CN106337663A - Hydraulic Active Clamping and Fishing Tool - Google Patents
Hydraulic Active Clamping and Fishing Tool Download PDFInfo
- Publication number
- CN106337663A CN106337663A CN201610958155.5A CN201610958155A CN106337663A CN 106337663 A CN106337663 A CN 106337663A CN 201610958155 A CN201610958155 A CN 201610958155A CN 106337663 A CN106337663 A CN 106337663A
- Authority
- CN
- China
- Prior art keywords
- clamping
- fishing tool
- salvaging
- cylinder
- fishing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000000664 rectum Anatomy 0.000 claims description 4
- 229910052755 nonmetal Inorganic materials 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 20
- 210000002445 nipple Anatomy 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/12—Grappling tools, e.g. tongs or grabs
- E21B31/18—Grappling tools, e.g. tongs or grabs gripping externally, e.g. overshot
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Marine Sciences & Fisheries (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
Abstract
The invention discloses a hydraulic active clamping and fishing tool. The hydraulic active clamping and fishing tool comprises an oil cylinder barrel, an oil cylinder rod, an outer fishing cylinder, an inner fishing cylinder, an inner clamping sleeve and an outer clamping sleeve. The oil cylinder rod is located inside the oil cylinder barrel, the inner fishing cylinder is located inside the outer fishing cylinder, the inner clamping sleeve is located inside the outer clamping sleeve, the upper end of the outer fishing cylinder is connected with the oil cylinder, while the lower end is connected with the outer clamping sleeve, the upper end of the inner fishing cylinder is connected with the oil cylinder rod, and the lower end thereof is connected to the inner clamping sleeve. According to the hydraulic active clamping and fishing tool provided by the invention, the outer wall of the inner clamping sleeve is matched with the inner wall of the outer clamping sleeve through taper surfaces with the same taper; the inner clamping sleeve is of a four-lobe structure, and the upper end of the inner clamping sleeve is in abutment with the lower end of the inner fishing cylinder. The hydraulic active clamping and fishing tool provided by the invention can be used for fishing traditional oil pipes and the non-metal continuous oil pipes, so that the blank of the domestic non-material fishing tool is filled, and the application and development of the non-metal continuous oil pipe is promoted.
Description
Technical field
The present invention relates to oil well technology, specifically a kind of hydraulic active clamping fishing tool.
Background technology
Traditional tubing fishing tool is mainly used in the salvaging of steel oil pipe, is broadly divided into according to version difference: cone
Class fishing tool, lance class fishing tool and cylinder class fishing tool.Cone class fishing tool is by the endoporus or outer wall of oil pipe
Being salvaged, due to the design feature of non metal continuous oil pipe, its inner liner and external protection material are that polyethylene is strong to thread making
Degree is relatively low thus cannot be salvaged using this kind of mode.Lance class fishing tool and cylinder class fishing tool are all to be leaned on certainly by internal slide block
Weight slide downward, slide block and inclined-plane produce relative displacement, make that slide block bites the endoporus of junk or outer wall is salvaged, due to non-gold
Genus coiled tubing is multilayer non-stick junction structure, can the sliding between layers of tubing, and such fishing tool cannot be formed enough
Radial load to overcome tubing slip between layers, the disengaging of external protection or inner liner can be caused, thus cannot adopt
This kind of mode is salvaged.
Content of the invention
It is an object of the invention to provide a kind of hydraulic active clamps fishing tool, can be used for traditional oil pipe and nonmetallic
The salvaging of coiled tubing, has filled up the domestic blank not having such pipes dragging tools, has promoted answering of non metal continuous oil pipe
With and development.
In order to reach above-mentioned purpose, present invention employs following technical scheme, a kind of hydraulic active clamps fishing tool,
Including cylinder tube, cylinder rod, salvage outer tube, salvage inner core, clamping inner sleeve, clamping overcoat, described cylinder rod inside cylinder tube,
Described salvaging inner core is salvaging outer barrel, is enclosed within clamping jacket internal in described clamping, and described salvaging outer tube upper end connects oil
Cylinder barrel, lower end connects clamping overcoat, and described salvaging inner core upper end connects cylinder rod, and lower end connects clamping inner sleeve.
Described clamping outer wall of inside race adopts the cone match of identical taper with clamping outer casing inner wall.
Described clamping inner sleeve is four valve structures, and clamps interior set upper side and salvage inner core lower end by the way of abutting.
Inner core salvaged by described fishing tool and the circumferential surface of salvaging outer tube is provided with through hole.
The described circumferential surface salvaging outer tube is evenly equipped with four and clamps inner sleeve make clamping inner sleeve open latus rectum for embedded
Maximum rectangle hollow out window.
Described clamping overcoat lower end connects guide shoe, and the lower surface of guide shoe is helical form, inner surface band taper.
Compared to prior art, the method have the advantages that
Have simple to operate, safe and reliable, the advantages of applied widely.Can be used for conventional steel oil pipe and nonmetallic continuous
The salvaging of oil pipe, has filled up the vacancy of domestic non metal continuous oil pipe no fishing tool.
Brief description
Fig. 1 is the structural representation that a kind of hydraulic active of the present invention clamps fishing tool.
In figure: tubing nipple 1, cylinder tube 2, cylinder rod 3, salvaging outer tube 4, salvaging inner core 5, clamping inner sleeve 6, clamping overcoat
7th, guide shoe 8, oil well casing 9, non metal continuous oil pipe 10.
Specific embodiment
For the present invention describe in detail and technology contents, cooperation brief description as follows, but accompanying drawing only provide reference with
Purposes of discussion, is not used for the present invention is any limitation as.
According to Fig. 1, a kind of hydraulic active clamps fishing tool, including cylinder tube 2, cylinder rod 3, salvages outer tube 4, salvages
Inner core 5, clamping inner sleeve 6, clamping overcoat 7, inside cylinder tube 2, described salvaging inner core 5 is in salvaging outer tube 4 for described cylinder rod 3
Portion, inside clamping overcoat 7, described salvaging outer tube upper end connects cylinder tube to described clamping inner sleeve 6, and lower end connects clamping overcoat,
Described salvaging inner core upper end connects cylinder rod, and lower end connects clamping inner sleeve.Described clamping outer wall of inside race and clamping outer casing inner wall are adopted
Cone match with identical taper.Described clamping inner sleeve 6 be four valve structures, and clamp interior set upper side with salvaging inner core lower end adopt
With the mode abutting.The circumferential surface of described salvaging inner core and salvaging outer tube is provided with through hole.The described circumference table salvaging outer tube 4
Face is evenly equipped with four for embedded clamping inner sleeve and the rectangle hollow out window that makes clamping inner sleeve open latus rectum maximum.Described clamping is outer
Set lower end connects guide shoe 8, and the lower surface of guide shoe is helical form, inner surface band taper.
This fishing tool is actively to clamp, and with power set, wherein cylinder rod 3 is connected with salvaging inner core 5, cylinder tube
2 are connected with salvaging outer tube 4.By pressurizeing in the oil pipe to cylinder tube afterbody, hydraulic driving oil cylinder bar and salvaging inner core are downward
Motion drives the clamping inside undergauge of inner sleeve thus clamping the pipeline falling in well.
Wherein said fishing tool carries power set, and cylinder tube 2 afterbody is connected with oil pipe by tubing nipple 1,
Cylinder tube 2 lower end is connected with salvaging outer tube 4 and clamping overcoat 7, and cylinder rod 3 is connected with salvaging inner core 5 and clamping inner sleeve 6.
By pressurizeing into oil pipe, hydraulic driving oil cylinder bar drives to salvage inner core and clamp inner sleeve and moves downward.
Wherein said fishing tool clamping inner sleeve is four valve structures, and outer surface band is tapered, the inner surface of clamping overcoat
With and clamping inner sleeve identical taper, the endoporus clamping inner sleeve when clamping inner sleeve and moving downward in the presence of the conical surface can be to
Interior undergauge, the size of chucking power of clamping inner sleeve is relevant with oil cylinder internal pressure size.
Inner core 5 salvaged by wherein said fishing tool and the outer surface of salvaging outer tube 4 is provided with some circular holes, for salvaging
During instrument decentralization, the discharge of fishing socket internal liquid, reduces viscosity resistance in crude oil.
Wherein said fishing tool is evenly equipped with four rectangle hollow out windows in the circumferential surface salvaging outer tube 4, works as salvaging
Instrument is in when opening station, and four valve structures of clamping inner sleeve 6 are embedded in the hollow out window salvaging outer tube so that salvaging after opening
The latus rectum of instrument reaches maximum.
The lower surface of wherein said fishing tool guide shoe 8 is helical form, and inner surface band taper facilitates drawing of tubing top of fish
Enter and the gathering beneficial to spiral enhancement bar when salvaging nonmetallic continuous pipe.
Transfer fishing tool in oil well casing 9 by tubing nipple 1 connected pipes during fishing, transfer to top of fish position
Postpone to introduce tubing by guide shoe 8 and salvage in inner core 5, then pressurize into oil pipe, cylinder rod 3 drives and beats under hydraulic work
Drag for inner core 5 and clamping inner sleeve 6 moves down, the clamping inside undergauge of inner sleeve 6 clamps non metal continuous oil pipe 10, above carries oil pipe band
Non metal continuous oil pipe 10 is proposed well head by dynamic cylinder tube 2, salvaging outer tube 4 and clamping overcoat 7.
The foregoing is only presently preferred embodiments of the present invention, be not used to limit the scope of the claims of the present invention, other are with this
The equivalence changes of the patent spirit of invention, all should all belong to the scope of the claims of the present invention.
Claims (6)
1. a kind of hydraulic active clamping fishing tool it is characterised in that including cylinder tube, cylinder rod, salvaging outer tube, salvage in
Cylinder, clamping inner sleeve, clamping overcoat, inside cylinder tube, described salvaging inner core is salvaging outer barrel, described folder to described cylinder rod
It is enclosed within clamping jacket internal, described salvaging outer tube upper end connects cylinder tube, lower end connects clamping overcoat, described salvaging inner core in holding
Upper end connects cylinder rod, and lower end connects clamping inner sleeve.
2. a kind of hydraulic active clamping fishing tool according to claim 1 is it is characterised in that outside described clamping inner sleeve
Wall adopts the cone match of identical taper with clamping outer casing inner wall.
3. a kind of hydraulic active clamping fishing tool according to claim 1 is it is characterised in that described clamping inner sleeve is
Four valve structures, and clamp interior set upper side and salvage inner core lower end by the way of abutting.
4. a kind of hydraulic active clamping fishing tool according to claim 1 is it is characterised in that described fishing tool is beaten
Drag for inner core and the circumferential surface of salvaging outer tube is provided with through hole.
5. a kind of hydraulic active according to claim 1 clamps fishing tool it is characterised in that described salvaging outer tube
Circumferential surface is evenly equipped with four for embedded clamping inner sleeve and the rectangle hollow out window that makes clamping inner sleeve open latus rectum maximum.
6. a kind of hydraulic active clamping fishing tool according to claim 1 is it is characterised in that under described clamping overcoat
End connects guide shoe, and the lower surface of guide shoe is helical form, inner surface band taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610958155.5A CN106337663A (en) | 2016-11-03 | 2016-11-03 | Hydraulic Active Clamping and Fishing Tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610958155.5A CN106337663A (en) | 2016-11-03 | 2016-11-03 | Hydraulic Active Clamping and Fishing Tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106337663A true CN106337663A (en) | 2017-01-18 |
Family
ID=57840866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610958155.5A Pending CN106337663A (en) | 2016-11-03 | 2016-11-03 | Hydraulic Active Clamping and Fishing Tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106337663A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237610A (en) * | 2017-08-14 | 2017-10-10 | 中国石油大学(华东) | A kind of continuous pipe release device |
| CN113482598A (en) * | 2021-08-24 | 2021-10-08 | 中石化石油工程技术服务有限公司 | Storage well logging locking and releasing short section and device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1757363A (en) * | 1929-03-06 | 1930-05-06 | John M Fischbach | Hydraulic socket |
| US5690170A (en) * | 1996-02-22 | 1997-11-25 | Hailey; Charles D. | Hydraulic cutting overshot |
| CN2732985Y (en) * | 2004-09-17 | 2005-10-12 | 新疆石油管理局井下作业公司 | Multipurpose well-repairing fishing collar with a fishing grab |
| RU2267597C1 (en) * | 2004-05-05 | 2006-01-10 | Общество с ограниченной ответственностью "Биттехника" | Hydraulic junk retriever |
| CN202249882U (en) * | 2011-09-20 | 2012-05-30 | 中国石油天然气集团公司 | Hydraulic returnable slip overshot |
| CN203430459U (en) * | 2013-08-19 | 2014-02-12 | 中国石油集团渤海钻探工程有限公司 | Slide slip type coiled tubing jar knocker |
| CN105464612A (en) * | 2015-12-18 | 2016-04-06 | 中国石油天然气股份有限公司 | Horizontal well hydraulic fishing barrel |
| CN105545241A (en) * | 2016-01-07 | 2016-05-04 | 西南石油大学 | Slip-type internal fisher for coiled tube |
| CN205591864U (en) * | 2016-05-13 | 2016-09-21 | 张霞 | Special fisher of beam -pumping unit polished rod |
| CN206158645U (en) * | 2016-11-03 | 2017-05-10 | 中国石油新疆油田分公司（准东采油厂） | Active centre gripping fishing tool of hydraulic pressure |
-
2016
- 2016-11-03 CN CN201610958155.5A patent/CN106337663A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1757363A (en) * | 1929-03-06 | 1930-05-06 | John M Fischbach | Hydraulic socket |
| US5690170A (en) * | 1996-02-22 | 1997-11-25 | Hailey; Charles D. | Hydraulic cutting overshot |
| RU2267597C1 (en) * | 2004-05-05 | 2006-01-10 | Общество с ограниченной ответственностью "Биттехника" | Hydraulic junk retriever |
| CN2732985Y (en) * | 2004-09-17 | 2005-10-12 | 新疆石油管理局井下作业公司 | Multipurpose well-repairing fishing collar with a fishing grab |
| CN202249882U (en) * | 2011-09-20 | 2012-05-30 | 中国石油天然气集团公司 | Hydraulic returnable slip overshot |
| CN203430459U (en) * | 2013-08-19 | 2014-02-12 | 中国石油集团渤海钻探工程有限公司 | Slide slip type coiled tubing jar knocker |
| CN105464612A (en) * | 2015-12-18 | 2016-04-06 | 中国石油天然气股份有限公司 | Horizontal well hydraulic fishing barrel |
| CN105545241A (en) * | 2016-01-07 | 2016-05-04 | 西南石油大学 | Slip-type internal fisher for coiled tube |
| CN205591864U (en) * | 2016-05-13 | 2016-09-21 | 张霞 | Special fisher of beam -pumping unit polished rod |
| CN206158645U (en) * | 2016-11-03 | 2017-05-10 | 中国石油新疆油田分公司（准东采油厂） | Active centre gripping fishing tool of hydraulic pressure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237610A (en) * | 2017-08-14 | 2017-10-10 | 中国石油大学(华东) | A kind of continuous pipe release device |
| CN113482598A (en) * | 2021-08-24 | 2021-10-08 | 中石化石油工程技术服务有限公司 | Storage well logging locking and releasing short section and device |
| CN113482598B (en) * | 2021-08-24 | 2024-08-23 | 中石化石油工程技术服务有限公司 | Storage logging locking release nipple joint and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170118 |
|
| RJ01 | Rejection of invention patent application after publication |