CN1944946A - Upward pushing type expansion pipe well repairing device - Google Patents
Upward pushing type expansion pipe well repairing device Download PDFInfo
- Publication number
- CN1944946A CN1944946A CN 200610016411 CN200610016411A CN1944946A CN 1944946 A CN1944946 A CN 1944946A CN 200610016411 CN200610016411 CN 200610016411 CN 200610016411 A CN200610016411 A CN 200610016411A CN 1944946 A CN1944946 A CN 1944946A
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- China
- Prior art keywords
- head
- journey
- expansion
- piston
- expander
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- 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.)
- Granted
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- 238000005553 drilling Methods 0.000 claims abstract description 15
- 239000003129 oil well Substances 0.000 claims abstract description 8
- 238000005339 levitation Methods 0.000 claims description 14
- 239000004033 plastic Substances 0.000 claims description 6
- 239000000565 sealant Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 241000237858 Gastropoda Species 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 9
- 239000003208 petroleum Substances 0.000 abstract description 2
- 230000000994 depressogenic effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 206010020852 Hypertonia Diseases 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
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Landscapes
- Lining And Supports For Tunnels (AREA)
- Pipe Accessories (AREA)
Abstract
The present invention relates to pipeline repairing and petroleum casing, and is especially one kind of expansion pipe upward pushing well repairing apparatus. The expansion pipe upward pushing well repairing apparatus includes a fixed stroke expander, a hydraulic anchor floater and a suspending tractor. The fixed stroke expander consists of expanding head, oil well casing, expansion pipe and other parts; the hydraulic anchor floater consists of anchor, piston paw, shockproof end and other parts; and the suspending tractor consists of drilling rod, drawing pipe, limiting nut and other parts. The present invention has greatly lowered construction pressure, simple structure, short construction period and other advantages.
Description
Technical field
The present invention relates to repairing pipe and petroleum casing pipe, particularly a kind of upward pushing type expansion pipe well repairing device.
Technical background
Usually adopt expansion tube subsidy sleeve pipe, at the inboard highly pressurised liquid that imports of expansion tube, impel between bottom back cover and the expansion-head enclosure space pressure of spraining, thereby promotion expansion-head bottom, driving expansion-head moves from bottom to top, finish expansion tube hole enlargement process, this tactic pattern abbreviates the down-push type expansion gear as.But through hole is arranged in the middle of the bloated head of this constructional device, and it is less to promote area, only be expand women's head-ornaments long-pending with water filling drill pipe bore area poor, cause suppressing hypertonia like this, be generally 30-50MPa, increased the construction technology difficulty.Because the bottom back cover is set, after the subsidy work of then expanding is finished, also will get through the oil pumping passage in addition, following brill is removed back cover, has increased operation and junk, has also wasted the engineering time.Propose a kind of top-down construction technology and device for this reason, can overcome the deficiency of above technology fully.
Summary of the invention
The object of the invention is to propose a kind of upward pushing type expansion pipe well repairing device, can overcome the defective of prior art.Particularly overcome the down-push type expansion pipe well repairing device suppress too high, operation is loaded down with trivial details and increase the problem of junk.The present invention is simple in structure, reduced drilling back cover operation, work simplification, and the bulbs of pressure are low, and short construction period has wide application prospect.
The upward pushing type expansion pipe well repairing device that the present invention proposes comprises decides journey expander, waterpower drogue device and levitation traction device.
Saidly decide the expander that the journey expander is an expansion tube, by bloated head, valve ball, compress screwed pipe, cushion rubber, plastic ring, lid cover, oil well casing, expansion tube, sealant tape and form;
Said waterpower drogue device is used to go into the well and carries expansion tube and expansion fixed expansion pipe, is made up of tip nail, countersunk head screw, holddown spring, piston pawl, piston cushion rubber, elasticity shelves bar, shockproof end, anchor body;
The range ability of journey expander is decided in said levitation traction device control, is made up of spacing swivel nut, joint hoop, drilling rod, traction tube, limit journey nut, shelves head, hold-down nut.
Said upward pushing type expansion pipe well repairing device is characterized in that said top of deciding the bloated head of journey expander pack into cushion rubber and plastic ring, compresses screwed pipe by top and is screwed into the head that expands and compresses sealing ring; Have narrow and small upper outlet compressing the lid cover that screwed pipe top is spirally connected, catch a traction shelves head in a rigidity resistance shelves mode, this mechanism again with decide the journey tractor and be connected flexibly, do not fall in the well to guarantee after expansion, to catch on to expand; The totally-enclosed expansion of down-push type will be squeezed oil well water in the stratum, this certainly will increase the bulbs of pressure, the present invention's taper hole on the head that expands is placed the valve ball, the valve ball is by jack-up when bottom pressure is higher, then can discharge liquid to top, after stabilizing bottom pressure, the valve ball is depressed, and going round and beginning again constantly is depressed or rises and falls; The valve ball can cushion ground pressure periodically, goes round and begins again constantly to rise and fall; The head that expands is expanded expansion tube, makes the said sealant tape that it is characterized in that of expansion tube outside press to oil well casing, realizes that pressure hangs.
Said waterpower drogue device bottom is connected in the anchor body with tip nail with expansion tube; The piston pawl is packed in the through hole on anchor side, and centre bore one side of anchor body through hole has the spacing piston pawl of a resistance shelves part radial stroke; Countersunk head screw, elasticity shelves bar and holddown spring are entad pushed to the piston pawl spacing; Piston pawl central bottom has two to place round pools, and the latch of piston pawl is listed in the left and right sides of elasticity shelves bar; In the piston pawl circle vermicelli groove piston cushion rubber is arranged, guarantee the sealing between anchor body centre bore and the expansion tube inboard; Centre bore injects water under high pressure, and the cold pawl that promotes to live is protruding, and both sides slips tooth is bitten the expansion tube inwall, and formation is hung fixing relatively; Waterpower drogue device and decide to form high pressure between the journey expander, the head motion from top to bottom that promotes to expand, anchor body convex shoulder withstands the shockproof end of expansion tube, the collision and the jarring of going into the well in order to the payment expansion tube.
Traction tube in the said levitation traction device passes freely through the drilling rod centre bore on top and the anchor body centre bore of bottom, and its lower end snail head that files tightens up with hold-down nut, and lid cover spiral shell is being decided the compressing on the screwed pipe of journey expansion-head top; The upper end of traction tube is screwed into limit journey nut, spacing swivel nut bottom and anchor body top spiral shell knot, spacing swivel nut top links to each other with drilling rod by taper thread joint hoop, journey expansion-head drive traction tube is descending when deciding, and decides the journey expansion-head and releases expansion tube, promptly begins release, then piston pawl latch withdrawal, carry drilling rod and levitation traction device on beginning then, drive the rising of anchor body and cut off pin, then waterpower drogue and expansion tube hang and free; Limit journey nut to run into the intermediate flange of spacing swivel nut on working as it in addition, promptly the levitation traction device utilizes a traction tube and a retaining pulling to cover cover, and then the rising of journey expander is decided in traction, outside pulling out well.
Upward pushing type expansion pipe well repairing device of the present invention since the waterpower impetus in the head bottom gross area that expands, then greatly reduce the pressure that construction is suppressed, there be not the end and the junk problem of boring in general pressure in addition between 18-30MPa, therefore reduce operation and reduce cost, simplified engineering greatly.The present invention is simple in structure, reduced drilling back cover operation, work simplification, and the bulbs of pressure are low, and short construction period has wide application prospect.
Description of drawings
Fig. 1, upward pushing type expansion pipe well repairing device.
The specific embodiment
The present invention is described in detail as follows with reference to accompanying drawing:
The upward pushing type expansion pipe well repairing device that the present invention proposes comprises decides journey expander, waterpower drogue device and levitation traction device.Saidly decide the journey expander by expanding 3, valve ball 4, compressing screwed pipe 5, cushion rubber 6, plastic ring 7, lid cover 10, oil well casing 24, expansion tube 1, sealant tape 2 and form; Said waterpower drogue device is made up of tip nail 11, countersunk head screw 12, holddown spring 13, piston pawl 14, piston cushion rubber 15, elasticity shelves bar 16, shockproof end 17, anchor body 18; Said levitation traction device is made up of spacing swivel nut 19, joint hoop 20, drilling rod 21, traction tube 22, limit journey nut 23, shelves 9, hold-down nut 8.
Said 3 the top of expanding of deciding the journey expander pack into cushion rubber 6 and plastic ring 7 compress screwed pipe 5 by top and are screwed into the head that expands and compress sealing ring; Have narrow and small upper outlet compressing the lid cover 10 that screwed pipe top is spirally connected, catch a traction shelves head in a rigidity resistance shelves mode, this mechanism again with decide the journey tractor and be connected flexibly, do not fall in the well to guarantee after expansion, can catch on to expand; Taper hole is placed valve ball 4 on the head that expands, and the valve ball can cushion ground pressure periodically, and the valve ball then can be discharged liquid to top by jack-up when bottom pressure is higher, stabilize bottom pressure after, the valve ball is depressed, and goes round and begins again constantly to be depressed or to rise and fall; Bloated 3 expansion expansion tubes 1 make the sealant tape 2 of expansion tube outside press to oil well casing 24, realize that pressure hangs.
Said waterpower drogue device bottom is connected in the anchor body with tip nail 11 with expansion tube; Piston pawl 14 is packed in the through hole on anchor side, and centre bore one side of anchor body 18 through holes has spacing piston pawl 14 radial stroke of resistance shelves part; Countersunk head screw 12, elasticity shelves bar 16 and holddown spring 13 are entad pushed to the piston pawl spacing; Piston pawl bottom has two to place round pools, and the latch of piston pawl 14 is listed in the left and right sides of elasticity shelves bar 16; In the groove of the piston pawl face of cylinder piston cushion rubber 15 is arranged, guarantee the sealing between anchor body centre bore and the expansion tube inboard; Centre bore injects water under high pressure, and the cold pawl that promotes to live is protruding, and the both sides latch is bitten the expansion tube inwall, and formation is hung fixing relatively; Waterpower drogue device and decide to form high pressure between the journey expander, the head motion from top to bottom that will promote to expand, anchor body 18 convex shoulders withstand the shockproof end 17 of expansion tube, the collision and the jarring of going into the well in order to the payment expansion tube.
Application Example: oil well casing φ 139.7mm, internal diameter φ 124.4mm, well depth 1156m.The scraping borehole wall is 780.12-781.83m with 16 arm logging instruments, affirmation leak source, checks hole diameter with φ 118 * 3.0m drift size gauge tool.Adopt the upward pushing type expansion pipe device to carry out subsidy construction.Device largest contours φ 118mm, expansion pipe range 9m, wall thickness 6.15mm.Decide journey expansion-head part 3.6m, hydraulic anchor 1.10m, levitation traction device 8.5m, adopt the lifting of φ 73.1mm drilling rod, the back high pressure pump truck of going into the well is suppressed the cleaning tube wall, and pitching then, the pressure of spraining starting pressure 18.5MPa are to normal expansion stage 21MPa, overexpansion sealant tape 29.5MPa, go out the expansion tube pressure release to expansion-head, pin is cut off in the beginning backhaul increases by 12 tons, backhaul 7 tons of the head weightening finishes of expanding.End is sent the anti-device of K344-95mm envelope into dark 880m, suppresses 15MPa, pressurize 30 minutes, and pressure stability illustrates that the result of use of upward pushing type expansion pipe well repairing device reaches technical requirements.
Upward pushing type expansion pipe well repairing is simple in structure, reduced drilling back cover operation, work simplification, and the bulbs of pressure are low, and short construction period has wide application prospect.
Claims (4)
1, a kind of upward pushing type expansion pipe well repairing device is characterized in that this device comprises and decides journey expander, waterpower drogue device and levitation traction device;
Saidly decide the expander that the journey expander is an expansion tube, by bloated head, valve ball, compress screwed pipe, cushion rubber, plastic ring, lid cover, oil well casing, expansion tube, sealant tape and form;
Said waterpower drogue device is used to go into the well and carries expansion tube and expansion fixed expansion pipe, is made up of tip nail, countersunk head screw, holddown spring, piston pawl, piston cushion rubber, elasticity shelves bar, shockproof end, anchor body;
The range ability of journey expander is decided in said levitation traction device control, is made up of spacing swivel nut, joint hoop, drilling rod, traction tube, limit journey nut, shelves head, hold-down nut.
2, according to the said upward pushing type expansion pipe well repairing device of claim 1, it is characterized in that said top of deciding the bloated head of journey expander pack into cushion rubber and plastic ring, compress screwed pipe by top and be screwed into the head that expands and compress sealing ring; Have narrow and small upper outlet compressing the lid cover that screwed pipe top is spirally connected, catch a traction shelves head, again with decide the journey tractor and be connected; Taper hole is placed the valve ball on the head that expands.
3,, it is characterized in that said waterpower drogue device bottom is connected in the anchor body with tip nail with expansion tube according to the said upward pushing type expansion pipe well repairing device of claim 1; The piston pawl is packed in the through hole on anchor side, and centre bore one side of anchor body through hole has the spacing piston pawl of a resistance shelves part radial stroke; Countersunk head screw, elasticity shelves bar and holddown spring are entad pushed to the piston pawl spacing; Piston pawl bottom has two to place round pool, and the latch of piston pawl is listed in the left and right sides of elasticity shelves bar; In the piston pawl circle vermicelli groove piston cushion rubber is arranged..
4, according to the said upward pushing type expansion pipe well repairing device of claim 1, it is characterized in that the traction tube in the said levitation traction device, its lower end snail head that files tightens up with hold-down nut, and lid cover spiral shell is being decided the compressing on the screwed pipe of journey expansion-head top; The upper end of traction tube is screwed into limit journey nut, spacing swivel nut bottom and anchor body top spiral shell knot, and spacing swivel nut top links to each other with taper thread with drilling rod by the joint hoop, and there is flange the centre of spacing swivel nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100164115A CN100510313C (en) | 2006-10-31 | 2006-10-31 | Upward pushing type expansion pipe well repairing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100164115A CN100510313C (en) | 2006-10-31 | 2006-10-31 | Upward pushing type expansion pipe well repairing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1944946A true CN1944946A (en) | 2007-04-11 |
| CN100510313C CN100510313C (en) | 2009-07-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100164115A Active CN100510313C (en) | 2006-10-31 | 2006-10-31 | Upward pushing type expansion pipe well repairing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100510313C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101575951A (en) * | 2008-05-05 | 2009-11-11 | 上海管力卜石油设备有限公司 | Petroleum expansion pipe hanger and construction technology |
| CN103967438A (en) * | 2014-05-12 | 2014-08-06 | 中国石油化工股份有限公司 | Tool for repairing sleeve with expansion pipe |
| CN101906947B (en) * | 2009-06-04 | 2014-10-15 | 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 |
| CN105064942A (en) * | 2015-08-25 | 2015-11-18 | 元玉石 | Airbag well repairing tool |
| WO2021012289A1 (en) * | 2019-07-24 | 2021-01-28 | 屈波 | Liner composite device for pipeline |
-
2006
- 2006-10-31 CN CNB2006100164115A patent/CN100510313C/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101575951A (en) * | 2008-05-05 | 2009-11-11 | 上海管力卜石油设备有限公司 | Petroleum expansion pipe hanger and construction technology |
| CN101575951B (en) * | 2008-05-05 | 2013-04-17 | 上海管力卜石油设备有限公司 | Petroleum expansion pipe hanger and construction technology |
| CN101906947B (en) * | 2009-06-04 | 2014-10-15 | 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 |
| CN103967438A (en) * | 2014-05-12 | 2014-08-06 | 中国石油化工股份有限公司 | Tool for repairing sleeve with expansion pipe |
| CN105064942A (en) * | 2015-08-25 | 2015-11-18 | 元玉石 | Airbag well repairing tool |
| CN105064942B (en) * | 2015-08-25 | 2018-02-23 | 元玉石 | A kind of air bag mends well instrument |
| WO2021012289A1 (en) * | 2019-07-24 | 2021-01-28 | 屈波 | Liner composite device for pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100510313C (en) | 2009-07-08 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN GUANLIBO PETROLEUM TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LIU WENXI Effective date: 20100422 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300072 19-2804, XINYUAN VILLAGE, TIANJIN UNIVERSITY, TIANJIN CITY TO: 300384 ROOM 5018, TORCH BUILDING, NO.2, HUATIAN ROAD, HUAYUAN INDUSTRY ZONE, TIANJIN CITY |
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| TR01 | Transfer of patent right |
Effective date of registration: 20100422 Address after: 300384 Tianjin Huayuan Industrial District 2 Alex Hua Tian Road, Torch Hotel, room 5018 Patentee after: TIANJIN GUANLIBO PETROLEUM TECHNOLOGY Co.,Ltd. Address before: 300072 Tianjin University Park Village of Tianjin city 19-2804 Patentee before: Liu Wenxi |
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| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Liu Wenxi Document name: payment instructions |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230413 Granted publication date: 20090708 |
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Addressee: Liu Wenxi Document name: Notice of commencement of preservation procedure |