CN111155953A - Intelligent drilling while-drilling stuck releasing device - Google Patents
Intelligent drilling while-drilling stuck releasing device Download PDFInfo
- Publication number
- CN111155953A CN111155953A CN202010007532.3A CN202010007532A CN111155953A CN 111155953 A CN111155953 A CN 111155953A CN 202010007532 A CN202010007532 A CN 202010007532A CN 111155953 A CN111155953 A CN 111155953A
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- drilling
- valve
- spring
- liquid injection
- valve plate
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- 238000005553 drilling Methods 0.000 title claims abstract description 68
- 239000007788 liquid Substances 0.000 claims abstract description 85
- 238000002347 injection Methods 0.000 claims abstract 22
- 239000007924 injection Substances 0.000 claims abstract 22
- 238000000034 method Methods 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 abstract description 5
- 239000007921 spray Substances 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 description 47
- 238000007789 sealing Methods 0.000 description 4
- 239000004927 clay Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/03—Freeing by flushing
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Marine Sciences & Fisheries (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Safety Valves (AREA)
- Fluid-Driven Valves (AREA)
Abstract
本发明涉及智能钻井随钻解卡装置，该装置通过智能控制高压钻井液，从环空喷射冲洗钻头泥包，从而实现随钻解卡。其技术方案：上、下接头连接处设置有驱动组件；驱动组件由驱动组件电磁阀、柱塞、弹簧、中心管和挡块组成；下接头上设置有喷液组件、锁紧组件和主体截流组件；喷液组件由弹簧座、喷液阀弹簧、喷液阀阀芯、喷液阀阀座、喷液阀阀盖和流道组成；锁紧组件由锁紧块和锁紧阀阀座组成；主体截流组件由阀板、伸缩销轴、扭簧和扭簧封盖组成。本发明在井下具有随钻解卡功能，可进行智能控制，减少钻井非工作时间，减少钻井成本，提高钻井安全。
The invention relates to an intelligent drilling-while-drilling device for releasing the jam while intelligently controlling the high-pressure drilling fluid to spray and flush the mud bag of the drill bit from the annular space, thereby realizing the jam-removing while drilling. Its technical scheme: a driving component is arranged at the connection of the upper and lower joints; the driving component is composed of a solenoid valve of the driving component, a plunger, a spring, a center tube and a stopper; a liquid spray component, a locking component and a main body interception are arranged on the lower joint Components; the liquid injection assembly consists of a spring seat, a liquid injection valve spring, a liquid injection valve core, a liquid injection valve seat, a liquid injection valve cover and a flow channel; the locking assembly consists of a locking block and a locking valve seat ; The main shut-off assembly consists of a valve plate, a telescopic pin, a torsion spring and a torsion spring cover. The invention has the function of unlocking the card while drilling in the downhole, can carry out intelligent control, reduces the non-working time of drilling, reduces the cost of drilling, and improves the safety of drilling.
Description
Technical Field
The invention relates to an intelligent drilling while-drilling stuck freeing device which can realize stuck freeing while-drilling by intelligently controlling high-pressure drilling fluid and spraying and flushing a drill bit mud bag from an annular space, and belongs to the technical field of petroleum and natural gas drilling devices.
Background
In the drilling process of a shale stratum, due to the fact that the content of clay minerals of shale is high (30% -50%), when the water-based drilling fluid is used, the clay easily reacts with water and then expands, the expanded clay has viscosity, and the clay is easily adhered to cutting teeth and a bit body to cause bit balling. The drill bit mud bag can cause that a water hole is blocked in the drilling process, a chip groove and a blade are wrapped by the well bottom, the well wall, rock debris which does not return upwards in time and the like, the phenomena of pump pressure rising and drilling speed reduction are caused, and the normal use of the drill bit is seriously influenced by the generation of the mud bag.
In order to solve the problem that drilling accidents happen due to bit balling, the traditional solution method is as follows: (1) when the drill bit is found to have a mud inclusion image, the drilling should be stopped immediately, and low solid phase drilling fluid is injected into the well for cleaning the drill bit at the first time; (2) adjusting the slurry performance in time, preparing a lubricant and a surfactant, and cleaning the bottom of the well to ensure the surface of the drill bit to be clean, thereby removing mud bags; (3) stopping drilling, improving the discharge capacity to enhance the hydraulic flushing effect, lifting the drill bit to be separated from the well bottom, improving the rotating speed to increase the centrifugal force, enabling mud blocks to be easily thrown out, moving up and down for a plurality of times in a large scale, then pressing the drill bit down to the well bottom, circulating for 5-10 min without opening a rotary table, and repeatedly operating the processes; if not valid for 2 cycles, tripping should be considered. The traditional solution can solve the problem of bit balling, but can not be unfreezed while drilling, can not be intelligently controlled, has low unfreezing efficiency, long non-working time and large unfreezing risk, and is difficult to meet the actual requirement.
The intelligent stuck freeing device while drilling is provided by the patent, can realize intelligent stuck freeing while drilling, and is a high-efficiency, safe and intelligent stuck freeing device.
Disclosure of Invention
The purpose of the invention is as follows: in order to efficiently, economically and safely solve the problem of the probable mud blockage drilling accident in the existing petroleum drilling process, the device for releasing the blockage while drilling for intelligent drilling is provided, has the function of releasing the blockage while drilling underground, can perform intelligent control, reduces the non-working time of drilling, reduces the drilling cost and improves the drilling safety.
In order to achieve the purpose, the invention adopts the technical scheme that:
the intelligent drilling while-drilling stuck freeing device mainly comprises an upper joint 1, a lower joint 13, a driving assembly, a liquid spraying assembly 8, a locking assembly and a main body interception assembly, wherein the tail part of the upper joint 1 is connected with the end part of the lower joint 13 through threads; the method is characterized in that: the upper joint 1 is provided with a driving assembly electromagnetic valve 2 and a plunger 4, the high-pressure liquid is controlled to enter and exit the hydraulic cavity 3 by opening and closing the driving assembly electromagnetic valve 2, and the valve plate 12 is opened and closed by the reciprocating motion of the plunger 4; the lower joint 13 is provided with a spring 6; the driving assembly consists of a driving assembly electromagnetic valve 2, a plunger 4, a spring 6, a central pipe 7 and a stop block 5; the plunger 4 is contacted with the stop block 5, and the spring 6, the stop block 5 and the central tube 7 are contacted; the liquid spraying assembly 8 consists of a spring seat 8-1, a liquid spraying valve spring 8-2, a liquid spraying valve core 8-3, a liquid spraying valve seat 8-6, a liquid spraying valve cover 8-4 and a flow channel 8-5, wherein in the normal drilling process, the liquid spraying valve spring 8-2 is in a pre-compression state, and the flow channel 8-5 is in a closed state; the locking assembly consists of a locking block 15 and a locking valve seat 14, and in the normal drilling process, the locking block 15 is in a retraction state; the main part subassembly that dams comprises valve plate 12, telescopic pin axle 11, torsional spring 10 and torsional spring closing cap 9, and at normal well drilling in-process, torsional spring 10 is in compression state, and valve plate 12 is in the open mode.
The driving assembly consists of a driving assembly electromagnetic valve 2, a plunger 4, a spring 6, a central pipe 7 and a stop block 5, wherein in the normal drilling process, the driving assembly electromagnetic valve 2 is in a closed state, high-pressure liquid exists in a hydraulic cavity 3, the plunger 4 is far away from the driving assembly electromagnetic valve 2, the spring 6 is in a compressed state, the central pipe 7 jacks a valve plate 12, and the valve plate 12 is opened; when the mud bag drill is stuck, the driving assembly electromagnetic valve 2 is opened, high-pressure liquid in the hydraulic cavity 3 flows into the drill string, the plunger 4 is close to the driving assembly electromagnetic valve 2, the central pipe 7 does not push the valve plate 12 open any more, and the valve plate 12 is closed.
The liquid spraying assembly 8 consists of a spring seat 8-1, a liquid spraying valve spring 8-2, a liquid spraying valve core 8-3, a liquid spraying valve seat 8-6, a liquid spraying valve cover 8-4 and a flow channel 8-5, wherein in the normal drilling process, the liquid spraying valve spring 8-2 is in a pre-compression state, the liquid spraying valve core 8-3 is close to the spring seat 8-1, and the flow channel 8-5 is sealed; when the mud bag is stuck, the liquid spraying assembly 8 is communicated with the central pipe hole 7-1, high-pressure liquid flows into the liquid spraying assembly 8, the valve core 8-3 of the liquid spraying valve is opened under the action of the high-pressure liquid, and the high-pressure liquid enters the flow channel 8-5.
The main body intercepting component consists of a valve plate 12, a telescopic pin shaft 11, a torsion spring 10, a torsion spring sealing cover 9 and a central pipe 7, wherein in the normal drilling process, the valve plate 12 is jacked open by the central pipe 7, and the valve plate 12 is opened; when the mud bag drill is generated, the central pipe 7 does not push the valve plate 12 any more, the valve plate 12 is in an unlocked state, and the valve plate 12 is closed through the pre-torque of the torsion spring 10.
The locking assembly consists of a locking block 15 and a locking valve seat 14, and in the normal drilling process, the locking block 15 retracts and does not lock the valve plate 12; when the mud bag is stuck, the locking block 15 extends out to lock the valve plate 12.
The invention has the beneficial effects that: the underground intelligent control system has the function of releasing the stuck drill while drilling, can perform intelligent control, reduce the non-working time of drilling, reduce the drilling cost, improve the drilling safety, can efficiently, economically and safely process the accident of stuck drill in mud, shortens the drilling period and reduces the drilling cost.
Drawings
FIG. 1 is a schematic structural diagram of an intelligent stuck-while-drilling stuck-freeing device for drilling according to the present invention.
Fig. 2 is a schematic structural view showing the valve plate closed and the liquid discharge valve opened.
Fig. 3 is a partial enlarged view of i in fig. 1.
In the figure: 1. the liquid spraying valve comprises an upper connector, 2 a driving assembly electromagnetic valve, 3 a hydraulic cavity, 4 a plunger, 5 a stop block, 6 a spring, 7 a central pipe, 7-1 a central pipe hole, 8 a liquid spraying assembly, 8-1 a spring seat, 8-2 a liquid spraying valve spring, 8-3 a liquid spraying valve core, 8-4 a liquid spraying valve cover, 8-5 a flow passage, 8-6 a liquid spraying valve seat, 9 a torsion spring sealing cover, 10 a torsion spring, 11 a telescopic pin shaft, 12 a valve plate, 13 a lower connector, 14 a locking valve seat and 15 a locking block.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, the intelligent drilling while-drilling stuck releasing device mainly comprises an upper joint 1, a lower joint 13, a driving assembly, a liquid spraying assembly 8, a locking assembly and a main body intercepting assembly, wherein the tail part of the upper joint 1 is connected with the end part of the lower joint 13 through threads; the driving assembly consists of a driving assembly electromagnetic valve 2, a plunger 4, a spring 6, a central pipe 7 and a stop block 5, and the driving assembly electromagnetic valve 2 is fixedly connected to the upper joint 1 through threads; the plunger 4 is arranged in the hydraulic cavity 3 of the upper joint 1 in a clearance fit manner; the end of the lower joint 13 is provided with a spring 6 which is matched through a gap; the liquid spraying assembly 8 consists of a spring seat 8-1, a liquid spraying valve spring 8-2, a liquid spraying valve core 8-3, a liquid spraying valve seat 8-6, a liquid spraying valve cover 8-4 and a flow channel 8-5, wherein the liquid spraying valve seat 8-6 is in threaded connection with the lower connector 13, and the liquid spraying valve cover 8-4 is also in threaded connection with the liquid spraying valve seat 8-6; the main body intercepting component consists of a valve plate 12, a telescopic pin shaft 11, a torsion spring 10 and a torsion spring sealing cover 9, wherein the valve plate 12 is installed in the middle of the telescopic pin shaft 11, the torsion spring 10 is installed at two ends of the telescopic pin shaft 11, and the torsion spring 10 is in a pre-tightening state during normal drilling; the locking assembly consists of a locking block 15 and a locking valve seat 14.
As shown in fig. 1 and 2, the driving assembly is composed of a driving assembly solenoid valve 2, a plunger 4, a spring 6, a central tube 7 and a stopper 5. The drive assembly solenoid valve 2 is fixed on the upper joint 1 through threaded connection, the plunger 4 is installed in the hydraulic cavity 3 of the upper joint 1 through clearance fit, the spring 6 is installed inside the lower joint 13 through hole fit, and the central pipe 7 is installed inside the spring 6. When solving the mud bag, drive assembly solenoid valve 2 opens, and the high-pressure liquid flows into the drilling string in hydraulic pressure chamber 3, and spring 6 resumes former length, drives center tube 7 and dog 5, and plunger 4 moves towards drive assembly solenoid valve 2 direction.
As shown in fig. 1 and 2, four hydraulic chambers 3 are formed in the upper joint 1 for mounting a plunger 4, one side of the plunger 4 is in contact with a stopper 5, and the hydraulic chambers 3 are communicated with the driving assembly solenoid valve 2.
As shown in fig. 1 and 2, the lower joint 13 is provided with four liquid spraying assemblies 8 on the same cross section, so that the fluid can flow out from all directions, and the high-efficiency unfreezing is realized.
As shown in fig. 1, 2 and 3, the liquid ejecting assembly 8 is composed of a spring seat 8-1, a liquid ejecting valve spring 8-2, a liquid ejecting valve core 8-3, a liquid ejecting valve seat 8-6, a liquid ejecting valve cover 8-4 and a flow passage 8-5. The valve seat 8-6 of the liquid spraying valve is in threaded connection with the lower connector 13, the valve cover 8-4 of the liquid spraying valve is in threaded connection with the valve seat 8-6 of the liquid spraying valve, and the spring seat 8-1 is welded with the valve core 8-3 of the middle liquid spraying valve. The installation sequence is as follows: firstly, installing a liquid spraying valve core 8-3 in a liquid spraying valve seat 8-6 from the top; then a liquid spraying valve spring 8-2 is arranged below the liquid spraying valve seat 8-6; then welding the spring seat 8-1 on the valve core 8-3 of the liquid spraying valve; finally, the assembled spray assembly 8 is mounted on lower joint 13. In the normal drilling process, the liquid spraying valve spring 8-2 is in a pre-compression state, the flow passage 8-5 is closed, and a sealing ring is adopted to seal the position needing to be sealed.
The principle of the invention is as follows: during normal drilling, the driving assembly electromagnetic valve 2 and the liquid spraying assembly 8 are both in a closed state, the valve plate 12 is in an open state, the plunger 4 is far away from the driving assembly electromagnetic valve 2, the central pipe 7 jacks the valve plate 12, the spring 6 and the torsion spring 10 are in a compressed state, and the locking block 15 is in a retracted state. When mud is wrapped, the driving assembly electromagnetic valve 2 is opened, high-pressure liquid in the hydraulic cavity 3 flows into a drill string, the plunger 4 is close to the driving assembly electromagnetic valve 2, the central pipe 7 does not push the valve plate 12 open any more, the valve plate 12 is closed, the liquid spraying assembly 8 is opened, the flow channel 8-5 is in an open state, and the locking block 15 extends out of the locking valve plate 12. After locking is completed, the electromagnetic valve is closed, the pump is started, high-pressure liquid enters the liquid spraying assembly 8 through the hole 7 of the central pipe, and then is sprayed out from the flow channel 8-5 to wash mud bags, so that the aim of releasing the blockage is fulfilled.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010007532.3A CN111155953B (en) | 2020-01-04 | 2020-01-04 | Intelligent Drilling and Stuck Release Device while Drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010007532.3A CN111155953B (en) | 2020-01-04 | 2020-01-04 | Intelligent Drilling and Stuck Release Device while Drilling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111155953A true CN111155953A (en) | 2020-05-15 |
| CN111155953B CN111155953B (en) | 2023-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010007532.3A Active CN111155953B (en) | 2020-01-04 | 2020-01-04 | Intelligent Drilling and Stuck Release Device while Drilling |
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| CN (1) | CN111155953B (en) |
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|---|---|---|---|---|
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| US20190368289A1 (en) * | 2017-12-25 | 2019-12-05 | China University Of Petroleum (East China) | Screw drill bypass valve with large displacement diversion function and a method of using same |
-
2020
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|---|---|---|---|---|
| US5086852A (en) * | 1990-08-27 | 1992-02-11 | Wada Ventures | Fluid flow control system for operating a down-hole tool |
| RU69560U1 (en) * | 2006-11-13 | 2007-12-27 | Общество С Ограниченной Ответственностью "Вниибт-Буровой Инструмент" | DRILLING RING OVERVALVE |
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| EP2481882A1 (en) * | 2011-01-27 | 2012-08-01 | Weatherford/Lamb Inc. | A subsurface safety valve including safe additive injection |
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| Publication number | Publication date |
|---|---|
| CN111155953B (en) | 2023-10-13 |
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Inventor after: Zhang Huiyao Inventor after: Zhou Shichao Inventor after: Xiao Shihong Inventor after: Zhang Jingke Inventor after: Ke Yayong Inventor before: Xiao Shihong Inventor before: Zhou Shichao Inventor before: Zhang Huiyao Inventor before: Zhang Jingke Inventor before: Ke Yayong |
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