CN206707627U - A kind of continuous pipe window opening tool - Google Patents
A kind of continuous pipe window opening tool Download PDFInfo
- Publication number
- CN206707627U CN206707627U CN201720311981.0U CN201720311981U CN206707627U CN 206707627 U CN206707627 U CN 206707627U CN 201720311981 U CN201720311981 U CN 201720311981U CN 206707627 U CN206707627 U CN 206707627U
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- CN
- China
- Prior art keywords
- pipe
- bearing torque
- tool
- window opening
- milling shoe
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Abstract
The utility model discloses a kind of continuous pipe window opening tool, it is related to Oil ＆ Gas Drilling Technology field, to prevent milling shoe cuts whipstock from designing.Continuous pipe window opening tool includes whipstock and drill tool assembly, the drill tool assembly includes power drilling tool and milling shoe, one end of the power drilling tool connects the milling shoe, and the power drilling tool is fixed with eccentric structure, and the eccentric stiffener can slide along the deflecting surface of the whipstock.When milling shoe cuts set tube side part, power drilling tool diagonally device deflecting surface slide, so that the movement locus of milling shoe is parallel to deflecting surface, all the time certain distance between milling shoe and deflecting surface be present, prevent milling shoe from cutting whipstock, the abrasion of milling shoe is reduced, so as to avoid part-waste, reduces the cost of casing sidetracking.
Description
Technical field
It the utility model is related to Oil ＆ Gas Drilling Technology field, more particularly to a kind of continuous pipe window opening tool.
Background technology
Casing window sidetracking technology is by field application for many years and progressively develops, and forms forging milling formula and whipstock
Formula casing window sidetracking technique, old well utilization rate and development effectiveness are improved, saved drilling cost and ground shaft building expense, passed through
Ji remarkable benefit.It is a kind of new windowing process method to complete sidetracking operation using continuous pipe and kit, has and makes a trip
The characteristics of speed is fast, high financial profit.Saved using continuous pipe tripping in side drilling tool and largely made up a joint the engineering time, be to realize
The important channel that old well utilizes, saves construction period, reducing operating cost, has wide market prospects.
At present, using continuous pipe carry out casing window sidetracking face continuous pipe can not bear moment of torsion, power drilling tool energy compared with
The problems such as low and whipstock serious wear.Conventional casing side tracking technique typically uses rotary disk driller, top drive drilling or well workover
Machine drill head, during side-drilling windowing, the reaction torque of power drilling tool passes to continuous pipe by drilling rod, due to continuous pipe tube wall compared with
It is thin, it is impossible to bear moment of torsion and pressure, the problem of continuous pipe damage easily occur；The power decision of power drilling tool milling shoe milling set
The energy size of pipe, to improve the efficiency of milling sleeve pipe, the milling shoe used in sidetracking operation typically has very strong cutting energy
Power, during casing window sidetracking, sleeve pipe and whipstock are cut by milling shoe simultaneously, due to whipstock hardness compared with
Height, the abrasion of milling shoe have impact on milling shoe mechanical characteristic, cause the inordinate wear of hydraulic energy loss and milling shoe than more serious；Side
After driller's skill terminates, whipstock causes whipstock to waste, and improve Sidetracking because serious wear can not reuse
Cost.
Utility model content
The purpose of this utility model is to propose a kind of continuous pipe that can avoid cutting whipstock, reduction milling shoe wears
Window opening tool.
To use following technical scheme up to this purpose, the utility model：
A kind of continuous pipe window opening tool, including whipstock and drill tool assembly, the drill tool assembly include power drilling tool and milling
Footwear, one end of the power drilling tool connect the milling shoe, and the power drilling tool is fixed with eccentric structure, and the eccentric structure can edge
The deflecting surface of the whipstock slides.
Wherein, the power drilling tool is connected with the milling shoe by flexible nipple.
Wherein, the eccentric structure is convexly equipped with sliding block to the deflecting surface, and the deflecting surface is provided with along the deflecting surface
Length direction extension chute, the sliding block can be along the slide.
Wherein, the eccentric structure is the sleeve being set in outside the power drilling tool, the sleeve and the power drilling tool
Fixed by screw, the head of the screw forms the sliding block, and the head of the screw is along the slide.
Wherein, in addition to bearing torque mechanism, the bearing torque mechanism includes bearing torque pipe nipple and bearing torque sleeve, the bearing torque pipe nipple with
The power drilling tool connection, the bearing torque sleeve are sheathed on outside the bearing torque pipe nipple and fixed with the whipstock, the bearing torque
Pipe nipple is slidably connected with the bearing torque sleeve.
Wherein, be provided with the side wall of the bearing torque sleeve along the bearing torque sleeve axial direction extension keyway and
Spiral chute, the keyway are connected with the spiral chute, are provided with flat key on the bearing torque pipe nipple, and the flat key is along the spiral shell
Rotation chute is slipped into the keyway.
Wherein, the bearing torque mechanism also includes anti-the torsion pipe nipple and oil pipe being connected with each other, and the anti-torsion pipe nipple connection is sent into
Mechanism, the oil pipe connect bearing torque pipe nipple.
Wherein, the feeding mechanism includes continuous pipe and downhole tractor, and the continuous pipe and downhole tractor pass through company
Continuous pipe joint connection, the downhole tractor are connected by safety joint with the anti-torsion pipe nipple.
Wherein, the whipstock by screw or is welded and fixed with the bearing torque sleeve.
Wherein, the bottom of the whipstock is connected with grappling pipe nipple.
Beneficial effect：The utility model provides a kind of continuous pipe window opening tool, including whipstock and drill tool assembly, described
Drill tool assembly includes power drilling tool and milling shoe, and one end of the power drilling tool connects the milling shoe, and the power drilling tool is fixed with
Eccentric structure, the eccentric structure can slide along the deflecting surface of the whipstock.When milling shoe cuts set tube side part, power drilling tool
Diagonally the deflecting surface of device slides so that the movement locus of milling shoe exists all the time parallel to deflecting surface between milling shoe and deflecting surface
Certain distance, prevent milling shoe cut whipstock, reduce the abrasion of milling shoe, so as to avoid part-waste, reduce casing sidetracking into
This.
Brief description of the drawings
Fig. 1 is the structural representation of continuous pipe window opening tool provided by the utility model；
Fig. 2 is the structural representation in continuous pipe window opening tool tripping in sleeve pipe provided by the utility model；
Fig. 3 is the partial enlarged drawing at B in Fig. 2；
Fig. 4 is the structural representation of whipstock provided by the utility model；
Fig. 5 be in Fig. 4 A-A to sectional view.
Wherein：
1st, whipstock；11st, deflecting surface；12nd, chute；
21st, power drilling tool；22nd, milling shoe；23rd, eccentric structure；231st, sliding block；24th, flexible nipple；
31st, bearing torque sleeve；32nd, bearing torque pipe nipple；33rd, anti-torsion pipe nipple；34th, oil pipe；
41st, continuous pipe；42nd, downhole tractor；43rd, continuous pipe joint；44th, safety joint；
5th, sleeve pipe；6th, grappling pipe nipple.
Embodiment
It is clearer for the technical scheme and the technique effect that reaches that make technical problem that the utility model solves, use,
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by embodiment.
The utility model provides a kind of continuous pipe window opening tool, including whipstock 1 and drill tool assembly, drill tool assembly bag
Power drilling tool 21 and milling shoe 22, one end connection milling shoe 22 of power drilling tool 21 are included, power drilling tool 21 is fixed with eccentric structure 23, partially
Core structure 23 can the deflecting surface 11 of diagonally device 1 slide.When milling shoe 22 cuts 5 sidepiece of sleeve pipe, diagonally device 1 of power drilling tool 21
Deflecting surface 11 slide so that the movement locus of milling shoe 22 is deposited all the time parallel to deflecting surface 11 between milling shoe 22 and deflecting surface 11
In certain distance, prevent milling shoe 22 from cutting whipstock 1, reduce the abrasion of milling shoe 22, so as to avoid part-waste, reduce sleeve pipe 5
The cost of windowing.
