CN203879436U - Claw for fishing fine crushing articles in oil and gas well pipe - Google Patents
Claw for fishing fine crushing articles in oil and gas well pipe Download PDFInfo
- Publication number
- CN203879436U CN203879436U CN201420295248.0U CN201420295248U CN203879436U CN 203879436 U CN203879436 U CN 203879436U CN 201420295248 U CN201420295248 U CN 201420295248U CN 203879436 U CN203879436 U CN 203879436U
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- fishing
- claw
- dipper
- barrel
- oil
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Abstract
The utility model discloses a claw for fishing fine crushing articles in an oil and gas well pipe. The claw comprises a fishing barrel, a quick coupling and fishing claw bodies, wherein the quick coupling is fixedly connected with the top of the fishing barrel, and the fishing claw bodies are fixedly arranged on the inner side of the fishing barrel. The fishing barrel is provided with a plurality of straight joints extending in the axial direction to the bottom end, the fishing barrel is divided into a plurality of sections through the straight joints, the heights of the bottom ends of the sections are not consistent, and the bottom ends of the sections are in a sharp or conical shape. The fishing barrel is convenient to finely machine and high in operating efficiency, and the three parts are fixed together through welding or other modes. The fishing barrel is a sectional cylindrical hollow barrel body, and the lower portion of the barrel body is of a conical structure. The fishing claw bodies are evenly distributed on the inner surface of the fishing barrel through welding. The claw is rapidly placed into the article falling position to entangle the falling articles under a well, the falling articles are pierced by the fishing claw bodies, and the falling articles can be fished through lifting. If the size does not meet the operation requirement, machining and designing can be carried out according to situations on the working site, and the claw is convenient to use, simple and high in operability.
Description
Technical field
The utility model relates to a kind of bailer grab, relates in particular to chip bailer grab in pipe for a kind of Oil/gas Well.
Background technology
Know and know in the industry, in current brill completion and test jobs, conventional Fishing Tools can be salvaged the interior rope form trouble of lost tool in hole of pipe as steel wire, the rope made of hemp etc., if fall into shape irregularly shaped object in small, broken bits in pipe as cable, rubber, cable splicers bandage, cloth sheet, oil suction felt etc., when salvaging this class trouble of lost tool in hole, because the bottom of existing fishing tool is more blunt, while transferring salvaging by steel wire operation, cannot catch the irregular junk of shape in small, broken bits, can only promote junk walks downward, and also there is same problem in a few fishing anchors that drag on pawl, is difficult to salvage this type of junk.Use conventional Fishing Tools, during execute-in-place, often when transferring to soon junk position, transfer fast and drag for anchor and tangle junk, above carry and salvage junk.Owing to dragging for anchor, cannot tangle the irregular junk of shape in small, broken bits, make operating efficiency extremely low, the activity duration is long, even causes down-hole situation more complicated.
Therefore, be necessary to study a kind of new fishing tool, solve the salvaging problem of shape junk in small, broken bits.
Summary of the invention
For the deficiencies in the prior art, the technical problems to be solved in the utility model is to provide a kind of chip bailer grab in pipe for Oil/gas Well of salvaging irregular junk.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: chip bailer grab in pipe for a kind of Oil/gas Well, described bailer grab comprises dipper, the snap joint being fixedly connected with described dipper top, is fixedly installed on the pawl that drags for of described dipper inner side, described dipper offers many vertical masonry joints that extend to vertically bottom, described vertical masonry joint is distinguished into a plurality of lobes by dipper, each lobe bottom height is inconsistent, and the bottom of each lobe is pointed or taper.
A kind of improvement as the utility model Oil/gas Well by the technical scheme of chip bailer grab in pipe, the axial angle of the pointed or taper position of the bottom of described lobe and dipper is 10 ° ~ 30 °.
A kind of improvement of technical scheme as the utility model Oil/gas Well with chip bailer grab in pipe, described in drag for pawl and be obliquely installed, it is microscler dragging for pawl, the length direction and the axial angle of dipper that drag for pawl are 10 ° ~ 30 °.
A kind of improvement of technical scheme as the utility model Oil/gas Well with chip bailer grab in pipe, described in to drag for claw shape be concentric reducer form, it is head-up little.
A kind of improvement of technical scheme as the utility model Oil/gas Well with chip bailer grab in pipe, the adjacent microcephaly's incline direction that drags for pawl is relative.
The beneficial effects of the utility model are: this bailer grab fine finishining is convenient, operating efficiency is high, and three parts are the integral body being fixed together by welding or other modes.Wherein, described snap joint is steel wire operation tool connector, can realize the connection of different instruments.Described dipper is distinguish cylinder type hollow cylindrical shell, and cylindrical shell bottom is pyramidal structure; Drag for pawl and be evenly distributed on dipper inner surface by welding.By steel wire, transfer to rapidly junk position and be inserted in trouble of lost tool in hole, drag for pawl simultaneously and thrust junk, above carry and can salvage junk.
Drag between pin (each lobe of dipper) and form the tubing string internal diameter that maximum outside diameter is less than salvaged junk.If size does not meet the requirement of operation, operation field can according to circumstances carry out fabrication design, convenient and simple, strong operability.
Accompanying drawing explanation
Fig. 1 is the structural representation of chip bailer grab embodiment in pipe for the utility model Oil/gas Well.
Fig. 2 is the side direction structural representation of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, further illustrate the specific embodiment of the present utility model.
As shown in Figure 1 and Figure 2, chip bailer grab in pipe for a kind of Oil/gas Well of the utility model, described bailer grab comprises dipper 15, the snap joint 11 being fixedly connected with described dipper top, be fixedly installed on dipper 15 inner sides drag for pawl 18, described dipper 15 offers many vertical masonry joints that extend to vertically bottom, described vertical masonry joint is distinguished into a plurality of lobes 16 by dipper, each lobe bottom height is inconsistent, and the bottom of each lobe 16 is pointed or taper.This bailer grab fine finishining is convenient, operating efficiency is high, and three parts are the integral body being fixed together by welding or other modes.Wherein, described snap joint 11 is steel wire operation tool connector, can realize the connection of different instruments.Connect this bailer grab and only need link on fast and connect by top sub and steel wire operation tool string, time saving and energy saving, strong operability.Described dipper 15 is distinguish cylinder type hollow cylindrical shells, and cylindrical shell bottom is pyramidal structure; Drag for pawl 18 and be evenly distributed on dipper inner surface by welding.By steel wire, transfer to rapidly junk position and be inserted in trouble of lost tool in hole, drag for pawl simultaneously and thrust junk, above carry and can salvage junk.
Drag between pin (each lobe of dipper) and form the tubing string internal diameter that maximum outside diameter is less than salvaged junk.If size does not meet the requirement of operation, operation field can according to circumstances carry out fabrication design, convenient and simple, strong operability.
By steel wire operation, can transfer to fast junk position and realize salvaging, one-time success rate is high, improves operation timeliness, cost saving.
More preferably, the axial angle of the pointed or taper position of the bottom of described lobe and dipper is 10 ° ~ 30 ° and is convenient to thrust junk, makes dipper 15 and drags for pawl 18 more parts and block or embrace junk, avoids carrying in process coming off.
More preferably, described in drag for pawl 18 and be obliquely installed, drag for pawl 18 for microscler, the length direction and the axial angle of dipper that drag for pawl are 10 ° ~ 30 °, drag for like this pawl 18 and both can block smoothly junk, also have support effect and avoid entangled junk again to come off after blocking.
More preferably, described in drag for pawl 18 and be shaped as concentric reducer form, it is head-up little, dipper 15 entangles after junk, drags for pawl 18 and can tightly bite junk with microcephaly, and better kick is provided its large first watch.Wherein, the adjacent microcephaly's incline direction that drags for pawl 18 is relative, and one is dragged for pawl 18 and is tilted to the left, and adjacent 18 of the pawls that drag for are tilted to the right, thereby block junk more firmly, prevent entangled junk single direction rotation landing.
Above disclosed is only preferred embodiment of the present utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim, still belongs to the scope that the utility model is contained.
Claims (5)
1. an Oil/gas Well is with managing interior chip bailer grab, it is characterized in that: described bailer grab comprises dipper, the snap joint being fixedly connected with described dipper top, is fixedly installed on the pawl that drags for of described dipper inner side, described dipper offers many vertical masonry joints that extend to vertically bottom, described vertical masonry joint is distinguished into a plurality of lobes by dipper, each lobe bottom height is inconsistent, and the bottom of each lobe is pointed or taper.
2. chip bailer grab in pipe for Oil/gas Well according to claim 1, is characterized in that: the axial angle of the pointed or taper position of the bottom of described lobe and dipper is 10 ° ~ 30 °.
3. chip bailer grab in pipe for Oil/gas Well according to claim 1, is characterized in that: described in drag for pawl and be obliquely installed, it is microscler dragging for pawl, the length direction and the axial angle of dipper that drag for pawl are 10 ° ~ 30 °.
4. chip bailer grab in pipe for Oil/gas Well according to claim 3, is characterized in that: described in to drag for claw shape be concentric reducer form, it is head-up little.
5. according to chip bailer grab in pipe for Oil/gas Well described in claim 3 or 4, it is characterized in that: the adjacent microcephaly's incline direction that drags for pawl is relative.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295248.0U CN203879436U (en) | 2014-06-04 | 2014-06-04 | Claw for fishing fine crushing articles in oil and gas well pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295248.0U CN203879436U (en) | 2014-06-04 | 2014-06-04 | Claw for fishing fine crushing articles in oil and gas well pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203879436U true CN203879436U (en) | 2014-10-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420295248.0U Expired - Fee Related CN203879436U (en) | 2014-06-04 | 2014-06-04 | Claw for fishing fine crushing articles in oil and gas well pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203879436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018798A (en) * | 2014-06-04 | 2014-09-03 | 中国海洋石油总公司 | Pipe interior chip fishing claw for oil-gas well |
-
2014
- 2014-06-04 CN CN201420295248.0U patent/CN203879436U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018798A (en) * | 2014-06-04 | 2014-09-03 | 中国海洋石油总公司 | Pipe interior chip fishing claw for oil-gas well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNOOC (China) Limited Zhanjiang Branch Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 China oil tower, 25 Chaoyangmen North Street, Dongcheng District, Beijing Co-patentee before: CNOOC (China) Limited Zhanjiang Branch Patentee before: China National Offshore Oil Corporation |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20210604 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |