CN103452514B - Wide-range catch socket - Google Patents
Wide-range catch socket Download PDFInfo
- Publication number
- CN103452514B CN103452514B CN201310418136.XA CN201310418136A CN103452514B CN 103452514 B CN103452514 B CN 103452514B CN 201310418136 A CN201310418136 A CN 201310418136A CN 103452514 B CN103452514 B CN 103452514B
- Authority
- CN
- China
- Prior art keywords
- connect
- wide
- sand filter
- direct circulation
- reacting cycle
- 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.)
- Expired - Fee Related
Links
Landscapes
- Cyclones (AREA)
Abstract
The present invention relates to a kind of wide-range catch socket, comprise successively along the top contact connect, circulating connection, urceolus and lower contact, ball seat is provided with in circulating connection, feature is: circulating connection is three company's four-way connections, the tube wall of circulating connection is shaped with and organizes loop exit more, connect in the four-way connection other end three and be connected with sand filter and inner core, the sand filter other end connects cyclone separator; Lower contact is four even duplex fittings, is shaped with the connecting thread of two kinds of diameters at four two ends connecting duplex fitting respectively.Advantage is: by the local reverse-circulation of pitching implementation tool place well section, can collect, and it is carried into well head completely with instrument by effectively a large amount of to the metal fragment, reservoir sand etc. that produce in the processes such as cover milling, milling, sand washing; Also can with fishing tool with the use of, avoid the complex situations in conventional direct circulation; Solve the difficult problem that conventional small falling object fishing tool cannot realize thoroughly salvaging and carrying, operating efficiency and success rate can be increased substantially, save the fringe cost produced in operation process.
Description
Technical field
The invention belongs to oil well technical field of tools, particularly relate to a kind of wide-range catch socket.
Background technology
At present; at sea in oil wells in field fishing process; often can run into a large amount of chunky shape foreign material; as: cement fragment, corrosion tubing string chip and formation sand production etc. after the metal species chip after cover milling, brill plug; use the instruments such as conventional fishing cup or junk basket with reverse circulation; because performance is single, without filtering function; usually disposablely thoroughly pit shaft cannot be cleaned out; a sand washing difficult problem for horizontal well, extended reach well, and tail pipe well upper sleeve internal cause annular space return speed change cause top hole clean difficulty problem.And residual all kinds of chunky shape impurity bring more uncertain factor to again follow-up fishing.
Summary of the invention
The present invention provides a kind of wide-range catch socket for solving in known technology the technical problem that exists.
The various chip class impurity of down-hole are efficiently cleaned out by coordinating with other underground operation tool by this wide-range catch socket, or under cover (mill) the milling job state of direct circulation, realize effective cleaning, the separation to all kinds of fragment in down-hole by pitching and collect, solve the difficult problem that conventional small falling object fishing tool cannot realize thoroughly salvaging and carrying, not only can increase substantially operating efficiency and success rate, also can save the fringe cost produced in operation process.
The technical scheme that the present invention takes for the technical problem existed in solution known technology is:
Wide-range catch socket, comprise successively along the top contact connect, circulating connection, urceolus and lower contact, ball seat is provided with in described circulating connection, described circulating connection is three company's four-way connections, the tube wall of described circulating connection is shaped with many groups can change circular flow to local reverse circulating loop exit, connect in the four-way connection other end three and be connected with sand filter and inner core, the described sand filter other end is connected with cyclone separator by eliminator base; Described lower contact is four even duplex fittings, and connect duplex fitting one end described four and be shaped with the screw thread being respectively used to the two kinds of diameters connecting urceolus and inner core, the other end is shaped with the two kinds of diameter connecting threads being respectively used to connect milling shoe and other fishing tool.
The present invention can also adopt following technical scheme:
Described three connect four-way connection tube wall is shaped with two groups can change circular flow to the reverse circulating loop exit in local, wherein one group is that reacting cycle becomes direct circulation outlet, and another group exports for direct circulation becomes reacting cycle.
Described reacting cycle become direct circulation outlet and direct circulation become reacting cycle outlet all and three connect four-way connection axially between be provided with angle, wherein reacting cycle become direct circulation outlet and three connect four-way connection axially between be provided with the angle being less than 40 °, described direct circulation become reacting cycle outlet and three connect four-way connection axially between be provided with the angle being less than 20 °.
Described sand filter adopts multi-C stereo sand filter, at multi-C stereo sand filter built with multi-C stereo screen pack.
The annular space of described inner core and urceolus forms the memory space of fishing tool fish.
The described sand filter other end connects cyclone separator by eliminator base.
The advantage that the present invention has and good effect are: because the present invention adopts technique scheme, use this wide-range catch socket by the mode of pitching, optimize the endless form in pit shaft, make the endless form in this region become reacting cycle from direct circulation, significantly can improve the carrying capacity of liquid to chunky shape foreign material; Chunky shape foreign material are separated and filtration with multi-C stereo strainer by cyclone separator simultaneously, realize collecting effective salvaging of the solid phases such as the metal fragment produced in operation process, block impurity and reservoir sand, and then the frequency that in minimizing pit shaft, complex situations occur, efficiency is salvaged in effective raising, ensure that the success rate of subsequent job.In addition, this wide-range catch socket has stronger operability and reusable function, can ensure the success rate of overlapping the operations such as milling, milling, salvaging, and can reduce the risk of Partial Jobs, improve operation timeliness, reduce operating cost.This wide-range catch socket is specially adapted to that platform slush pump discharge capacity is little, cover (mill) milling of tail pipe well and horizontal well and extended reach well etc., sand washing and other operation, all can receive good effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1, top contact; 2, ball seat (commutation of liquid stream); 3, three connect four-way connection; 3-1, reacting cycle become direct circulation outlet; 3-2, direct circulation become reacting cycle outlet; 4, ball; 5, screen pack; 6, eliminator base; 7, cyclone separator; 8, inner core centralizer; 9, inner core; 10, urceolus; 11, four connect duplex fitting; 11-1, milling shoe (casing section mill) connecting thread; 11-2, other underground operation tool connecting thread; 12, memory space.
Detailed description of the invention
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1, wide-range catch socket, comprise successively along the top contact 1 connect, circulating connection, urceolus 10 and lower contact, in described circulating connection, be provided with the commutation of ball seat 2(liquid stream).Described circulating connection is three company's four-way connections 3, described three connect four-way connections tube wall on be shaped with many groups can change circular flow to local reverse circulating loop exit, connect in the four-way connection other end three and be connected with sand filter and inner core 9, the described sand filter other end is connected with cyclone separator 7.Described lower contact is four even duplex fittings 11, and connect duplex fitting one end described four and be shaped with the two kinds of diameter thread being respectively used to connect urceolus and inner core, the other end is shaped with the two kinds of diameter connecting threads being respectively used to connect milling shoe and other fishing tool.
In the present embodiment, described three connect four-way connection tube wall is shaped with two groups can change circular flow to the reverse circulating loop exit in local, wherein one group is that reacting cycle becomes direct circulation outlet 3-1, and another group exports 3-2 for direct circulation becomes reacting cycle.
Described reacting cycle become direct circulation outlet and direct circulation become reacting cycle outlet all and three connect four-way connection axially between be provided with angle, wherein reacting cycle become direct circulation outlet and three connect four-way connection axially between be provided with the angle being less than 40 °, described direct circulation become reacting cycle outlet and three connect four-way connection axially between be provided with the angle being less than 20 °.
In the present embodiment, described sand filter adopts multi-C stereo sand filter, at multi-C stereo sand filter built with multi-C stereo screen pack 5.
The annular space of described inner core and urceolus forms the memory space 12 of fishing tool fish.
The described sand filter other end connects cyclone separator 7 by eliminator base 6, cyclone separator not only can realize preliminary Separation of Solid and Liquid, but also can reduce the erosion of liquid stream to sand filter, after being separated by two-stage, guarantee to enter the clean of upper annulus fluid, ensure job safety.
Metal fragment, block impurity and reservoir sand etc. are undertaken being separated by cyclone separator and multi-C stereo screen pack and filter by this fishing socket, and then realize collecting effective salvaging of the solid phases such as the metal fragment produced in operation process, block impurity and reservoir sand, and then the frequency that in minimizing pit shaft, complex situations occur, effectively improve and salvage efficiency.Described inner core is also equipped with inner core centralizer 8.
