CN103758479A - Window-opening bailer for salvaging sucker rod - Google Patents
Window-opening bailer for salvaging sucker rod Download PDFInfo
- Publication number
- CN103758479A CN103758479A CN201410044481.6A CN201410044481A CN103758479A CN 103758479 A CN103758479 A CN 103758479A CN 201410044481 A CN201410044481 A CN 201410044481A CN 103758479 A CN103758479 A CN 103758479A
- Authority
- CN
- China
- Prior art keywords
- window
- dipper
- sucker rod
- salvaging
- windowing
- 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
- 210000002445 nipple Anatomy 0.000 claims description 6
- 230000007306 turnover Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 210000002105 tongue Anatomy 0.000 abstract description 20
- 239000003921 oil Substances 0.000 abstract description 12
- 239000010779 crude oil Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 241000251468 Actinopterygii Species 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The invention relates to a windowing overshot for salvaging a sucker rod, which comprises a tubular overshot body, wherein the upper part of the overshot body is fixedly provided with a section of connecting oil pipe, and the upper part of the connecting oil pipe is fixedly connected with a short section of oil pipe; two windows are oppositely arranged on the pipe wall of the fishing barrel body; a window tongue which inclines upwards towards the interior of the fishing barrel body is formed on the window; the distance between the tops of the two opposite window tongues is smaller than the diameter of a coupling on the sucker rod. The windowing overshot for salvaging the sucker rod can stop large-area crude oil pollution in the process of salvaging the sucker rod, reduce the salvaging cost and save manpower and material resources.
Description
Technical field
The invention relates to a kind of fishing tool of sucker rod, relate in particular to a kind of for salvaging the window cutting dipper of sucker rod.
Background technology
After at present the well rod in oil field breaks and, must allow outside underground work troop examine bar construction, adopt cover to put forward the method under cover, utilize the fishing tools such as fishing spear first by lower, to underground oil pipe, to propose ground, again the beam hanger of appearing is proposed to ground, detect the complete pipe lower beam that again descends again, whole process is very loaded down with trivial details, take time and effort, and cover carries that the lower crude oil pollution area of cover is large, to put rod tube cross action safety factor low in practice; Fisher in practice tooth sheet is frangible easily de-, and effect is bad, and it is higher to salvage cost, labor intensive material resources.
Thus, the inventor, by means of being engaged in experience and the practice of relevant industries for many years, proposes a kind of for salvaging the window cutting dipper of sucker rod, to overcome the defect of prior art.
Summary of the invention
The object of the present invention is to provide a kind ofly for salvaging the window cutting dipper of sucker rod, to stop large-area crude oil pollution in sucker rod is salvaged, reduce and salvage cost, use manpower and material resources sparingly.
The object of the present invention is achieved like this, and a kind of for salvaging the window cutting dipper of sucker rod, described window cutting dipper includes tubulose dipper body, and dipper body top is fixed with one section of connected pipes, and this connected pipes top is fixedly connected with a pipe nipple; On the tube wall of described dipper body, being relatively provided with two windows; The window tongue that the described upper formation of windowing is tilted to towards dipper body interior; Distance between described two relative window tongue tops is less than the diameter of box cupling on sucker rod.
In a better embodiment of the present invention, guide shoe shape is arranged in the bottom of described dipper body.
In a better embodiment of the present invention, described in the rectangular shaped of windowing, described in the upper side edge of windowing be connected with tube wall, another three sides and tube wall cut off; Described window along upper side edge to body in top turnover form described window tongue.
In a better embodiment of the present invention, described in window and be up-small and down-big trapezoidal shape, described trapezoidal upper base of windowing is connected with tube wall, another three sides and tube wall cut off; Described trapezoidal window along upper base to body in top turnover form described window tongue.
In a better embodiment of the present invention, described dipper body is that 2～3.5m, external diameter are that the standard oil pipe that 88.9mm, internal diameter are 74.22mm forms by a segment length; The oil pipe that described connected pipes is 73mm by one section of diameter forms.
In a better embodiment of the present invention, the distance between described two relative window tongue tops is less than 25mm.
From the above mentioned, salvage disconnected while dropping on the sucker rod in oil well, described window cutting dipper moves down and moves down, the top of sucker rod is introduced in dipper body, then to window cutting dipper pressurization 5～8KN, while is due to the Action of Gravity Field of salvaging system self, window cutting dipper enters down-hole smoothly, break the top of the sucker rod that falls also smoothly by two groups of positions of windowing, when sucker rod passes through two relative window tongue top spacings, although two window tongues can push and deformation owing to being subject to box cupling on sucker rod, but after losing extruding force (being that box cupling passes through), two window tongues can be because self elastic recovery be to heeling condition, when whole window cutting dipper is upwards lifted, two window tongue tops just can be stuck in the box cupling lower end of the sucker rod that breaks, utilize the oil pipe being connected with pipe nipple upper end to continue upwards to lift window cutting dipper, just can fish for the sucker rod that breaks.Of the present invention for salvaging the window cutting dipper of sucker rod, can in salvaging, sucker rod stop large-area crude oil pollution, and reduce and salvage cost, use manpower and material resources sparingly.
Accompanying drawing explanation
The following drawings is only intended to the present invention to schematically illustrate and explain, not delimit the scope of the invention.Wherein:
Fig. 1: for the present invention is for salvaging the structural representation of the window cutting dipper of sucker rod.
Fig. 2: for A in Fig. 1 is to view.
The specific embodiment
For technical characterictic of the present invention, object and effect being had more clearly, understand, now contrast accompanying drawing explanation the specific embodiment of the present invention.
As shown in Figure 1 and Figure 2, the present invention proposes a kind of for salvaging the window cutting dipper 100 of sucker rod, described window cutting dipper 100 includes tubulose dipper body 1, dipper body 1 top is fixed with one section of connected pipes 2, and these connected pipes 2 tops are fixedly connected with (during operation, pipe nipple is connected with lower oil pipe in well) with a pipe nipple 3; On the tube wall of described dipper body 1, be relatively provided with two and window 11; Described windowing forms the window tongue 12 being tilted to towards dipper body interior on 11; Distance between described two relative window tongue 12 tops is less than the diameter of box cupling (not shown) on sucker rod.
Salvage disconnected while dropping on the sucker rod in oil well, described window cutting dipper 100 moves down, the top of sucker rod is introduced in dipper body 1, then to window cutting dipper pressurization 5～8KN, while is due to the Action of Gravity Field of salvaging system self, window cutting dipper 100 enters down-hole smoothly, break the top of the sucker rod that falls also smoothly by two groups of positions of windowing, when sucker rod passes through two relative window tongue 12 top spacings, although two window tongues can push and deformation owing to being subject to box cupling on sucker rod, but after losing extruding force (being that box cupling passes through), two window tongues can be because self elastic recovery be to heeling condition, when whole window cutting dipper is upwards lifted, two window tongue 12 tops just can be stuck in the box cupling lower end of the sucker rod that breaks, utilize the oil pipe being connected with pipe nipple upper end to continue upwards to lift window cutting dipper, just can fish for the sucker rod that breaks.
From the above mentioned, of the present invention for salvaging the window cutting dipper of sucker rod, can in salvaging, sucker rod stop large-area crude oil pollution, and reduce and salvage cost, use manpower and material resources sparingly.
Further, as shown in Figure 1, in the present embodiment, guide shoe shape is arranged in the bottom of described dipper body 1, to facilitate window cutting dipper to enter in pit shaft.
In the present embodiment, as shown in Figure 2, described in window and 11 be up-small and down-big trapezoidal shape, described trapezoidal upper base of windowing is connected with dipper body tube wall, another three sides and dipper body tube wall cut off; Described trapezoidal window along upper base to body in top turnover form described window tongue 12.
In another embodiment of present embodiment, described in window 11 also can rectangular shaped, described in the upper side edge of windowing be connected with dipper body tube wall, another three sides and dipper body tube wall cut off; Described window along upper side edge to body in top turnover form described window tongue 12.
Further, in the present embodiment, described dipper body 1 is to be that 2～3.5m, external diameter are that Φ 88.9mm, internal diameter are that the standard oil pipe of Φ 74.22mm forms by a segment length; The oil pipe that described connected pipes 2 is is Φ 73mm by one section of internal diameter forms.Distance between described two relative window tongue 12 tops is less than 25mm.
The foregoing is only the schematic specific embodiment of the present invention, not in order to limit scope of the present invention.Any those skilled in the art, not departing from equivalent variations and the modification of having done under the prerequisite of design of the present invention and principle, all should belong to the scope of protection of the invention.
Claims (6)
1. for salvaging a window cutting dipper for sucker rod, it is characterized in that: described window cutting dipper includes tubulose dipper body, dipper body top is fixed with one section of connected pipes, and this connected pipes top is fixedly connected with a pipe nipple; On the tube wall of described dipper body, being relatively provided with two windows; The window tongue that the described upper formation of windowing is tilted to towards dipper body interior; Distance between described two relative window tongue tops is less than the diameter of box cupling on sucker rod.
2. as claimed in claim 1 for salvaging the window cutting dipper of sucker rod, it is characterized in that: guide shoe shape is arranged in the bottom of described dipper body.
3. as claimed in claim 1 for salvaging the window cutting dipper of sucker rod, it is characterized in that: described in the rectangular shaped of windowing, described in the upper side edge of windowing be connected with tube wall, another three sides and tube wall cut off; Described window along upper side edge to body in top turnover form described window tongue.
4. as claimed in claim 1 for salvaging the window cutting dipper of sucker rod, it is characterized in that: described in window and be up-small and down-big trapezoidal shape, described trapezoidal upper base of windowing is connected with tube wall, another three sides and tube wall cut off; Described trapezoidal window along upper base to body in top turnover form described window tongue.
5. as claimed in claim 4 for salvaging the window cutting dipper of sucker rod, it is characterized in that: described dipper body is that 2～3.5m, external diameter are that the standard oil pipe that 88.9mm, internal diameter are 74.22mm forms by a segment length; The oil pipe that described connected pipes is 73mm by one section of diameter forms.
6. as claimed in claim 5 for salvaging the window cutting dipper of sucker rod, it is characterized in that: the distance between described two relative window tongue tops is less than 25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410044481.6A CN103758479A (en) | 2014-01-30 | 2014-01-30 | Window-opening bailer for salvaging sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410044481.6A CN103758479A (en) | 2014-01-30 | 2014-01-30 | Window-opening bailer for salvaging sucker rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103758479A true CN103758479A (en) | 2014-04-30 |
Family
ID=50525779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410044481.6A Pending CN103758479A (en) | 2014-01-30 | 2014-01-30 | Window-opening bailer for salvaging sucker rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103758479A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2471921Y (en) * | 2001-03-24 | 2002-01-16 | 袁勇 | Salvage cylinder with window |
| 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 |
| CN200968190Y (en) * | 2006-11-09 | 2007-10-31 | 中国石油化工股份有限公司 | Window opening bailer |
| CN201103360Y (en) * | 2007-08-31 | 2008-08-20 | 高剑锋 | Underground falling objects salvaging barrel |
| CN201193605Y (en) * | 2008-04-14 | 2009-02-11 | 牛君 | Sealing / unsealing anti-corrosive wear resistant rod type oil well pump, |
| CN202578608U (en) * | 2012-04-28 | 2012-12-05 | 辽宁石油机械制造有限公司 | Overshot with slot |
| CN203335006U (en) * | 2013-01-09 | 2013-12-11 | 慕武 | Milling overshot for short and light falling object |
| CN203394409U (en) * | 2013-03-14 | 2014-01-15 | 中国石油天然气集团公司 | Windowed hinge-type overshot |
| CN204212728U (en) * | 2014-09-28 | 2015-03-18 | 辽河石油勘探局 | A kind of spiral sucker-rod fishing tool |
-
2014
- 2014-01-30 CN CN201410044481.6A patent/CN103758479A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2471921Y (en) * | 2001-03-24 | 2002-01-16 | 袁勇 | Salvage cylinder with window |
| 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 |
| CN200968190Y (en) * | 2006-11-09 | 2007-10-31 | 中国石油化工股份有限公司 | Window opening bailer |
| CN201103360Y (en) * | 2007-08-31 | 2008-08-20 | 高剑锋 | Underground falling objects salvaging barrel |
| CN201193605Y (en) * | 2008-04-14 | 2009-02-11 | 牛君 | Sealing / unsealing anti-corrosive wear resistant rod type oil well pump, |
| CN202578608U (en) * | 2012-04-28 | 2012-12-05 | 辽宁石油机械制造有限公司 | Overshot with slot |
| CN203335006U (en) * | 2013-01-09 | 2013-12-11 | 慕武 | Milling overshot for short and light falling object |
| CN203394409U (en) * | 2013-03-14 | 2014-01-15 | 中国石油天然气集团公司 | Windowed hinge-type overshot |
| CN204212728U (en) * | 2014-09-28 | 2015-03-18 | 辽河石油勘探局 | A kind of spiral sucker-rod fishing tool |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140430 |