CN105443063B - A kind of Multilateral Wells angular difference adjustment instrument and its angular difference method of adjustment - Google Patents
A kind of Multilateral Wells angular difference adjustment instrument and its angular difference method of adjustment Download PDFInfo
- Publication number
- CN105443063B CN105443063B CN201510836826.6A CN201510836826A CN105443063B CN 105443063 B CN105443063 B CN 105443063B CN 201510836826 A CN201510836826 A CN 201510836826A CN 105443063 B CN105443063 B CN 105443063B
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- China
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- angular difference
- reversing
- differential seat
- adjustment
- multilateral wells
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- 238000000034 method Methods 0.000 claims abstract description 8
- 230000000875 corresponding Effects 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 11
- 238000005553 drilling Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 231100000817 safety factor Toxicity 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B29/00—Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
- E21B29/06—Cutting windows, e.g. directional window cutters for whipstock operations
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B7/06—Deflecting the direction of boreholes
- E21B7/067—Deflecting the direction of boreholes with means for locking sections of a pipe or of a guide for a shaft in angular relation, e.g. adjustable bent sub
Abstract
The present invention relates to branch well drilling completion technique field, more particularly to a kind of Multilateral Wells angular difference adjustment instrument and its angular difference method of adjustment.The device includes 3 reversing covers, reversing cover both ends are circumferentially angularly machined with 20 splines or end-tooth, counterclockwise differential seat angle be present in the recessed position center line of reversing cover female end convex position center line corresponding with male end, reversing cover can be designed with 5 kinds of differential seat angles, i.e., 0 °, 1 °, 2 °, 5 °, 10 °.The present invention realizes the anti-twisting property for improving overall tubing string after Multilateral Wells angular difference adjusts, and adjustment angular difference precision is high, and intensity is high, simple to operate, while avoids the fire operations such as well site welding, reduces the risk in Multilateral Wells work progress.
Description
Technical field：
The present invention relates to branch well drilling completion technique field, more particularly to a kind of Multilateral Wells angular difference adjustment instrument and its angular difference
Method of adjustment.
Background technology：
Branch well drilling completion practice can be roughly divided into two parts, and a part is orientation casing sidetracking, and another part is orientation
Tripping in branch well hole completion tubular column.In level Four branch well drilling completion system, its process to open a window includes following working link：
(1) underground reference platform under, and measure lower orienting cover orientation；(2) the good whipstock inclined-plane of orientation adjustment that opens a window as needed with
The angular difference of upper orienting cover, tripping in whipstock, after upper and lower orienting cover engages, the position of whipstock inclined-plane institute direction exactly opens a window
Position；(3) milling cone opens a window under, and its completion sequence includes：(1) whipstock is reclaimed；(2) according to window direction (whipstock with it is upper fixed
To the angular difference of set), adjust the angular difference of hollow wedge deflection tool and upper orienting cover, the hollow wedge deflection tool of tripping in, when upper and lower orienting cover engages
Afterwards, the position of hollow wedge deflection tool inclined-plane institute direction is exactly window direction；(3) tripping in branch well hole completion tubular column.Orient sleeve pipe
Windowing, orientation tripping in branch well hole completion tubular column, this two big process needs to adjust the angular difference of whipstock and upper orienting cover, hollow to lead
The angular difference of oblique device and upper orienting cover.The Method and kit for of adjustment angular difference must is fulfilled for following condition：(1) certain angular difference essence is met
Degree, can from 0 ° to 360 ° adjust；(2) it is simple to operate, it is easy to live adjustment；(3) intensity is high, in underground by high torque
When, do not deform.At present, in level Four branch well drilling completion system, the major way that adjusts angular difference be by set pipe thread or
After flat button passes through in-site measurement angle, Site Welding forms, it is such the drawbacks of be that its intensity is difficult to ensure that, mainly have following several
Aspect reason：(1) electric welding quality in scene is difficult to ensure that；(2) oil common used material 35CrMo and 42CrMo welding performance is bad；
(3) cause anneal of material due to worrying that welding temperature is too high and reduce intensity, frequently with spot welding during welding；(4) well site is examined sometimes
Consider safety factor, the fire operations such as electric welding are limited；(5) execute-in-place is complicated, make-up repeatedly, measures angular difference.
The content of the invention：
, should the technical problem to be solved in the present invention is to provide a kind of Multilateral Wells angular difference adjustment instrument and its angular difference method of adjustment
Instrument and method realize the anti-twisting property for improving overall tubing string after Multilateral Wells angular difference adjusts, and adjustment angular difference precision is high, and intensity is high,
It is simple to operate, while the fire operations such as well site welding are avoided, reduce the risk in Multilateral Wells work progress.Overcome
Existing adjustment angular difference mode low intensity, angular difference Adjustment precision is low, and complex operation is inconvenient, it is necessary to the fire operation such as well site welding,
The unsafe deficiency of work progress.
