CN113846985A - Fishing barrel for objects falling from well bottom - Google Patents
Fishing barrel for objects falling from well bottom Download PDFInfo
- Publication number
- CN113846985A CN113846985A CN202111285006.4A CN202111285006A CN113846985A CN 113846985 A CN113846985 A CN 113846985A CN 202111285006 A CN202111285006 A CN 202111285006A CN 113846985 A CN113846985 A CN 113846985A
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- CN
- China
- Prior art keywords
- wire rope
- fishing
- barrel
- steel
- steel wire
- 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
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 238000005553 drilling Methods 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 abstract description 4
- 239000000956 alloy Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B31/08—Fishing for or freeing objects in boreholes or wells using junk baskets or the like
Abstract
The invention discloses a salvaging barrel for objects falling from a well bottom, which relates to the field of well bottom salvaging and comprises a hard alloy drill, wherein a steel bar is arranged at the top end of the hard alloy drill, a steel wire rope is arranged on the inner side of the steel bar, a sleeve joint is arranged at the top end of the steel bar, a reducing drill rod is arranged at one end, away from the steel wire rope, of the sleeve joint, a supporting groove is arranged on the inner side of the hard alloy drill, a containing bin is arranged at the top end of the supporting groove, the steel bar is symmetrically distributed and supports the whole salvaging barrel, and the steel wire rope is irregularly distributed; meanwhile, when the fishing tool is used, the fishing barrel is driven by the drilling tool to be placed near the falling object, the falling object is ensured to enter the fishing barrel after the slow rotation, the falling object is fished, and the falling object enters the fishing barrel and is clamped in the supporting point to be taken out of a well hole. The influence on the drilling construction period is avoided, and meanwhile, the working efficiency is improved.
Description
Technical Field
The invention relates to the field of well bottom fishing, in particular to a fishing barrel for dropped objects in a well bottom.
Background
The large-caliber drilling hole has a large aperture and higher drilling safety risk. In the drilling process, more equipment, parts and auxiliary facilities are needed. And more tools are used in the process of adding and reducing the ruler, and the sizes are different. Drilling fluid is easy to adhere to a re-drilling platform, workers' clothes and gloves, and orifice objects are easy to fall into a hole, so that accidents in the hole are caused. And in the drilling process, the risk of dropping objects at the hole opening is easily caused if severe weather is met. Some accidents are careful, the accident rate can be reduced, and the accidents can not be eradicated.
Disclosure of Invention
In order to solve the defects mentioned in the background technology, the invention aims to provide a fishing barrel for the fallen objects at the bottom of a well, and the invention aims to provide a fishing barrel for a casing pipe and solve the problems proposed by the background technology;
the purpose of the invention can be realized by the following technical scheme:
the utility model provides a thing salvage bucket that drops in shaft bottom, includes that carbide bores, carbide bores's top is provided with the reinforcing bar, and the inboard of reinforcing bar is provided with wire rope, and the top of reinforcing bar is provided with the sleeve pipe interface, and the one end that wire rope was kept away from to the sleeve pipe interface has seted up the reducing drilling rod, and carbide bores's inboard is provided with the support groove, and the top in support groove is provided with holds the storehouse.
Furthermore, the reinforcing steel bars are symmetrically distributed to support the whole fishing barrel, and the steel wire ropes are irregularly distributed.
Further, the reinforcing rods are welded, the welding length cannot be less than five centimeters theoretically, the unwelded part is required to be close to the casing closing wall at an inclination angle of 30 degrees, the reinforcing rods are not required to be too thick, the diameter is required to be less than 1.5 centimeters, the vertical projection length of the unwelded part is required to be less than one fourth of the diameter of the casing, the fishing efficiency is prevented from being influenced by the overlong fishing barrel in the fishing process, and the distance between the reinforcing rods is required to be less than the longest end distance of a dropped object, so that the dropped object is supported to be clamped in a gap of the reinforcing rods.
Further, the steel wire rope is subjected to welding treatment, and after the welding is finished, the bending degree of the steel wire rope should be properly adjusted. And bending the end, which is not welded, of the steel wire rope towards the interior of the sleeve, so that the horizontal projections of the top ends of all the steel wire ropes are intersected or close to each other in a static state, and the welding position is about ten centimeters above the bottom end of the fishing barrel.
The invention has the beneficial effects that:
according to the invention, the fishing barrel is driven by the drilling tool to fall to the vicinity of the falling object, the falling object is ensured to enter the fishing barrel after the slow rotation, the falling object is fished, and the falling object enters the fishing barrel and is clamped in the supporting point, so that the falling object is taken out of the well hole. The influence on the drilling construction period is avoided, and meanwhile, the working efficiency is improved.
