CN207049216U - Semi-automatic torque couple device - Google Patents
Semi-automatic torque couple device Download PDFInfo
- Publication number
- CN207049216U CN207049216U CN201720685654.1U CN201720685654U CN207049216U CN 207049216 U CN207049216 U CN 207049216U CN 201720685654 U CN201720685654 U CN 201720685654U CN 207049216 U CN207049216 U CN 207049216U
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- China
- Prior art keywords
- upper shell
- semi
- drilling
- splined shaft
- protector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 230000001012 protector Effects 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000008676 import Effects 0.000 claims description 6
- 239000010687 lubricating oil Substances 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 88
- 239000012530 fluid Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 12
- 238000013461 design Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 12
- 150000001875 compounds Chemical class 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
It the utility model is related to a kind of semi-automatic torque couple device in oil and gas well drilling device field.Mainly imported body by upper shell, protector, pressure transmission hole, pressure sensor device, stepper motor, fixed floor, power transmission shaft, sealing device, by-pass prot, splined shaft, bearing, lower house, spline and formed.In drilling process, moment of torsion caused by ground installation is transferred to shaft bottom drill bit along BHA, semi-automatic torque couple device is arranged in BHA according to Drilling Design, operating personnel are turned on and off using drilling fluid remote control motor internal, and then control splined shaft to stretch out or retract and lock, realize moment of torsion connection and disconnect.Semi-automatic torque couple device can effectively solve the problem that " dragging pressure " problem of generally existing in the complex structural well drilling process such as long horizontal sections horizontal well, extended reach well, for further reducing the sliding-frictional resistance between BHA and the borehole wall, improve well smoothness, it is significant to improve complex structural well drilling efficiency.
Description
Technical field
Oil and gas well drilling, CBM Drilling, geological prospecting, mine drilling rig field are the utility model is related to, especially
It is a kind of semi-automatic torque couple device.
Background technology
In the drilling process of complex structural well such as directional well, long horizontal sections horizontal well, high angle hole, extended reach well, ground
Moment of torsion caused by equipment is transferred to shaft bottom drill bit along drill string, drives bit broken rock, the drilling well of complex structural well mainly by
Two kinds of drilling modes of slipping drilling and compound drilling be combined with each other completion.Hold angle well section is mainly compound drilling, i.e. drill set
Integral-rotation is closed, now the friction pair between drill string and the borehole wall belongs to rolling friction, and frictional resistance is smaller, is advantageous to fast drilling；
The drilling mode of well section is oriented to, domestic main use is implemented drillng operation for the slide drilling system of power by MTR, moved
Power drilling tool drives bit broken rock, and drill string does not rotate in itself, but because the effect of deadweight lies low in shaft bottom, drill string and the borehole wall
Between friction pair belong to sliding friction, cause frictional resistance is larger to be difficult to the effective application the pressure of the drill of drill bit, cause " de- pressure " phenomenon,
It has impact on drilling efficiency.Foreign countries have been able to overcome completely frictional resistance during steerable drilling due to possessing rotary steerable drilling technology
Problem, the country are just actively developing the research of rotary steerable drilling technology, but because of external technical monopoly and critical component
Limitation, there is presently no successful commercialization application, only rely on import or rent the product of offshore company, considerably increase drilling well
Integrated cost.Although domestic complex structural well drilling technology is difficult to the technique of BHA integral-rotation guiding,
But based on the principle of complex structural well drilling technology, another part BHA can be rotated using a part of BHA and do not rotated
（Slide）Method crept into, can also be greatly reduced the frictional resistance in drilling process, reduce the influence of " de- pressure ", it is this
The effect of method, between conventional drilling technology and advanced rotary steerable drilling technology, that is, compares conventional processing technique
Frictional resistance can be further reduced, improves drilling efficiency, and cost is saved than rotary steerable drilling technique, is a kind of very suitable
Together in the practicality technology of domestic prior art equipment condition.By above-mentioned analysis, both having had in underground has and will can bore
The moment of torsion for having combination connects function with disconnecting in real time, has the uninterrupted device for transmitting axial force function again, be realize it is above-mentioned
The key of technique.Therefore, it is badly in need of a kind of ground of design to be accurately remotely controlled, and can meets the automatic of complex structural well drilling technology requirement
Torque couple device, at the same it is also simple in construction, cost is cheap, easy to maintenance.