Described four connect duplex fitting one end is shaped with the two kinds of diameter thread being respectively used to connect urceolus and inner core, and the other end is shaped with the two kinds of diameter connecting threads being respectively used to connect milling shoe and other fishing tool.In the present embodiment, the diameter of described milling shoe (casing section mill) connecting thread 11-1 is greater than other underground operation tool connecting thread 11-2.
Described four connect duplex fitting bottom can connect milling shoe (or casing section mill) and other fishing tool, as only needed fishing tool operation, connecting milling shoe and can be used for protection instrument, guaranteeing the safety into well tool.
Described urceolus and inner core can require to lengthen according to casing programme, hole condition and circulation discharge capacity etc., the practicality of larger performance instrument.
This fishing socket passes through pitching, effective a large amount of collection such as metal fragment, reservoir sand that can will produce in the processes such as cover milling, milling, sand washing, and it is carried into well head completely with instrument, also can with other underground operation tool with the use of, avoid some complex situations common in conventional direct circulation.As: combinationally use with casing section mill in cover milling operation, effectively can clear up the metal pieces and other foreign material that produce in cover milling process under the state of direct circulation, and solid phase at casing section mill and casing annulus, can not decrease the risk of bit freezing.
Operating principle of the present invention is:
During operation, this fishing socket coordinates the uses such as mill, milling sand flushing tool, also can independently use.When instrument is behind precalculated position, well head pitching 4, well head connection side drilling rod (or top is driven), the good direct circulation flow process in ground, after treating that ball 4 enters ball seat 2; Ground can direct circulation operation, liquid flow path direction: in slurry tank → slush pump → manifold of ground (direct circulation) → water tap → kelly bar (or top is driven) → drilling tool → tri-connect four-way connection 3(ball 4) → direct circulation becomes reacting cycle outlet 3-2 → urceolus 10 and sleeve pipe (well) annular space → tetra-and connects duplex fitting 11 and its underpart fastening means and sleeve pipe (well) annular space → job position (carrying shaft bottom solid phase) → instrument and four even duplex fitting 11 inside → inner core 9 inside → cyclone separator 7(solid-liquid initial gross separations) solid phase sinks down into memory space 12 → strainer 5 solid-liquid and is thoroughly separated → tri-even four-way connection 3 → reacting cycle become direct circulation and export 3-1 → drilling tool and sleeve pipe (well) annular space → well head → manifold of ground → slurry tank.Realize the closed cycle of overall direct circulation local reverse-circulation.
Require in operation process that fracturing fluid cleans, forbid impurity to enter pit shaft, prevent impurity from entering urceolus 10 and cause bit freezing with sleeve pipe (well) annular space, or impurity enters the situations such as sand filter inside, causes down-hole situation complicated.
Do not need long-time circulation in operation process or before end of job trip-out, only need the very short time fully to open a hole at the end, most circulation timei can be saved.
The end of job rises and is drilled into well head, takes the junction button that urceolus 10 and four connects duplex fitting 11 apart, can clean out allly to drag for the shaft bottom impurity obtained, and by the analysis of whole fish, accurately can judge down-hole situation, so that the precise arrangements enforcement of subsequent job.Instrument execute-in-place is simple, reusable after site inspection maintenance.
According to the function of extensive region fishing socket, this fishing tool adopt multi-C stereo design, according under different hole condition conditions, can have plurality of specifications for.Consider the multi-subject knowledge schemes such as engineering fluid mechanics, realizing can the project organization of classification, meets field operation demand.
This wide-range catch socket optimizes the structure of tool interior, significantly improve the salvaging of well bottom ch ips foreign material, carrying capacity, optimize the circulatory flow in pit shaft, the local reacting cycle under overall direct circulation operating mode is achieved by the mode of pitching, improve the carrying capacity of liquid, significantly improve the ability of salvaging fragment foreign material, ensure that the success rate of subsequent job.
In order to effectively be collected in cover milling, cover punching, in the cargo handling operation such as milling and sand washing, because operation needs or capacity of equipment restriction etc. must use the endless form of direct circulation, use this wide-range catch socket by the mode of pitching, change the circulatory flow of wide-range catch socket local, the endless form in this region is made to become reacting cycle from direct circulation, significantly can improve the carrying capacity of liquid to chunky shape foreign material, undertaken being separated by cyclone separator and multi-C stereo screen pack simultaneously and filter, and then realize the metal fragment produced in operation process, effective salvaging of the block solid phase such as impurity and reservoir sand is collected, and then the frequency that in minimizing pit shaft, complex situations occur, efficiency is salvaged in effective raising.
Meanwhile, this wide-range catch socket has stronger operability and reusable function, can ensure to overlap the success rate of the operations such as milling, milling, salvaging and can reduce the risk of Partial Jobs, improving operation timeliness.
Claims (6)
1. a wide-range catch socket, comprise successively along the top contact connect, circulating connection, urceolus and lower contact, ball seat is provided with in described circulating connection, it is characterized in that: described circulating connection is three company's four-way connections, the tube wall of described circulating connection is shaped with many groups can change circular flow to local reverse circulating loop exit, connect in the four-way connection other end three and be connected with sand filter and inner core, the described sand filter other end connects cyclone separator; Described lower contact is four even duplex fittings, and connect duplex fitting one end described four and be shaped with the two kinds of diameter connecting threads being respectively used to connect urceolus and inner core, the other end is shaped with the two kinds of diameter connecting threads being respectively used to connect milling shoe and other fishing tool.
2. wide-range catch socket according to claim 1, it is characterized in that: described three connect four-way connection tube walls are shaped with two groups can change circular flow to the reverse circulating loop exit in local, wherein one group is that reacting cycle becomes direct circulation outlet, and another group exports for direct circulation becomes reacting cycle.
3. wide-range catch socket according to claim 2, it is characterized in that: described reacting cycle become direct circulation outlet and direct circulation become reacting cycle outlet all and three connect four-way connection axially between be provided with angle, wherein reacting cycle become direct circulation outlet and three connect four-way connection axially between be provided with the angle being less than 40 °, described direct circulation become reacting cycle outlet and three connect four-way connection axially between be provided with the angle being less than 20 °.
4. wide-range catch socket according to claim 1, is characterized in that: described sand filter adopts multi-C stereo sand filter, at multi-C stereo sand filter built with multi-C stereo screen pack.
5. wide-range catch socket according to claim 1, is characterized in that: the annular space of described inner core and urceolus forms the memory space of fishing tool fish.
6. wide-range catch socket according to claim 1, is characterized in that: the described sand filter other end connects cyclone separator by eliminator base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310418136.XA CN103452514B (en) | 2013-09-13 | 2013-09-13 | Wide-range catch socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310418136.XA CN103452514B (en) | 2013-09-13 | 2013-09-13 | Wide-range catch socket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103452514A CN103452514A (en) | 2013-12-18 |
| CN103452514B true CN103452514B (en) | 2016-03-30 |
Family
ID=49735298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310418136.XA Expired - Fee Related CN103452514B (en) | 2013-09-13 | 2013-09-13 | Wide-range catch socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103452514B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867201B (en) * | 2014-03-28 | 2016-06-15 | 中国石油集团渤海钻探工程有限公司 | Underground for probing sand sampling instrument |
| CN106468149B (en) * | 2015-08-20 | 2019-01-11 | 中国石油化工股份有限公司 | A kind of salvaging structure |
| CN105840125B (en) * | 2016-06-13 | 2019-02-01 | 新疆如通石油技术服务有限公司 | A kind of controllable reacting cycle structure |
| CN112065313B (en) * | 2020-10-09 | 2021-11-23 | 中国石油集团渤海钻探工程有限公司 | Turbine negative pressure type local reverse circulation grinding and milling fishing tool |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB340292A (en) * | 1929-07-08 | 1931-01-08 | Doheny Stone Drill Co | Improvements in or relating to fishing tools for use in well drilling operations |
| US4856582A (en) * | 1988-07-20 | 1989-08-15 | Atlantic Richfield Company | Motorized wellbore fishing tool |
| CN2138188Y (en) * | 1992-11-25 | 1993-07-14 | 杜茂森 | Handle multi-functional fisher of accident in pit |
| CN2732984Y (en) * | 2004-09-17 | 2005-10-12 | 新疆石油管理局井下作业公司 | Multipurpose hydraulic junk basket |
| CN202510073U (en) * | 2012-01-04 | 2012-10-31 | 中国石油天然气集团公司 | Magnetic force fishing socket |
| CN202689988U (en) * | 2012-08-13 | 2013-01-23 | 通化市前进石油机械有限公司 | Hydraulic returnable salvage cylinder |
| CN203441414U (en) * | 2013-09-13 | 2014-02-19 | 中国海洋石油总公司 | Wide-area overshot |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9194202B2 (en) * | 2011-08-03 | 2015-11-24 | Cameron International Corporation | Fishing tool for drill pipe |
-
2013
- 2013-09-13 CN CN201310418136.XA patent/CN103452514B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB340292A (en) * | 1929-07-08 | 1931-01-08 | Doheny Stone Drill Co | Improvements in or relating to fishing tools for use in well drilling operations |
| US4856582A (en) * | 1988-07-20 | 1989-08-15 | Atlantic Richfield Company | Motorized wellbore fishing tool |
| CN2138188Y (en) * | 1992-11-25 | 1993-07-14 | 杜茂森 | Handle multi-functional fisher of accident in pit |
| CN2732984Y (en) * | 2004-09-17 | 2005-10-12 | 新疆石油管理局井下作业公司 | Multipurpose hydraulic junk basket |
| CN202510073U (en) * | 2012-01-04 | 2012-10-31 | 中国石油天然气集团公司 | Magnetic force fishing socket |
| CN202689988U (en) * | 2012-08-13 | 2013-01-23 | 通化市前进石油机械有限公司 | Hydraulic returnable salvage cylinder |
| CN203441414U (en) * | 2013-09-13 | 2014-02-19 | 中国海洋石油总公司 | Wide-area overshot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103452514A (en) | 2013-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103452514B (en) | Wide-range catch socket | |
| CN203441414U (en) | Wide-area overshot | |
| CN111577175A (en) | Solid-liquid separation device and method for drilling cuttings in underground coal mine | |
| CN201394383Y (en) | Slurry and sand separating device | |
| CN104343403A (en) | Three-in-one mud cleaner | |
| CN105041255A (en) | Hole bottom combined drilling tool used for fishing broken falling objects in drilled hole and fishing method of hole bottom combined drilling tool | |
| CN210944903U (en) | Oil is drilling fluid filter equipment in pit | |
| CN103104203A (en) | Drilling-fluid solid-control control process | |
| CN109854193B (en) | Mud circulation system and method for submarine drilling machine | |
| CN102536144B (en) | Coal bed gas double-channel well washing valve | |
| CN210422514U (en) | Mud circulating system of submarine drilling rig | |
| CN205990880U (en) | A kind of high-pressure water jet rock-soil layer Counterboring apparatus | |
| CN208900092U (en) | A kind of online eddy flow is set except being fixedly mounted with | |
| CN204920877U (en) | Novel multi -functional anti - circulating overshot | |
| CN205714046U (en) | Mud does not land intelligent environment protection integration well drilling solid control system | |
| CN201470171U (en) | Liquid-sand separator | |
| CN213684074U (en) | Tool for cleaning silt deposited in horizontal well screen pipe | |
| CN107013204A (en) | A kind of oil gas water solid multi-phase separation method and piece-rate system | |
| CN207296973U (en) | A kind of parallel sea-bottom shallow gas hydrates in-situ separating device | |
| CN203515400U (en) | Treatment system for offshore oilfield oil well acidification discharge liquor | |
| CN212508161U (en) | Sand collector for well workover reverse circulation sand removal | |
| CN205823212U (en) | Transverse type vibrosieve and centrifuge drilling fluid solid-liquid separation and mud circulating system | |
| CN204252837U (en) | Filter | |
| CN109555500A (en) | A kind of circulation path crossover tool for tail pipe well segmentation well-flushing | |
| CN208212654U (en) | A kind of oil field skid-mounted type filter plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161214 Address after: 100027 Beijing city Dongcheng District Dongzhimen Street No. 6 Patentee after: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Address before: 100010 Dongcheng District, Chaoyangmen, North Street, No. 25, ocean Oil Mansion, No. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Patentee before: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Patentee before: CNOOC Energy Technology & Sevices-Supervision &Technology Co. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20210913 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |