CN109915055A - A kind of grab skipping fishing rope device - Google Patents

A kind of grab skipping fishing rope device Download PDF

Info

Publication number
CN109915055A
CN109915055A CN201910324950.2A CN201910324950A CN109915055A CN 109915055 A CN109915055 A CN 109915055A CN 201910324950 A CN201910324950 A CN 201910324950A CN 109915055 A CN109915055 A CN 109915055A
Authority
CN
China
Prior art keywords
shank
skipping
grab
rope device
fishing rope
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
Application number
CN201910324950.2A
Other languages
Chinese (zh)
Inventor
王伟军
贾云林
谢国海
全登江
孙广杰
崔庆铎
谢玉宝
高洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Oilfield Services Ltd
China National Offshore Oil Corp CNOOC
Original Assignee
China Oilfield Services Ltd
China National Offshore Oil Corp CNOOC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Oilfield Services Ltd, China National Offshore Oil Corp CNOOC filed Critical China Oilfield Services Ltd
Priority to CN201910324950.2A priority Critical patent/CN109915055A/en
Publication of CN109915055A publication Critical patent/CN109915055A/en
Pending legal-status Critical Current

Links

Abstract

A kind of grab skipping fishing rope device is disclosed herein, including top connection, anti-chuck and the shank from top to bottom set gradually, the surface of the shank is equipped with the briar tooth of dialling of multiple sheets, and described group of briar tooth is vertical or is obliquely installed, and the upper surface of described group of briar tooth is acclivitous inclined-plane.Present document relates to field of oil drilling, provide a kind of grab skipping fishing rope device, can overcome the problems, such as that cable junk is easily hung up, it uses group briar tooth of sheet, has more preferable intensity, avoids being hung up, and it is bigger with shank contact area, has better bonding strength, can prevent Joint failure.

