CN102953910A - Hydraulic propeller for fishing spear - Google Patents
Hydraulic propeller for fishing spear Download PDFInfo
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- CN102953910A CN102953910A CN201210459827XA CN201210459827A CN102953910A CN 102953910 A CN102953910 A CN 102953910A CN 201210459827X A CN201210459827X A CN 201210459827XA CN 201210459827 A CN201210459827 A CN 201210459827A CN 102953910 A CN102953910 A CN 102953910A
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Abstract
The invention relates to the technical field of a fishing spear propelling device, in particular to a hydraulic propeller for a fishing spear. The hydraulic propeller for the fishing spear comprises an upper main body and a lower main body, wherein the lower end of the upper main body is fixedly provided with the lower main body; the inside of the lower part of the upper main body and the inside of the upper part of the lower main body are respectively provided with a mutually-corresponding liquid passing groove, and a liquid passing cavity is formed; and the upper main body is provided with a liquid inlet communicated with the liquid passing cavity. The hydraulic propeller for the fishing spear has the advantages of restorable and compact structure and convenience in use. The hydraulic propeller is installed on the upper part of the fishing spear, and liquid is injected into the liquid inlet and is sprayed out from a liquid spraying through hole after passing through the liquid passing cavity. When the liquid is injected out, the hydraulic propeller has downward thrust, and the fishing spear can be driven to quickly and smoothly reach a fishing point. The hydraulic propeller for the fishing spear can be used under the well situation such as high fluid viscosity and big negative pressure difference in a shaft, and the applicability is strong. A steel wire rope is adopted to convey, so that less auxiliary equipment is used, and therefore the hydraulic propeller for the fishing spear has the advantages of low labor intensity, high fishing efficiency and strong practicality.
Description
Technical field
The present invention relates to drag for lance advancing means technical field, is a kind of lance hydraulic propeller that drags for.
Background technique
In the petroleum industry Oil-Gas Well Engineering, often run into the operation of salvaging downhole tool with dragging for lance; Be about to spear and be delivered to the down-hole, the instrument that falls into the down-hole is salvaged the operation of well; When carrying spear, generally adopt wire rope conveying or drilling rod, oil pipe and oil pick-up tube to carry the mode of spear; Carry spear by wire rope, drag for lance and under its Gravitative Loads, come downwards to the precalculated position; As run into when salvaging object in the large and directional well of the higher or Operating Pressure Negative Pressure Difference of pit shaft inner fluid viscosity, the horizontal well, spear can't arrive under Gravitative Loads smoothly is scheduled to the salvaging point, and the purpose that can't realize salvaging downhole tool is poor for applicability; And carry spear by drilling rod, oil pipe and oil pick-up tube, and employ equipment amount large, long in time limit, cost is high; The operation of salvaging after elder generation's kill-job is to oil reservoir secondary injury, poor practicability.
Summary of the invention
The invention provides a kind of lance hydraulic propeller that drags for, overcome the deficiency of above-mentioned prior art, it can effectively solve when adopting wire rope to carry spear, and pit shaft inner fluid viscosity is higher or Negative Pressure Difference is larger in the situation that run into, and can't realize salvaging, and is poor for applicability; And when adopting drilling rod, oil pipe and oil pick-up tube to carry spear, employ equipment amount large, long in time limit, cost is high, the problem of poor practicability.
Technological scheme of the present invention realizes by following measures: a kind of lance hydraulic propeller that drags for comprises upper body and lower body; Be installed with lower body in the lower end of upper body, crossing the liquid groove and forming the liquid air chamber of mutual correspondence arranged respectively in the bottom of upper body and in the top of lower body; The inlet opening that communicates with mistake liquid air chamber is arranged at upper body; On lower body circle distribution have at least three with the hydrojet through holes of crossing bottom, liquid air chamber and communicating, it is high outside and low outside skewed that the hydrojet through hole is.
The below is the further optimization and/or improvements to the foregoing invention technological scheme:
Above-mentioned upper body can comprise upper cap and reducing sleeve; The outside of reducing sleeve is inverted cone wide at the top and narrow at the bottom; The outside thread convex platform that annular is arranged in the upper end of reducing sleeve is installed with upper cap in reducing sleeve upper end by screw thread; On the top of lower body the excessively liquid groove corresponding with the reducing sleeve inner arranged, the inside of crossing liquid groove and reducing sleeve formed the liquid air chamber; The inlet opening that communicates with mistake liquid air chamber is arranged in upper cap.
It is wide at the top and narrow at the bottom stepped that the inside of above-mentioned reducing sleeve can be.
The upper center of above-mentioned upper cap can have the groove that is threaded of annular, is installed with hanger by screw thread in the groove that is threaded, and on the top of hanger connecting through hole is arranged; Upper cap in the hanger outside has the inlet opening that communicates with mistake liquid air chamber.
The bottom of above-mentioned lower body can be useful on the internal thread that is connected with spear groove is installed.
The above-mentioned bottom of crossing the liquid air chamber can be concave arc shape.
Can there be the outside thread lower convex platform of annular the lower end of above-mentioned reducing sleeve, and there is connecting groove the upper end of the lower body corresponding with the outside thread lower convex platform, and the outside thread lower convex platform is fixedly mounted in the connecting groove by screw thread.
Reasonable and compact in structure of the present invention, easy to use; The present invention is installed in spear top, and by filling liquid in inlet opening, liquid sprays from the hydrojet through hole through the liquid air chamber; During the liquid ejection, make the present invention that downward thrust be arranged, and the drive spear can quick, smooth and easyly reach the salvaging point; Can be in pit shaft inner fluid viscosity the hole conditions such as higher or Negative Pressure Difference is larger use, applicability is strong; The employing wire rope is carried, and supplementary equipment is few, at the bottom of the labor intensity, to salvage efficient high, practical.
Description of drawings
Accompanying drawing 1 is looked the broken section structural representation for the master of most preferred embodiment of the present invention.
Coding in the accompanying drawing is respectively: 1 is lower body, and 2 was the liquid air chamber, and 3 is inlet opening, and 4 is the hydrojet through hole, and 5 is the reducing sleeve, and 6 is the outside thread convex platform, and 7 is upper cap, and 8 is hanger, and 9 is connecting through hole, and 10 are internal thread installation groove, and 11 is the outside thread lower convex platform.
Embodiment
The present invention is not subjected to following embodiment's restriction, can determine concrete mode of execution according to technological scheme of the present invention and actual conditions.
In the present invention, for convenience of description, the description of the relative position relation of each parts all is that the Butut mode according to Figure of description 1 is described, as: the position relationship of upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description 1.
The invention will be further described below in conjunction with embodiment and accompanying drawing:
As shown in Figure 1, this drags for the lance hydraulic propeller and comprises upper body and lower body 1; Be installed with lower body 1 in the lower end of upper body, crossing the liquid groove and forming liquid air chamber 2 of mutual correspondence arranged respectively in the bottom of upper body and in the top of lower body 1; The inlet opening 3 that communicates with mistake liquid air chamber 2 is arranged at upper body; On lower body 1 circle distribution have at least three with the hydrojet through holes 4 of crossing 2 bottoms, liquid air chamber and communicating, it is high outside and low outside skewed that hydrojet through hole 4 is.At first spear is installed in lower body 1 bottom, again with the present invention by under the wire rope lower going-into-well, by to inlet opening 3 filling liquids, liquid through liquid air chamber 2 from 4 ejections of hydrojet through hole; Because it is high outside and low outside skewed that hydrojet through hole 4 is, after the liquid ejection, it is descending that the present invention is subject to reaction force acts, promotes spear and arrive fast, swimmingly the predetermined point of salvaging; Can be convenient to higher in pit shaft inner fluid viscosity or hole condition that Negative Pressure Difference is larger under use, applicability is strong; Adopt simultaneously supplementary equipment few, at the bottom of the labor intensity, to salvage efficient high, practical.
Can according to actual needs, the above-mentioned lance hydraulic propeller that drags for be made further optimization and/or improvements:
As shown in Figure 1, upper body comprises upper cap 7 and reducing sleeve 5; The outside of reducing sleeve 5 is inverted cone wide at the top and narrow at the bottom; The outside thread convex platform 6 of annular is arranged in the upper end of reducing sleeve 5, be installed with upper cap 7 in reducing sleeve 5 upper ends by screw thread; On the top of lower body 1 the excessively liquid groove corresponding with reducing sleeve 5 inside arranged, the inside of crossing liquid groove and reducing sleeve 5 formed liquid air chamber 2; The inlet opening 3 that communicates with mistake liquid air chamber 2 is arranged in upper cap 7.Like this upper body is divided into upper cap 7 and reducing sleeve 5 and carries out disassembly, cleaning after can be easy to use, make cleaning process more convenient, easily processing; The reducing sleeve 5 that is simultaneously taper wide at the top and narrow at the bottom when G.I.H, can be difficult for being obstructed by the less position of external diameter excessively to the larger position of external diameter, makes under the lower going-into-well of the present invention process more unobstructed.
As shown in Figure 1, the inside of reducing sleeve 5 is wide at the top and narrow at the bottom stepped.Liquid entered liquid air chamber 2 by inlet opening 3 and impacted the halfpace of reducing sleeve 5 inside, thereby increased the downward impact force of the present invention.
As shown in Figure 1, the groove that is threaded of annular is arranged in the upper center of upper cap 7, in the groove that is threaded, be installed with hanger 8 by screw thread, on the top of hanger 8 connecting through hole 9 is arranged; Upper cap 7 in hanger 8 outsides has the inlet opening 3 that communicates with mistake liquid air chamber 2.Can be connected with wire rope by the connecting through hole 9 on the hanger 8, be convenient to the dismounting of the present invention and wire rope; Easy to use.
As shown in Figure 1, be useful on the internal thread that is connected with spear in the bottom of lower body 1 groove 10 is installed.Spear can be installed in internal thread by screw thread and install in the groove 10, is convenient to the present invention and spear dismounting.
As shown in Figure 1, the bottom in liquid air chamber 2 is concave arc shape excessively.Excessively 2 bottoms, liquid air chamber of concave arc shape can reduce liquid resistance, and the impulse force when making liquid from 4 ejection of hydrojet through hole is larger, increases the downward thrust of the present invention.
As shown in Figure 1, the outside thread lower convex platform 11 of annular is arranged in the lower end of reducing sleeve 5, there is connecting groove the upper end of the lower body 1 corresponding with outside thread lower convex platform 11, and outside thread lower convex platform 11 is fixedly mounted in the connecting groove by screw thread.Make reducing sleeve 5 and lower body 1 easy accessibility.
Above technical characteristics has consisted of most preferred embodiment of the present invention, and it has stronger adaptability and best implementation result, can increase and decrease according to actual needs non-essential technical characteristics, satisfies the demand of different situations.
The using process of most preferred embodiment of the present invention: at first spear is installed on the lower body 1 by screw thread; And the connecting through hole on hanger 89 winds wire rope; The pipeloop interface of surface flow systemic circulatory system is received on the inlet opening 3, propelling force is tested and adjusted in ground after connecting again; And then spear and integral body of the present invention sent into precalculated position in the well under the traction of wire rope He under the driving of the present invention; Spear is closed the surface flow systemic circulatory system with after object successfully docks, and haulage cable and propulsion device pipeloop furl synchronously, finish fishing.
Claims (10)
1. one kind is dragged for the lance hydraulic propeller, it is characterized in that comprising upper body and lower body; Be installed with lower body in the lower end of upper body, crossing the liquid groove and forming the liquid air chamber of mutual correspondence arranged respectively in the bottom of upper body and in the top of lower body; The inlet opening that communicates with mistake liquid air chamber is arranged at upper body; On lower body circle distribution have at least three with the hydrojet through holes of crossing bottom, liquid air chamber and communicating, it is high outside and low outside skewed that the hydrojet through hole is.
2. the lance hydraulic propeller that drags for according to claim 1 is characterized in that upper body comprises upper cap and reducing sleeve; The outside of reducing sleeve is inverted cone wide at the top and narrow at the bottom; The outside thread convex platform that annular is arranged in the upper end of reducing sleeve is installed with upper cap in reducing sleeve upper end by screw thread; On the top of lower body the excessively liquid groove corresponding with the reducing sleeve inner arranged, the inside of crossing liquid groove and reducing sleeve formed the liquid air chamber; The inlet opening that communicates with mistake liquid air chamber is arranged in upper cap.
3. it is wide at the top and narrow at the bottom stepped that the lance hydraulic propeller that drags for according to claim 2, the inside that it is characterized in that the reducing sleeve are.
4. according to claim 2 or the 3 described lance hydraulic propellers that drag for, the upper center that it is characterized in that upper cap has the groove that is threaded of annular, is installed with hanger by screw thread in the groove that is threaded, and on the top of hanger connecting through hole is arranged; Upper cap in the hanger outside has the inlet opening that communicates with mistake liquid air chamber.
5. the bottom that according to claim 1 and 2 or the 3 described lance hydraulic propellers that drag for, it is characterized in that lower body is useful on the internal thread that is connected with spear groove is installed.
6. the lance hydraulic propeller that drags for according to claim 4 is characterized in that the bottom of lower body is useful on the internal thread installation groove that is connected with spear.
7. according to claim 1 and 2 or the 3 described lance hydraulic propellers that drag for, it is characterized in that the bottom in liquid air chamber was concave arc shape.
8. the lance hydraulic propeller that drags for according to claim 6 is characterized in that the bottom in liquid air chamber was concave arc shape.
9. according to claim 2 or the 3 described lance hydraulic propellers that drag for, there is annular outside thread lower convex platform the lower end that it is characterized in that the reducing sleeve, there is connecting groove the upper end of the lower body corresponding with the outside thread lower convex platform, and the outside thread lower convex platform is fixedly mounted in the connecting groove by screw thread.
10. the lance hydraulic propeller that drags for according to claim 8, there is annular outside thread lower convex platform the lower end that it is characterized in that the reducing sleeve, there is connecting groove the upper end of the lower body corresponding with the outside thread lower convex platform, and the outside thread lower convex platform is fixedly mounted in the connecting groove by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210459827.XA CN102953910B (en) | 2012-11-15 | 2012-11-15 | Hydraulic propeller for fishing spear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210459827.XA CN102953910B (en) | 2012-11-15 | 2012-11-15 | Hydraulic propeller for fishing spear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102953910A true CN102953910A (en) | 2013-03-06 |
| CN102953910B CN102953910B (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210459827.XA Active CN102953910B (en) | 2012-11-15 | 2012-11-15 | Hydraulic propeller for fishing spear |
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| CN (1) | CN102953910B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4211048C1 (en) * | 1992-04-02 | 1993-05-06 | Boart Hwf Gmbh & Co Kg Hartmetallwerkzeugfabrik, 6419 Burghaun, De | |
| CN1339990A (en) * | 1999-12-16 | 2002-03-13 | 浦城胜 | Method and device for washing drain pipe |
| CN2782912Y (en) * | 2005-04-27 | 2006-05-24 | 大庆石油管理局 | Whipstock fisher for lateral well |
| CN201110144Y (en) * | 2007-10-26 | 2008-09-03 | 新疆石油管理局钻井工艺研究院 | Core-fetching throwing dragging machine for cable |
| CN201443302U (en) * | 2009-01-14 | 2010-04-28 | 荣刚 | Four-hole hydraulic jet bit |
| CN102116138A (en) * | 2010-12-31 | 2011-07-06 | 中国石油天然气集团公司 | Tapered release type tubing plug |
| CN102744170A (en) * | 2012-05-10 | 2012-10-24 | 太仓戴尔塔精密模具有限公司 | Combination nozzle for convenient pipe-washing and punching device |
| CN202946298U (en) * | 2012-11-15 | 2013-05-22 | 中国石油集团西部钻探工程有限公司 | Salvage spear hydraulic power propeller |
-
2012
- 2012-11-15 CN CN201210459827.XA patent/CN102953910B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4211048C1 (en) * | 1992-04-02 | 1993-05-06 | Boart Hwf Gmbh & Co Kg Hartmetallwerkzeugfabrik, 6419 Burghaun, De | |
| CN1339990A (en) * | 1999-12-16 | 2002-03-13 | 浦城胜 | Method and device for washing drain pipe |
| CN2782912Y (en) * | 2005-04-27 | 2006-05-24 | 大庆石油管理局 | Whipstock fisher for lateral well |
| CN201110144Y (en) * | 2007-10-26 | 2008-09-03 | 新疆石油管理局钻井工艺研究院 | Core-fetching throwing dragging machine for cable |
| CN201443302U (en) * | 2009-01-14 | 2010-04-28 | 荣刚 | Four-hole hydraulic jet bit |
| CN102116138A (en) * | 2010-12-31 | 2011-07-06 | 中国石油天然气集团公司 | Tapered release type tubing plug |
| CN102744170A (en) * | 2012-05-10 | 2012-10-24 | 太仓戴尔塔精密模具有限公司 | Combination nozzle for convenient pipe-washing and punching device |
| CN202946298U (en) * | 2012-11-15 | 2013-05-22 | 中国石油集团西部钻探工程有限公司 | Salvage spear hydraulic power propeller |
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| CN102953910B (en) | 2015-06-17 |
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Address after: 830026 science and technology management division, West drilling and Drilling Engineering Institute, No. 326 South Central Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region, China Applicant after: CNPC Xibu Drilling Engineering Company Limited Address before: 834000 the Xinjiang Uygur Autonomous Region Karamay Hongyan Road No. 80 Western Drilling Engineering Technology Research Institute of science and technology management department Applicant before: CNPC Xibu Drilling Engineering Company Limited |
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