CN207363643U - A kind of blowout prevention draining instrument - Google Patents

A kind of blowout prevention draining instrument Download PDF

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Publication number
CN207363643U
CN207363643U CN201721420669.1U CN201721420669U CN207363643U CN 207363643 U CN207363643 U CN 207363643U CN 201721420669 U CN201721420669 U CN 201721420669U CN 207363643 U CN207363643 U CN 207363643U
Authority
CN
China
Prior art keywords
wall
main body
box cupling
piston
blowout prevention
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.)
Active
Application number
CN201721420669.1U
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Chinese (zh)
Inventor
朱玉军
鲁安然
杨振
卢晓辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FUXIN PETROLEUM TOOL WORKS
Original Assignee
FUXIN CHIYU PETROLEUM MACHINERY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CN201721420669.1U priority Critical patent/CN207363643U/en
Application granted granted Critical
Publication of CN207363643U publication Critical patent/CN207363643U/en
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Abstract

A kind of blowout prevention draining instrument, including main body, break key seat, piston, connection set and box cupling, it is characterised in that:Main body is vertically arranged, perpendicular to outer wall inserted with hollow shear pin on the upper end outer wall of main body, break the lower end for the first boss that key seat is installed in main body inner wall, piston is installed in the lower end for being located at breaking pin seat on the inner wall of main body, piston with break key seat and be fixedly connected by breaking pin, sealing shroud is installed on the inner wall of piston and opens up lock ring groove on the upper end inner wall of box cupling, lock ring is equiped with lock ring groove, between the upper end insertion piston and sealing shroud of box cupling necking section, the lower end outer wall of box cupling is fixedly connected with the lower end inner wall of main body, between the unclosed end insertion box cupling and sealing shroud of connection set.Blowout prevention draining unified collocation is according to bottom pressure selection blowout prevention function or selection oil draining function;Blowout prevention function is realized by being suppressed in oil pipe, and oil draining function is realized by caber in oil pipe.

Description

A kind of blowout prevention draining instrument
Technical field
The utility model belongs to oil and gas field downhole tool field, more particularly to a kind of to be suitable for being pressed according to shaft bottom during inspection pump Power selects blowout prevention or oil draining function, plays the blowout prevention draining instrument of safe and environment-friendly function.
Background technology
At present, there is single blowout prevention or draining performance with the supporting safety and environmental protection instrument of oil extraction pump used in home and abroad, But the influence of the measures such as the exploitation due to this well and perimeter well, water filling, acidifying, pressure break, profile control, bottom pressure can produce change, There are problems that two, first:Former borehole pressure is high, and the instrument that pump is connected to blowout prevention is gone into the well, and later stage bottom pressure is low, is not required to prevent Spray influences environmental protection, it is necessary to draining, is but unable to draining;Second:Former borehole pressure is low, and the instrument that pump is connected to draining is gone into the well, after Phase bottom pressure is high, it is impossible to which draining is but unable to blowout prevention, it is necessary to blowout prevention, need to use equipment availability with pressure, and operating cost is high.
Utility model content
The purpose of the utility model is to overcome above technical deficiency, there is provided a kind of to have the function of two kinds of blowout prevention and draining Instrument, blowout prevention or draining, safety and environmental protection are selected when examining pump according to borehole pressure.
The technical solution of use is:
A kind of blowout prevention draining instrument, including main body, break key seat, piston, connection set and box cupling, it is characterised in that:
Main body is vertically arranged, and main body is stairstepping tubulose, perpendicular to outer wall inserted with hollow on the upper end outer wall of main body Shear pin, breaks the lower end for the first boss that key seat is installed in main body inner wall, and piston is installed in be located on the inner wall of main body and breaks The lower end of key seat, piston with break key seat and be fixedly connected by breaking pin, sealing shroud is installed on the inner wall of piston, sealing The upper end outer wall of set is connected with the upper end inner thread of piston, and box cupling is stairstepping tubulose, is opened up on the upper end inner wall of box cupling Lock ring groove, is equiped with lock ring in lock ring groove, between the upper end insertion piston and sealing shroud of box cupling necking section, the lower end of box cupling Outer wall is fixedly connected with the lower end inner wall of main body, and sliding channel is formed between the lower end of box cupling necking section and the inner wall of main body, Connection set is the tubulose of one end closing, and nozzle opening is offered on the inner wall of connection set, connects the unclosed end insertion box cupling of set It is fixedly connected between sealing shroud and positioned at the lower end of lock ring groove, connection set with box cupling.Connect the lower end outer wall and box cupling of set Fuel injection passage is formed between lower end inner wall.
Blowout prevention draining tool work process:Blowout prevention, is suppressed in oil pipe, piston breaks breaking pin, with sealing shroud downlink, blocks The through hole of connector sleeve, while sealing shroud is locked with box cupling by lock;Draining, the interior input impact hammer of oil pipe, pounds disconnected hollow shear pin, oil Pipe is connected with oil jacket annular space.
Blowout prevention draining tool technique performance indicator:
Blowout prevention starts pressure:20—22MPa
Blowout prevention pressure:20MPa
Draining starts:40kg weight 2m high free-fallings can be cut.
Operating temperature:≤120℃;
It the advantage is that:Blowout prevention draining unified collocation has the function of two kinds of blowout prevention in pipe, draining, is selected according to bottom pressure Select blowout prevention function or selection oil draining function;Blowout prevention function is realized by being suppressed in oil pipe, and draining work(is realized by caber in oil pipe Energy.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Embodiment
A kind of blowout prevention draining instrument, including main body 1, break key seat 4, piston 5, connection set 8 and box cupling 9, it is characterised in that:
Main body 1 is vertically arranged, and main body 1 is stairstepping tubulose, free perpendicular to outer wall insertion on the upper end outer wall of main body 1 Heart shear pin 2, breaks the lower end for the first boss 10 that key seat 4 is installed on 1 inner wall of main body, and piston 5 is installed on the inner wall of main body 1 Positioned at the lower end for breaking key seat 4, piston 5 with break key seat 4 and be fixedly connected by breaking pin 3, sealing shroud 7 is installed in piston On 5 inner wall, the upper end outer wall of sealing shroud 7 is connected with the upper end inner thread of piston 5, and box cupling 9 is stairstepping tubulose, in box cupling Lock ring groove 13 is opened up on 9 upper end inner wall, lock ring 6, the upper end insertion piston of 9 necking section of box cupling are equiped with lock ring groove 13 Between 5 and sealing shroud 7, the lower end outer wall of box cupling 9 is fixedly connected with the lower end inner wall of main body 1, the lower end of 9 necking section of box cupling and Sliding channel 14 is formed between the inner wall of main body 1, connection set 8 is the tubulose of one end closing, is offered on the inner wall of connection set 8 Nozzle opening 11, between the unclosed end insertion box cupling 9 and sealing shroud 7 of connection set 8 and positioned at the lower end of lock ring groove 13, connection set 8 It is fixedly connected with box cupling 9.Fuel injection passage 12 is formed between the lower end outer wall of connection set 8 and the lower end inner wall of box cupling 9.