The technical solution used in the present invention is：A kind of Multilateral Wells angular difference adjusts instrument, including top connection, overcoat and bottom
Tubing string jointing；Also include 3 reversing covers, reversing cover both ends are circumferentially angularly machined with 20 splines or end-tooth, changed
Counterclockwise differential seat angle, reversing cover energy be present in the position center line recessed to set female end convex position center line corresponding with male end
Enough be designed with 5 kinds of differential seat angles, i.e., 0 °, 1 °, 2 °, 5 °, 10 °；0 ° to 17 ° arbitrary integer can be obtained by 3 assembling for reversing cover
Differential seat angle, top connection lower end are designed with the spline or end-tooth to match with reversing cover, top connection lower end outer wall and overcoat phase
Connection, 3 reversing covers are sequentially engaged and in overcoat, the commutation set upper side of the top is engaged with top connection lower end, most lower
The reversing cover lower end at end is engaged with lower contact upper end, and the outer wall step of lower contact is sitting on the interior step of overcoat, lower contact lower end
It is connected with bottom tubing string jointing and is fixed by anti-rotation pin.
A kind of angular difference method of adjustment of Multilateral Wells angular difference adjustment instrument, this method step are as follows：
First, the angular difference for the integral multiple that differential seat angle is 18 ° is obtained by spline or end-tooth intermeshing, is changed by 3
0 ° to 17 ° arbitrary integer differential seat angle can be obtained to assembling for set, group mode is as follows：0 °=0 °+0 °+0 °, 1 °=0 °+0 °+1 °,
2 °=0 °+0 °+2 °, 3 °=0 °+1 °+2 °, 4 °=0 °+2 °+2 °, 5 °=1 °+2 °+2 °, 6 °=0 °+1 °+5 °, 7 °=0 °+2 °+
5 °, 8 °=1 °+2 °+5 °, 9 °=2 °+2 °+5 °, 10 °=0 °+0 °+10 °, 11 °=0 °+1 °+10 °, 12 °=0 °+2 °+10 °, 13 °
=1 °+2 °+10 °, 14 °=2 °+2 °+10 °, 15 °=0 °+5 °+10 °, 16 °=1 °+5 °+10 °, 17 °=2 °+5 °+10 °；
2nd, it is as needed, it is determined that the angular difference number N needed, and round；
3rd, with N divided by 18, business n is obtained, remainder Y, according to the group mode of 3 reversing covers of step 1, picks out needs
3 reversing covers assemble out differential seat angle Y；
4th, 3 reversing covers that will be singled out are sequentially loaded into overcoat in order, and position is engaged by rotating in installation process
The differential seat angle for putting to be needed；
5th, measure whether angular difference up and down meets to require, after measurement is errorless, anti-rotation pin is installed, carries out next step construction.
The beneficial effects of the invention are as follows：The present invention improves the anti-twisting property of overall tubing string after the adjustment of Multilateral Wells angular difference, adjusts
Whole angular difference precision is high, and intensity is high, simple to operate, while avoids the fire operations such as well site welding, reduces Multilateral Wells and applies
Risk during work.
Brief description of the drawings：
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation for the Multilateral Wells angular difference adjustment instrument for being provided with end-tooth reversing cover.
Fig. 2 is the structural representation of end-tooth reversing cover.
Fig. 3 is the structural representation for the Multilateral Wells angular difference adjustment instrument for being provided with spline reversing cover.
Fig. 4 is the structural representation of spline reversing cover.
Embodiment：
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of Multilateral Wells angular difference adjustment instrument, including top connection 1, overcoat 2 and bottom
Tubing string jointing 6；Also including 3 reversing covers 3, the both ends of reversing cover 3 are circumferentially angularly machined with 20 splines or end-tooth,
Counterclockwise be present differential seat angle in the recessed position center line of the female end of reversing cover 3 convex position center line corresponding with male end, commutate
Set 3 can be designed with 5 kinds of differential seat angles, i.e., 0 °, 1 °, 2 °, 5 °, 10 °；0 ° to 17 ° can be obtained by 3 assembling for reversing cover 3
Meaning integer differential seat angle, the lower end of top connection 1 is designed with the spline or end-tooth to match with reversing cover 3, the lower end outer wall of top connection 1
It is connected with overcoat 2,3 reversing covers 3 sequentially engage and in overcoat 2, the upper end of reversing cover 3 and top connection 1 of the top
Lower end is engaged, and the lower end of reversing cover 3 of bottom is engaged with the upper end of lower contact 4, and the outer wall step of lower contact 4 is sitting in the interior of overcoat 2
On step, the lower end of lower contact 4 is connected with bottom tubing string jointing 6 and fixed by anti-rotation pin 5.
A kind of angular difference method of adjustment of Multilateral Wells angular difference adjustment instrument, this method step are as follows：
First, the angular difference for the integral multiple that differential seat angle is 18 ° is obtained by spline or end-tooth intermeshing, is changed by 3
0 ° to 17 ° arbitrary integer differential seat angle can be obtained to assembling for set 3, group mode is as follows：0 °=0 °+0 °+0 °, 1 °=0 °+0 °+
1 °, 2 °=0 °+0 °+2 °, 3 °=0 °+1 °+2 °, 4 °=0 °+2 °+2 °, 5 °=1 °+2 °+2 °, 6 °=0 °+1 °+5 °, 7 °=0 °+2 °
+ 5 °, 8 °=1 °+2 °+5 °, 9 °=2 °+2 °+5 °, 10 °=0 °+0 °+10 °, 11 °=0 °+1 °+10 °, 12 °=0 °+2 °+10 °,
13 °=1 °+2 °+10 °, 14 °=2 °+2 °+10 °, 15 °=0 °+5 °+10 °, 16 °=1 °+5 °+10 °, 17 °=2 °+5 °+10 °；
2nd, it is as needed, it is determined that the angular difference number N needed, and round；
3rd, with N divided by 18, business n is obtained, remainder Y, according to the group mode of 3 reversing covers 3 of step 1, picks out needs
3 reversing covers 3 assemble out differential seat angle Y；
4th, 3 reversing covers 3 that will be singled out are sequentially loaded into overcoat 2 in order, are engaged in installation process by rotating
Position is come the differential seat angle that is needed；
5th, measure up and down angular difference whether meet to require, in theory for should all meet requirement.Will if be unsatisfactory for
(either large or small) is asked, if deviation is 18 ° of integral multiple, readjusts spline or the meshing relation of end tooth, to meet to want
Ask, if size within 18 °, is probably calculating mistake, should check whether calculating is wrong and readjust, if deviation is very
It is small, such as 2~3 °, then first check whether to calculate mistake, the remainder of calculating can be increased if calculating without mistake
Or reduce 2-3 ° to meet field requirement.Measure it is errorless after, install anti-rotation pin 5, carry out next step construction.
It is understood that above with respect to the specific descriptions of the present invention, it is merely to illustrate the present invention and is not limited to this
Technical scheme described by inventive embodiments, it will be understood by those within the art that, still the present invention can be carried out
Modification or equivalent substitution, to reach identical technique effect；As long as meet use needs, all protection scope of the present invention it
It is interior.
Claims (2)
1. a kind of Multilateral Wells angular difference adjusts instrument, including top connection (1), overcoat (2) and bottom tubing string jointing (6)；It is special
Sign is：Also include 3 reversing covers (3), reversing cover (3) both ends are circumferentially angularly machined with 20 splines or end-tooth, changed
Counterclockwise be present differential seat angle in the position center line recessed to set (3) female end convex position center line corresponding with male end, commutate
Set (3) can be designed with 5 kinds of differential seat angles, i.e., 0 °, 1 °, 2 °, 5 °, 10 °；0 ° can be obtained arrive by assembling for 3 reversing covers (3)
17 ° of arbitrary integer differential seat angles, top connection (1) lower end are designed with the spline or end-tooth to match with reversing cover (3), top connection
(1) lower end outer wall is connected with overcoat (2), and 3 reversing covers (3) are sequentially engaged and in overcoat (2), the commutation of the top
Set (3) upper end is engaged with top connection (1) lower end, and reversing cover (3) lower end of bottom is engaged with lower contact (4) upper end, lower contact
(4) outer wall step is sitting on the interior step of overcoat (2), and lower contact (4) lower end is connected simultaneously with bottom tubing string jointing (6)
It is fixed by anti-rotation pin (5).
2. a kind of Multilateral Wells angular difference according to described in claim 1 adjusts the angular difference method of adjustment of instrument, it is characterised in that：The party
Method step is as follows：
First, the angular difference for the integral multiple that differential seat angle is 18 ° is obtained by spline or end-tooth intermeshing, passes through 3 reversing covers
(3) assemble can obtain 0 ° to 17 ° arbitrary integer differential seat angle, and group mode is as follows：0 °=0 °+0 °+0 °, 1 °=0 °+0 °+1 °,
2 °=0 °+0 °+2 °, 3 °=0 °+1 °+2 °, 4 °=0 °+2 °+2 °, 5 °=1 °+2 °+2 °, 6 °=0 °+1 °+5 °, 7 °=0 °+2 °+
5 °, 8 °=1 °+2 °+5 °, 9 °=2 °+2 °+5 °, 10 °=0 °+0 °+10 °, 11 °=0 °+1 °+10 °, 12 °=0 °+2 °+10 °, 13 °
=1 °+2 °+10 °, 14 °=2 °+2 °+10 °, 15 °=0 °+5 °+10 °, 16 °=1 °+5 °+10 °, 17 °=2 °+5 °+10 °；
2nd, it is as needed, it is determined that the angular difference number N needed, and round；
3rd, with N divided by 18, business n, remainder Y are obtained, according to the group mode of 3 reversing covers (3) of step 1, picks out the 3 of needs
Individual reversing cover (3) assembles out differential seat angle Y；
4th, 3 reversing covers (3) that will be singled out are sequentially loaded into overcoat (2) in order, are engaged in installation process by rotating
Position is come the differential seat angle that is needed；
5th, measure whether angular difference up and down meets to require, after measurement is errorless, anti-rotation pin (5) is installed, carries out next step construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510836826.6A CN105443063B (en) | 2015-11-26 | 2015-11-26 | A kind of Multilateral Wells angular difference adjustment instrument and its angular difference method of adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510836826.6A CN105443063B (en) | 2015-11-26 | 2015-11-26 | A kind of Multilateral Wells angular difference adjustment instrument and its angular difference method of adjustment |
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| Publication Number | Publication Date |
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| CN105443063A CN105443063A (en) | 2016-03-30 |
| CN105443063B true CN105443063B (en) | 2018-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510836826.6A Active CN105443063B (en) | 2015-11-26 | 2015-11-26 | A kind of Multilateral Wells angular difference adjustment instrument and its angular difference method of adjustment |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4077657A (en) * | 1976-03-22 | 1978-03-07 | Smith, International, Inc. | Adjustable bent sub |
| CN2127739Y (en) * | 1992-05-27 | 1993-03-03 | 胜利石油管理局钻井总公司 | Adjustable joint for directional drilling |
| US6516901B1 (en) * | 2002-04-01 | 2003-02-11 | Thomas E. Falgout, Sr. | Adjustable orienting sub |
| CN2763468Y (en) * | 2004-12-29 | 2006-03-08 | 大港油田集团有限责任公司 | Directional sub for side drilling in casing opening |
| CN2916097Y (en) * | 2006-06-08 | 2007-06-27 | 辽河石油勘探局 | Non-angular difference type locator sub |
| CN104295287A (en) * | 2014-08-12 | 2015-01-21 | 中国石油集团长城钻探工程有限公司 | Deep well and high-temperature well secondary gyroscope seat key orientation process |
| CN204139966U (en) * | 2014-07-07 | 2015-02-04 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of starter gate valve controlling the directed grappling of whipstock |
| CN104989291A (en) * | 2015-07-23 | 2015-10-21 | 德州联合石油机械有限公司 | Spline cardan shaft type screw drill |
-
2015
- 2015-11-26 CN CN201510836826.6A patent/CN105443063B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4077657A (en) * | 1976-03-22 | 1978-03-07 | Smith, International, Inc. | Adjustable bent sub |
| CN2127739Y (en) * | 1992-05-27 | 1993-03-03 | 胜利石油管理局钻井总公司 | Adjustable joint for directional drilling |
| US6516901B1 (en) * | 2002-04-01 | 2003-02-11 | Thomas E. Falgout, Sr. | Adjustable orienting sub |
| CN2763468Y (en) * | 2004-12-29 | 2006-03-08 | 大港油田集团有限责任公司 | Directional sub for side drilling in casing opening |
| CN2916097Y (en) * | 2006-06-08 | 2007-06-27 | 辽河石油勘探局 | Non-angular difference type locator sub |
| CN204139966U (en) * | 2014-07-07 | 2015-02-04 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of starter gate valve controlling the directed grappling of whipstock |
| CN104295287A (en) * | 2014-08-12 | 2015-01-21 | 中国石油集团长城钻探工程有限公司 | Deep well and high-temperature well secondary gyroscope seat key orientation process |
| CN104989291A (en) * | 2015-07-23 | 2015-10-21 | 德州联合石油机械有限公司 | Spline cardan shaft type screw drill |
Non-Patent Citations (1)
| Title |
|---|
| 用于斜井轨迹定向钻进的无角差定位接头;龚建凯 等;《石油鸡血》;20071231;41-42 * |
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| CN105443063A (en) | 2016-03-30 |
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Effective date of registration: 20201020 Address after: 100120 Beijing Xicheng District six laying Kang Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: China National Petroleum Corporation Great Wall Drilling Engineering Co.,Ltd. Address before: 124010 Xinglongtai, Liaoning Province, oil street, No. 96, No. Patentee before: China National Petroleum Corporation Great Wall Drilling Engineering Co.,Ltd. |
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