Utility model content
The purpose of this utility model is to minimize the influence of frictional resistance, is set in no rotary steerable drilling
Under conditions of standby, the function of existing slurry power motor is given full play to, becomes conventional full slide drilling mode as part rotary drilling
Mode, improve steerable drilling construction operation efficiency, reduce drilling cost, further improve directional well, long horizontal sections horizontal well,
The wellbore quality and drilling safety of the complex structural wells such as high angle hole, extended reach well, surveyed for oil and gas well drilling, geology
Visit, the job site of mine probing provides a kind of semi-automatic torque couple device.
Technical scheme is used by the utility model solves its technical problem：
1. semi-automatic torque couple device, including upper shell 1, protector 2, pressure sensor device 4, stepper motor 5,
Power transmission shaft 7, splined shaft 11 and lower house 14, wherein：Upper shell 1 and the coaxial rotating of lower house 14 form shell after being tightly connected
Body, is provided with interior convex edge in the stage casing of upper shell 1, and the inwall of upper shell 1 and the joint portion of lower house 14 below interior convex edge is provided with spline
Groove；Protector 2 is upper end closed, the barrel of lower ending opening, in its lower end Nei She convex edges, passes through rib outside protector 2
Plate 6 is fixed in upper shell 1 above convex edge, flow-guiding channel is formed between protector 2 and upper shell 1, on the top of protector 2
Portion or outside portion open up pressure transmission hole 3；Pressure sensor device 4 and stepper motor 5 are fixed in the protector 2 of the lower section of pressure transmission hole 3
Portion；Power transmission shaft 7 is connected to the lower end of stepper motor 5；The top of splined shaft 11 sets outer convex edge and interior blind plate, and its outer convex edge fills with protection
The spacing cooperation vertically of 2 lower end convexes is put, for interior blind plate with power transmission shaft 7 axially to spacing cooperation, middle part is provided with by-pass prot 9, bypass
Hole penetrates the flow-guiding channel between protector 2 and upper shell 1 and the central through hole below the blind plate of splined shaft 11, splined shaft 11
Coordinated with the joint portion of power transmission shaft 7 using screw pair, the bottom of splined shaft 11 is extension diameter section, and extension diameter section outer wall is provided with spline, spline and
The spline of upper shell 1 and the joint portion inwall of lower house 14 forms grafting and coordinated.
Such scheme further comprises：
Rotatory sealing is connected and composed between upper shell 1 and lower house 14 by bearing 12 to coordinate.
Processing spline imports body 15 at the top of the spline of lower house 14.
Sealing device is installed respectively in splined shaft 11 and protector 2, upper shell 1 and the pairing portion of lower house 14.
The space of power transmission shaft 7 and splined shaft 11 is full of lubricating oil.
The contact surface of upper shell 1 and lower house 14 inlays friction-proof piece.
Semi-automatic torque couple device of the present utility model is in complex structural well drilling process, semi-automatic torque couple dress
Put and be arranged on according to Drilling Design in BHA, when carrying out compound drilling in hold angle well section, ground handling operator utilizes brill
Well pump inputs the drilling fluid with pressure pulsation frequencies feature into BHA, and drilling fluid enters semi-automatic torque couple device
When, successively by the annular space between protector and upper shell, splined shaft by-pass prot, splined shaft inside center hole, lower house, so
After flow to lower drilling tool, be finally reached shaft bottom drill bit, at the same time, the pressure pulse signal contained in drilling fluid passes through pressure transmission hole
Pressure sensor device is transferred to, after pressure sensor device receives signal, triggering stepper motor rotates, and then drives power transmission shaft to turn
Dynamic, due to being that screw pair coordinates between power transmission shaft and splined shaft, therefore splined shaft starts to move down, and is imported in lower house spline
Body importing effect under, splined shaft enters lower house spline, between splined shaft and upper shell be also spline fitted, splined shaft top
Disconnecting prevention structure is designed between protector, when disconnecting prevention structure contacts, i.e., splined shaft comes downwards to lower dead center, and splined shaft is with
Complete cooperation is realized between housing spline, while the area of passage of by-pass prot is blocked and subtracted by upper shell internals on splined shaft
It is small, but be not completely turned off, the reduction of area of passage can cause the increase of drilling fluid flowing pressure, ground drilling pump pressure liter
Height, just it can judge that semi-automatic torque couple device is in closure state according to this phenomenon, and the moment of torsion of top drilling tool transmission is just
Lower drilling tool is transferred to by the spline pair formed between upper shell, splined shaft, lower house three, and then drives bit to break
Rock, and the axial force of top drilling tool is transferred to bottom also by the bearing between upper shell, upper shell and lower house, lower house and bored
Tool is until drill bit；When being oriented to well section and carrying out slipping drilling, according to identical operating method, simply operating personnel utilize drilling pump
The pressure signal included in the drilling fluid of input is different, and the pressure sensor device in semi-automatic torque couple device receives signal
Afterwards, triggering driving stepper motor power transmission shaft rotates backward, and drives splined shaft to move up, when splined shaft is moved up to top dead centre,
Splined shaft departs from lower house spline, coordinates and releases, and the by-pass prot on splined shaft is opened completely, and drilling fluid flowing pressure reduces,
Ground drilling pump pressure reduces, so as to judge that semi-automatic torque couple device is in released state, because upper shell is with
Bearing is installed, therefore upper shell can be rotated independently relative to lower house between housing, i.e., semi-automatic torque couple device can not will be upper
The moment of torsion of portion's drilling tool is transferred to lower drilling tool, but remains to continue to transmit axial force, and now top drilling tool realizes rotary drilling, and under
Portion's drilling tool realizes slipping drilling, has reached that both to keep steering tool face to stablize constant, reduces the purpose of bore hole friction resistance again.
Live downhole testing result shows, drilling efficiency 75.6%- can be averagely improved using semi-automatic torque couple device
96.8%, and drilling quality meets design standard, it is inexpensive, efficient on the basis of having reached existing weaponry and equipment at home and technology
Rate completes the purpose of complex structural well wellbore construction, has broken foreign technology monopolization, for improving China's complex structural well drilling well
Technology level and competitiveness in the international market, there is provided strong technical support.
Meanwhile semi-automatic torque couple device also has the characteristics that structure design simple, dependable performance, easy to operate.
Brief description of the drawings
Fig. 1 is semi-automatic torque couple apparatus structure schematic diagram of the present utility model.
Fig. 2 is semi-automatic torque couple device Section A-A schematic diagram of the present utility model.
Fig. 3 is semi-automatic torque couple device lower house spline structure schematic diagram of the present utility model.
In figure：1- upper shells, 2- protectors, 3- pressure transmission holes, 4- pressure sensor devices, 5- stepper motors, 6- floors, 7-
Power transmission shaft, 8- sealing devices, 9- by-pass prots, 10- sealing devices, 11- splined shafts, 12- bearings, 13- sealing devices, 14- lower casings
Body, 15- splines import body.
Embodiment
It is described in detail the utility model below in conjunction with the accompanying drawings.
Referring to the drawings 1, Fig. 2 and Fig. 3, semi-automatic torque couple device mainly by upper shell 1, protector 2, pressure transmission hole 3,
Pressure sensor device 4, stepper motor 5, fixed floor 6, power transmission shaft 7, sealing device 8, by-pass prot 9, splined shaft 11, bearing 12,
Lower house 14, spline import body 15 and formed.Protector 2 is fixed on inside upper shell 1, pressure sensor device 4, stepper motor 5
Inside protector 2, pressure sensor device is arranged on the upper end of stepper motor 5, and power transmission shaft 7 is arranged on stepper motor 5
Lower end, fixed floor 6, the top of protector 2 processing pressure transmission hole 3 are installed, power transmission shaft 7 connects between protector 2 and upper shell 1
The top of splined shaft 11 is connected on, sealing device 8 is installed between splined shaft 11 and protector 2, by-pass prot 9 is processed on splined shaft 11,
Sealing device 10 is installed between splined shaft 11 and upper shell 1, bearing 12 and sealing device are installed between upper shell 1 and lower house 14
13, the spline top processing spline of lower house 14 imports body 15.
In complex structural well drilling process, semi-automatic torque couple device is arranged on BHA according to Drilling Design
In, when carrying out compound drilling in hold angle well section, ground handling operator is inputted using drilling pump into BHA has pressure
The drilling fluid of pulse frequency feature, when drilling fluid enters semi-automatic torque couple device, successively by protector 2 and upper shell
Annular space, the by-pass prot 9 of splined shaft 11, splined shaft inside center hole, lower house 14 between 1, then flow to lower drilling tool, finally reach
To shaft bottom drill bit.
At the same time, the pressure pulse signal contained in drilling fluid is transferred to pressure sensor device 4, pressure by pressure transmission hole
After sensing device 4 receives signal, triggering stepper motor 5 rotates, and then drives power transmission shaft 7 to rotate, due to power transmission shaft 7 and spline
It is that screw pair coordinates between axle 11, therefore splined shaft 11 starts to move down, and the importing effect of body 15 is imported in lower house spline
Under, splined shaft 11 enters lower house spline, is also spline fitted between splined shaft 11 and upper shell 1.The top of splined shaft 11 is with preventing
Be designed with disconnecting prevention structure between protection unit 2, when disconnecting prevention structure contacts, i.e. splined shaft 11 comes downwards to lower dead center, splined shaft 11 with
Realized between the spline of lower house 14 it is complete coordinate, while on splined shaft 11 by-pass prot 9 area of passage by the internals of upper shell 1
Block and reduce, but be not completely turned off, the reduction of area of passage can cause the increase of drilling fluid flowing pressure, ground drilling pump
Pressure rise, it can just judge that semi-automatic torque couple device is in closure state according to this phenomenon, and top drilling tool transmission
Moment of torsion is just transferred to lower drilling tool by the spline pair formed between upper shell 1, splined shaft 11, the three of lower house 14, and then drives
Dynamic bit broken rock, and the axial force of top drilling tool also by the bearing 12 between upper shell 1, upper shell 1 and lower house 14,
Lower house 14 is transferred to lower drilling tool until drill bit.
When being oriented to well section progress slipping drilling, according to identical operating method, simply operating personnel are defeated using drilling pump
The pressure signal included in the drilling fluid entered is different, and the pressure sensor device 4 in semi-automatic torque couple device receives signal
Afterwards, triggering stepper motor 5 drives power transmission shaft to rotate backward, and drives splined shaft 11 to move up, when splined shaft 11 moves up supreme stop
During point, splined shaft 11 departs from the spline of lower house 14, coordinates and releases, and the by-pass prot 9 on splined shaft 11 is opened completely, drilling well liquid stream
Dynamic pressure reduces, and ground drilling pump pressure reduces, so as to judge that semi-automatic torque couple device is in released state.Due to
Bearing 12 is installed, therefore upper shell 1 can be rotated independently relative to lower house 14, i.e., semi-automatic torsion between upper shell 1 and lower house 14
The moment of torsion of top drilling tool can not be transferred to lower drilling tool by square coupling device, but remain to continue to transmit axial force, and now top is bored
Tool realizes rotary drilling, and lower drilling tool realizes slipping drilling, has reached that both to keep steering tool face to stablize constant, reduces again and bores
The purpose of well frictional resistance.
