CN107288544B - A kind of directional drilling device - Google Patents
A kind of directional drilling device Download PDFInfo
- Publication number
- CN107288544B CN107288544B CN201610202111.XA CN201610202111A CN107288544B CN 107288544 B CN107288544 B CN 107288544B CN 201610202111 A CN201610202111 A CN 201610202111A CN 107288544 B CN107288544 B CN 107288544B
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- China
- Prior art keywords
- directional drilling
- drilling device
- injector head
- ball cover
- injection axis
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- 238000005553 drilling Methods 0.000 title claims abstract description 81
- 238000002347 injection Methods 0.000 claims abstract description 22
- 239000007924 injection Substances 0.000 claims abstract description 22
- 230000000712 assembly Effects 0.000 claims abstract description 9
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 13
- 239000011435 rock Substances 0.000 description 11
- 230000008901 benefit Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005507 spraying Methods 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
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 proposes a kind of directional drilling devices.Directional drilling device includes shell component, and the shell component has outer cylinder, connecting cylinder and the ball cover set gradually；Ejection assemblies, the ejection assemblies have the injector head hinged with the ball cover and extend to the injection axis being fixedly connected in the inner cavity of the outer cylinder and with the injector head；The driving assembly that the injector head can be driven to move relative to the ball cover.Drilling efficiency can be improved using the directional drilling device, while guaranteeing drilling quality.
Description
Technical field
The present invention relates to oil and gas exploitation device, especially a kind of directional drilling device.
Background technique
During oil-gas exploration and development, drilling cost accounts for the 50% of entire shaft building cost, remaining 50% be used for well work
Industry, including setting of casing, well cementation, well logging, Well Completion Engineering of Oil Reservoirs etc..To a certain extent, the high cost of drillng operation limits unconventional
The economical and efficient of oil gas, Deep Oil And Gas Exploration and marine oil and gas is developed.If drilling machinery drilling speed doubled, it is possible to reduce entire
Oil-gas field development benefit is substantially improved in the 25% of shaft building cost.High-pressure water jet drilling well technology is carried out brokenly using high-energy fluid
Rock or auxiliary rock, since drilling machinery drilling speed can be significantly improved, once obtain business application, it will oil-gas exploration and development is produced
Raw revolutionary influence.High-pressure water jet drilling well technology is combined with coiled tubing, in old well reentry, slimhole drilling, directional well
Clearly with the advantage of sidetracked hole etc..
But in drilling process, it is often necessary to well straightening or orientation, and completed in the prior art frequently with following methods
Construction requirement: it is wanted first is that adjusting the camber of down-hole motor by making a trip or replacing down-hole motor to meet different build angle rates
It asks.Second is that adjusting the tool face azimuth of down-hole motor by directional orientation tool, i.e., TRAJECTORY CONTROL is carried out by being swung left and right orientation.Three
It is that rotary steerable tool selection is driven by down-hole motor using rotary steerable tool, when needing to orient or adjusting well track,
Ground launch instructs to realize.In the first method, drilling period is more normal, and is easily reduced the use longevity of continuous pipe
Life.In the second approach, institute's bored borehole track is rough, while not can be carried out increasing hole angle operation.Although the third method compares
It is advanced, but cost is relatively high.It after the completion of orientation, when needing to take out rotary steerable tool, needs to carry out round trip, increases
Drilling period is added.
Thus, it is desirable to which a kind of directional drilling device is so that drilling or well straightening are easy to operate.
Summary of the invention
For some or all of of the above-mentioned technical problem in the presence of the prior art, the invention proposes a kind of orientations
Drilling apparatus.When needing to orient or adjusting well track, it is fixed to realize that oriented workpiece is cooperated by the directional drilling device
To improving drilling efficiency so that not needing round trip in drilling process.
According to the invention it is proposed that a kind of directional drilling device, comprising:
Shell component, shell component have outer cylinder, connecting cylinder and the ball cover set gradually,
Ejection assemblies, ejection assemblies have the injector head hinged with ball cover and extend in the inner cavity of outer cylinder simultaneously and injector head
The injection axis being fixedly connected,
The driving assembly that injector head can be driven to move relative to ball cover.
In one embodiment, driving assembly includes:
Power source on the inner wall of shell component is set,
The transmission mechanism being connect with power source,
The actuator being connect with transmission mechanism, and
Can be matched by moving part with actuator, it is fixedly connected by moving part with injector head.
In one embodiment, actuator is configured to gear, and is fluted disc, the motion profile and axial direction of gear by moving part
In parallel, and fluted disc is the fanning strip radially outward and axially extended by injection axis.
In one embodiment, driving assembly includes two two be at right angles distributed in the circumferential direction of injection axis drivings
Part, and the motion profile of two actuators is vertical.
In one embodiment, equally distributed fluted disc in four circumferential directions is set in injection axis.
In one embodiment, elastic seal assembly is set between injection axis and outer cylinder.
In one embodiment, elastic seal assembly has the rubber bowl being set in injection axis.
In one embodiment, sealing element is set between injector head and ball cover.
In one embodiment, contrainjector is set on the part for extending ball cover of injector head.
In one embodiment, cutting tooth is set in the front end of injector head.
Compared with the prior art, the advantages of the present invention are as follows by the way that driving assembly is arranged on directional drilling device, to drive
Dynamic injector head is moved relative to ball cover, to realize downhole orientation or adjustment well track.As a result, in drilling process, make
Round trip is not needed with the device, to improve drilling efficiency, avoids the drillng operation period long, the high problem of operating cost.
Meanwhile during the adjustment, only injector head relatively rotates, and TRAJECTORY CONTROL is carried out without waving, to ensure that well
The smooth degree of eye track.In addition, high using the directional drilling device drilling efficiency, production cost is relatively low.
Detailed description of the invention
The preferred embodiment of the present invention is described in detail below in conjunction with attached drawing, in figure:
Fig. 1 shows the profilograph of the directional drilling device of embodiment according to the present invention；
Fig. 2 shows the ejection assemblies of embodiment according to the present invention and the perspective view of driving assembly；
In the accompanying drawings, identical component uses identical appended drawing reference, and the attached drawing is not drawn according to the actual ratio.
Specific embodiment
Below in conjunction with attached drawing, the present invention will be further described.
Fig. 1 show embodiment according to the present invention for directional drilling device 100.As shown in Figure 1, directional drilling fills
Setting 100 includes shell component 1, ejection assemblies 2 and driving assembly 3.Wherein, shell component 1 is used to connect with downhole tool, and in protection
Portion's structure.Also, shell component 1 has outer cylinder 11, connecting cylinder 12 and the ball cover 13 set gradually.Ejection assemblies 2 have injector head
21 and injection axis 22.The front end of directional drilling device 100 is arranged in injector head 21, for spraying highly pressurised liquid outward, to realize
High-pressure jet drilling well.Also, injector head 21 and ball cover 13 are hinged.Injection axis 22 is fixedly connected with injector head 21, and to outer cylinder 11
Inner cavity in extend.Driving assembly 3 is configured to driving injector head 21 and moves relative to ball cover 13, opposite to adjust injector head 2
In the relative angle of shell component 1.
It can be moved relative to shell component 1 by injector head 2, which can turn curved.In drilling process
In, when needing to orient or adjusting well track, orientation can be realized by the directional drilling device 100.Using as a result, should
When directional drilling device 100, round trip is not needed in entire drilling process to adjust the camber of down-hole motor, improved
Drilling efficiency.Meanwhile being also avoided that existing continuous pipe well-drilling borehole TRAJECTORY CONTROL is poor using the directional drilling device 100, operation
The cost period is long, disadvantage at high cost.
In one embodiment, support sleeve 4 is set in connecting cylinder 12.The mode that support sleeve 4 can be connected through a screw thread
It is arranged on the inner wall of connecting cylinder 12.Driving assembly 3 includes power source 31, transmission mechanism 32, actuator 33 and by moving part 34.Its
In, power source 31 can be motor, to be used to provide power for actuator 33, to drive actuator 33 to move.And transmission mechanism
32 are arranged between power source 31 and actuator 33, will be in the energy transmission of power source 31 to actuator 33.In structure, move
Power source 31 and transmission mechanism 32 are fixed on support sleeve 4, to limit the position of power source 31 and transmission mechanism 32.By moving part 34
Match with actuator 33, be in addition fixedly connected by moving part 34 with injector head 21, is driven with being moved under the driving of actuator 33
Injector head 21 is moved relative to shell component 1.
Preferably, actuator 33 is configured to gear, and is fluted disc by moving part 34, as shown in Figure 2.The motion profile of gear
It is parallel with axial direction, and fluted disc is the fanning strip radially outward and axially extended by injection axis 22.Preferably, driving assembly 3 wraps
Two two actuators 33 being at right angles distributed in the circumferential direction of injection axis 22 are included, and the motion profile of two actuators 33 hangs down
Directly.It is further preferred that equally distributed fluted disc in four circumferential directions is arranged in injection axis 22.Pass through this set, actuator
33 can drive in a different direction by the movement of moving part 34, and drive injector head 21 relative to axis oscillating, to realize angle
Degree adjustment.Meanwhile after the completion of deflecting or correction, actuator 33 can also be driven by this structure, injector head 21 is answered
Position.
In one embodiment, elastic seal assembly 5 is set between injection axis 22 and outer cylinder 11.Preferably, elasticity is close
Sealing assembly 5 has the rubber bowl 51 being set in injection axis 22.Also, multiple rubber bowls 51 can be set in injection axis 22,
To increase sealing effect.Simultaneously as rubber bowl 51 has elasticity, in 22 swing process of injection axis, injection axis is had no effect on
Leakproofness between 22 and outer cylinder 11.
In one embodiment, sealing element 6 is set between injector head 21 and ball cover 13, and the setting of sealing element 6 is being sprayed
First 21 front end is penetrated, influences the relative motion between injector head 21 and ball cover 13 to prevent impurity from entering.Preferably, sealing element
6 be sealing ring.
In one embodiment, contrainjector 7 is set on the part for extending ball cover 13 of injector head 21.It was creeping into
Cheng Zhong, highly pressurised liquid can spray liquid by contrainjector 7 outward, so that injector head 21 generates forward thrust, and push
Directional drilling device 100 is crept into forward.
In one embodiment, cutting tooth 8 is set in the front end of injector head 21.Preferably, cutting tooth 8 can be multiple for PDC
Close piece cutting tooth.Under the drive of mud motor, directional drilling device 100 rotate so that cutting tooth 8 to bottom rock into
Row rotation broken rock, improves efficiency of breaking rock.
The method for carrying out drilling well using directional drilling device 100 below according to Fig. 1 to Fig. 2 detailed description.
Firstly, directional drilling device 100 is connect with continuous pipe and downhole tool, and ensure to be connected firmly, sealed reliable.
Using continuous pipe by 100 G.I.H of directional drilling device.
Then, start high-pressure pump.In straight well section drilling process, drilling fluid flows through directional drilling device by continuous pipe
Broken rock nozzle 23 on 100, the high-pressure water jet of generation are crushed rock.At the same time it can also pass through ground power supply to well
Lower electrodrill power supply, drives directional drilling device 100 to rotate, and realizes that directional drilling device 100 rotates broken rock.At this point, cutting
Tooth 8 carries out rotation broken rock to bottom rock, improves efficiency of breaking rock.It is filled in addition, drilling fluid flows through directional drilling by continuous pipe
100 contrainjector 7 is set, is pressurizeed to orientation drilling apparatus 100, and push directional drilling device 100 forward in drilling process
Drilling.
When directional drilling device 100 carries out inclination section drilling, ground control system is filled to steering tool and directional drilling
100 firing orders are set, signal is sent to underground by cable, realizes work by directional orientation tool and the cooperation of directional drilling device 100
Has the adjustment of face angle.After inclination section finishing drilling, 100 deflection angle of directional drilling device is adjusted to 0 °, realizes normal drilling.
In addition, when needing to carry out correction operation, can also be controlled if well track deviates the borehole track of design with ground
System gives steering tool and directional drilling device 100 firing order, and signal is sent to underground by cable, by directional orientation tool and
The adjustment of the cooperation implementation tool face angle of directional drilling device 100.After well straightening finishing drilling, 100 deflection angle of directional drilling device is adjusted
To 0 °, normal drilling is realized.
When brill reaches predetermined well depth, ground high-pressure pump is closed, and directional drilling device 100 is proposed by coiled tubing.
The foregoing is merely the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, Ren Heben
The technical staff in field can be easy to carry out and be altered or varied in technical scope disclosed by the invention, and this change or change
Change should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (8)
1. a kind of directional drilling device characterized by comprising
Shell component, the shell component have outer cylinder, connecting cylinder and the ball cover set gradually,
Ejection assemblies, the ejection assemblies have the injector head hinged with the ball cover and extend in the inner cavity of the outer cylinder simultaneously
The injection axis being fixedly connected with the injector head,
The driving assembly that the injector head can be driven to move relative to the ball cover；The driving component includes:
Power source on the inner wall of the shell component is set,
The transmission mechanism being connect with the power source,
The actuator being connect with the transmission mechanism, and
Can be matched by moving part with the actuator, it is described to be fixedly connected by moving part with the injector head；
The actuator is configured to gear, and described by moving part is fluted disc, and the motion profile of the gear is parallel with axial direction, and
And the fluted disc is the fanning strip radially outward and axially extended by the injection axis.
2. directional drilling device according to claim 1, which is characterized in that the driving component includes two in the spray
Two actuators being at right angles distributed in the circumferential direction of axis are penetrated, and the motion profile of two actuators is vertical.
3. directional drilling device according to claim 2, which is characterized in that be arranged in four circumferential directions in the injection axis
Equally distributed fluted disc.
4. according to claim 1 to directional drilling device described in any one of 3, which is characterized in that in the injection axis and institute
It states and elastic seal assembly is set between outer cylinder.
5. directional drilling device according to claim 4, which is characterized in that the elastic seal assembly, which has, is set in institute
State the rubber bowl in injection axis.
6. according to claim 1 to directional drilling device described in any one of 3, which is characterized in that in the injector head and institute
It states and sealing element is set between ball cover.
7. according to claim 1 to directional drilling device described in any one of 3, which is characterized in that in prolonging for the injector head
It stretches out on the part of ball cover and contrainjector is set.
8. according to claim 1 to directional drilling device described in any one of 3, which is characterized in that before the injector head
End setting cutting tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610202111.XA CN107288544B (en) | 2016-04-01 | 2016-04-01 | A kind of directional drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610202111.XA CN107288544B (en) | 2016-04-01 | 2016-04-01 | A kind of directional drilling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107288544A CN107288544A (en) | 2017-10-24 |
| CN107288544B true CN107288544B (en) | 2019-01-01 |
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ID=60087379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610202111.XA Active CN107288544B (en) | 2016-04-01 | 2016-04-01 | A kind of directional drilling device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107288544B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108060898B (en) * | 2018-01-09 | 2020-05-08 | 东营市昌瑞石油机械配件有限责任公司 | Self-cleaning desander |
| CN109083594B (en) * | 2018-08-17 | 2020-04-07 | 中煤科工集团重庆研究院有限公司 | Coal seam hydraulic direction adjustable drilling device |
| CN110952927B (en) * | 2019-12-16 | 2021-06-22 | 中国石油大学(华东) | Double-pipe type high-pressure abrasive jet horizontal drilling device |
| CN112761529B (en) * | 2021-03-02 | 2022-12-27 | 辽宁石油化工大学 | Automatic deflecting drilling device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005052305A1 (en) * | 2003-11-19 | 2005-06-09 | Weatherford/Lamb, Inc. | Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| WO2006110461A2 (en) * | 2002-12-16 | 2006-10-19 | Halliburton Energy Services, Inc. | Drilling with casing |
| CN202689934U (en) * | 2012-06-21 | 2013-01-23 | 中国石油化工股份有限公司 | Underground vibration damper |
| WO2014200416A1 (en) * | 2013-06-14 | 2014-12-18 | Lkab Wassara Ab | Arrangement and down-the-hole drilling equipment for angular setting of a drill string |
| CN204175179U (en) * | 2014-10-13 | 2015-02-25 | 马钢(集团)控股有限公司 | Rotary drill hoisting mechanism taper sleeve type stopping means |
| CN105143591A (en) * | 2013-03-05 | 2015-12-09 | 哈里伯顿能源服务公司 | Roll reduction system for rotary steerable system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9410376B2 (en) * | 2012-08-23 | 2016-08-09 | Ramax, Llc | Drill with remotely controlled operating modes and system and method for providing the same |
-
2016
- 2016-04-01 CN CN201610202111.XA patent/CN107288544B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006110461A2 (en) * | 2002-12-16 | 2006-10-19 | Halliburton Energy Services, Inc. | Drilling with casing |
| WO2005052305A1 (en) * | 2003-11-19 | 2005-06-09 | Weatherford/Lamb, Inc. | Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| CN202689934U (en) * | 2012-06-21 | 2013-01-23 | 中国石油化工股份有限公司 | Underground vibration damper |
| CN105143591A (en) * | 2013-03-05 | 2015-12-09 | 哈里伯顿能源服务公司 | Roll reduction system for rotary steerable system |
| WO2014200416A1 (en) * | 2013-06-14 | 2014-12-18 | Lkab Wassara Ab | Arrangement and down-the-hole drilling equipment for angular setting of a drill string |
| CN204175179U (en) * | 2014-10-13 | 2015-02-25 | 马钢(集团)控股有限公司 | Rotary drill hoisting mechanism taper sleeve type stopping means |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107288544A (en) | 2017-10-24 |
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