CN111734331B - Electromagnetic guide casting and fishing tool and magnetic guide eccentric separate injection device - Google Patents
Electromagnetic guide casting and fishing tool and magnetic guide eccentric separate injection device Download PDFInfo
- Publication number
- CN111734331B CN111734331B CN202010617178.6A CN202010617178A CN111734331B CN 111734331 B CN111734331 B CN 111734331B CN 202010617178 A CN202010617178 A CN 202010617178A CN 111734331 B CN111734331 B CN 111734331B
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- Prior art keywords
- fishing
- throwing
- eccentric
- main body
- coil
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- 238000002347 injection Methods 0.000 title claims abstract description 30
- 239000007924 injection Substances 0.000 title claims abstract description 30
- 238000005266 casting Methods 0.000 title claims abstract description 24
- 210000000078 claw Anatomy 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
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- 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
- E21B31/06—Fishing for or freeing objects in boreholes or wells using magnetic means
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- 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
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/14—Obtaining from a multiple-zone well
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Marine Sciences & Fisheries (AREA)
- Continuous Casting (AREA)
Abstract
The invention relates to the technical field of oil extraction engineering of oil fields, and belongs to an electromagnetic guide casting and fishing tool and a magnetic guide eccentric separate injection device applied to an oil field injection well. The invention solves the problems that impurities are easy to accumulate in the existing throwing and fishing tool, the throwing and fishing success rate is reduced, and the like, and the invention consists of an electromagnetic guide throwing and fishing tool and a magnetic guide eccentric separate injection device, wherein the electromagnetic guide throwing and fishing tool is descended into the magnetic guide eccentric separate injection device; the invention has the advantages of simple and novel structure, repeated use, long service life, high throwing and fishing success rate and the like.
Description
Technical Field
The invention relates to the technical field of oil extraction engineering of oil fields, and belongs to an electromagnetic guide casting and fishing tool and a magnetic guide eccentric separate injection device applied to an oil field injection well.
Background
With the need of oil field development, a plurality of casting and fishing tools and dispensing devices have been invented. A throwing and fishing device, authorized bulletin number: CN 206299360U; a long-term throwing and fishing device for a large-inclination water injection well and a using method thereof are disclosed, wherein CN110185404A adopts the traditional mechanical guiding and throwing and fishing, and when the device is matched with an underground eccentric separate injection device for use, the underground eccentric separate injection device is arranged underground for a long time, so that impurities are easily accumulated in a centralizer body, and the throwing and fishing success rate is reduced.
Disclosure of Invention
The invention aims to provide an electromagnetic guide casting and fishing tool and a magnetic guide eccentric separate injection device, which solve the problems that impurities are easy to accumulate in the conventional casting and fishing tool, the casting and fishing success rate is reduced and the like.
The technical scheme of the invention is as follows: the invention consists of an electromagnetic guide casting and fishing tool and a magnetic guide eccentric separate injection device, wherein the electromagnetic guide casting and fishing tool is descended into the magnetic guide eccentric separate injection device;
the electromagnetic guiding throwing and fishing tool comprises a cable, a cable joint, a throwing and fishing device main body, a guiding coil, a fixing pin, a shrinking wheel, a throwing and fishing claw, a coil framework, a coil, a magnet rod, a flow regulating device and a lower cone, wherein the cable penetrates through the cable joint and the upper end of the throwing and fishing device main body to be connected with the guiding coil;
the magnetic steering eccentric separate injection device is composed of an upper joint, an O-shaped sealing ring, a magnet ring, a framework, an outer sleeve, an eccentric main body and a lower joint, wherein the lower end of the upper joint is in threaded connection with the upper end of the outer sleeve, the lower end of the outer sleeve is in threaded connection with the upper end of the eccentric main body, the lower end of the eccentric main body is in threaded connection with the upper end of the lower joint, the magnet ring is sleeved on the framework, the framework is sleeved inside the upper joint, and the upper joint, the framework, the outer sleeve, the eccentric main body and the lower joint are sealed through the O-shaped sealing ring.
The guiding coils and the coils are copper wires, and the coils are two groups of coils with opposite winding directions.
The coil frame is made of non-magnetic austenitic stainless steel.
The magnet rod is a permanent magnet.
The magnet ring is a slotted permanent magnet, and the slotting direction is consistent with the eccentric hole direction of the magnetic steering eccentric dispensing device.
Compared with the prior art, the invention has the following advantages:
the invention has the advantages of simple and novel structure, repeated use, long service life, high throwing and fishing success rate and the like.
Description of the drawings:
FIG. 1 is a schematic structural view of an electromagnetic guiding casting and fishing tool of the present invention;
FIG. 2 is a schematic diagram of a magnetic steering eccentric dispensing device according to the present invention;
FIG. 3 is a schematic view of the cross-sectional structure A-A of the magnetic steering eccentric dispensing device of the present invention.
The specific implementation mode is as follows: the invention is further described below with reference to the accompanying drawings: the invention consists of an electromagnetic guide casting and fishing tool and a magnetic guide eccentric separate injection device, wherein the electromagnetic guide casting and fishing tool is descended into the magnetic guide eccentric separate injection device.
The electromagnetic guiding throwing and fishing tool consists of a cable 1, a cable joint 2, a throwing and fishing device main body 3, a guiding coil 4, a fixing pin 5, a tightening wheel 6, a throwing and fishing claw 7, a coil framework 8, a coil 9, a magnet rod 10, a flow regulating device 11 and a lower cone 12, wherein the cable 1 passes through the cable joint 2 and the upper end of the throwing and fishing device main body 3 to be connected with the guiding coil 4, the lower end of the cable joint 2 is in threaded connection with the upper end of the throwing and fishing device main body 3, the lower end of the throwing and fishing device main body 3 is in threaded connection with the upper end of the lower cone 12, the guiding coil 4 is wound on the upper end of the throwing and fishing device main body 3, the tightening wheel 6 is connected with the throwing and fishing device main body 3 through the fixing pin 5, the throwing and fishing claw 7 is connected with the throwing and fishing device main body 3 through the fixing pin 5, the coil framework 8 is fixed on the throwing and fishing claw 7 through the fixing pin 5, the coil 9 is wound on the coil framework 8, and the magnet rod 10 is in threaded connection with the flow regulating device 11, the magnet bar 10 is sleeved in the coil framework 8;
the magnetic steering eccentric dispensing device comprises an upper connector 20, an O-shaped sealing ring 21, a magnet ring 22, a framework 23, an outer sleeve 24, an eccentric main body 25 and a lower connector 26, wherein the lower end of the upper connector 20 is in threaded connection with the upper end of the outer sleeve 24, the lower end of the outer sleeve 24 is in threaded connection with the upper end of the eccentric main body 25, the lower end of the eccentric main body 25 is in threaded connection with the upper end of the lower connector 26, the magnet ring 22 is sleeved on the framework 23, the framework 23 is sleeved inside the upper connector 20, and the upper connector 20, the framework 23, the outer sleeve 24, the eccentric main body 25 and the lower connector 26 are sealed through the O-shaped sealing ring 21.
The guiding coil 4 and the coil 9 are copper wires, and the coil 9 is two groups of coils with opposite winding directions.
The coil bobbin 8 is made of austenitic stainless steel which is not magnetically conductive.
The magnet rod 10 is a permanent magnet.
The magnet ring 22 is a slotted permanent magnet, and the direction of the slot coincides with the eccentric hole direction of the magnetic steering eccentric dispensing device.
The invention is mainly applied to an oilfield stratified injection well, according to the field injection requirement, an injection well which needs to be subjected to stratified injection quantity adjustment is firstly put into a injection pipe column consisting of the magnetic guide eccentric injection device of the invention, then the electromagnetic guide casting and fishing tool of the invention is put into the magnetic guide eccentric injection device by using a cable 1, ground power is supplied to enable the guide coil 4 to generate an electromagnetic field which interacts with a magnetic field generated by a magnet ring 22 of the magnetic guide eccentric injection device in the injection well, the electromagnetic guide casting and fishing tool carries a casting and fishing claw 7 to rotate until the casting and fishing claw 7 is rotated to be consistent with the slotting direction of the magnet ring 22, at the moment, the casting and fishing claw 7 is consistent with the eccentric hole direction of the magnetic guide eccentric injection device, the electromagnetic field generated by a coil 9 is interacted with a magnet rod 10, and the whole consisting of the magnet rod 10 and a flow regulating device 11 is ejected into the eccentric hole of the magnetic guide eccentric injection device, and finishing guiding and delivering. The fishing process is the reverse of the above process.
Claims (5)
1. The utility model provides an electromagnetism direction is thrown and is dragged for instrument and eccentric device of dividing of magnetic steering which characterized in that: the device consists of an electromagnetic guide casting and fishing tool and a magnetic guide eccentric separate injection device, wherein the electromagnetic guide casting and fishing tool is lowered into the magnetic guide eccentric separate injection device;
the electromagnetic guiding throwing and fishing tool consists of a cable (1), a cable joint (2), a throwing and fishing device main body (3), a guiding coil (4), a fixing pin (5), a tightening wheel (6), a throwing and fishing claw (7), a coil framework (8), a coil (9), a magnet rod (10), a flow regulating device (11) and a lower cone body (12), wherein the cable (1) penetrates through the cable joint (2) and the upper end of the throwing and fishing device main body (3) to be connected with the guiding coil (4), the lower end of the cable joint (2) is in threaded connection with the upper end of the throwing and fishing device main body (3), the lower end of the throwing and fishing device main body (3) is in threaded connection with the upper end of the lower cone body (12), the guiding coil (4) is wound on the upper end of the throwing and fishing device main body (3), the tightening wheel (6) is connected with the throwing and fishing device main body (3) through the fixing pin (5), the throwing and fishing claw (7) is connected with the throwing and fishing device main body (3) through the fixing pin (5), the coil framework (8) is fixed on the throwing and fishing claw (7) through a fixing pin (5), the coil (9) is wound on the coil framework (8), the magnet rod (10) is in threaded connection with the flow regulating device (11), and the magnet rod (10) is sleeved in the coil framework (8);
the magnetic guide eccentric dispensing device comprises an upper connector (20), an O-shaped sealing ring (21), a magnet ring (22), a framework (23), an outer sleeve (24), an eccentric main body (25) and a lower connector (26), wherein the lower end of the upper connector (20) is in threaded connection with the upper end of the outer sleeve (24), the lower end of the outer sleeve (24) is in threaded connection with the upper end of the eccentric main body (25), the lower end of the eccentric main body (25) is in threaded connection with the upper end of the lower connector (26), the magnet ring (22) is sleeved on the framework (23), the framework (23) is sleeved inside the upper connector (20), and the upper connector (20), the framework (23), the outer sleeve (24), the eccentric main body (25) and the lower connector (26) are sealed through the O-shaped sealing ring (21).
2. The electromagnetic guide casting and fishing tool and magnetic guide eccentric dispensing device of claim 1, wherein: the guiding coil (4) and the coil (9) are copper wires, and the coils (9) are two groups of coils with opposite winding directions.
3. The electromagnetic guide casting and fishing tool and magnetic guide eccentric dispensing device of claim 1, wherein: wherein the coil framework (8) is made of non-magnetic austenitic stainless steel.
4. The electromagnetic guide casting and fishing tool and magnetic guide eccentric dispensing device of claim 1, wherein: wherein the magnet rod (10) is a permanent magnet.
5. The electromagnetic guide casting and fishing tool and magnetic guide eccentric dispensing device of claim 1, wherein: the magnet ring (22) is a slotted permanent magnet, and the direction of the slotted permanent magnet is consistent with the eccentric hole direction of the magnetic guide eccentric dispensing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010617178.6A CN111734331B (en) | 2020-06-30 | 2020-06-30 | Electromagnetic guide casting and fishing tool and magnetic guide eccentric separate injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010617178.6A CN111734331B (en) | 2020-06-30 | 2020-06-30 | Electromagnetic guide casting and fishing tool and magnetic guide eccentric separate injection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111734331A CN111734331A (en) | 2020-10-02 |
| CN111734331B true CN111734331B (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010617178.6A Active CN111734331B (en) | 2020-06-30 | 2020-06-30 | Electromagnetic guide casting and fishing tool and magnetic guide eccentric separate injection device |
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| Country | Link |
|---|---|
| CN (1) | CN111734331B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2030627B1 (en) * | 2022-01-20 | 2022-12-05 | Univ Southwest Petroleum | Intelligent electromagnetic fishing device for horizontal wells |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2584824Y (en) * | 2002-08-21 | 2003-11-05 | 王文龙 | Adsorption double-action dropping apparatus |
| CN102418485A (en) * | 2010-09-27 | 2012-04-18 | 中国石油天然气股份有限公司 | Positionable underground intelligent fishing tool |
| CN102493775A (en) * | 2011-12-28 | 2012-06-13 | 中国石油天然气股份有限公司 | Electric fishing device |
| WO2014005393A1 (en) * | 2012-07-06 | 2014-01-09 | 西南石油大学 | Testing and adjusting linkage system and operational process therefor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9580968B2 (en) * | 2013-06-18 | 2017-02-28 | Bitswave, Inc. | Rotary steerable drilling tool with electromagnetic steering system |
-
2020
- 2020-06-30 CN CN202010617178.6A patent/CN111734331B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2584824Y (en) * | 2002-08-21 | 2003-11-05 | 王文龙 | Adsorption double-action dropping apparatus |
| CN102418485A (en) * | 2010-09-27 | 2012-04-18 | 中国石油天然气股份有限公司 | Positionable underground intelligent fishing tool |
| CN102493775A (en) * | 2011-12-28 | 2012-06-13 | 中国石油天然气股份有限公司 | Electric fishing device |
| WO2014005393A1 (en) * | 2012-07-06 | 2014-01-09 | 西南石油大学 | Testing and adjusting linkage system and operational process therefor |
Non-Patent Citations (2)
| Title |
|---|
| 基于PIC16F877A的分层注水流量智能测调系统的设计;李文华等;《工矿自动化》;20100410(第04期);全文 * |
| 大斜度井偏心分注钢丝投捞工具的改进与应用;肖国华等;《石油机械》;20120810(第08期);全文 * |
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| Publication number | Publication date |
|---|---|
| CN111734331A (en) | 2020-10-02 |
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