Claims (6)
1. semi-automatic torque couple device, including upper shell（1）, protector（2）, pressure sensor device（4）, stepper motor
（5）, power transmission shaft（7）, splined shaft（11）And lower house（14）, it is characterized in that：Upper shell（1）And lower house（14）Coaxial rotating is close
Shell body is formed after envelope connection, in upper shell（1）Stage casing is provided with interior convex edge, the upper shell below interior convex edge（1）And lower house
（14）The inwall of joint portion is provided with spline；Protector（2）For upper end closed, the barrel of lower ending opening, in its lower end
Penetrate convex edge, protector（2）Outside passes through floor（6）It is fixed on upper shell（1）Above interior convex edge, protector（2）With upper casing
Body（1）Between form flow-guiding channel, in protector（2）Top or outside portion open up pressure transmission hole（3）；Pressure sensor device
（4）And stepper motor（5）It is fixed on pressure transmission hole（3）The protector of lower section（2）It is internal；Power transmission shaft（7）It is connected to stepper motor
（5）Lower end；Splined shaft（11）Top sets outer convex edge and interior blind plate, its outer convex edge and protector（2）Lower end convex is vertically
Spacing cooperation, interior blind plate and power transmission shaft（7）Axially by-pass prot is provided with to spacing cooperation, middle part（9）, by-pass prot is by protector
（2）With upper shell（1）Between flow-guiding channel and splined shaft（11）Central through hole insertion below blind plate, splined shaft（11）With biography
Moving axis（7）Joint portion is coordinated using screw pair, splined shaft（11）Bottom is extension diameter section, and extension diameter section outer wall is provided with spline, spline with
Upper shell（1）And lower house（14）The spline of joint portion inwall forms grafting and coordinated.
2. semi-automatic torque couple device according to claim 1, it is characterized in that：Upper shell（1）With lower house（14）It
Between pass through bearing（12）Connect and compose rotatory sealing cooperation.
3. semi-automatic torque couple device according to claim 2, it is characterized in that：Lower house（14）Spline at the top of plus
Work spline imports body（15）.
4. the semi-automatic torque couple device according to claim 1 or 2,3, it is characterized in that：In splined shaft（11）With protection
Device（2）, upper shell（1）And lower house（14）Pairing portion is installed by sealing device respectively.
5. the semi-automatic torque couple device according to claim 1 or 2,3, it is characterized in that：Power transmission shaft（7）With splined shaft
（11）Space be full of lubricating oil.
6. the semi-automatic torque couple device according to claim 1 or 2,3, it is characterized in that, upper shell（1）With lower house
（14）Contact surface inlay friction-proof piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720685654.1U CN207049216U (en) | 2017-06-14 | 2017-06-14 | Semi-automatic torque couple device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720685654.1U CN207049216U (en) | 2017-06-14 | 2017-06-14 | Semi-automatic torque couple device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207049216U true CN207049216U (en) | 2018-02-27 |
Family
ID=61493756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720685654.1U Withdrawn - After Issue CN207049216U (en) | 2017-06-14 | 2017-06-14 | Semi-automatic torque couple device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207049216U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269724A (en) * | 2017-06-14 | 2017-10-20 | 中石化石油工程技术服务有限公司 | Semi-automatic torque couple device |
-
2017
- 2017-06-14 CN CN201720685654.1U patent/CN207049216U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269724A (en) * | 2017-06-14 | 2017-10-20 | 中石化石油工程技术服务有限公司 | Semi-automatic torque couple device |
| CN107269724B (en) * | 2017-06-14 | 2023-11-28 | 中石化石油工程技术服务有限公司 | Semi-automatic torque coupling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180227 Effective date of abandoning: 20231128 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180227 Effective date of abandoning: 20231128 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |