CN104612614B - Expansion tube arc variable-diameter expansion device - Google Patents
Expansion tube arc variable-diameter expansion device Download PDFInfo
- Publication number
- CN104612614B CN104612614B CN201310542734.8A CN201310542734A CN104612614B CN 104612614 B CN104612614 B CN 104612614B CN 201310542734 A CN201310542734 A CN 201310542734A CN 104612614 B CN104612614 B CN 104612614B
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- China
- Prior art keywords
- expansion
- head
- reducing
- sizing
- arc
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- 230000001603 reducing effect Effects 0.000 claims abstract description 78
- 238000004513 sizing Methods 0.000 claims abstract description 53
- 230000007704 transition Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 230000008961 swelling Effects 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 abstract description 2
- 210000000664 rectum Anatomy 0.000 abstract description 2
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009827 uniform distribution 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
Abstract
A kind of expansion tube arc variable-diameter expansion device.In order to the mechanical swelling mode for overcoming existing expansion cone transmit expansion force efficiency it is too low；The baroque deficiency of reducing expansion cone of fluid pressure type, expansion tube of the present invention is made up of the expansion tube body on top and the bay of bottom, reducing expansion-head, sizing expansion-head are located in bay, sizing expansion-head is located at the top of reducing expansion-head, sizing axle is quill shaft, the outer surface of sizing axle, which is from top to bottom followed successively by the middle part of sizing expansion-head, arc-shaped guide way, the axis of guide, the axis of guide, detent；Reducing expansion assembly is installed at arc-shaped guide way, axis of guide position, reducing expands assembly and moved axially along sizing axle；The reducing expansion-head of reducing expansion assembly is connected with pushing block by axial attachment means.Its advantage is reasonable in design, in expansion process, in the expansion process step by step of sizing to reducing, can preferably transmit expansion and be distributed on expansion inside pipe wall, realize the uniformity of latus rectum.
Description
Technical field
The present invention relates to a kind of expansion operation kit of oil and gas development expansion tube, more particularly, to a kind of expansion tube
Arc variable-diameter expansion device.
Background technology
Bulged tube technology is the certain layer position in Oil/gas Well, the expansion promoted using a kind of dependence mechanical force or hydraulic coupling
Device, carries out mechanical swelling to reach expected engineering purpose to inflatable tubing.Bulged tube technology is in subsurface environment, swollen
Under swollen cone is promoted, expansion tube plastic expansion is deformed, so as to reach the purpose for expanding tubing caliber.
At present, expansion sleeve mainly has 2 kinds in the process that expansion is implemented in underground, i.e.,：Fixed expansion cone expansion expander
Technique and reducing expansion cone expansion expander technique.Fixed expansion cone expansion expander technique is a kind of extrusion expansion method.Work as expansion
Sleeve pipe is lowered into after the appropriate working depth of Oil/gas Well, in the presence of hydraulic coupling or mechanical force, expansion cone in expansion sleeve,
Move from lower to upper, deform casing expandable.The operation principle of reducing expansion cone expansion expander technique is bored with fixed expansion to be expanded
Pipe expanding method is essentially identical, and reducing expansion cone is that the change of expansion cone maximum gauge is realized by the change of expansion cone outside dimension.
It is too low that the mechanical swelling mode of existing expansion cone transmits expansion force efficiency；The reducing expansion cone of fluid pressure type is complicated, once
Some part is gone wrong or hydraulic coupling change, and tube wall will be caused uneven, be not easy to be put into next stage expansion tube.
The content of the invention
In order to the mechanical swelling mode for overcoming existing expansion cone transmit expansion force efficiency it is too low；The reducing expansion cone of fluid pressure type
Body is complicated, when some part goes wrong or hydraulic coupling change, tube wall will be caused uneven, be not easy to be put into next stage swollen
The deficiency of tube expansion, the present invention provides a kind of expansion tube arc variable-diameter expansion device.
The technical solution adopted for the present invention to solve the technical problems is：Expansion tube arc variable-diameter expansion device includes expansion
Pipe, sizing expansion-head, reducing expansion-head, expansion tube are made up of the expansion tube body on top and the bay of bottom, in bay
Footpath is more than the internal diameter of expansion tube body, and expansion tube body and bay pass through inclined-plane and arc surface transition；Reducing expansion-head, sizing
Expansion-head is located in bay, and sizing expansion-head is located at the top of reducing expansion-head, the maximum outside diameter of sizing expansion-head and transmitting
The internal diameter of room is identical.Sizing axle is quill shaft, and the outer surface of sizing axle is from top to bottom followed successively by sizing expansion-head, arc-shaped and is oriented to
There is detent in the middle part of body, the axis of guide, the axis of guide；Reducing expansion assembly is installed at arc-shaped guide way, axis of guide position,
Reducing expands assembly and moved axially along sizing axle.Reducing expansion assembly includes the reducing expansion-head of upper end, the pushing block of lower end, reducing
Expansion-head is connected with pushing block by axial attachment means.
Reducing expansion-head constitutes cylindrical shape by the expanding block of 6 or more than 6, and the upper end of reducing expansion-head endoporus is with determining
The arc-shaped guide way of journal axle matches.When reducing expansion assembly is located at the next, the upper-end part of driving of reducing expansion-head is in circular arc
The bottom of shape guide way, the lower end part of reducing expansion-head is at the cylindric axis of guide.When reducing expansion assembly is located at upper,
The alignment pin of the radial positioning device of pushing block is located in the detent of sizing axle, reducing expansion-head is fixed, reducing expansion-head
Profile upper end presents small lower big coniform, and lower end is cylindric.
T-shaped rail groove, the quantity of T-shaped rail groove and the quantity phase of expanding block are evenly equipped with the arc-shaped guide way of sizing axle
Together；T-bolt is installed with the axial centerline of expanding block, the T connector of T-bolt is located at the T-shaped rail of arc-shaped guide way
In road groove.
Pushing block upper end end face is evenly equipped with radial direction T-slot, and the quantity of radial direction T-slot is identical with the quantity of expanding block；Reducing is swollen
The axial attachment means of swollen head and pushing block are T-bolt.T-bolt is fixedly mounted on the lower end of expanding block, and T connector is located at radially
In T-slot.
Alignment pin, spring, the screw of radial positioning device are installed successively from inside to outside in the radial direction through hole of pushing block, screw
It is fixedly mounted on pushing block.
There is axially directed groove on the axis of guide of sizing axle, guide groove is moved the alignment pin of radial positioning device vertically.
When reducing expansion assembly is located at upper, the cone upper end diameter of reducing expansion-head and the big end of sizing expansion-head
Size is identical, and the diameter of cylinder is identical with the big end size of cone.
The beneficial effects of the invention are as follows reasonable in design, in expansion process, by the expanded step by step of sizing to reducing
Cheng Zhong, expansion can preferably be transmitted and is distributed on expansion inside pipe wall, the uniformity of latus rectum is realized, while also ensure that expansion
The reliability and success rate of process.
Brief description of the drawings
Fig. 1 is structural representation of the reducing expansion-head in the next state in expansion tube arc variable-diameter expansion device of the present invention
Figure.
Fig. 2 is schematic diagram of the reducing expansion-head in upper state in the present invention.
In figure：1. sizing expansion-head, 2. arc-shaped guide ways, 3.T type bolts, 4. expanding blocks, 5. detents, 6. axially
Attachment means, 7. radial direction T-slots, 8. pushing blocks, 9. alignment pins, 10. springs, 11. screws, 12. axis of guides, 13. axially directed grooves,
14. expansion tube, 100. sizing axles, 200. reducing expansion-heads, 300. reducings expansion assembly, 400. radial positioning devices.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.But, those skilled in the art should know
, the invention is not restricted to listed embodiment, as long as meeting the spirit of the present invention, should all be included in the present invention
Protection domain in.
Referring to accompanying drawing.It is swollen that expansion tube arc variable-diameter expansion device of the present invention includes expansion tube 14, sizing expansion-head 1, reducing
Swollen first 200, expansion tube 14 is made up of the expansion tube body on top and the bay of bottom, and bay internal diameter is more than expansion tube body
Internal diameter, expansion tube body and bay pass through inclined-plane and arc surface transition；Reducing expansion-head, sizing expansion-head are located at bay
Interior, sizing expansion-head is located at the top of reducing expansion-head, and the maximum outside diameter of sizing expansion-head is identical with the internal diameter of bay.
The sizing axle 100 of expansion tube arc variable-diameter expansion device of the present invention is quill shaft, and the outer surface of sizing axle 100 is by upper
Sizing expansion-head 1, arc-shaped guide way 2, the axis of guide 12 are followed successively by under, there is detent 5 at the middle part of the axis of guide 12.Positioning is recessed
Groove 5 is annular recess.Reducing expansion assembly 300, reducing expansion assembly are installed at arc-shaped guide way 2, the position of the axis of guide 12
300 can move axially along sizing axle 100.
Reducing expansion assembly 300 includes the reducing expansion-head 200 of upper end, the pushing block 8 of lower end, and reducing expansion-head 200 is with pushing away
Block 8 is connected by axial attachment means 6.
Reducing expansion-head 200 constitutes cylindrical shape by the expanding block 4 of 6 or more than 6, and the quantity of usual expanding block 4 is 6
It is individual.The upper end of the endoporus of reducing expansion-head 200 matches with the shape of the arc-shaped guide way 2 of sizing axle 100.Under expansion tube
When entering pit shaft, reducing expansion assembly 300 is in bottom（See accompanying drawing 1）；When expansion gear carries out expansion operation, reducing expansion is total
Into 300 in upper（See accompanying drawing 2）.
Axial T-shaped rail groove, the quantity of T-shaped rail groove and expansion are evenly equipped with the arc-shaped guide way 2 of sizing axle 100
The quantity of block 4 is identical；T-bolt 3 is installed with the axial centerline of expanding block 4, the T connector of T-bolt 3 is located at circular arc
In the T-shaped rail groove of shape guide way 2,2 T-bolts 3 are installed on generally each expanding block 4.Expanding block 4 passes through T-bolt 3
Moved axially along arc-shaped guide way 2.
Radial direction T-slot 7, the quantity of radial direction T-slot 7 and the quantity phase of expanding block 4 are evenly equipped with the upper end end face of pushing block 8
Together.The axial attachment means 6 of pushing block 8 and expanding block 4 typically select T-bolt, and T-bolt is vertically fixedly mounted on by screw thread
The lower end of expanding block 4, the T connector of T-bolt is located in radial direction T-slot 7.When expanding block 4 is moved axially along sizing axle 100, T
Radially T-slot 7 is moved type bolt.
Radial positioning device 400 is installed on reducing expansion assembly 300, radial positioning device 400 is along the circumference uniform distribution of pushing block 8
Install.Radial positioning device 400 is arranged in the radial direction through hole of pushing block 8.Radial positioning device 400 by alignment pin 9, spring 10,
Screw 11 is constituted, and alignment pin 9, spring 10, screw 11 are installed successively from inside to outside in the radial direction through hole of pushing block 8, screw 11 with
Pushing block 8 is screwed installation.There is axially directed groove 13 on the axis of guide 12 of sizing axle 100, guide groove 13 is moved alignment pin 9 vertically
It is dynamic.
When reducing expansion assembly 300 is in the next, the upper-end part of driving of reducing expansion-head 200 is in arc-shaped guide way 2
Bottom and the top of the axis of guide 12；The lower end part of reducing expansion-head 200 is in the cylindric bottom of the axis of guide 12.
When reducing expansion assembly 300 is in upper, the alignment pin 9 in the radial positioning device 400 of pushing block 8 is located at sizing
In the detent 5 of axle 100, reducing expansion-head 200 is fixed.Now, the upper surface of reducing expansion-head 200 and sizing expansion-head
1 lower surface contact, the profile upper end of reducing expansion-head 200 presents small lower big coniform, and lower end is cylindric；Reducing expansion-head
200 cone upper end diameter is identical with the big end size of sizing expansion-head 1, the big end size phase of cylinder diameter and cone
Together.
Expansion operation is carried out using expansion tube arc variable-diameter expansion device of the present invention,
First, by the design attitude in expansion gear and expansion tube tripping in pit shaft, the reducing expansion assembly 300 of expansion gear
In bottom；
Then, liquid is injected by centre bore and pressurizeed, liquid is flowed out and upward by the centre bore lower end of sizing axle 100
Flowing, and then promote pushing block 8 to be moved up along sizing axle 100；
Under the promotion of pushing block 8, reducing expansion-head 200 is moved up, when determining in the radial positioning device 400 of pushing block 8
When position pin 9 is entered in the detent 5 of sizing axle 100, the shape of reducing expansion-head 200, position are fixed.Now, you can enter
Expansion gear is carried on row and implements expansion operation.
It should be noted that above-described embodiment is exemplary rather than the limitation present invention, those skilled in the art are possible to design very
Right of many alternate embodiments without departing from this patent.
Claims (6)
1. a kind of expansion tube arc variable-diameter expansion device, including expansion tube, sizing expansion-head, reducing expansion-head, expansion tube is by upper
Portion expansion tube body and bottom bay composition, bay internal diameter be more than expansion tube body internal diameter, expansion tube body and
Bay passes through inclined-plane and arc surface transition；Reducing expansion-head, sizing expansion-head are located in bay, and sizing expansion-head, which is located at, to be become
The top of footpath expansion-head, the maximum outside diameter of sizing expansion-head is identical with the internal diameter of bay, it is characterized in that：
Sizing axle (100) is quill shaft, and the outer surface of sizing axle (100) is from top to bottom followed successively by sizing expansion-head (1), arc-shaped
There is detent (5) in the middle part of guide way (2), the axis of guide (12), the axis of guide (12)；The guide way (2) in arc-shaped, lead
Reducing expansion assembly (300) is installed to axle (12) position, reducing expansion assembly (300) is moved axially along sizing axle (100)；
The reducing expansion assembly (300) includes the reducing expansion-head (200) of upper end, the pushing block (8) of lower end, reducing expansion-head
(200) it is connected with pushing block (8) by axial attachment means (6).
2. expansion tube arc variable-diameter expansion device according to claim 1, it is characterized in that：
The reducing expansion-head (200) constitutes cylindrical shape by the expanding block (4) of more than 6, reducing expansion-head (200) endoporus it is upper
End matches with the guide way (2) of the arc-shaped of the sizing axle (100)；
When reducing expansion assembly (300) is located at bottom, the upper-end part of driving of reducing expansion-head (200) is in described in arc-shaped
The bottom of guide way (2), the lower end part of reducing expansion-head (200) is in the cylindric axis of guide (12) place；
When the reducing, which expands assembly (300), is located at upper, alignment pin (9) position of the radial positioning device (400) of pushing block (8)
It is in the detent (5) of the sizing axle (100), reducing expansion-head (200) is fixed, in reducing expansion-head (200) profile
End presents small lower big coniform, and lower end is cylindric.
3. expansion tube arc variable-diameter expansion device according to claim 2, it is characterized in that：The circular arc of the sizing axle (100)
T-shaped rail groove is evenly equipped with the guide way (2) of shape, the quantity of T-shaped rail groove is identical with the quantity of expanding block (4)；Expansion
T-bolt (3) is installed with the axial centerline of block (4), the T connector of T-bolt (3) is located at the guide way of arc-shaped
(2) in T-shaped rail groove；
Pushing block (8) upper end end face is evenly equipped with radial direction T-slot (7), the quantity of radial direction T-slot (7) and the quantity of expanding block (4)
It is identical；The axial attachment means (6) are T-bolt, and T-bolt is fixedly mounted on the lower end of expanding block (4), and T connector is located at
In radial direction T-slot (7).
4. expansion tube arc variable-diameter expansion device according to claim 3, it is characterized in that：The radial positioning device (400)
Alignment pin (9), spring (10), screw (11) installed successively from inside to outside in the radial direction through hole of pushing block (8), screw (11) is solid
Dingan County is on pushing block (8).
5. expansion tube arc variable-diameter expansion device according to claim 4, it is characterized in that：The guiding of the sizing axle (100)
There is axially directed groove (13) on axle (12), guide groove (13) is moved the alignment pin (9) of the radial positioning device (400) vertically
It is dynamic.
6. expansion tube arc variable-diameter expansion device according to claim 2, it is characterized in that：When the reducing expands assembly
(300) when being located at upper, the cone upper end diameter of reducing expansion-head (200) and the big end size of the sizing expansion-head (1)
Identical, cylinder diameter is identical with the big end size of cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310542734.8A CN104612614B (en) | 2013-11-05 | 2013-11-05 | Expansion tube arc variable-diameter expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310542734.8A CN104612614B (en) | 2013-11-05 | 2013-11-05 | Expansion tube arc variable-diameter expansion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104612614A CN104612614A (en) | 2015-05-13 |
| CN104612614B true CN104612614B (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310542734.8A Active CN104612614B (en) | 2013-11-05 | 2013-11-05 | Expansion tube arc variable-diameter expansion device |
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| CN (1) | CN104612614B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826449B (en) * | 2019-03-15 | 2023-11-10 | 程帅奇 | Inserted steel structure hole aligning equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906947A (en) * | 2009-06-04 | 2010-12-08 | 中国石化集团胜利石油管理局钻井工艺研究院 | Umbrella type variable gauge inflate tool for expansion tube |
| CN102966327A (en) * | 2012-11-12 | 2013-03-13 | 中国石油天然气股份有限公司 | Expansion pipe |
| CN203175447U (en) * | 2013-02-26 | 2013-09-04 | 天津大港油田钻采技术开发公司 | Expansion pipe twin-stage expansion device |
| CN203655202U (en) * | 2013-11-05 | 2014-06-18 | 天津大港油田钻采技术开发公司 | Arc-shaped variable-diameter expansion device of expansion pipe |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2418216B (en) * | 2002-06-12 | 2006-10-11 | Enventure Global Technology | Collapsible expansion cone |
| US20070227730A1 (en) * | 2005-09-15 | 2007-10-04 | Enventure Global Technology | Apparatus for radially expanding and plastically deforming a tubular member |
| US7434622B2 (en) * | 2005-07-14 | 2008-10-14 | Weatherford/Lamb, Inc. | Compliant cone for solid liner expansion |
| US20100044029A1 (en) * | 2008-08-20 | 2010-02-25 | Baker Hughes Incorporated | Active control and/or monitoring of expandable tubular devices |
-
2013
- 2013-11-05 CN CN201310542734.8A patent/CN104612614B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906947A (en) * | 2009-06-04 | 2010-12-08 | 中国石化集团胜利石油管理局钻井工艺研究院 | Umbrella type variable gauge inflate tool for expansion tube |
| CN102966327A (en) * | 2012-11-12 | 2013-03-13 | 中国石油天然气股份有限公司 | Expansion pipe |
| CN203175447U (en) * | 2013-02-26 | 2013-09-04 | 天津大港油田钻采技术开发公司 | Expansion pipe twin-stage expansion device |
| CN203655202U (en) * | 2013-11-05 | 2014-06-18 | 天津大港油田钻采技术开发公司 | Arc-shaped variable-diameter expansion device of expansion pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104612614A (en) | 2015-05-13 |
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Address after: 300280 Hospital No. three, Dagang Oilfield, Tianjin Co-patentee after: DAGANG OILFIELD GROUP Co.,Ltd. Patentee after: TIANJIN DAGANG OILFIELD PETROLEUM ENGINEERING RESEARCH INSTITUTE DRILLING AND PRODUCTION TECHNOLOGY DEVELOPMENT CO. Address before: Three Dagang oil field, Tianjin, Grand Port, No. 300280 Co-patentee before: DAGANG OILFIELD GROUP Co.,Ltd. Patentee before: TIANJIN DAGANG OIL FIELD DRILLING TECHNOLOGY DEVELOPMENT CO. |
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Address after: 300280 Tianjin Binhai New Area Dagang Oilfield No. three hospital Co-patentee after: DAGANG OILFIELD GROUP Co.,Ltd. Patentee after: Tianjin Dagang Oilfield Petroleum Engineering Research Institute Drilling Technology Development Co.,Ltd. Address before: 300280 Tianjin Binhai New Area Dagang Oilfield No. three hospital Co-patentee before: DAGANG OILFIELD GROUP Co.,Ltd. Patentee before: TIANJIN DAGANG OILFIELD PETROLEUM ENGINEERING RESEARCH INSTITUTE DRILLING AND PRODUCTION TECHNOLOGY DEVELOPMENT CO. |
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Address after: 300280 Tianjin Binhai New Area Dagang Oilfield No. three hospital Co-patentee after: DAGANG OILFIELD GROUP Co.,Ltd. Patentee after: TIANJIN DAGANG OILFIELD PETROLEUM ENGINEERING RESEARCH INSTITUTE DRILLING AND PRODUCTION TECHNOLOGY DEVELOPMENT CO. Address before: Three Dagang oil field, Tianjin, Grand Port, No. 300280 Co-patentee before: DAGANG OILFIELD GROUP Co.,Ltd. Patentee before: TIANJIN DAGANG OIL FIELD DRILLING TECHNOLOGY DEVELOPMENT CO. |
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Effective date of registration: 20201117 Address after: 300000 No. three, Dagang Oilfield, Binhai New Area, Tianjin Patentee after: Tianjin Dagang Oilfield Petroleum Engineering Research Institute Drilling Technology Development Co.,Ltd. Patentee after: DAGANG OILFIELD GROUP Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 300280 No. three, Dagang Oilfield, Binhai New Area, Tianjin Patentee before: Tianjin Dagang Oilfield Petroleum Engineering Research Institute Drilling Technology Development Co.,Ltd. Patentee before: DAGANG OILFIELD GROUP Co.,Ltd. |