CN114961647A - Oil pipe plug for oil exploitation and use method thereof - Google Patents

Oil pipe plug for oil exploitation and use method thereof Download PDF

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Publication number
CN114961647A
CN114961647A CN202210526321.XA CN202210526321A CN114961647A CN 114961647 A CN114961647 A CN 114961647A CN 202210526321 A CN202210526321 A CN 202210526321A CN 114961647 A CN114961647 A CN 114961647A
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CN
China
Prior art keywords
sleeve
oil
conical head
outer sleeve
oil pipe
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Pending
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CN202210526321.XA
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Chinese (zh)
Inventor
练志欣
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Individual
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Individual
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Priority to CN202210526321.XA priority Critical patent/CN114961647A/en
Publication of CN114961647A publication Critical patent/CN114961647A/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B37/00Methods or apparatus for cleaning boreholes or wells
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/10Sealing or packing boreholes or wells in the borehole
    • E21B33/12Packers; Plugs
    • E21B33/1208Packers; Plugs characterised by the construction of the sealing or packing means
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment
    • Y02A20/204Keeping clear the surface of open water from oil spills

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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)
  • Pipe Accessories (AREA)

Abstract

An oil pipe plug for oil exploitation relates to the technical field of oil exploitation; the oil cleaning device comprises an outer sleeve, wherein a conical head is arranged at the lower end of the outer sleeve, a connecting rope is arranged at the top of the conical head, the top of the outer sleeve is connected with a limiting plate through a spring, the connecting rope sequentially penetrates through the outer sleeve and the limiting plate from bottom to top, a sealing element is arranged on the outer side of the upper end of the outer sleeve, an elastic oil cleaning block is arranged on the outer side of the lower end of the outer sleeve, and the connecting rope pulls the conical head to push the oil cleaning block upwards to move outwards; the outer sleeve comprises an upper connecting sleeve and a lower connecting sleeve, the sealing element comprises a rubber sleeve and a hinged plate, the hinged plate is movably arranged on the inner side between the upper connecting sleeve and the lower connecting sleeve, and the rubber sleeve is connected on the outer side between the upper connecting sleeve and the lower connecting sleeve. The oil pipe plugging device solves the technical problems that in the prior art, an oil pipe cannot be effectively cleaned in the moving process of an oil production pipe plugging device, and the oil pipe plugging device is not convenient to fix.

Description

Oil pipe plug for oil exploitation and use method thereof
Technical Field
The invention relates to the technical field of oil exploitation, in particular to an oil pipe plug for oil exploitation and a using method thereof.
Background
The technology of blocking in the oil pipe is the guarantee of realizing the safe operation under pressure of the oil, water and gas well, and is also the bottleneck restricting the popularization and application of the operation under pressure technology. For the internal sealing of the pipe column during the operation of various oil, water and gas wells under pressure, the oil pipe plug used at home and abroad generally has the defects of complex structure, higher cost, poor reliability and inconvenient use;
the existing oil production tubing plug cannot effectively clean an oil pipe in the moving process and is not convenient and fast to fix, so that the problem is solved by providing the oil production tubing plug for oil exploitation.
Disclosure of Invention
The invention aims to solve the technical problems that in the prior art, an oil pipe cannot be effectively cleaned in the moving process of an oil production pipe plug, and the oil pipe plug is not convenient and fast to fix.
The purpose and the effect of the invention are achieved by the following specific technical means:
an oil pipe plug for oil exploitation comprises an outer sleeve, wherein a conical head is arranged at the lower end of the outer sleeve, a connecting rope is arranged at the top of the conical head, the top of the outer sleeve is connected with a limiting plate through a spring, the connecting rope sequentially penetrates through the outer sleeve and the limiting plate from bottom to top, a sealing element is arranged on the outer side of the upper end of the outer sleeve, an elastic oil cleaning block is arranged on the outer side of the lower end of the outer sleeve, and the connecting rope pulls the conical head to push the oil cleaning block upwards to move outwards;
the outer sleeve comprises an upper connecting sleeve and a lower connecting sleeve, the sealing element comprises a rubber sleeve and a hinged plate, the hinged plate is movably arranged on the inner side between the upper connecting sleeve and the lower connecting sleeve, and the rubber sleeve is connected on the outer side between the upper connecting sleeve and the lower connecting sleeve.
Preferably, the lower end of the conical head is a head part, the head part is positioned on the outer side of the outer sleeve, the upper end of the conical head is provided with an annular flange, a buffer part is arranged between the annular flanges, the top of the conical head is an inclined plane, and the upper end of the conical head, which is positioned on the annular flange, is sleeved with a spring.
Preferably, the clean oil piece includes the shell, and the inboard upper end of shell is equipped with the extension board, extension board and overcoat inner wall connection spring, the inside hollow form of shell, and one side outwards is equipped with the opening, and the opening part is equipped with the outer casing, the inside fixed sleeve that is equipped with of shell, and the outer casing inboard is connected with the connecting rod, and the connecting rod other end inserts in the fixed sleeve, and fixed sleeve internal connection has the spring.
Preferably, the outer side of the outer guard plate is rotatably provided with a rotating block, and the outer side of the rotating block is provided with a convex edge.
Preferably, the bottom of the housing is provided with an inclined surface, and the bottom of the housing is arranged corresponding to the inclined surface at the top of the conical head.
Preferably, the inside center of limiting plate is equipped with the electro-magnet, and the inside outside that is located the electro-magnet of limiting plate is equipped with the piston groove, and the piston inslot slides and is provided with the gag lever post, and the gag lever post outside cover is equipped with the spring, and the gag lever post is connected with magnet, and the electro-magnet is mutually exclusive with magnet after the circular telegram.
The use method of the oil pipe plug for oil exploitation comprises the following steps:
the method comprises the following steps: the outer sleeve and the pressurized conical head are driven to enter the oil pipe through the connecting rope;
step two: the electromagnet is started, and then the magnet is pushed to drive the limiting rod to move outwards to clamp the oil pipe;
step three: pulling the connecting rope to drive the conical head to move towards the inside of the outer sleeve, and then pushing the oil cleaning block to move outwards, so that the lower end of the outer sleeve is clamped with the oil pipe;
step four: and continuously pulling the connecting rope to further fold the hinged plate between the lower connecting sleeve and the upper connecting sleeve, and matching with the rubber sleeve, so that the sealing element forms a circular sealing ring, and the oil pipe is blocked.
Has the advantages that:
1. the pulling is connected the rope and is driven the cone and up remove and then can promote the shell through the top inclined plane of cone and move toward the outside, and then promotes clean oil piece and move toward the outside for the turning block can with the abundant contact friction of oil pipe inner wall, and then make the dirt of oil pipe inner wall clear away, when connecting the rope and continuing up the pulling, shell and the abundant contact of oil pipe inner wall, and then carry on spacingly.
2. The connecting rope is pulled to further enable the hinged plate between the lower connecting sleeve and the upper connecting sleeve to be folded, and the sealing piece forms a circular sealing ring by matching with the rubber sleeve, so that the oil pipe is blocked.
Description of the drawings:
FIG. 1 is a schematic view of a tubing plug for oil production according to the present invention.
FIG. 2 is an internal view of the tubing plug for oil recovery according to the present invention.
Fig. 3 is a schematic top sectional view of the oil cleaning block of the present invention.
Fig. 4 is an enlarged view of the invention at a in fig. 2.
FIG. 5 is a schematic side sectional view of the oil cleaning block of the present invention.
Fig. 6 is an enlarged view of the invention at B in fig. 2.
Fig. 7 is a schematic view of a cone head of the present invention.
In FIGS. 1-7: the device comprises an outer sleeve 1, an upper connecting sleeve 101, a lower connecting sleeve 102, a conical head 2, a head 201, an annular flange 202, a buffer part 203, an oil cleaning block 3, a shell 301, a fixed sleeve 302, a connecting rod 303, an outer protection plate 304, a rotating block 305, a sealing element 4, a rubber sleeve 401, a hinge plate 402, a limiting plate 5, an electromagnet 501, a magnet 502, a limiting rod 503 and a connecting rope 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-7, an oil pipe plug for oil exploitation comprises an outer sleeve 1, wherein the outer sleeve 1 is integrally cylindrical, the outer sleeve 1 is made of rubber, a conical head 2 is arranged inside the lower end of the outer sleeve 1 in a sliding manner, a connecting rope 6 is arranged at the top of the conical head 2, the top of the outer sleeve 1 is connected with a limiting plate 5 through a spring, the connecting rope 6 sequentially penetrates through the outer sleeve 1 and the limiting plate 5 from bottom to top, a sealing element 4 is arranged on the outer side of the upper end of the outer sleeve 1, an opening is formed in the outer side of the lower end of the outer sleeve 1, a clean oil block 3 is arranged in the opening in a sliding manner, the spring is connected between the upper end of the inner side of the clean oil block 3 and the inner wall of the outer sleeve 1, and the connecting rope 6 pulls the conical head 2 to move upwards so as to push the clean oil block 3 to move outwards;
the outer sleeve 1 comprises an upper connecting sleeve 101 and a lower connecting sleeve 102, and the sealing element 4 has the following specific structure: the hinge joint structure comprises a rubber sleeve 401 and a hinge plate 402, wherein the hinge plate 402 is hinged on the inner side between the upper connecting sleeve 101 and the lower connecting sleeve 102 through a hinge shaft, the rubber sleeve 401 is connected on the outer side between the upper connecting sleeve 101 and the lower connecting sleeve 102, and the hinge plate 402 is wrapped by the rubber sleeve 401.
Wherein, conical head 201 is established to conical head 2 lower extreme, and head 201 is located the outside of overcoat 1, and conical head 2's upper end is equipped with annular flange 202, is equipped with buffer 203 between the annular flange 202, and conical head 2's top is established to the inclined plane, and conical head 2 is located the last pot head of annular flange 202 and is equipped with the spring, is equipped with the flange that stretches into in the inside upper end of lower adapter sleeve 102, and the spring that is located conical head 2 upper end is located between annular flange 202 and the flange that stretches into.
Wherein, the oil cleaning block 3 comprises a shell 301, an extension plate is arranged at the upper end of the inner side of the shell 301, the extension plate is connected with a spring connected with the inner wall of the shell 1, the shell 301 is arranged corresponding to the opening of the shell 1, the shell 301 is hollow, an opening is arranged at one side facing outwards, an outer guard plate 304 is arranged at the opening, a fixed sleeve 302 is arranged inside the shell 301, a connecting rod 303 is connected with the inner side of the outer guard plate 304, the other end of the connecting rod 304 is inserted into the fixed sleeve 302, the spring is connected inside the fixed sleeve 302, a rotating block 305 is rotatably arranged at the outer side of the outer guard plate 304, a convex edge is arranged at the outer side of the rotating block 305, the bottom of the shell 301 is arranged corresponding to the top inclined plane of the conical head 2, the connecting rope 6 is pulled to drive the conical head 2 to move upwards, so that the shell 301 can be pushed to move outwards through the top inclined plane of the conical head 2, and further the oil cleaning block 3 is pushed outwards, so that the rotating block 305 can be in full contact with the inner wall of the oil pipe, so that the dirt on the inner wall of the oil pipe can be removed, and when the connecting rope 6 is pulled upwards continuously, the shell 305 is in full contact with the inner wall of the oil pipe, so that the limit is performed.
The electromagnet 501 is arranged at the center inside the limiting plate 5, a piston groove is arranged on the outer side of the electromagnet 501 inside the limiting plate 5, a limiting rod 503 is arranged in the piston groove in a sliding mode, a spring is sleeved on the outer side of the limiting rod 503, one end, close to the electromagnet 501, of the limiting rod 503 is connected with a magnet 502, and the electromagnet 501 repels the magnet 502 after being electrified; when the electromagnet 501 is energized, the repulsive force of the electromagnet 501 pushes the magnet 502 to drive the limiting rod 503 to move outwards, so that the limiting rod 503 is clamped and fixed with the inner wall of the oil pipe, and the outer sleeve 1 can be stably fixed.
The use method of the tubing plug for oil exploitation comprises the following steps:
the method comprises the following steps: the outer sleeve 1 and the pressurized conical head 2 are driven to enter the oil pipe through the connecting rope 6;
step two: the electromagnet 502 is started, and then the magnet 502 is pushed to drive the limiting rod 503 to move outwards to clamp the oil pipe;
step three: pulling the connecting rope 6 to drive the conical head 2 to move towards the inside of the outer sleeve 1, and further pushing the oil cleaning block 3 to move outwards, so that the lower end of the outer sleeve 1 is clamped with the oil pipe;
step four: the connecting rope 6 is continuously pulled to fold the hinged plate 402 between the lower connecting sleeve 102 and the upper connecting sleeve 101, and the sealing element 4 forms a circular sealing ring by matching with the rubber sleeve 401, so that the oil pipe is blocked.
The working principle is as follows: during the use, through connecting that rope 6 drives overcoat 1 and the pressure cone head 2 removes along the oil pipe, the outside of outer casing 304 is rotatory piece 305 and the friction of oil pipe inner wall is clean, can make the dirt of oil pipe inner wall obtain cleanly, behind the position of shutoff, start electromagnet 502, and then promote magnet 502 and drive gag lever post 503 toward the outer removal and block oil pipe, rope 6 is connected in the pulling, it removes toward the outside of overcoat 1 to promote shell 301 through cone head 2, and then it is fixed to make shell 301 carry out the screens with the oil pipe inner wall, it is folding to continue to stimulate connection rope 6 and then make articulated slab 402 between lower adapter sleeve 102 and the last adapter sleeve 101, cooperation gum cover 401, make sealing member 4 form the circular shape sealing ring, and then with the oil pipe shutoff.

Claims (7)

1. The oil pipe plug for oil exploitation comprises an outer sleeve (1) and is characterized in that a conical head (2) is arranged at the lower end of the outer sleeve (1), a connecting rope (6) is arranged at the top of the conical head (2), the top of the outer sleeve (1) is connected with a limiting plate (5) through a spring, the connecting rope (6) sequentially penetrates through the outer sleeve (1) and the limiting plate (5) from bottom to top, a sealing element (4) is arranged on the outer side of the upper end of the outer sleeve (1), an elastic oil cleaning block (3) is arranged on the outer side of the lower end of the outer sleeve (1), and the connecting rope (6) pulls the conical head (2) to push the oil cleaning block (3) upwards to move outwards;
the outer sleeve (1) comprises an upper connecting sleeve (101) and a lower connecting sleeve (102), the sealing element (4) comprises a rubber sleeve (401) and a hinged plate (402), the hinged plate (402) movably arranged is arranged on the inner side between the upper connecting sleeve (101) and the lower connecting sleeve (102), and the rubber sleeve (401) is connected to the outer side between the upper connecting sleeve (101) and the lower connecting sleeve (102).
2. The tubing plug for oil extraction according to claim 1, wherein the lower end of the conical head (2) is provided with a head (201), the head (201) is positioned outside the casing (1), the upper end of the conical head (2) is provided with an annular flange (202), a buffer part (203) is arranged between the annular flanges (202), the top of the conical head (2) is provided with an inclined surface, and the upper end of the conical head (2) positioned on the annular flange (202) is sleeved with a spring.
3. The tubing plug for oil exploitation according to claim 1, wherein the clean oil block (3) comprises a housing (301), an extension plate is arranged at the upper end of the inner side of the housing (301), the extension plate is connected with a spring on the inner wall of the outer sleeve (1), the housing (301) is hollow, an opening is formed in one side facing outwards, an outer guard plate (304) is arranged at the opening, a fixed sleeve (302) is arranged inside the housing (301), a connecting rod (303) is connected to the inner side of the outer guard plate (304), the other end of the connecting rod (304) is inserted into the fixed sleeve (302), and the spring is connected inside the fixed sleeve (302).
4. Tubing plug for oil production according to claim 3, characterized in that the outer side of the outer shield (304) is rotatably provided with a rotating block (305), and the outer side of the rotating block (305) is provided with a rib.
5. Tubing plug for oil extraction according to claim 3, characterized in that the bottom of the housing (301) is provided with an inclined surface, the bottom of the housing (301) being arranged in correspondence with the inclined surface of the top of the cone head (2).
6. The oil pipe plug for oil exploitation according to claim 1, wherein an electromagnet (501) is disposed at the center inside the limiting plate (5), a piston groove is disposed inside the limiting plate (5) and located on the outer side of the electromagnet (501), a limiting rod (503) is slidably disposed in the piston groove, a spring is sleeved on the outer side of the limiting rod (503), the limiting rod (503) is connected with a magnet (502), and the electromagnet (501) repels the magnet (502) after being energized.
7. Use of the tubing plug for oil extraction according to any one of claims 1-6, comprising the steps of:
the method comprises the following steps: the outer sleeve (1) and the pressurized conical head (2) are driven to enter the oil pipe through the connecting rope (6);
step two: starting the electromagnet (502) to further push the magnet (502) to drive the limiting rod (503) to move outwards to clamp the oil pipe;
step three: the connecting rope (6) is pulled to drive the conical head (2) to move towards the inside of the outer sleeve (1), so that the oil cleaning block (3) is pushed to move outwards, and the lower end of the outer sleeve (1) is clamped with the oil pipe;
step four: and continuously pulling the connecting rope (6) to fold the hinged plate (402) between the lower connecting sleeve (102) and the upper connecting sleeve (101) to match with the rubber sleeve (401), so that the sealing element (4) forms a circular sealing ring to plug the oil pipe.
CN202210526321.XA 2022-05-16 2022-05-16 Oil pipe plug for oil exploitation and use method thereof Pending CN114961647A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210526321.XA CN114961647A (en) 2022-05-16 2022-05-16 Oil pipe plug for oil exploitation and use method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210526321.XA CN114961647A (en) 2022-05-16 2022-05-16 Oil pipe plug for oil exploitation and use method thereof

Publications (1)

Publication Number Publication Date
CN114961647A true CN114961647A (en) 2022-08-30

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ID=82982831

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210526321.XA Pending CN114961647A (en) 2022-05-16 2022-05-16 Oil pipe plug for oil exploitation and use method thereof

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Country Link
CN (1) CN114961647A (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB264355A (en) * 1926-03-08 1927-01-20 Paul Arbon Packer for oil wells
US5070942A (en) * 1990-09-05 1991-12-10 Cooper Industries, Inc. Well tubing hanger sealing assembly
US20040177967A1 (en) * 2003-03-10 2004-09-16 Hirth David E. Packer with integral cleaning device
CN2937463Y (en) * 2006-04-08 2007-08-22 中国石化股份胜利油田分公司采油工艺研究院 Controllable expansion packer
CN203655212U (en) * 2013-12-28 2014-06-18 牡丹江博实石油机械科技有限公司 Pressure-releasing type seal section
CN204113205U (en) * 2014-09-23 2015-01-21 中国石油天然气股份有限公司 Hinge type blanking plug capable of circulation
CN105239954A (en) * 2015-11-03 2016-01-13 江苏省金峰石油机械制造有限公司 Wire rope conveying type blanking plug
GB201709034D0 (en) * 2017-06-07 2017-07-19 Ardyne Tech Ltd Improvements in or relating to well abandonment
CN207296953U (en) * 2017-10-20 2018-05-01 联顺辉(天津)油田技术服务有限公司 A kind of oil/gas well blocking device
CN208267820U (en) * 2018-05-07 2018-12-21 中国海洋石油集团有限公司 A kind of blanking plug
CN113338836A (en) * 2021-08-02 2021-09-03 山东辛丁技术有限公司 Steel wire rope blanking plug for underwater production tree

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB264355A (en) * 1926-03-08 1927-01-20 Paul Arbon Packer for oil wells
US5070942A (en) * 1990-09-05 1991-12-10 Cooper Industries, Inc. Well tubing hanger sealing assembly
US20040177967A1 (en) * 2003-03-10 2004-09-16 Hirth David E. Packer with integral cleaning device
CN2937463Y (en) * 2006-04-08 2007-08-22 中国石化股份胜利油田分公司采油工艺研究院 Controllable expansion packer
CN203655212U (en) * 2013-12-28 2014-06-18 牡丹江博实石油机械科技有限公司 Pressure-releasing type seal section
CN204113205U (en) * 2014-09-23 2015-01-21 中国石油天然气股份有限公司 Hinge type blanking plug capable of circulation
CN105239954A (en) * 2015-11-03 2016-01-13 江苏省金峰石油机械制造有限公司 Wire rope conveying type blanking plug
GB201709034D0 (en) * 2017-06-07 2017-07-19 Ardyne Tech Ltd Improvements in or relating to well abandonment
CN207296953U (en) * 2017-10-20 2018-05-01 联顺辉(天津)油田技术服务有限公司 A kind of oil/gas well blocking device
CN208267820U (en) * 2018-05-07 2018-12-21 中国海洋石油集团有限公司 A kind of blanking plug
CN113338836A (en) * 2021-08-02 2021-09-03 山东辛丁技术有限公司 Steel wire rope blanking plug for underwater production tree

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