Drawings
The invention will be further described with reference to the accompanying drawings.
The attached drawing is the overall structure schematic diagram of the invention.
In the figure: 1. hard alloy drill; 2. a reinforcing bar; 3. a wire rope; 4. a cannula interface; 5. a variable diameter drill rod; 6. a support groove; 7. a holding bin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
The utility model provides a thing salvage bucket falls in shaft bottom, as shown in the figure, the top of carbide brill 1 is provided with steel bar 2, and the inboard of steel bar 2 is provided with wire rope 3, and the top of steel bar 2 is provided with sleeve pipe interface 4, and the one end that wire rope 3 was kept away from to sleeve pipe interface 4 has seted up reducing drilling rod 5, and the inboard of carbide brill 1 is provided with supporting groove 6, and the top of supporting groove 6 is provided with holds storehouse 7, salvages bucket body and salvages bucket inside welded single strand wire rope and steel bar, be equipped with irregularly distributed steel bar and single strand wire rope on the internal pipe wall of sleeve pipe.
The reinforcing bar 2 is the symmetric distribution, supports whole overshot, and wire rope 3 is irregular distribution, and the overshot inner wall is equipped with the symmetric distribution reinforcing bar and the single strand wire rope of asymmetric distribution, and the carbide that bottom arc cover pipe wall and bottom were inlayed bores tooth, the sleeve pipe joint and the drilling rod reducing at top, and wherein single strand wire rope length should exceed cover pipe radius length, and the size of thing should be fallen according to reality in the chooseing for use of wire rope, and weight is synthesized and is considered. The length of the reinforcing rods should be appropriate and not easy to be overlong, and the length should be determined according to the actual situation of falling objects and should not exceed one fourth of the diameter of the casing.
The reinforcing steel bar 2 is welded, the welding length cannot be less than five centimeters theoretically, the unwelded part is required to be close to the sleeve closing wall at an inclination angle of 30 degrees, the reinforcing steel bar is not required to be too thick, the diameter is required to be less than 1.5 centimeters, the vertical projection length of the unwelded part is required to be less than one fourth of the diameter of the sleeve, the fishing efficiency is prevented from being influenced by the overlong fishing barrel in the fishing process, and the distance between the reinforcing steel bar and the reinforcing steel bar is required to be less than the longest end distance of a dropped object, so that the dropped object is supported to be clamped into a gap of the reinforcing steel bar.
The steel wire rope 3 is subjected to welding treatment, and after the welding is finished, the bending degree of the steel wire rope should be properly adjusted. The end, which is not welded, of the steel wire rope is bent towards the interior of the sleeve, so that in a static state, horizontal projections of the top ends of all the steel wire ropes are intersected or close, the welding position is about ten centimeters above the bottom end of the fishing barrel, the welding part of the steel wire rope is perpendicular to the transverse diameter of the sleeve, the welding seam is not too long, and professional welding is carried out after the bottom is melted into a whole by heat.
In use, the first step: lowering the salvaging barrel to be close to the bottom of the hole, and confirming the position of a falling object;
the second step is that: after the pump is sent, the drilling machine is rotated at a low gear to ensure that the top end of the falling object enters the interior of the salvaging barrel;
the third step: rotating at a low gear, slightly pressing and slowly rotating, preventing secondary accidents, and slowly lifting the falling objects out of the well bottom after the falling objects integrally enter a salvaging barrel (thickness and length);
the fourth step: and (4) lifting the drill to check whether the junk is brought out of the fishing barrel, and if not, repeating the operation.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (4)
1. The utility model provides a shaft bottom thing salvage bucket that drops, includes carbide and bores (1), its characterized in that, the top that carbide bored (1) is provided with reinforcing bar (2), and the inboard of reinforcing bar (2) is provided with wire rope (3), and the top of reinforcing bar (2) is provided with sleeve pipe interface (4), and reducing drilling rod (5) have been seted up to the one end that wire rope (3) were kept away from in sleeve pipe interface (4), and the inboard that carbide bored (1) is provided with supporting groove (6), and the top of supporting groove (6) is provided with holds storehouse (7).
2. A fishing barrel for dropped substances at the bottom of a well according to claim 1, characterized in that the steel bar (2) is symmetrically distributed to support the whole fishing barrel, and the steel wire ropes (3) are irregularly distributed.
3. A fishing barrel for dropped downhole objects according to claim 1 or 2, characterized in that the steel rods (2) are welded, the welding length should not be less than five centimeters theoretically, the unwelded part should be close to the casing wall at an inclination of 30 °, the steel rods should not be too thick, the diameter should be less than 1.5 centimeters, the vertical projection length of the unwelded part should be less than one fourth of the casing diameter, so as to prevent the fishing barrel from being too long during fishing and affecting the fishing efficiency, and the distance between the steel rods should be less than the longest end distance of the dropped objects, so as to support the dropped objects to be stuck into the steel rod gaps.
4. A fishing barrel for dropped material at the bottom of a well according to claim 1 or 2, characterized in that the steel wire rope (3) is welded, and after the welding is completed, the bending degree of the steel wire rope should be properly adjusted. And bending the end, which is not welded, of the steel wire rope towards the interior of the sleeve, so that the horizontal projections of the top ends of all the steel wire ropes are intersected or close to each other in a static state, and the welding position is about ten centimeters above the bottom end of the fishing barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111285006.4A CN113846985A (en) | 2021-11-01 | 2021-11-01 | Fishing barrel for objects falling from well bottom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111285006.4A CN113846985A (en) | 2021-11-01 | 2021-11-01 | Fishing barrel for objects falling from well bottom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113846985A true CN113846985A (en) | 2021-12-28 |
Family
ID=78983576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111285006.4A Pending CN113846985A (en) | 2021-11-01 | 2021-11-01 | Fishing barrel for objects falling from well bottom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113846985A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5106140A (en) * | 1990-04-16 | 1992-04-21 | Knotts Edgar E | Oil-field wireline fishing tool |
| US20090146442A1 (en) * | 2007-04-12 | 2009-06-11 | Kelso Bruce D | Sucker rod fishing tool |
| CN203296735U (en) * | 2013-05-08 | 2013-11-20 | 中国建筑第七工程局有限公司 | Fishing tool of circulation drilling bit |
| CN103821473A (en) * | 2014-03-03 | 2014-05-28 | 中煤特殊凿井有限责任公司 | Hole bottom falling object fisher in drilling |
| CN205532431U (en) * | 2016-01-29 | 2016-08-31 | 山东省鲁南地质工程勘察院 | Small -size metal quick fishing tool of thing that drops in drilling |
| CN207161028U (en) * | 2017-07-05 | 2018-03-30 | 天津市公路工程总公司 | Drill bit fishing device with drilling rod |
| CN108930522A (en) * | 2018-08-16 | 2018-12-04 | 山西晋城无烟煤矿业集团有限责任公司 | A kind of minery CBM Drilling wire rope fishing tool and Refloatation method |
| CN209942782U (en) * | 2019-04-18 | 2020-01-14 | 中石化石油工程技术服务有限公司 | Fishing cup |
| CN111997555A (en) * | 2020-09-15 | 2020-11-27 | 中勘资源勘探科技股份有限公司 | Fishing tool for objects falling from well bottom and fishing method thereof |
-
2021
- 2021-11-01 CN CN202111285006.4A patent/CN113846985A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5106140A (en) * | 1990-04-16 | 1992-04-21 | Knotts Edgar E | Oil-field wireline fishing tool |
| US20090146442A1 (en) * | 2007-04-12 | 2009-06-11 | Kelso Bruce D | Sucker rod fishing tool |
| CN203296735U (en) * | 2013-05-08 | 2013-11-20 | 中国建筑第七工程局有限公司 | Fishing tool of circulation drilling bit |
| CN103821473A (en) * | 2014-03-03 | 2014-05-28 | 中煤特殊凿井有限责任公司 | Hole bottom falling object fisher in drilling |
| CN205532431U (en) * | 2016-01-29 | 2016-08-31 | 山东省鲁南地质工程勘察院 | Small -size metal quick fishing tool of thing that drops in drilling |
| CN207161028U (en) * | 2017-07-05 | 2018-03-30 | 天津市公路工程总公司 | Drill bit fishing device with drilling rod |
| CN108930522A (en) * | 2018-08-16 | 2018-12-04 | 山西晋城无烟煤矿业集团有限责任公司 | A kind of minery CBM Drilling wire rope fishing tool and Refloatation method |
| CN209942782U (en) * | 2019-04-18 | 2020-01-14 | 中石化石油工程技术服务有限公司 | Fishing cup |
| CN111997555A (en) * | 2020-09-15 | 2020-11-27 | 中勘资源勘探科技股份有限公司 | Fishing tool for objects falling from well bottom and fishing method thereof |
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| 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: 20211228 |