Continuous pipe window opening tool provided by the utility model includes feeding mechanism, bearing torque mechanism, drill tool assembly and by oblique
The anchor mechanism formed to device 1 and grappling pipe nipple 6.Before the side-drilling windowing of sleeve pipe 5, after the window point of anchor mechanism tripping in pit shaft
It is fixed, in order to the positioning of drill tool assembly.After the completion of anchor mechanism positioning, after bearing torque mechanism and drill tool assembly are sequentially connected, send
Enter mechanism smoothly to run in bearing torque mechanism and drill tool assembly by well head, when drill tool assembly is close to windowing position,
The speed of tripping in should be less than 0.5m/s, to ensure bearing torque component and drilling tool all the time in correct installation site and operation rail
Mark.
Specifically, drill tool assembly includes power drilling tool 21 and milling shoe 22, and milling shoe 22 is installed on the lower end of power drilling tool 21,
Milling shoe 22 is the kit of packaged milling tool, for cutting sleeve pipe 5, completes the windowing of the sidepiece of sleeve pipe 5.Power drilling tool 21 and milling shoe 22
It can be connected by flexible nipple 24, flexible nipple 24 is rotatable flexible nipple 24, and flexible nipple 24 can adjust drilling tool
The mechanical property of component, the bending rigidity by adjusting flexible nipple 24 can change corner of the milling shoe 22 in windowing and lateral
Power, so as to angle more preferably as required and dynamics cutting sleeve pipe 5.
The eccentric structure 23 that power drilling tool 21 is set can be the sleeve being set in outside power drilling tool 21, sleeve and power drill
Tool 21 is fixed, and prevents sleeve circumferentially rotating or sliding axially along power drilling tool 21, the deflecting of the diagonally device 1 of eccentric structure 23
Slide and can be realized by the chute 12 and sliding block 231 of mutual cooperation in face 11.Eccentric structure 23 can to the property made face direction it is convex
Provided with sliding block 231, the chute 12 coordinated with sliding block 231 can be provided with the deflecting surface 11 of whipstock 1, chute 12 is along deflecting surface
11 length direction extension.During work, the sliding block 231 of eccentric structure 23 moves along chute 12, drives power drilling tool 21 along deflecting
Face 11 moves down, and because deflecting surface 11 is that the axial direction of facing sleeve 5 has the surface of constant slope, therefore can be milling
Footwear 22 cut the side wall of sleeve pipe 5 along certain angle, complete the side windowing of sleeve pipe 5.Eccentric structure 23 is set to make milling shoe 22
Motion track parallel deflecting surface 11 all the time, has a certain distance, can prevent milling shoe all the time between milling shoe 22 and deflecting surface 11
22 and deflecting surface 11 contact cutting deflecting surface 11, reduce milling shoe 22 abrasion, whipstock 1 can also be reused, so as to avoid
Part-waste, reduce the cost that sleeve pipe 5 opens a window.On this basis, eccentric structure 23 can be consolidated with power drilling tool 21 by screw
Fixed, and the head of screw can use as sliding block 231, during work, the head insertion chute 12 of screw is interior and along chute 12
Slide, can both realize the fixation of eccentric structure 23 and power drilling tool 21, again milling shoe 22 can be made to be moved parallel to deflecting surface 11,
It is simple in construction, reliable.Eccentric structure 23 and power drilling tool 21 can be fixed by multiple screws, and multiple screws can be along power drill
The axial direction arrangement of tool 21, and coordinate with the chute 12 of deflecting surface 11 and slide, it on the one hand can increase the He of eccentric structure 23
The fastness that power drilling tool 21 is fixed, on the other hand can improve the reliability that eccentric structure 23 slides along chute 12, can keep away
Exempt from single screw and depart from chute 12, further avoid milling shoe 22 from cutting deflecting surface 11.But the quantity of screw should not be excessive, screw number
The too many positioning precision for adding screw and chute 12 of amount, considers above-mentioned factor, and the quantity of the screw in the present embodiment is
Two.
Continuous pipe window opening tool is in windowing-process, and reaction torque can be to upload caused by the cutting sleeve pipe 5 of drill tool assembly
The continuous pipe 41 being handed in feeding mechanism, because the tube wall of continuous pipe 41 is relatively thin, it is impossible to bear to cut caused reaction torque, because
This, the continuous pipe window opening tool in the utility model also includes bearing torque mechanism, and bearing torque mechanism includes bearing torque pipe nipple 32 and bearing torque set
Cylinder 31, bearing torque pipe nipple 32 is connected with power drilling tool 21, and bearing torque sleeve 31 is sheathed on outside bearing torque pipe nipple 32 and fixed with whipstock 1,
Bearing torque sleeve 31 can be fixed or be welded and fixed by screw with whipstock 1, and the position of well inwardly opened window is fixed on anchor mechanism,
Bearing torque pipe nipple 32 is slidably connected with bearing torque sleeve 31.
Specifically, bearing torque pipe nipple 32 is connected with bearing torque sleeve 31 by flat key with keyway, and bearing torque pipe nipple 32 passes through
Flat key and keyway can be slided along bearing torque sleeve 31, and the axial direction along bearing torque sleeve 31 is provided with the side wall of bearing torque sleeve 31
The keyway and spiral chute 12 of extension, keyway are connected with spiral chute 12, when feeding mechanism is fed down into bearing torque mechanism and brill
When having component, fixed flat key is first slipped into spiral chute 12 on bearing torque pipe nipple 32, and flat key slides in spiral chute 12, drives
Bearing torque pipe nipple 32 rotates, and when flat key has spiral chute 12 to slip into keyway, completes the installation of bearing torque pipe nipple 32 and bearing torque sleeve 31,
During work, bearing torque pipe nipple 32 and the circumferential position of bearing torque sleeve 31 are fixed, and bearing torque pipe nipple 32 is only along keyway with respect to bearing torque sleeve 31
Slide, it is not possible to rotated relative to bearing torque sleeve 31.The mounting means of bearing torque pipe nipple 32 and bearing torque sleeve 31, power drill can be limited
The rotation of tool 21, milling shoe 22 cut caused reaction torque and are transferred to bearing torque sleeve 31 and bearing torque pipe nipple 32 by power drilling tool 21,
Prevent reaction torque from continuing up transmission, avoid continuous pipe 41 damaged, improve the service life of continuous pipe 41.
Bearing torque mechanism also includes anti-the torsion pipe nipple 33 and oil pipe 34 being connected with each other, and anti-torsion pipe nipple 33 connects feeding mechanism, oil
Pipe 34 connects bearing torque pipe nipple 32.During bearing torque mechanism and drill tool assembly lower going-into-well bottom, drill tool assembly and bearing torque pipe nipple 32
Etc. can rotate, anti-torsion pipe nipple 33 is used to prevent drill tool assembly and bearing torque pipe nipple 32 from transferring a torque to continuous pipe during tripping in
41, further avoid continuous pipe 41 damaged, improve the service life of continuous pipe 41.In addition, it is additionally provided with anti-torsion pipe nipple 33 close
Seal apparatus, it can prevent drilling fluid from leaking.
Feeding mechanism includes continuous pipe 41 and downhole tractor 42, continuous pipe 41 and downhole tractor 42 in the utility model
Connected by continuous pipe joint 43, downhole tractor 42 is connected by safety joint 44 with anti-torsion pipe nipple 33.Safety joint 44 can
In case of emergency to disconnect the connection with anti-torsion pipe nipple 33, downhole tractor 42 is supported on the borehole wall in the windowing-process of milling shoe 22
On, the pressure of the drill is provided to milling shoe 22, promotes drill tool assembly to be moved along borehole axis direction；After the completion of the window of sidetracking, underground is led
Lead device 42 is lifted up continuous pipe 41, so as to act continuous pipe window opening tool, terminates side-drilling windowing.
The specific work process of continuous pipe window opening tool provided by the utility model is as follows：
(1) by bearing torque sleeve 31 and the anchor mechanism G.I.H being made up of whipstock 1 and grappling pipe nipple 6, and it is fixed on
Need the opening position to open a window；
(2) will be fed into mechanism, bearing torque mechanism and drill tool assembly to be sequentially connected, feeding mechanism is by drill set after connection
Part is smoothly entered in well by import, when the bottom of drill tool assembly is milling shoe 22 close to windowing position, reduces tripping in speed
Degree, and control in 0.5m/s, so as to which milling shoe 22 is sent into bearing torque sleeve 31；
(3) after the flat key on bearing torque pipe nipple 32 enters the spiral chute 12 on bearing torque sleeve 31, flat key is sent by rotating
Enter in keyway, complete the installation of bearing torque pipe nipple 32 and bearing torque sleeve 31；
(4) downhole tractor 42 is supported on the borehole wall, and promotion drill tool assembly moves along borehole axis direction and is drill set
Part provides the pressure of the drill, and power drilling tool 21 drives the deflecting surface 11 of the diagonally device 1 of milling shoe 22 to slide by eccentric structure 23, milling shoe 22 with
Sleeve pipe 5 contacts, and the slush pump on well starts the circulation into well and is passed through drilling fluid, the output torque of power drilling tool 21, drives milling shoe 22
Cut sleeve pipe 5；
(5) after milling shoe 22 is fully removed sleeve pipe 5, the sidepiece windowing of sleeve pipe 5 is completed, the company of being lifted up of downhole tractor 42
Continuous pipe 41, so as to act continuous pipe window opening tool, terminate side-drilling windowing.
Continuous pipe window opening tool provided by the utility model can avoid milling shoe 22 from cutting whipstock 1 when cutting sleeve pipe 5, keep away
Exempt from whipstock 1 to damage, reduce part-waste；Simultaneously, it is possible to reduce the abrasion of milling shoe 22, improve the service life of milling shoe 22, drop
The cost of the low side of sleeve pipe 5 windowing；By adjusting the installation site in power drilling tool 21 of eccentric structure 23, milling shoe can also be adjusted
22 mechanical characteristic；By bearing torque mechanism can avoid continuous pipe 41 bear cutting when square moment of torsion, avoid continuous pipe 41 from damaging；
During side-drilling windowing, the working resistance of continuous pipe window opening tool is small, the mechanical characteristic of milling shoe 22 is controllable, reliable working performance.
Above content is only preferred embodiment of the present utility model, for one of ordinary skill in the art, according to this reality
With new thought, there will be changes, this specification content should not be construed as in specific embodiments and applications
To limitation of the present utility model.
Claims (10)
1. a kind of continuous pipe window opening tool, it is characterised in that including whipstock (1) and drill tool assembly, the drill tool assembly includes
Power drilling tool (21) and milling shoe (22), one end of the power drilling tool (21) connect the milling shoe (22), the power drilling tool
(21) eccentric structure (23) is fixed with, the eccentric structure (23) can be slided along the deflecting surface (11) of the whipstock (1).
2. continuous pipe window opening tool as claimed in claim 1, it is characterised in that the power drilling tool (21) and the milling shoe
(22) connected by flexible nipple (24).
3. pipe window opening tool as claimed in claim 1 continuous, it is characterised in that the eccentric structure (23) is to the deflecting surface
(11) sliding block (231) is convexly equipped with, the deflecting surface (11) is provided with the chute along the length direction extension of the deflecting surface (11)
(12), the sliding block (231) can be slided along the chute (12).
4. continuous pipe window opening tool as claimed in claim 3, it is characterised in that the eccentric structure (23) is described to be set in
The sleeve of power drilling tool (21) outside, the sleeve are fixed with the power drilling tool (21) by screw, the head shape of the screw
Into the sliding block (231), the head of the screw is slided along the chute (12).
5. the continuous pipe window opening tool as described in claim any one of 1-4, it is characterised in that described also including bearing torque mechanism
Bearing torque mechanism includes bearing torque pipe nipple (32) and bearing torque sleeve (31), and the bearing torque pipe nipple (32) connects with the power drilling tool (21)
Connect, the bearing torque sleeve (31) is sheathed on the bearing torque pipe nipple (32) outside and, the bearing torque pipe nipple fixed with the whipstock (1)
(32) it is slidably connected with the bearing torque sleeve (31).
6. continuous pipe window opening tool as claimed in claim 5, it is characterised in that set in the side wall of the bearing torque sleeve (31)
There are the keyway and spiral chute (12) along the axial direction extension of the bearing torque sleeve (31), the keyway and the spiral slide
Groove (12) connects, and is provided with flat key on the bearing torque pipe nipple (32), the flat key slips into the key along the spiral chute (12)
In groove.
7. continuous pipe window opening tool as claimed in claim 5, it is characterised in that the bearing torque mechanism also includes what is be connected with each other
Anti- torsion pipe nipple (33) and oil pipe (34), anti-torsion pipe nipple (33) the connection feeding mechanism, the oil pipe (34) connect bearing torque pipe nipple
(32)。
8. pipe window opening tool as claimed in claim 7 continuous, it is characterised in that the feeding mechanism include continuous pipe (41) and
Downhole tractor (42), the continuous pipe (41) and downhole tractor (42) are connected by continuous pipe joint (43), the underground
Tractor (42) is connected by safety joint (44) with the anti-torsion pipe nipple (33).
9. continuous pipe window opening tool as claimed in claim 5, it is characterised in that the whipstock (1) and the bearing torque sleeve
(31) by screw or it is welded and fixed.
10. the continuous pipe window opening tool as described in claim any one of 1-4, it is characterised in that the bottom of the whipstock (1)
It is connected with grappling pipe nipple (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720311981.0U CN206707627U (en) | 2017-03-28 | 2017-03-28 | A kind of continuous pipe window opening tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720311981.0U CN206707627U (en) | 2017-03-28 | 2017-03-28 | A kind of continuous pipe window opening tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206707627U true CN206707627U (en) | 2017-12-05 |
Family
ID=60468039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720311981.0U Expired - Fee Related CN206707627U (en) | 2017-03-28 | 2017-03-28 | A kind of continuous pipe window opening tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206707627U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968599A (en) * | 2017-03-28 | 2017-07-21 | 中国石油大学(北京) | A kind of continuous pipe window opening tool |
| CN108397137A (en) * | 2018-03-01 | 2018-08-14 | 中国海洋石油集团有限公司 | A kind of deflecting tool and its manufacturing method |
| CN110005358A (en) * | 2019-04-04 | 2019-07-12 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of continuous pipe side-drilling windowing method |
| CN111485826A (en) * | 2020-04-07 | 2020-08-04 | 中煤科工集团西安研究院有限公司 | Coal mine underground directional drilling branch hole sidetracking device and method |
-
2017
- 2017-03-28 CN CN201720311981.0U patent/CN206707627U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968599A (en) * | 2017-03-28 | 2017-07-21 | 中国石油大学(北京) | A kind of continuous pipe window opening tool |
| CN108397137A (en) * | 2018-03-01 | 2018-08-14 | 中国海洋石油集团有限公司 | A kind of deflecting tool and its manufacturing method |
| CN110005358A (en) * | 2019-04-04 | 2019-07-12 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of continuous pipe side-drilling windowing method |
| CN111485826A (en) * | 2020-04-07 | 2020-08-04 | 中煤科工集团西安研究院有限公司 | Coal mine underground directional drilling branch hole sidetracking device and method |
| CN111485826B (en) * | 2020-04-07 | 2021-07-27 | 中煤科工集团西安研究院有限公司 | Coal mine underground directional drilling branch hole sidetracking device and method |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20190328 |
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| CF01 | Termination of patent right due to non-payment of annual fee |