Claims (1)

1. a kind of blowout prevention draining instrument, including main body (1), key seat (4), piston (5), connection set (8) and box cupling (9) are broken, its It is characterized in that:
Main body (1) is vertically arranged, and main body (1) is stairstepping tubulose, on the upper end outer wall of main body (1) perpendicular to outer wall inserted with Hollow shear pin (2), breaks the lower end for the first boss (10) that key seat (4) is installed on main body (1) inner wall, and piston (5) is installed in It is located at the lower end of breaking pin seat (4) on the inner wall of main body (1), in piston (5) and breaks key seat (4) by breaking pin (3) admittedly Fixed connection, sealing shroud (7) are installed on the inner wall of piston (5), the upper end outer wall of sealing shroud (7) and the upper end inner wall of piston (5) It is threadedly coupled, box cupling (9) is stairstepping tubulose, lock ring groove (13) is opened up on the upper end inner wall of box cupling (9), in lock ring groove (13) Lock ring (6) is inside equiped with, between the upper end insertion piston (5) and sealing shroud (7) of box cupling (9) necking section, the lower end of box cupling (9) Outer wall is fixedly connected with the lower end inner wall of main body (1), is formed between the lower end of box cupling (9) necking section and the inner wall of main body (1) Sliding channel (14), connection set (8) are the tubulose of one end closing, offer nozzle opening (11) on the inner wall of connection set (8), even Between the unclosed end insertion box cupling (9) and sealing shroud (7) of logical set (8) and positioned at the lower end of lock ring groove (13), connection cover (8) and Box cupling (9) is fixedly connected;Fuel injection passage (12) is formed between the lower end outer wall of connection set (8) and the lower end inner wall of box cupling (9).
CN201721420669.1U 2017-10-31 2017-10-31 A kind of blowout prevention draining instrument Active CN207363643U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721420669.1U CN207363643U (en) 2017-10-31 2017-10-31 A kind of blowout prevention draining instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721420669.1U CN207363643U (en) 2017-10-31 2017-10-31 A kind of blowout prevention draining instrument

Publications (1)

Publication Number Publication Date
CN207363643U true CN207363643U (en) 2018-05-15

Family

ID=62344607

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721420669.1U Active CN207363643U (en) 2017-10-31 2017-10-31 A kind of blowout prevention draining instrument

Country Status (1)

Country Link
CN (1) CN207363643U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110080720A (en) * 2019-05-24 2019-08-02 盐城市弘通石油机械有限公司 A kind of balanced type shock blowout control drip

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110080720A (en) * 2019-05-24 2019-08-02 盐城市弘通石油机械有限公司 A kind of balanced type shock blowout control drip
CN110080720B (en) * 2019-05-24 2023-09-26 盐城市弘通石油机械有限公司 Balanced type impact blowout prevention oil drainage device

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GR01 Patent grant
GR01 Patent grant
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TR01 Transfer of patent right

Effective date of registration: 20210802

Address after: 123000 No. 1, Huadong street, Fuxin high tech Industrial Development Zone, Fuxin City, Liaoning Province

Patentee after: FUXIN PETROLEUM TOOL WORKS

Address before: 123000 No. 1, Huadong street, high tech Industrial Park, Fuxin City, Liaoning Province

Patentee before: FUXIN CHIYU PETROLEUM MACHINERY Co.,Ltd.