CN205591872U - Oil gas well oil pipe blanking plug subassembly - Google Patents
Oil gas well oil pipe blanking plug subassembly Download PDFInfo
- Publication number
- CN205591872U CN205591872U CN201620414302.8U CN201620414302U CN205591872U CN 205591872 U CN205591872 U CN 205591872U CN 201620414302 U CN201620414302 U CN 201620414302U CN 205591872 U CN205591872 U CN 205591872U
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- CN
- China
- Prior art keywords
- blanking plug
- oil
- slips
- gas well
- spring
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Abstract
The utility model relates to an oil gas well oil pipe blanking plug subassembly, give up ware body and blanking plug body including mutually supporting set up the three -jaw cutting ferrule on the ware body of giving up, be provided with the slips with three -jaw cutting ferrule matched with on the blanking plug body, and the three -jaw cutting ferrule is stung the merge pass shearing pin nail each other with the slips and is connected, the ware of giving up is the internal center wire of being provided with pole originally, and center wire pole outside suit outer union, outer union extend the position and set up main dabber near blanking plug body one end, and this internal position relative with the center wire pole of blanking plug sets up the spring dabber, assembly expansion loop outside the spring spindle suit compression spring, compression spring, and the slips is assembled in the expansion loop outside. The utility model provides a jam problem in the oil pipe, realized that the operation is pressed in the area in the pit, avoid environmental pollution, eliminate the potential safety hazard.
Description
Technical field
This utility model relates to Oil/gas Well well workover technology field, particularly to a kind of Oil/gas Well tubing plug assembly.
Background technology
When Oil/gas Well carries out underground work, if there is pressure down-hole, it usually needs first carry out kill-job or open flow blood pressure lowering processes.For kill-job operation, in operation process, well killing fluid produces precipitation in Well Killing Process and pollutes shaft bottom, part the most also can block gas channel along hole or infiltration stratum, crack, pollutes payzone near shaft bottom, affect stratum penetrating power, ultimately cause the minimizing of yield and reduce recovery ratio；For low pressure oil gas well, after operation, difficulty discharged by well killing fluid, even kills payzone injury by well more greatly；For open flow operation, not only environmental requirement does not allows, and Local Layer pressure also can be made to reduce, and cause ground pollution.Therefore, the Operating Pressure measure of no killing well not open flow is increasingly paid attention to by each oil field and promotes.
Along with raising and the development need in oil field of oil field production technology process, down-hole Operating Pressure technology and Operating Pressure equipment have become oil field protecting field stressor layer, have not polluted stratum, do not pollute ground and realize the important means that oil field stably increases production.First have to, when using the method for Operating Pressure, the problem at two that solves: one is the sealing of the annular space of tubing and casing, and two is the blockage problem in oil pipe.For the sealing problem of annular space, prior art is the most ripe, and for blockage problem in oil pipe, because downhole tool is complicated and changeable, adds the series of problems such as wax deposition fouling and Guan Bianguan leakage in oil pipe, is difficult to there is a kind of perfectly sound sealing way.
For above-mentioned technical problem, my company through long-time Field Research, a kind of Oil/gas Well tubing plug assembly of design, solve blockage problem in oil pipe, it is achieved down-hole Operating Pressure, it is to avoid environmental pollution, eliminate safe hidden trouble.
Utility model content
The purpose of this utility model is, for above-mentioned technical disadvantages present in existing Oil/gas Well operation process, and a kind of Oil/gas Well tubing plug assembly of design, solve blockage problem in oil pipe, it is achieved down-hole Operating Pressure, it is to avoid environmental pollution, eliminate safe hidden trouble.
This utility model is achieved through the following technical solutions:
A kind of Oil/gas Well tubing plug assembly, it is characterized in that, structure includes dropper body (1) and the blanking plug body (2) cooperated, on described dropper body (1), three-jaw cutting ferrule (16) is set, being provided with the slips (29) matched with three-jaw cutting ferrule (16) on blanking plug body (2), three-jaw cutting ferrule (16) is mutually twisted with slips (29) and passes through shear pin (3) and is connected；
It is provided with center screw mandrel (11) in described dropper body (1), center screw mandrel (11) outside suit coupling (12), coupling (12) extending part arranges main mandrel (15) near blanking plug body (2) one end, coupling (12) is engaged with main mandrel (15), coupling (12) and main mandrel (15) outer sheath are installed axle (13), axis (13) outer sheath dress adapter sleeve (14)；
The relative position of described blanking plug body (2) Nei Yu center screw mandrel (11) arranges central spindle of the spring (21), compression spring (22) it is set with on central spindle of the spring (21), compression spring (22) end arranges spring stop piece (23) away from dropper body (1) side, spring stop piece (23) rear end arranges chock plug (24), chock plug (24) outside assembling taper top guide (25), fastening key (26), taper top guide (25) end assembling block head (27) is increased between taper top guide (25) and chock plug (24)；
Described compression spring (22) outside assembling expansion loop (28), expansion loop (28) outside assembling slips (29).
Further, described main mandrel (15) is positioned at the place that main mandrel (15) connects with center screw mandrel (11) and the first locking pin (1501) is set.
Further, described expansion loop (28) is positioned at expansion loop (28) position relative with compression spring (22) and the second locking pin (2901) is set.
Further, described center screw mandrel (11) front end arranges hexagonal female thread (1101).
Beneficial effect
The beneficial effects of the utility model are: this utility model utilizes the counteracting force that compression spring (22) produces, pull taper top guide (25) to mobile near dropper body (1), then expansion loop (28) is promoted to expand, extruding slips of the expansion loop (28) after expanding (29) is utilized to open, slips (29) is engaged with tube inner wall, thus blanking plug body (2) is fixed, then proceed to Shang Ti center screw mandrel (11), shear pin (3) ruptures, dropper body (1) separates with blanking plug body (2), take out dropper body (1), blanking plug body (2) is stayed in oil pipe, complete oil-line plugging, this kind of blocking mode, solve blockage problem in oil pipe, achieve down-hole Operating Pressure, avoid environmental pollution, eliminate potential safety hazard.
Accompanying drawing explanation
Fig. 1 is this utility model Oil/gas Well tubing plug modular construction schematic diagram.
Detailed description of the invention
Refering to accompanying drawing 1, this utility model is described further.
This utility model relates to a kind of Oil/gas Well tubing plug assembly, it is characterized in that, structure includes dropper body (1) and the blanking plug body (2) cooperated, on described dropper body (1), three-jaw cutting ferrule (16) is set, being provided with the slips (29) matched with three-jaw cutting ferrule (16) on blanking plug body (2), three-jaw cutting ferrule (16) is mutually twisted with slips (29) and passes through shear pin (3) and is connected；
It is provided with center screw mandrel (11) in described dropper body (1), center screw mandrel (11) outside suit coupling (12), coupling (12) extending part arranges main mandrel (15) near blanking plug body (2) one end, coupling (12) is engaged with main mandrel (15), coupling (12) and main mandrel (15) outer sheath are installed axle (13), axis (13) outer sheath dress adapter sleeve (14)；
The relative position of described blanking plug body (2) Nei Yu center screw mandrel (11) arranges central spindle of the spring (21), compression spring (22) it is set with on central spindle of the spring (21), compression spring (22) end arranges spring stop piece (23) away from dropper body (1) side, spring stop piece (23) rear end arranges chock plug (24), chock plug (24) outside assembling taper top guide (25), fastening key (26), taper top guide (25) end assembling block head (27) is increased between taper top guide (25) and chock plug (24)；
Described compression spring (22) outside assembling expansion loop (28), expansion loop (28) outside assembling slips (29).
Preferably as improvement, described main mandrel (15) is positioned at the place that main mandrel (15) connects with center screw mandrel (11) the first locking pin (1501) is set.
Preferably as improvement, described expansion loop (28) is positioned at expansion loop (28) position relative with compression spring (22) the second locking pin (2901) is set.
Preferably as improvement, screw mandrel (11) front end, described center arranges hexagonal female thread (1101).
Compared with prior art, this utility model utilizes the counteracting force that compression spring (22) produces, pull taper top guide (25) to mobile near dropper body (1), then expansion loop (28) is promoted to expand, extruding slips of the expansion loop (28) after expanding (29) is utilized to open, slips (29) is engaged with tube inner wall, thus blanking plug body (2) is fixed, then proceed to Shang Ti center screw mandrel (11), shear pin (3) ruptures, dropper body (1) separates with blanking plug body (2), take out dropper body (1), blanking plug body (2) is stayed in oil pipe, complete oil-line plugging, this kind of blocking mode, solve blockage problem in oil pipe, achieve down-hole Operating Pressure, avoid environmental pollution, eliminate potential safety hazard.
nullThis utility model is in use，First compression spring is compressed，Then blanking plug body (2) assembling it is sequentially completed、Dropper body (1)，And dropper body (1) assembles with blanking plug body (2)，Relevant interior appointment position will be put under Oil/gas Well tubing plug assembly after assembling，Then，Center of rotation screw mandrel (11)，Utilize the counteracting force that compression spring (22) reset produces，Pull taper top guide (25) to mobile near dropper body (1)，Then expansion loop (28) is promoted to expand，Extruding slips of the expansion loop (28) after expanding (29) is utilized to open，Slips (29) is engaged with tube inner wall，Thus blanking plug body (2) is fixed，Then proceed to Shang Ti center screw mandrel (11)，Shear pin (3) ruptures，Dropper body (1) separates with blanking plug body (2)，Take out dropper body (1)，Blanking plug body (2) is stayed in oil pipe，Complete oil-line plugging.
The above; it is only this utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; conceive equivalent or change in addition according to the technical solution of the utility model and utility model thereof, all should contain within protection domain of the present utility model.
Claims (4)
1. an Oil/gas Well tubing plug assembly, it is characterized in that, structure includes dropper body (1) and the blanking plug body (2) cooperated, on described dropper body (1), three-jaw cutting ferrule (16) is set, being provided with the slips (29) matched with three-jaw cutting ferrule (16) on blanking plug body (2), three-jaw cutting ferrule (16) is mutually twisted with slips (29) and passes through shear pin (3) and is connected；
It is provided with center screw mandrel (11) in described dropper body (1), center screw mandrel (11) outside suit coupling (12), coupling (12) extending part arranges main mandrel (15) near blanking plug body (2) one end, coupling (12) is engaged with main mandrel (15), coupling (12) and main mandrel (15) outer sheath are installed axle (13), axis (13) outer sheath dress adapter sleeve (14)；
The relative position of described blanking plug body (2) Nei Yu center screw mandrel (11) arranges central spindle of the spring (21), compression spring (22) it is set with on central spindle of the spring (21), compression spring (22) end arranges spring stop piece (23) away from dropper body (1) side, spring stop piece (23) rear end arranges chock plug (24), chock plug (24) outside assembling taper top guide (25), fastening key (26), taper top guide (25) end assembling block head (27) is increased between taper top guide (25) and chock plug (24)；
Described compression spring (22) outside assembling expansion loop (28), expansion loop (28) outside assembling slips (29).
Oil/gas Well tubing plug assembly the most according to claim 1, it is characterised in that be positioned at the place that main mandrel (15) connects with center screw mandrel (11) on described main mandrel (15) and the first locking pin (1501) is set.
Oil/gas Well tubing plug assembly the most according to claim 1, it is characterised in that be positioned at expansion loop (28) position relative with compression spring (22) on described expansion loop (28) and the second locking pin (2901) is set.
Oil/gas Well tubing plug assembly the most according to claim 1, it is characterised in that screw mandrel (11) front end, described center arranges hexagonal female thread (1101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620414302.8U CN205591872U (en) | 2016-05-10 | 2016-05-10 | Oil gas well oil pipe blanking plug subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620414302.8U CN205591872U (en) | 2016-05-10 | 2016-05-10 | Oil gas well oil pipe blanking plug subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205591872U true CN205591872U (en) | 2016-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620414302.8U Expired - Fee Related CN205591872U (en) | 2016-05-10 | 2016-05-10 | Oil gas well oil pipe blanking plug subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205591872U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101824A (en) * | 2021-05-21 | 2021-07-13 | 申树林 | Mixed mixer of polyurethane adhesive production |
-
2016
- 2016-05-10 CN CN201620414302.8U patent/CN205591872U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101824A (en) * | 2021-05-21 | 2021-07-13 | 申树林 | Mixed mixer of polyurethane adhesive production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 Termination date: 20190510 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |