) * | 2019-10-18 | 2020-02-21 | 江苏金陵智造研究院有限公司 | Hydraulic actuating mechanism of shale gas drilling rotary guide system and control method thereof |
| US10584546B1 (en) * | 2019-04-02 | 2020-03-10 | Michael Brent Ford | Rotator apparatus and method therefor |
| CN111927340A (en) * | 2020-06-29 | 2020-11-13 | 北京贝威通石油科技有限公司 | Guiding drilling device |
| CN112377115A (en) * | 2020-11-03 | 2021-02-19 | 淮北林光钻探机电工程有限公司 | High-pressure sealing spiral drill rod |
-
2021
- 2021-04-30 CN CN202110480840.2A patent/CN113202424B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060243487A1 (en) * | 2005-04-29 | 2006-11-02 | Aps Technology, Inc. | Rotary steerable motor system for underground drilling |
| WO2017119880A1 (en) * | 2016-01-06 | 2017-07-13 | Isodrill, Llc | Downhole power conversion and managment using a dynamically adjustable variable displacement pump |
| US20190128070A1 (en) * | 2017-10-31 | 2019-05-02 | Institute Of Geology And Geophysics, Chinese Academy Of Sciences | Static Push-the-Bit Articulated High-Built-Rate Rotary Steerable Tool and Control Method Thereof |
| US10584546B1 (en) * | 2019-04-02 | 2020-03-10 | Michael Brent Ford | Rotator apparatus and method therefor |
| CN110821402A (en) * | 2019-10-18 | 2020-02-21 | 江苏金陵智造研究院有限公司 | Hydraulic actuating mechanism of shale gas drilling rotary guide system and control method thereof |
| CN111927340A (en) * | 2020-06-29 | 2020-11-13 | 北京贝威通石油科技有限公司 | Guiding drilling device |
| CN112377115A (en) * | 2020-11-03 | 2021-02-19 | 淮北林光钻探机电工程有限公司 | High-pressure sealing spiral drill rod |
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| Publication number | Publication date |
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| CN113202424B (en) | 2024-04-09 |
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