Description

A kind of grab skipping fishing rope device
Technical field
The present invention relates to field of oil drilling more particularly to a kind of grab skipping fishing rope devices.
Background technique
Currently, generalling use fishing rope device in the workover operation construction of oil gas water well and carrying out salvaging cable, steel wire, steel wire The rope class junk such as rope, more hooks in addition fish out based on rope devices.
Conventional outer hook fishing rope device is made of anti-sticking disk, solid shank and salvaging briar tooth.Wherein, briar tooth setting is salvaged On shank, anti-sticking disk is fixed on the upper end of shank.Notably, the salvaging briar tooth is spininess or cone obliquely Shape structure, and will easily be hung up by fishing cable junk during salvaging, cause the accident complication.In addition, salvaging briar tooth in shank On tensile strength it is low, it is vulnerable, salvage cable class junk efficiency it is lower.
Summary of the invention
The present invention provides a kind of grab skipping fishing rope device, can overcome the problems, such as that cable junk is easily hung up, use dialling for sheet Briar tooth has more preferable intensity, avoids being hung up, and it is bigger with shank contact area, has better bonding strength, can prevent Only Joint failure.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of grab skipping fishing rope device, including top connection, anti-chuck and the shank from top to bottom set gradually, the shank Surface is equipped with the briar tooth of dialling of multiple sheets, and described group of briar tooth is vertical or is obliquely installed, and the upper surface of described group of briar tooth is to updip Oblique inclined-plane.
A kind of possible design, multiple briar tooths of dialling are obliquely installed, and helical arrangement is in the periphery of the shank.
A kind of possible design, the shank is interior to be equipped with cavity, and the cavity is connected to the top connection, and the cavity Lower end it is open, complete to rinse during salvaging to introduce and be discharged workover fluid.
A kind of possible design, the lower end of the shank are equipped with coniform bottom plate, and the bottom plate is equipped with to open Opening.
A kind of possible design, the outer surface of the bottom plate are equipped with hard alloy layer.
A kind of possible design, the top connection are threadedly coupled with the shank, and the shank runs through the anti-chuck, institute Anti- chuck is stated the bottom of the top connection is arranged in and welds with the shank.
A kind of possible design, the hard alloy layer are the surface composition that wolfram steel paving is welded in the bottom plate.
A kind of possible design, the corresponding briar tooth of dialling is equipped with mounting groove for welding on the shank.
Beneficial effects of the present invention:
Sheet of the invention dial briar tooth, have more preferable intensity, avoid being hung up, and its with shank contact area more Greatly, there is better bonding strength, Joint failure can be prevented.
Sheet of the invention dials briar tooth, without sharp corner angle, it is avoided to damage cable junk.
Shank of the invention is hollow structure, and be connected to top connection simultaneously lower open, is buried or heap in cable junk by sand Product it is agglomerating when, can turn on pump recycle workover fluid, workover fluid by shank flow out, by pit shaft sand and other sundries rush, reality It now rinses and salvages while carrying out.
The lower end of shank of the invention is welded with wolfram steel in coniform and paving, is conducive to rinse sand and cleaning sundries, be conducive to Into in the agglomerating cable junk of accumulation.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by specification, right Specifically noted structure is achieved and obtained in claim and attached drawing.
Detailed description of the invention
Following further describes the present invention with reference to the drawings:
Fig. 1 is grab skipping fishing rope device schematic cross-section;
Fig. 2 is top connection schematic cross-section;
Fig. 3 is shank schematic cross-section;
Fig. 4 is partial enlargement diagram at the A of Fig. 1;
Fig. 5 is partial enlargement diagram at the B of Fig. 1;
Fig. 6 is another embodiment grab skipping fishing rope device schematic diagram.
Appended drawing reference: 1- top connection, the anti-chuck of 2-, 3- shank, 4- dial briar tooth, 5- cavity, 6- bottom plate, 7- and are open, in 8- Screw thread, 9- mounting groove, the inclined-plane 10-, the first vertical plane of 11-, 12- hard alloy layer, 13- external screw thread.
Specific embodiment
To keep present invention purpose, technical scheme and beneficial effects more clear, with reference to the accompanying drawing to this The embodiment of application is illustrated, it should be noted that in the absence of conflict, in the embodiment and embodiment in the application Feature can mutual any combination.
For the related defect for fishing out rope device, the embodiment of the present disclosure provides a kind of grab skipping fishing rope device, this grab skipping fishing rope Device has more preferable intensity, and it has better bonding strength with shank, can avoid Joint failure.
The grab skipping fishing rope device of the disclosure is illustrated below with reference to embodiment.
Please refer to the grab skipping fishing rope device of Fig. 1 to the present embodiment shown in fig. 5, as shown in Figures 1 to 5, grab skipping fishing Rope device includes the top connection 1 from top to bottom set gradually, anti-chuck 2 and shank 3, and particularly, the surface of the shank 3 is equipped with multiple Sheet dials briar tooth 4, this group of briar tooth 4 is vertically arranged, and the upper surface for dialling briar tooth 4 is acclivitous inclined-plane 10.Sheet as a result, Dial briar tooth relative to existing spininess structure, there is more preferable intensity, can avoid being hung up, and its with shank 3 in junction Contact area it is also bigger, there is better bonding strength, can avoid Joint failure.In addition, sheet dials briar tooth but spine Sharp corner angle, can avoid its damage cable junk.
As shown in Figure 3 and Figure 5, it is protruding by 3 surface of shank to dial briar tooth 4, at work, grab skipping fishing rope device is upper It is transferred while being rotated around own axes under the action of the power source of end, cable class junk can move relatively upward, be wound in and dial On briar tooth 4 and shank 3, finally it is completely wound around on it, then can above mentions drilling tool, realize the purpose of salvaging.Wherein, inclined-plane 10 Cable class junk after winding can be propped up, avoids falling off.Specifically, this group of briar tooth 4 is welded on the outer surface of shank 3, dials briar tooth 4 With longer first vertical plane 11 of length in the vertical direction, as the contact surface with shank 3.And weld for convenience, it should The periphery of shank 3 corresponds to above-mentioned group of briar tooth 4 equipped with mounting groove 9, and mounting groove 9 is also vertically arranged and is evenly arranged.In addition, such as Fig. 2 With shown in Fig. 3, in order to connect top connection 1 and shank 3, internal screw thread 8 is equipped in the top connection 1, and outside one end of shank 3 is equipped with Screw thread 13, so that the two can be threaded connection with.Meanwhile shank 3 runs through anti-chuck 2, and anti-chuck 2 is set to 1 bottom of top connection and weldering It connects on shank 3, anti-chuck 2 can prevent junk from going upward to tool joint position and cause bit freezing.
It is shown as shown in Figure 1, Figure 3 and Figure 4 relative to existing solid shank, cavity 5, shape are equipped in the shank 3 of the present embodiment At hollow tubular, wherein the top of cavity 5 is connected to top connection 1, can draw the liquid in the tubing string of top, and the lower end of cavity 5 down It equipped with opening 7, is formed and is opened, so that shank 3 can be introduced workover fluid by top connection 1 and workover fluid is discharged by lower end, form circulation, By in pit shaft sand and other sundries rush, realize while salvage while rinse.In addition, it is agglomerating to enter accumulation for the ease of shank 3 Cable junk in, the lower end of the shank 3 is equipped with coniform bottom plate 6, and above-mentioned opening 7 is provided with the bottom of bottom 6.Meanwhile The outer surface of the bottom plate 6 is equipped with hard alloy layer 12, and hard alloy layer 12 is designed as wolfram steel paving and is welded in 6 surface structure of bottom plate At.
Above-mentioned grab skipping fishing rope device is easy to operate known to as a result, and each component is detachable, and maintenance is simple, service life Also relatively long.And through primary Calculation, offshore oilfield well workover, which is averaged, day takes for 100,000/day, such as salvage cable class construction occur because Cable, which is hung up, causes complex accident, and post processing cycle and workover cost at least increase by 5 days or more;Meanwhile offshore oilfield is because each Cable caused by kind reason and electric pump unit fall well accident and often occur, and handle 10 wells time or more by annual, then above-mentioned grab skipping It is 5,000,000 yuan that fishing rope device, which can save workover cost, it is seen that workover cost can be greatly reduced in its use.
In another embodiment, as shown in fig. 6, multiple groups of briar tooths 4 are inclined on shank 3, and helical arrangement is in hook The periphery of bar 3.In addition, the helix that this group of briar tooth 4 surrounds fishes out direction of rotation when restricting device work with grab skipping on the contrary, to restrict Cable junk can be wound from bottom to top, avoid the case where can not effectively winding.
Again in another embodiment, above-mentioned shank can be the body of rod with hydrophthalmia, same to can be achieved instead of hollow tubular structures It is rinsed when salvaging.
In conjunction with above-described embodiment, sheet of the invention dial briar tooth, have more preferable intensity, avoid being hung up, and its with Shank contact area is bigger, has better bonding strength, can prevent Joint failure.Sheet of the invention dials briar tooth, nothing Sharp corner angle avoid it from damaging cable junk.Shank of the invention is hollow structure, and simultaneously lower open is connected to top connection, When cable junk is buried by sand or accumulates agglomerating, can turn on pump recycle workover fluid, workover fluid by shank outflow, by the sand in pit shaft Son and other sundries rush, and realize and rinse and salvage while carrying out.The lower end of shank of the invention is welded with tungsten in coniform and paving Steel is conducive to rinse sand and cleaning sundries, is conducive to enter and accumulate in agglomerating cable junk.
In the description of the present application, term " installation ", " connected ", " connection ", " fixation " etc. be shall be understood in a broad sense, example Such as, " connection " may be fixed connection or may be dismantle connection, or integral connection;It can be directly connected, it can also be with Indirectly connected through an intermediary.For the ordinary skill in the art, above-mentioned art can be understood as the case may be The concrete meaning of language in this application.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the application It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with Suitable mode combines.
Although those skilled in the art should be understood that embodiment disclosed by the embodiment of the present invention is as above, described The content only embodiment of the present invention and the embodiment that uses for ease of understanding, be not intended to limit the invention embodiment.It is any Technical staff in fields of the embodiment of the present invention, in the premise for not departing from spirit and scope disclosed by the embodiment of the present invention Under, any modification and variation, but the scope of patent protection of the embodiment of the present invention can be carried out in the form and details of implementation, Still it should be subject to the scope of the claims as defined in the appended claims.

Claims (8)

1. a kind of grab skipping fishing rope device, including top connection, anti-chuck and the shank from top to bottom set gradually, which is characterized in that The surface of the shank is equipped with the briar tooth of dialling of multiple sheets, and described group of briar tooth is vertical or is obliquely installed, the upper end of described group of briar tooth Face is acclivitous inclined-plane.
2. grab skipping fishing rope device according to claim 1, which is characterized in that multiple briar tooths of dialling are obliquely installed, and spiral shell Rotation is arranged in the periphery of the shank.
3. grab skipping fishing rope device according to claim 2, which is characterized in that be equipped with cavity, the cavity in the shank It is connected to the top connection, and the lower end of the cavity is open, completes during salvaging introduce and workover fluid is discharged It rinses.
4. grab skipping fishing rope device according to claim 3, which is characterized in that the lower end of the shank is equipped with coniform bottom Plate, the bottom plate are equipped with to open opening.
5. grab skipping fishing rope device according to claim 4, which is characterized in that the outer surface of the bottom plate is equipped with hard conjunction Layer gold.
6. grab skipping fishing rope device according to claim 1, which is characterized in that the top connection and the shank screw thread connect It connects, the shank runs through the anti-chuck, and the anti-chuck is arranged in the bottom of the top connection and welds with the shank.
7. grab skipping fishing rope device according to claim 5, which is characterized in that the hard alloy layer is welded in institute for wolfram steel paving The surface for stating bottom plate is constituted.
8. grab skipping fishing rope device according to claim 4, which is characterized in that the corresponding briar tooth of dialling is equipped on the shank Mounting groove for welding.
CN201910324950.2A 2019-04-22 2019-04-22 A kind of grab skipping fishing rope device Pending CN109915055A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910324950.2A CN109915055A (en) 2019-04-22 2019-04-22 A kind of grab skipping fishing rope device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910324950.2A CN109915055A (en) 2019-04-22 2019-04-22 A kind of grab skipping fishing rope device

Publications (1)

Publication Number Publication Date
CN109915055A true CN109915055A (en) 2019-06-21

Family

ID=66978162

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910324950.2A Pending CN109915055A (en) 2019-04-22 2019-04-22 A kind of grab skipping fishing rope device

Country Status (1)

Country Link
CN (1) CN109915055A (en)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2641272Y (en) * 2003-08-05 2004-09-15 辽河石油勘探局曙光工程技术处 Open hole rope-like faller special fisher
US20080223584A1 (en) * 2007-03-15 2008-09-18 Baker Hughes Incorporated Downhole retrieving tool and method
CN201318141Y (en) * 2008-06-25 2009-09-30 吐哈石油勘探开发指挥部 Fishing tool specially used for damaged special cables
CN202300271U (en) * 2011-09-30 2012-07-04 南通新诚电子有限公司 Downhole catching fisher
CN202810746U (en) * 2012-07-27 2013-03-20 中国石油集团长城钻探工程有限公司 Spring-clip fishing tool special for coring tool
CN202866718U (en) * 2012-08-10 2013-04-10 刘和强 Hollow outer hook special for salvaging cables buried by sand in serious sand flow electric pump wells
CN204113176U (en) * 2014-09-28 2015-01-21 中国石油天然气股份有限公司 Coal bed gas well fishing tool
CN204283293U (en) * 2014-11-25 2015-04-22 中国石油天然气股份有限公司 Rope fishing device
CN204532204U (en) * 2015-04-02 2015-08-05 延长油田股份有限公司西区采油厂 A kind of moveable platen hangnail drags for lance
CN205876252U (en) * 2016-07-21 2017-01-11 中法渤海地质服务有限公司 Drag for lance in steel wire length type
CN207332802U (en) * 2017-08-24 2018-05-08 中国石油天然气股份有限公司 fishing device for oil well
CN209780821U (en) * 2019-04-22 2019-12-13 中国海洋石油集团有限公司 rope fishing device with hook teeth

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2641272Y (en) * 2003-08-05 2004-09-15 辽河石油勘探局曙光工程技术处 Open hole rope-like faller special fisher
US20080223584A1 (en) * 2007-03-15 2008-09-18 Baker Hughes Incorporated Downhole retrieving tool and method
CN201318141Y (en) * 2008-06-25 2009-09-30 吐哈石油勘探开发指挥部 Fishing tool specially used for damaged special cables
CN202300271U (en) * 2011-09-30 2012-07-04 南通新诚电子有限公司 Downhole catching fisher
CN202810746U (en) * 2012-07-27 2013-03-20 中国石油集团长城钻探工程有限公司 Spring-clip fishing tool special for coring tool
CN202866718U (en) * 2012-08-10 2013-04-10 刘和强 Hollow outer hook special for salvaging cables buried by sand in serious sand flow electric pump wells
CN204113176U (en) * 2014-09-28 2015-01-21 中国石油天然气股份有限公司 Coal bed gas well fishing tool
CN204283293U (en) * 2014-11-25 2015-04-22 中国石油天然气股份有限公司 Rope fishing device
CN204532204U (en) * 2015-04-02 2015-08-05 延长油田股份有限公司西区采油厂 A kind of moveable platen hangnail drags for lance
CN205876252U (en) * 2016-07-21 2017-01-11 中法渤海地质服务有限公司 Drag for lance in steel wire length type
CN207332802U (en) * 2017-08-24 2018-05-08 中国石油天然气股份有限公司 fishing device for oil well
CN209780821U (en) * 2019-04-22 2019-12-13 中国海洋石油集团有限公司 rope fishing device with hook teeth

Similar Documents

Publication Publication Date Title
CN205206779U (en) Fracture drilling rod fishing device
CN209780821U (en) rope fishing device with hook teeth
CN109915055A (en) A kind of grab skipping fishing rope device
CN205063883U (en) Oil field borehole operation is with a multi -functional salvage section of thick bamboo
CN204804736U (en) Packer fishing tool
CN105155680A (en) Self-opening blind eye bolt anchor device
CN204457554U (en) Outer hook
CN203769700U (en) Dragging and milling canister
CN209483266U (en) Piano wire fishing device in a kind of casing
CN210768681U (en) Casing fishing tool
CN210564473U (en) Monitoring well bottom dredging device
CN207513575U (en) Pumping rod fishing device
CN205638331U (en) Blowout prevention well device
CN214787284U (en) Spiral outer hook is fishing tool in pit
CN202832337U (en) Side-open type sucker rod overshot
CN205100924U (en) Cover mills salvages a section of thick bamboo
CN105257233A (en) Hydraulic anti-drop cable fishing tool
CN2934551Y (en) Suspension type falling-proof supporting device
CN206409212U (en) Multistage chain of rings Cut Block blocking device
CN220248043U (en) Eccentric large water hole slide block fishing spear
CN208168834U (en) One kind repairing the integrated fishing spear of fishing
CN221503235U (en) Luoyang shovel type in-situ-immersed well cable fisher
CN207245661U (en) A kind of underground work fishing cup
CN215441963U (en) Slope stock reinforced structure
CN217556922U (en) Auxiliary tool for cleaning sediments of bored pile in soft geology

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190621