CN2732984Y - Multipurpose hydraulic junk basket - Google Patents
Multipurpose hydraulic junk basket Download PDFInfo
- Publication number
- CN2732984Y CN2732984Y CN 200420104820 CN200420104820U CN2732984Y CN 2732984 Y CN2732984 Y CN 2732984Y CN 200420104820 CN200420104820 CN 200420104820 CN 200420104820 U CN200420104820 U CN 200420104820U CN 2732984 Y CN2732984 Y CN 2732984Y
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- CN
- China
- Prior art keywords
- core
- tamponade
- spraining
- junk basket
- elasticity
- 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 - Lifetime
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Abstract
The utility model relates to a multipurpose hydraulic junk basket whose converting joint is provided with a diaphragm type safety valve and the lower part of the converting joint is provided with an exterior joint, an inner joint and a side opening. The inner side of the straight channel of the inner joint is provided with a sealing port which can be sealed by a tamponage core from the upper part, and the side opening opens onto the external of the converting joint between the exterior joint and the inner joint from the straight channel on the upper part of the sealing port. The upper end of an inner cylinder is installed on the inner joint and the upper end of an outer cylinder is installed on the exterior joint. A piston cavity which is formed between the upper part of the inner cylinder and the upper part of the outer cylinder is provided with a pressurization piston which can move up and down, and an elastic junk basket whose top is fixedly installed on the pressurization piston and can move up and down following the pressurization piston is installed between the inner cylinder and the outer cylinder. The lower end of the elastic junk basket is fixedly provided with an elastic junk device and the lower end of the outer cylinder is fixedly provided with an inner tapering shape feeder head which can make the elastic junk device that moves downwards shrink inward. With easy use, safety, reliability and reasonable and compact structure, the utility model can fish effectively various things that fall in well with unequal fish top shapes in the complete overhaul of the oil gas water well.
Description
One, technical field:
The utility model relates in oil gas well turnover job the fishing tool of salvaging trouble of lost tool in hole commonly used, is a kind of multipurpose junk basket that surges.
Two, background technology:
The overhaul of oil gas water well is important measures during oil-gas field development is produced, and flow string is often and the work of generality as the maintenance of tubing strings such as oil pipe and sucker rod and replacing.Under the long term of corrosivity oil, gas, aqueous medium, the corrosion of flow string generally all is quite serious.Therefore, for maintenance with change in the rountrip that tubing string carries out, because a variety of causes causes that tubing string ruptures and the well that falls also is commonplace phenomenon.
The tubing string of the fracture and the well that falls, if corrode lighter, usually can be with being lowered to die nipple (as shown in Figure 1, it is published in 37 pages of Fig. 3-6 records of " oil-gas field downhole operation well workover engineering " chapter 3 first segment of publishing in February, 2002 by petroleum industry publishing house), female coupling tap (as shown in Figure 2, it also is by 38 pages of Fig. 3-7 records of above-mentioned " oil-gas field downhole operation well workover engineering " chapter 3 first segment) thread making, or drag for lance (as shown in Figure 3 with various, it also is by 39 pages of Fig. 3-8 records of above-mentioned " oil-gas field downhole operation well workover engineering " chapter 3 first segment), fishing socket (as shown in Figure 4, its by petroleum industry publishing house be published in publish in October, 1989 " 111 pages of Fig. 3-7 records of oil recovery technique handbook revised edition the 5th fascicle workover tool and technology) etc. tool and method salvage.If but tube corrosion is serious, fracture can't thread making, perhaps because of the well percussion drill that falls makes drilling pipe bending, reverses, crawls and during near the borehole wall, and the salvage comparison difficulty that usually will become.
Owing in well workover, need to salvage the oil gas water well all deep usually (hundreds of rice is to several kms) of junk, can be for the gap very little (about 6～8 millimeters) of instrument activity in the pit shaft, particularly in the slim-hole, the design of down-hole fishing tool spatially is very restricted, so downhole tool all is a thing one usefulness usually.Promptly a fishing tool generally all can only be salvaged the trouble of lost tool in hole (pumping rod salvager as shown in Figure 5, it also is by 46 pages of Fig. 3-14 records of above-mentioned " oil-gas field downhole operation well workover engineering " chapter 3 first segment) of one type or one size.Also have " the tackling all problems at once " of using in the past (as shown in Figure 6, its also be by above-mentioned " 72 pages of Fig. 1-42 records of oil recovery technique handbook revised edition the 5th fascicle workover tool and technology).
Three, summary of the invention:
The utility model provides a kind of multipurpose junk basket that surges, and it efficiently solves the problem that above-mentioned prior art exists, and it can be used for extensively salvaging various trouble of lost tool in holes effectively in the oil gas water well overhaul.
The technical solution of the utility model realizes by following measure: a kind of multipurpose junk basket that surges, it comprises crossover sub, the diaphragm type safety valve, urceolus, pressurizing piston, the tamponade core of spraining, inner core and elasticity junk basket, the diaphragm type safety valve is arranged on crossover sub, socket is arranged at the bottom at crossover sub, spigot and wing passage, the inboard of the straight channel of spigot have can from the sprained seal of tamponade core sealing, wing passage leads to the outside of the crossover sub between socket and the spigot from the straight channel on seal top, the upper end of inner core is installed on the spigot, the upper end of urceolus is installed in the socket, between the top of the top of inner core and urceolus, in the formed plunger shaft pressurizing piston that can move up and down is installed, the top is fixedly mounted on the pressurizing piston and can be installed between inner core and the urceolus with its elasticity junk basket that moves up and down, lower end at the elasticity junk basket fixedly mounts the flexible pawl that drags for, and is installed with in the lower end of urceolus to make the elasticity that moves down drag for the internal cone type feeder head that pawl inwardly shrinks.
Be further optimization and/or selection below to technique scheme:
Can be equipped with on the above-mentioned urceolus on the directed pawl that can be stuck in the elasticity junk basket and the elasticity non-return pin that it can only be moved down.
Can there be the slip-off preventing pawl inboard of dragging for pawl in above-mentioned elasticity.
Can be installed with in the lower end of above-mentioned internal cone type feeder head and to draw milling shoe.
The above-mentioned tamponade core of spraining can adopt ball formula tamponade core or bevel-type tamponade core or the frustum formula tamponade core of spraining of spraining of spraining.
Reasonable and compact in structure of the present utility model, easy to use, and safe and reliable, utilize this multipurpose junk basket that surges, in the oil gas water well overhaul, can be used for salvaging various tops of fish trouble of lost tool in hole in irregular shape effectively.
Four, description of drawings:
Accompanying drawing 1 is the die nipple structural representation of prior art,
Accompanying drawing 2 is female coupling tap structural representations of prior art,
Accompanying drawing 3 be prior art drag for the lance structural representation,
Accompanying drawing 4 is fishing socket structural representations of prior art,
Accompanying drawing 5 is pumping rod salvagers of prior art,
Accompanying drawing 6 is structural representations of the fishing tool that is called as " tackling all problems at once " of prior art;
Accompanying drawing 7 is the structural representation (because of the long separated into two parts of the height of embodiment) of the utility model most preferred embodiment,
Accompanying drawing 8 is the installment state structure for amplifying schematic diagram of elasticity non-return pin 8 in the accompanying drawing 7;
Coding in the accompanying drawing is respectively: 1 is crossover sub, and 2 is the diaphragm type safety valve, and 3 is urceolus, and 4 is pressurizing piston, the 5 tamponade cores of spraining, 6 is inner core, 7 is the elasticity junk basket, 8 is elasticity non-return pin, and 9 for drawing milling shoe, and 10 are socket, 11 is spigot, and 12 is wing passage, and 13 is straight channel, 14 is seal, and 15 is plunger shaft, and 16 drag for pawl for elasticity, 17 is the internal cone type feeder head, and 18 is directed pawl, and 19 is the slip-off preventing pawl.
Five, the specific embodiment:
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
Below in conjunction with most preferred embodiment and accompanying drawing the utility model is further described:
As shown in Figure 7, this multipurpose junk basket that surges comprises crossover sub 1, diaphragm type safety valve 2, urceolus 3, pressurizing piston 4, the tamponade core 5 of spraining, inner core 6 and elasticity junk basket 7, diaphragm type safety valve 2 is arranged on crossover sub 1, in the bottom of crossover sub 1 socket 10 is arranged, spigot 11 and wing passage 12, the inboard of the straight channel 13 of spigot 11 have can from the sprained seal 14 of tamponade core 5 sealings, wing passage 12 leads to the outside of the crossover sub 1 between socket 10 and the spigot 11 from the straight channel 13 on seal 14 tops, the upper end of inner core 6 is installed on the spigot 11, the upper end of urceolus 3 is installed in the socket 10, between the top of the top of inner core 6 and urceolus 3, in the formed plunger shaft 15 pressurizing piston 4 that can move up and down is installed, the top is fixedly mounted on the pressurizing piston 4 and can be installed between inner core 6 and the urceolus 3 with its elasticity junk basket 7 that moves up and down, lower end at elasticity junk basket 7 fixedly mounts the flexible pawl 16 that drags for, and is installed with in the lower end of urceolus 3 to make the elasticity that moves down drag for the internal cone type feeder heads 17 that pawl 16 inwardly shrinks.
Innovation part of the present utility model just is:
1. to drag for pawl be that pressure by drilling fluid or other liquid promotes to elasticity, tightened up by the internal cone type feeder head 17 that preestablishes angle, so its work is more more reliable than " tackling all problems at once " (as shown in Figure 6) of using in the past.
2. when elasticity was dragged for pawl 16 and is in extreme higher position in the utility model, the diameter that passes through that elasticity is dragged for pawl 16 reached maximum, can salvage large diameterly to fall and tubing string (for example 4.5 inches oil pipes); When elasticity junk basket 7 pressurized pistons 4 promoted to move down, under the effect of internal cone type feeder head 17, elasticity was dragged for the front inner diameter of pawl 16 and is dwindled gradually, can salvage the tubing string of various diameters; And when elasticity junk basket 7 reaches minimum design attitude, elasticity is dragged for the top of pawl 16 and is drawn close each other, can salvage the very little well casing post that falls of diameter (for example 5/8 inch oil pumping stalk), and various sizes, the various types of trouble of lost tool in hole of profile in 4.5 inches～5/8 inch scope, the junk basket thereby the multipurpose that the utility model is proposed is surged becomes the effective tool that can be used to extensively salvage various and following junk in the overhaul of oil gas well.
For the ease of operation, as shown in Figure 7, can be equipped with on the urceolus 3 on the directed pawl 18 that can be stuck in elasticity junk basket 7 and the elasticity non-return pin 8 that it can only be moved down, like this when elasticity drag for pawl 16 hold salvaged thing after, liquid body pressure does not reduce or stops the influence to the liquid pressurization, is salvaged the thing difficult drop-off and make.As shown in Figure 7, there is slip-off preventing pawl 19 inboard that elasticity is dragged for pawl 16, also has to prevent to be salvaged the effect that thing comes off.
To salvage in order further helping, as shown in Figure 7, to be installed with in the lower end of internal cone type feeder head 17 and to draw milling shoe 9, can utilize like this and draw milling shoe 9 removing down-hole sand settings, set right on " negative head ", " top of fish " of finishing explosion, distortion, and with in its importing elasticity junk basket 7.
In the utility model, the tamponade core 5 of spraining can adopt the ball formula tamponade core of spraining, and as shown in Figure 7, but also can adopt the tamponade core 5 of spraining of other form according to actual needs, and for example: the tamponade core of spraining also can adopt bevel-type tamponade core or the frustum formula tamponade core of spraining of spraining.
Above technical characterictic has constituted most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
The course of work of the utility model most preferred embodiment is as follows:
At first link to each other with drilling rod by crossover sub 1, being lowered to by normal drill down operator needs to salvage in the oil gas well of junk.When treating that the utility model arrives " top of fish " top position, at first be the turn on pump flushing, transfer drilling tool then, the rotation of pressurizeing, utilization are drawn milling shoe 9 and are removed the down-hole sand setting, and set right " fish head ", " top of fish " of finishing explosion, distortion, and with in its importing elasticity junk basket 7; Stall then, termination of pumping, from the well head input tamponade core 5 of spraining, and turn on pump again, so thereby drilling fluid or other liquid from original straight channel 13 seal 14 sealed be forced to change flow into plunger shaft 15 pairing wing passages 12, promote pressurizing piston 4 and move down, and with 17 synergy of internal cone type feeder head, force elasticity to drag for pawl 16 front curvature, draw in, catch " fish " to the center.Grab after " fish ", plunger shaft 15 pressure will continue to raise, and up to the safety valve rupture of diaphragm of diaphragm type safety valve 2, the well inner cycle channel rebulids, and the ground pressure indication reduces suddenly, shows that " fish " is by firm grip.Get final product termination of pumping this moment, pull out of hole, pick up " fish ";
Behind the safety valve rupture of diaphragm of diaphragm type safety valve 2, plunger shaft 15 pressure descend, but because the non-return effect of flexible non-return pin 8, can not bounce back automatically and loosen " fish " so elasticity is dragged for pawl 16; Seriously be hampered if hoist, in the time of still can not mentioning " fish " above safe load, can transfer drilling tool suddenly, the non-return pin of elasticity non-return pin 8 is cut off in pressurization, and carries suddenly and putting suddenly several times, makes elasticity drag for pawl 16 loosening retractions, can lose " fish ", safety reclaims the utility model and top drilling tool.
Claims (9)
1. multipurpose junk basket that surges, it is characterized in that comprising crossover sub, the diaphragm type safety valve, urceolus, pressurizing piston, the tamponade core of spraining, inner core and elasticity junk basket, the diaphragm type safety valve is arranged on crossover sub, socket is arranged at the bottom at crossover sub, spigot and wing passage, the inboard of the straight channel of spigot have can from the sprained seal of tamponade core sealing, wing passage leads to the outside of the crossover sub between socket and the spigot from the straight channel on seal top, the upper end of inner core is installed on the spigot, the upper end of urceolus is installed in the socket, between the top of the top of inner core and urceolus, in the formed plunger shaft pressurizing piston that can move up and down is installed, the top is fixedly mounted on the pressurizing piston and can be installed between inner core and the urceolus with its elasticity junk basket that moves up and down, lower end at the elasticity junk basket fixedly mounts the flexible pawl that drags for, and is installed with in the lower end of urceolus to make the elasticity that moves down drag for the internal cone type feeder head that pawl inwardly shrinks.
2. the multipurpose according to claim 1 junk basket that surges is characterized in that being equipped with on the urceolus on the directed pawl that can be stuck in the elasticity junk basket and the elasticity non-return pin that it can only be moved down.
3. the multipurpose according to claim 1 and 2 junk basket that surges is characterized in that elasticity drags for the inboard of pawl the slip-off preventing pawl is arranged.
4. the multipurpose according to claim 1 and 2 junk basket that surges, the lower end that it is characterized in that the internal cone type feeder head is installed with draws milling shoe.
5. the multipurpose according to claim 3 junk basket that surges, the lower end that it is characterized in that the internal cone type feeder head is installed with draws milling shoe.
6. the multipurpose according to claim 1 and 2 junk basket that surges, the tamponade core that it is characterized in that spraining adopt ball formula tamponade core or bevel-type tamponade core or the frustum formula tamponade core of spraining of spraining of spraining.
7. the multipurpose according to claim 3 junk basket that surges, the tamponade core that it is characterized in that spraining adopt ball formula tamponade core or bevel-type tamponade core or the frustum formula tamponade core of spraining of spraining of spraining.
8. the multipurpose according to claim 4 junk basket that surges, the tamponade core that it is characterized in that spraining adopt ball formula tamponade core or bevel-type tamponade core or the frustum formula tamponade core of spraining of spraining of spraining.
9. the multipurpose according to claim 5 junk basket that surges, the tamponade core that it is characterized in that spraining adopt ball formula tamponade core or bevel-type tamponade core or the frustum formula tamponade core of spraining of spraining of spraining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420104820 CN2732984Y (en) | 2004-09-17 | 2004-09-17 | Multipurpose hydraulic junk basket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420104820 CN2732984Y (en) | 2004-09-17 | 2004-09-17 | Multipurpose hydraulic junk basket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2732984Y true CN2732984Y (en) | 2005-10-12 |
Family
ID=35068825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420104820 Expired - Lifetime CN2732984Y (en) | 2004-09-17 | 2004-09-17 | Multipurpose hydraulic junk basket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2732984Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587860A (en) * | 2012-03-27 | 2012-07-18 | 迟恒春 | Removable anti-blocking safety valve and special fishing tool for same |
| CN103452514A (en) * | 2013-09-13 | 2013-12-18 | 中国海洋石油总公司 | Wide-range catch socket |
| CN105840125A (en) * | 2016-06-13 | 2016-08-10 | 新疆如通石油技术服务有限公司 | Controllable reverse circulation structure |
-
2004
- 2004-09-17 CN CN 200420104820 patent/CN2732984Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587860A (en) * | 2012-03-27 | 2012-07-18 | 迟恒春 | Removable anti-blocking safety valve and special fishing tool for same |
| CN102587860B (en) * | 2012-03-27 | 2014-04-16 | 迟恒春 | Removable anti-blocking safety valve and special fishing tool for same |
| CN103452514A (en) * | 2013-09-13 | 2013-12-18 | 中国海洋石油总公司 | Wide-range catch socket |
| CN103452514B (en) * | 2013-09-13 | 2016-03-30 | 中国海洋石油总公司 | Wide-range catch socket |
| CN105840125A (en) * | 2016-06-13 | 2016-08-10 | 新疆如通石油技术服务有限公司 | Controllable reverse circulation 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CNPC XIBU DRILLING ENGINEERING COMPANY LIMITED Free format text: FORMER OWNER: XINJIANG PETROLEUM ADMINISTRATION BUREAU DOWNHOLE OPERATION COMPANY Effective date: 20130124 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 834000 KARAMAY, XINJIANG UYGUR AUTONOMOUS REGION TO: 830026 URUMQI, XINJIANG UYGUR AUTONOMOUS REGION |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130124 Address after: 830026, No. 68 South Central Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region Patentee after: CNPC Xibu Drilling Engineering Company Limited Address before: 834000 Karamay Road, the Xinjiang Uygur Autonomous Region, No. 34 Patentee before: Xinjiang Petro Administration Bureau Downhole Operation Corp. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140917 Granted publication date: 20051012 |