CN104594846A - Cleaning tool for downhole operation in petroleum well - Google Patents
Cleaning tool for downhole operation in petroleum well Download PDFInfo
- Publication number
- CN104594846A CN104594846A CN201510037536.5A CN201510037536A CN104594846A CN 104594846 A CN104594846 A CN 104594846A CN 201510037536 A CN201510037536 A CN 201510037536A CN 104594846 A CN104594846 A CN 104594846A
- Authority
- CN
- China
- Prior art keywords
- claw
- electromagnet
- clamping jaws
- cleaning tool
- support pillar
- 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
- 238000004140 cleaning Methods 0.000 title claims abstract description 12
- 239000003208 petroleum Substances 0.000 title abstract 4
- 210000000078 claw Anatomy 0.000 claims description 56
- 239000003129 oil well Substances 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 239000004575 stone Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B31/12—Grappling tools, e.g. tongs or grabs
- E21B31/18—Grappling tools, e.g. tongs or grabs gripping externally, e.g. overshot
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Marine Sciences & Fisheries (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a cleaning tool for downhole operation in a petroleum well. The cleaning tool comprises a support pillar, wherein a plurality of rectangular holes are formed in the side wall of the support pillar; a plurality of limit holes mutually connected with the rectangular holes are formed in the bottom of the support pillar; a cone-shaped support rod is fixed in a hollow cavity of the support pillar; a plurality of clamping jaws are connected onto the side wall of the support rod through hinges; an electromagnet is connected with an external power supply through a wire; magnets matched with the electromagnet are mounted on the sides, close to the support rod, of the clamping jaws. The support pillar is slowly put in the petroleum well, and the power supply is started, so that the electromagnet and the magnets on the clamping jaws mutually take effect, namely the electromagnet is used for generating attraction with the magnets so that the upper ends of the clamping jaws retract inwards around articulated points and the other ends of the clamping jaws expand outwards around the articulated points, so that the internal space of a columnar clamping space formed by the clamping jaws is increased, namely the clamping jaws can be used for cleaning whole sundries such as crushed stones, steel wire ropes and cable ropes inside the petroleum well.
Description
Technical field
The present invention relates to oil field, specifically refer to operation cleaning tool in oil well well.
Background technology
In oil well operation process; the junk that some affect operation and oil exploitation usually can be fallen in oil well; be generally the elongated and object that body is soft such as some wire rope, cable, steel wire for logging, these junks need pull out in oil well in time, in order to avoid soil-well jam or damage equipment.Drag for rope instrument inner for oil well rope form junk to be pulled out though present, but it is low not only to salvage efficiency, and salvages thorough not, many tiny, things not easily salvaged that drops that length is shorter, cause the salvaging cycle also to extend.
Summary of the invention
The object of the present invention is to provide operation cleaning tool in oil well well, the rope instrument that drags in the past of solving salvage efficiency low, salvage halfway problem.
Object of the present invention is achieved through the following technical solutions:
Operation cleaning tool in oil well well, comprise the support column of inner hollow, the sidewall of described support column has multiple rectangular opening, the bottom of support column has multiple spacing hole interconnective with rectangular opening, the hollow cavity internal fixtion of support column has the support bar of taper, is connected with multiple claw at the sidewall upper hinge of described support bar; Also comprise the electromagnet being fixed on supporting bar top, electromagnet is connected with external power source by wire, and on the side of support bar, be provided with the magnet matched with electromagnet at claw.When the present invention works, rectangular opening and spacing hole form the L shape activity interval of claw on support bar, support column is slowly put into oil well, start power supply simultaneously, magnet on electromagnet and claw is interacted, namely electromagnet produces magnet and attracts the upper end of claw is inwardly bounced back around pin joint, and the other end of claw expands outwardly around pin joint, the inner space of the column grasping part that multiple claw is formed increases, namely ensure that claw can to the foreign material of the whole inside of oil well, such as crushed stone, wire rope, cable rope etc. are cleared up; When the bottom of claw is placed in shaft bottom, the electric current passed in electromagnet changes, the attraction state of electromagnet to magnet is made to become repulsion state, the upper end of claw starts away from electromagnet, its other end is then close to support column axis place place, and then the grasping part making the foreign material etc. in oil well enter multiple claw to be formed, when the ends contact of the inwall of claw and spacing hole, claw stops continuing to move, and prevents multiple claw from excessively moving each other and causing impaired.
The inner wall at end of described claw is fixed with latch.For strengthening the salvaging effect of claw to foreign material further, claw being provided with latch, preventing foreign material from dropping in salvaging uphill process.
Multiple described claw ringwise and array distribution on support bar.Multiple claw annular array is hinged on support bar, makes multiple claw form a cone shape grasping part, to ensure that claw is cleared up completely to the foreign material in oil well.
Also comprise connector, described connector is fixed on the top of support column and coordinates with the lifting gear of outside.Connector is used for being connected with the lifting gear of outside, and this lifting gear can be steel cable or draw bar, is shifted out together in oil well by related for salvaging structure foreign material by steel cable or the lifting of draw bar.
The present invention compared with prior art, has following advantage and beneficial effect:
1, support column is slowly put into oil well by the present invention, start power supply simultaneously, magnet on electromagnet and claw is interacted, namely electromagnet produces magnet and attracts the upper end of claw is inwardly bounced back around pin joint, and the other end of claw expands outwardly around pin joint, the inner space of the column grasping part that multiple claw is formed increases, and namely ensure that claw can to the foreign material of the whole inside of oil well, such as crushed stone, wire rope, cable rope etc. are cleared up;
2, the present invention strengthens the salvaging effect of claw to foreign material further, and claw is provided with latch, prevents foreign material from dropping in salvaging uphill process;
3, the multiple claw annular array of the present invention is hinged on support bar, makes multiple claw form a cone shape grasping part, to ensure that claw is cleared up completely to the foreign material in oil well.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms a application's part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A place sectional view of Fig. 1;
Mark and corresponding component title in accompanying drawing:
1-connector, 2-support column, 3-claw, 4-latch, 5-electromagnet, 6-rectangular opening, 7-support bar, 8-spacing hole, 9-magnet.
Detailed description of the invention
Clearly understand for making the object, technical solutions and advantages of the present invention, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment comprises the support column 2 of inner hollow, the sidewall of described support column 2 has multiple rectangular opening 6, the bottom of support column 2 has multiple spacing hole 8 interconnective with rectangular opening 6, the hollow cavity internal fixtion of support column 2 has the support bar 7 of taper, is connected with multiple claw 3 at the sidewall upper hinge of described support bar 7; Also comprise the electromagnet 95 being fixed on support bar 7 top, electromagnet 95 is connected with external power source by wire, and on the side of support bar 7, be provided with the magnet 9 matched with electromagnet 95 at claw 3; The inner wall at end of described claw 3 is fixed with latch 4; Multiple described claw 3 ringwise and array distribution on support bar 7; Also comprise connector 1, described connector 1 is fixed on the top of support column 2 and coordinates with the lifting gear of outside.
When the present invention works, rectangular opening 6 and spacing hole 8 form the L shape activity interval of claw 3 on support bar 7, support column 2 is slowly put into oil well, start power supply simultaneously, electromagnet 95 is interacted with the magnet on claw 3, namely electromagnet 95 pairs of magnet 9 produce and attract the upper end of claw 3 is inwardly bounced back around pin joint, and the other end of claw 3 expands outwardly around pin joint, the inner space of the column grasping part that multiple claw 3 is formed increases, namely ensure that claw 3 can to the foreign material of the whole inside of oil well, such as crushed stone, wire rope, cable rope etc. is cleared up, when the bottom of claw 3 is placed in shaft bottom, the electric current passed in electromagnet 95 changes, the attraction state of electromagnet 95 pairs of magnet 9 is made to become repulsion state, the upper end of claw 3 starts away from electromagnet 95, its other end is then close to support column 2 axis place place, and then make the foreign material etc. in oil well enter the grasping part of multiple claw 3 formation, when the ends contact of the inwall of claw 3 and spacing hole 8, claw 3 stops continuing to move, and prevents multiple claw 3 excessively mobile each other and causes impaired, for strengthening the salvaging effect of claw 3 pairs of foreign material further, claw 3 being provided with latch 4, preventing foreign material from dropping in salvaging uphill process, multiple claw 3 annular array is hinged on support bar 7, makes multiple claw 3 form a cone shape grasping part, to ensure that the foreign material in claw 3 pairs of oil wells are cleared up completely.
Further, connector 1 is for being connected with the lifting gear of outside, and this lifting gear can be steel cable or draw bar, is shifted out together in oil well by related for salvaging structure foreign material by steel cable or the lifting of draw bar.
Above-described detailed description of the invention; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. operation cleaning tool in oil well well, comprise the support column (2) of inner hollow, it is characterized in that: on the sidewall of described support column (2), have multiple rectangular opening (6), the bottom of support column (2) has multiple with rectangular opening (6) interconnective spacing hole (8), the hollow cavity internal fixtion of support column (2) has the support bar (7) of taper, is connected with multiple claw (3) at the sidewall upper hinge of described support bar (7); Also comprise the electromagnet (5) being fixed on support bar (7) top, electromagnet (5) is connected with external power source by wire, and on the side of support bar (7), is provided with the magnet (9) matched with electromagnet (5) at claw (3).
2. operation cleaning tool in oil well well according to claim 1, is characterized in that: the inner wall at end of described claw (3) is fixed with latch (4).
3. operation cleaning tool in oil well well according to claim 1, is characterized in that: multiple described claw (3) ringwise and array distribution on support bar (7).
4. according to operation cleaning tool in the oil well well described in claim 1 ~ 3 any one, it is characterized in that: also comprise connector (1), described connector (1) is fixed on the top of support column (2) and coordinates with the lifting gear of outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510037536.5A CN104594846A (en) | 2015-01-26 | 2015-01-26 | Cleaning tool for downhole operation in petroleum well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510037536.5A CN104594846A (en) | 2015-01-26 | 2015-01-26 | Cleaning tool for downhole operation in petroleum well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104594846A true CN104594846A (en) | 2015-05-06 |
Family
ID=53120855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510037536.5A Pending CN104594846A (en) | 2015-01-26 | 2015-01-26 | Cleaning tool for downhole operation in petroleum well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104594846A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1452930A1 (en) * | 1987-01-07 | 1989-01-23 | Азербайджанский Институт Нефти И Химии Им.М.Азизбекова | Downhole fishing device |
| CN201283574Y (en) * | 2008-10-30 | 2009-08-05 | 长沙楚天科技有限公司 | Magnetic suction type manipulator for clamping bottle |
| CN201389856Y (en) * | 2008-11-14 | 2010-01-27 | 王廷廷 | Clamping mechanism of automatic equipment |
| CN202656191U (en) * | 2012-06-28 | 2013-01-09 | 浙江理工大学 | Under-actuated picking manipulator end effector device |
| CN203427042U (en) * | 2013-08-10 | 2014-02-12 | 黄岩区第二职业技术学校 | Flexible grasping mechanical hand |
| CA2787931A1 (en) * | 2012-08-21 | 2014-02-21 | Sean E. Scrivens | Magnetic pick-up tool |
| CN204552672U (en) * | 2015-01-26 | 2015-08-12 | 成都科盛石油科技有限公司 | A kind of oil well underground fishing structure |
-
2015
- 2015-01-26 CN CN201510037536.5A patent/CN104594846A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1452930A1 (en) * | 1987-01-07 | 1989-01-23 | Азербайджанский Институт Нефти И Химии Им.М.Азизбекова | Downhole fishing device |
| CN201283574Y (en) * | 2008-10-30 | 2009-08-05 | 长沙楚天科技有限公司 | Magnetic suction type manipulator for clamping bottle |
| CN201389856Y (en) * | 2008-11-14 | 2010-01-27 | 王廷廷 | Clamping mechanism of automatic equipment |
| CN202656191U (en) * | 2012-06-28 | 2013-01-09 | 浙江理工大学 | Under-actuated picking manipulator end effector device |
| CA2787931A1 (en) * | 2012-08-21 | 2014-02-21 | Sean E. Scrivens | Magnetic pick-up tool |
| CN203427042U (en) * | 2013-08-10 | 2014-02-12 | 黄岩区第二职业技术学校 | Flexible grasping mechanical hand |
| CN204552672U (en) * | 2015-01-26 | 2015-08-12 | 成都科盛石油科技有限公司 | A kind of oil well underground fishing structure |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into 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: 20150506 |