CN208502717U - A kind of reducing pressure test plug - Google Patents
A kind of reducing pressure test plug Download PDFInfo
- Publication number
- CN208502717U CN208502717U CN201821017877.1U CN201821017877U CN208502717U CN 208502717 U CN208502717 U CN 208502717U CN 201821017877 U CN201821017877 U CN 201821017877U CN 208502717 U CN208502717 U CN 208502717U
- Authority
- CN
- China
- Prior art keywords
- reducing
- core
- pressure testing
- plug body
- testing plug
- 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
Links
Landscapes
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model discloses a kind of reducing pressure test plugs, including pressure testing plug body, sealing silk plug, reducing to mend core；Pressure testing plug body is definite value outer diameter pressure testing plug structure；Central shaft hole is provided in pressure testing plug body；Sealing silk plug is installed in the upper end of central shaft hole；It is in sleeve-shaped structure that reducing, which mends core, is arranged and is installed on outside pressure testing plug body；It is mended in pressure testing plug body and reducing and is provided with dovetail shape sealing ring between core；The dovetail annular groove with the cooperation of dovetail shape sealing ring is provided in pressure testing plug body；Dovetail shape sealing ring is installed in dovetail annular groove, and reducing mends core and dovetail shape sealing ring is interference fitted；It mends to be arranged on outer core in reducing and O-ring seals is installed.The utility model is simple and reasonable, and the structure of core is mended using the pressure test plug body fits reducing of definite value outer diameter, the outer dimension and processing quantity of pressure testing plug body is substantially reduced, saves raw material, while reducing shipping quantity, reduce transport power cost.
Description
Technical field
The utility model relates to field of fixtures more particularly to a kind of reducing pressure test plugs.
Background technique
In order to ensure the safety of oil well, customary experiments of sealing performance must be made before casing installation.Experiments of sealing performance is first
At casing both ends to be checked, nozzle fills in dress pressure test plug respectively, and the pressure test plug of compression is matched by ring outer wall sealing structure and internal surface of sleeve pipe sealing
It closes.Pressure test plug becomes essential tool in drilling process.Conventional pressure test plug is casing head, the four-way junction of casing according to well head
And tubing head internal diameter and design, up to tens of kinds of the 6A flange inner diameter of standard, the well head of complete set usually there will be 3 to 4
The four-way internal diameter of a even more specifications, thus matched pressure test plug needs to do much more corresponding specification, increase operating cost and
Transport power brings big inconvenience to oil well operation.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of reducing pressure test plug, in the prior art
Deficiency, by using the pressure testing plug body of definite value outer diameter, cooperation is set in the external reducing of pressure test plug sheet and mends core, to improve examination
The suitability of tamponade solves and carries out oil well seal tightness test, needs much more corresponding specification pressure test plug, there are operating cost height and
The problem of transport power demand is big, brings big inconvenience to oil well operation.
In order to achieve the above objectives, the technical solution of the utility model is as follows: a kind of reducing pressure test plug, including pressure test plug sheet
Body, sealing silk plug, reducing mend core；The pressure testing plug body is definite value outer diameter pressure testing plug structure；In the pressure testing plug body
It is provided with central shaft hole；The sealing silk plug is installed in the upper end of the central shaft hole；It is in sleeve-shaped that the reducing, which mends core,
Structure is arranged and is installed on outside the pressure testing plug body；It is mended in the pressure testing plug body and the reducing and is provided with swallow between core
Tail shape sealing ring；The dovetail annular groove with dovetail shape sealing ring cooperation is provided in the pressure testing plug body；The swallow
Tail shape sealing ring is installed in the dovetail annular groove, and the reducing mends core and the dovetail shape sealing ring is interference fitted；?
The reducing, which is mended to be arranged on outer core, is equipped with O-ring seals.
As a kind of preferred embodiment of the utility model, the O-ring seals are two, along the reducing mend mandrel to
Arrangement, is spaced apart from each other setting.
As a kind of preferred embodiment of the utility model, bolt hole is provided on the outer wall of the pressure testing plug body；Institute
Bolt hole is stated to be arranged radially along the pressure testing plug body；It is mended in the reducing and interior six point cylindrical head bolt is installed on core；Institute
Interior six point cylindrical head bolt is stated to fix across reducing benefit core with the bolt hole.
As a kind of preferred embodiment of the utility model, the interior six point cylindrical head bolt be it is multiple, around described variable
Diameter mends the setting of core uniform intervals.
As a kind of preferred embodiment of the utility model, the reducing mends core inner along axial direction and successively includes from top to bottom
Cylindrical tube hole section peace tip circle Taper Pipe hole section.
Through the above technical solutions, the beneficial effect of technical solutions of the utility model is: the utility model structure is simply closed
Reason is mended the structure of core using the pressure test plug body fits reducing of definite value outer diameter, improves the suitability of pressure testing plug body, significantly
Cost and transport power are saved, the outer diameter that reducing mends core carries out corresponding matched specification according to the bore specification of well head, this
Utility model substantially reduces the outer dimension and processing quantity of pressure test plug, saves raw material, while reducing shipping quantity,
Reduce transport power cost.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Number and corresponding component title represented by letter in figure:
1. pressure testing plug body 2. seals 3. reducing of silk plug and mends core
4. six point cylindrical head bolt in dovetail shape sealing ring 5.O shape sealing ring 6..
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
In conjunction with Fig. 1, the utility model provides a kind of reducing pressure test plug, is used for wellhead sealing performance test.Pressure test plug
It is the essential drilling tool in drilling process, complete one layer of casing requires pressure test plug pressure testing under every.Various specifications
Casing head or four-way junction of casing inner diameter values determine pressure test plug outer diameter need it is changeable.The utility model is traditional monoblock type
The pressure testing plug body 1 that pressure test plug is changed to a definite value outer diameter cooperates reducing to mend core 3, to improve its suitability.This is practical new
Type mainly includes pressure testing plug body 1, sealing silk plug 2, reducing benefit core 3.The pressure testing plug body 1 is definite value outer diameter pressure test plug knot
Structure；Central shaft hole is provided in the pressure testing plug body 1；The sealing silk plug 2 is installed in the upper end of the central shaft hole.
It is in sleeve-shaped structure that the reducing, which mends core 3, is arranged and is installed on outside the pressure testing plug body 1.In order to improve pressure testing plug body 1 with
Reducing mends the sealing performance between core 3, mends in the pressure testing plug body 1 and the reducing and is provided with swallow-tail form between core 3
Sealing ring 4.Specifically, being provided with the dovetail annular groove with the dovetail shape sealing ring 4 cooperation in the pressure testing plug body 1.
The dovetail shape sealing ring 4 is installed in the dovetail annular groove, and the reducing mends core 3 and 4 mistake of dovetail shape sealing ring
It is full of cooperation.It mends to be arranged on 3 outer wall of core in the reducing and O-ring seals 5 is installed.Preferably, the O-ring seals 5 are two
It is a, 3 axial alignment of core is mended along the reducing, is spaced apart from each other setting.
In order to improve the bonding strength between pressure testing plug body 1 and reducing benefit core 3, in the outer of the pressure testing plug body 1
Bolt hole is provided on wall.The bolt hole is arranged radially along the pressure testing plug body 1；It mends in the reducing and is installed on core 3
There is interior six point cylindrical head bolt 6.The interior six point cylindrical head bolt 6 passes through reducing benefit core 3 and fixes with the bolt hole.
Preferably, the interior six point cylindrical head bolt 6 is multiple, mends the setting of 3 uniform intervals of core around the reducing.
The cooperation precision of core 3 is mended in order to improve pressure testing plug body 1 and reducing, the reducing mends core 3 axially inside
It from top to bottom successively include cylindrical tube hole section peace tip circle Taper Pipe hole section.
By above-mentioned specific embodiment, the beneficial effects of the utility model are: the utility model fills in traditional pressure testing
Row improves, when the pressure test plug for traditional monoblock type pressure test plug being changed to a definite value outer diameter cooperates reducing to mend core 3, set of well
No matter mouthful what specification, all only needs a pressure testing plug body 1, cost and transport power is greatly saved.And reducing mends the outer of core 3
Diameter carries out corresponding matched specification according to the bore specification of well head.What it is due to pressure testing plug body 1 can be with reusing
The sealing performance for guaranteeing each pressure testing needs to make spare part with additional dovetail shape sealing ring 4.Generally, the utility model is big
The outer dimension and processing quantity for reducing pressure test plug greatly, save raw material, while reducing shipping quantity, reduce transport power
Cost.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (5)
1. a kind of reducing pressure test plug, which is characterized in that mend core including pressure testing plug body, sealing silk plug, reducing；The pressure testing
Plug body is definite value outer diameter pressure testing plug structure；Central shaft hole is provided in the pressure testing plug body；In the central shaft hole
Upper end is equipped with the sealing silk plug；It is in sleeve-shaped structure that the reducing, which mends core, is arranged and is installed on outside the pressure testing plug body；
It is mended in the pressure testing plug body and the reducing and is provided with dovetail shape sealing ring between core；It is arranged in the pressure testing plug body
There is the dovetail annular groove with dovetail shape sealing ring cooperation；The dovetail shape sealing ring is installed in the dovetail annular groove,
The reducing mends core and the dovetail shape sealing ring is interference fitted；It mends to be arranged on outer core in the reducing and O shape is installed
Sealing ring.
2. reducing pressure test plug according to claim 1, which is characterized in that the O-ring seals be two, along it is described can
Variable diameter mends core axial alignment, is spaced apart from each other setting.
3. reducing pressure test plug according to claim 2, which is characterized in that be arranged on the outer wall of the pressure testing plug body
There is bolt hole；The bolt hole is arranged radially along the pressure testing plug body；It is mended in the reducing and interior hexagonal circle is installed on core
Stud bolt；The interior six point cylindrical head bolt passes through reducing benefit core and fixes with the bolt hole.
4. reducing pressure test plug according to claim 3, which is characterized in that the interior six point cylindrical head bolt be it is multiple,
The setting of core uniform intervals is mended around the reducing.
5. reducing pressure test plug according to claim 3, which is characterized in that the reducing mends core inner along axial direction from upper
Arriving down successively includes cylindrical tube hole section peace tip circle Taper Pipe hole section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821017877.1U CN208502717U (en) | 2018-06-29 | 2018-06-29 | A kind of reducing pressure test plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821017877.1U CN208502717U (en) | 2018-06-29 | 2018-06-29 | A kind of reducing pressure test plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208502717U true CN208502717U (en) | 2019-02-15 |
Family
ID=65281759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821017877.1U Active CN208502717U (en) | 2018-06-29 | 2018-06-29 | A kind of reducing pressure test plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208502717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630206A (en) * | 2019-09-28 | 2019-12-31 | 中海油能源发展股份有限公司 | Convenient to use's multi-functional pressure test stopper |
-
2018
- 2018-06-29 CN CN201821017877.1U patent/CN208502717U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630206A (en) * | 2019-09-28 | 2019-12-31 | 中海油能源发展股份有限公司 | Convenient to use's multi-functional pressure test stopper |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207316310U (en) | A kind of joint for plastic tube device | |
| CN208502717U (en) | A kind of reducing pressure test plug | |
| CN107387026A (en) | A kind of underwater well head tripping in instrument | |
| CN103573212A (en) | Composite casing pipe split type rubber plug device well cementing | |
| CN209605793U (en) | A kind of hydraulic buckling mandrel | |
| CN210714497U (en) | Double-layer combined sleeve | |
| CN206668209U (en) | Horizontal well drilling liner cementing plug | |
| CN103629387A (en) | Large-caliber upwardly-installed fixed ball valve | |
| CN104373111B (en) | A kind of logger righting plug | |
| CN205244701U (en) | Effective quick -operation joint of grain sample | |
| CN208587112U (en) | A kind of casing thread connection of multi-sealed hook-type screw thread | |
| CN204899838U (en) | Compound bridging plug of ball cage | |
| CN209014264U (en) | Compression testing device in a kind of Novel cylinder body | |
| CN208203691U (en) | A kind of screw thread inserting type hydraulic high-pressure shuttle valve structure | |
| CN209799880U (en) | inside and outside thermal-insulated directly links type heat-insulated oil pipe | |
| CN209430920U (en) | A kind of pressure piping attachment device | |
| CN207373103U (en) | A kind of push rod of the freely adjustable length of Mine pit survey | |
| CN207420528U (en) | A kind of new oil tube head conversion connector | |
| CN204239927U (en) | The steam inlet tube of textile industry | |
| CN207245677U (en) | A kind of underwater well head tripping in instrument | |
| CN201184206Y (en) | Complete valve barrel splash-proof three-purpose valve | |
| CN205640001U (en) | A elasticity sealing washer for plastic check well | |
| CN217206329U (en) | High-air-tightness heat insulation pipe with special buckle | |
| CN219242345U (en) | Piston rod and piston connecting structure | |
| CN221053674U (en) | Balanced pressure assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |