CN207348818U - A kind of resistance oil nozzle sleeve pressure testing plug - Google Patents
A kind of resistance oil nozzle sleeve pressure testing plug Download PDFInfo
- Publication number
- CN207348818U CN207348818U CN201721411357.4U CN201721411357U CN207348818U CN 207348818 U CN207348818 U CN 207348818U CN 201721411357 U CN201721411357 U CN 201721411357U CN 207348818 U CN207348818 U CN 207348818U
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- China
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- pressure testing
- oil nozzle
- testing plug
- nozzle sleeve
- resistance oil
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Abstract
The utility model discloses a kind of resistance oil nozzle sleeve pressure testing plug, it is integrally formed, including connected bottom (11), middle part (12), top (13), the top (13) of pressure testing plug (1) is in cross, middle part (12) is in cylinder, bottom (11) is in cone, pressure testing plug (1) is connected by the external screw thread that bottom is set with the internal thread of resistance oil nozzle sleeve, top is connected with pressure source, to realize to resistance oil nozzle sleeve and resistance oil nozzle sleeve and the pressure testing of tubing head or production tree both wings thread flange junction.A kind of resistance oil nozzle sleeve pressure testing plug of the utility model, is connected by pressure testing plug with resistance oil nozzle sleeve, is solved resistance oil nozzle sleeve and tubing head and the high-level pressure testing demand of production tree both wings thread flange junction, is reduced the weak spot in production process；Reduce well control risk present in later stage production and operation process, it is ensured that the well control safety of producing well.
Description
Technical field
It the utility model is related to oil equipment, more particularly to a kind of resistance oil nozzle sleeve pressure testing plug.
Background technology
At present, carrying out pressure testing to tubing head and production tree both wings in the producing well of many Oil Fields need to be by the oil nozzle of connection
After set is sent into VR pressure testings blind plugging (VR pressure testings blind plugging can not pass through resistance oil nozzle sleeve) after removing, installed on thread flange pressure testing plug,
Pressure testing (35MPa, 70MPa rank) is carried out behind cut-in pressure source.But resistance oil nozzle sleeve and tubing head or production tree both wings flange screw thread
Junction pressure testing need to close valve on the outside of tubing head or production tree, carry out pressure testing to whole flow process using pump truck.Because rear flow is held
Force down, can only carry out 15MPa pressure rank pressure testings.
Therefore, in later stage reacting cycle kill-job and production process there is weakness in resistance oil nozzle sleeve with production tree flange screw thread junction
Link, if junction thorn leakage can cause serious security incident and huge economic loss.
The content of the invention
The purpose of this utility model is to provide one kind disclosure satisfy that resistance oil nozzle sleeve and tubing head and production tree both wings screw thread method
The resistance oil nozzle sleeve pressure testing plug of the high-level pressure testing demand of blue junction.
To achieve the above object, a kind of concrete technical scheme of resistance oil nozzle sleeve pressure testing plug of the utility model is：
A kind of resistance oil nozzle sleeve pressure testing plug, is integrally formed, including connected bottom, middle part, top, the top of pressure testing plug
In cross, middle part is in cylinder, and bottom is in cone, the external screw thread and the interior spiral shell of resistance oil nozzle sleeve that pressure testing plug is set by bottom
Line is connected, and top is connected with pressure source, and resistance oil nozzle sleeve and resistance oil nozzle sleeve are connected with tubing head or production tree both wings thread flange with realizing
Connect the pressure testing at place.
Further, the total height of pressure testing plug is 490-500mm, grade of steel 35CrMo, pressure-bearing rank 70MPa.
Further, it is 45-47mm in the bottom level of the pressure testing plug of cone, there is the bottom surface of maximum outside diameter close to examination
Press the middle part of plug to set, there is middle part of the top surface of minimum outer diameter away from pressure testing plug to set, maximum outside diameter 48-49mm,
Minimum outer diameter is 46-47mm.
Further, the minimum outer diameter of the bottom of pressure testing plug, height are less than in the middle part outside diameter of the pressure testing plug of cylinder
For 398-402mm.
Further, the first cylinder and the second cylinder, the first cylinder are included in the top of criss-cross pressure testing plug
It is arranged between the middle part of external screw thread and pressure testing plug, the outside diameter of cylinder is more than the outside diameter at the middle part of pressure testing plug, and outside diameter is
535-537mm。
Further, the second cylinder is set away from middle part, is provided with threaded hole at the top of the second cylinder, threaded hole it is interior
Footpath is 14-17mm.
Further, the inside of pressure testing plug is provided with venting channels along center line.
A kind of the advantages of resistance oil nozzle sleeve pressure testing plug of the utility model, is：
1) it is connected by pressure testing plug with resistance oil nozzle sleeve, solves resistance oil nozzle sleeve and connect with tubing head and production tree both wings thread flange
The high-level pressure testing demand at place is connect, reduces the weak spot in production process；
2) pressure test pressure can reach 70MPa, and voltage stabilizing 30min pressure is not dropped, worked well, and reduce later stage production and make
Existing well control risk during industry, it is ensured that the well control safety of producing well.
Brief description of the drawings
Fig. 1 is the structure diagram of the resistance oil nozzle sleeve pressure testing plug of the utility model.
Embodiment
In order to be better understood by the purpose of this utility model, structure and function, below in conjunction with the accompanying drawings, to the utility model
A kind of resistance oil nozzle sleeve pressure testing plug does further detailed description.
As shown in Figure 1, it is shown as a kind of resistance oil nozzle sleeve pressure testing plug 1 of the utility model, it is integrally formed, including bottom
11st, middle part 12, top 13, the top 13 of pressure testing plug 1 is in cross, and middle part 12 is in cylinder, and bottom 11 is in cone, pressure testing
Plug 1 is connected by the external screw thread that bottom is set with the internal thread of resistance oil nozzle sleeve, and top is connected with pressure source, is closed tubing head or is adopted
After oil sets outer side gate, the resistance oil nozzle sleeve pressure testing plug of pressure source and the utility model is connected, to realize to resistance oil nozzle sleeve and oil nozzle
Set and the pressure testing of tubing head or production tree both wings thread flange junction.
Further, the total height of pressure testing plug 1 is 490-500mm (preferably 496mm), grade of steel 35CrMo, pressure-bearing rank
70MPa.Wherein, it is 45-47mm (preferably 46mm) in 11 height of bottom of the pressure testing plug of cone, the bottom with maximum outside diameter
Face is set close to the middle part 12 of pressure testing plug, and the middle part 12 of the top surface away from pressure testing plug with minimum outer diameter is set, maximum outer
Footpath is 48-49mm (preferably 48.5mm), and minimum outer diameter is 46-47mm (preferably 46.6mm)；In the middle part of pressure testing plug 1 of cylinder
Outside diameter is less than the minimum outer diameter of the bottom 11 of pressure testing plug, is highly 398-402mm (preferably 400mm)；In criss-cross pressure testing
The top 13 of plug includes the first cylinder 14 and the second cylinder 15, and the first cylinder 14 is arranged on external screw thread and pressure testing plug
Middle part 12 between, the outside diameter of cylinder 14 is more than the outside diameter at the middle part 12 of pressure testing plug, outside diameter for 535-537mm (preferably
536mm), the second cylinder 15 is set away from middle part 12, positioned at the top of resistance oil nozzle sleeve pressure testing plug 1, the top of the second cylinder 15
Portion (and top of resistance oil nozzle sleeve pressure testing plug 1) is provided with threaded hole, and for connecting pressure source, the internal diameter of threaded hole is 14-
17mm (preferably 15mm).
Further, the inside of pressure testing plug 1 is provided with venting channels 16 along center line, has when being installed for pressure testing plug
Elasticity, easy to manipulate.
The pressure testing process of the utility model is specially：After to tubing head or production tree both wings pressure testing, resistance oil nozzle sleeve is installed, so
The pressure testing plug 1 of the utility model is connected with the internal thread of resistance oil nozzle sleeve afterwards, will after closing tubing head or the outer side gate of production tree
Pressure source is connected with pressure testing plug, is realized to resistance oil nozzle sleeve and resistance oil nozzle sleeve and tubing head or production tree both wings thread flange junction
Pressure testing.
A kind of resistance oil nozzle sleeve pressure testing plug of the utility model, is connected with resistance oil nozzle sleeve by pressure testing plug, solves resistance oil nozzle sleeve
With tubing head and the high-level pressure testing demand of production tree both wings thread flange junction, the weak spot in production process is reduced；Drop
Well control risk present in low later stage production and operation process, it is ensured that the well control safety of producing well.
The utility model is further described by specific embodiment above, it should be understood that, have here
The description of body, should not be construed as the restriction to the spirit and scope of the utility model, and one of ordinary skilled in the art is readding
The various modifications made after reader specification to above-described embodiment, belong to the scope that the utility model is protected.
Claims (7)
- A kind of 1. resistance oil nozzle sleeve pressure testing plug, it is characterised in that it is integrally formed, including connected bottom (11), middle part (12), top Portion (13), the top (13) of pressure testing plug (1) is in cross, and middle part (12) in cylinder, bottom (11) are in cone, pressure test plug Head (1) is connected by the external screw thread that bottom is set with the internal thread of resistance oil nozzle sleeve, and top is connected with pressure source, to realize to resistance oil nozzle sleeve And resistance oil nozzle sleeve and the pressure testing of tubing head or production tree both wings thread flange junction.
- 2. resistance oil nozzle sleeve pressure testing plug according to claim 1, it is characterised in that the total height of pressure testing plug (1) is 490- 500mm, grade of steel 35CrMo, pressure-bearing rank 70MPa.
- 3. resistance oil nozzle sleeve pressure testing plug according to claim 1, it is characterised in that in the bottom of the pressure testing plug of cone (11) highly it is 45-47mm, the bottom surface with maximum outside diameter is set close to the middle part of pressure testing plug (12), has minimum outer diameter Middle part (12) of the top surface away from pressure testing plug is set, maximum outside diameter 48-49mm, minimum outer diameter 46-47mm.
- 4. resistance oil nozzle sleeve pressure testing plug according to claim 1, it is characterised in that in the middle part of the pressure testing plug of cylinder (12) outside diameter is less than the minimum outer diameter of the bottom (11) of pressure testing plug, is highly 398-402mm.
- 5. resistance oil nozzle sleeve pressure testing plug according to claim 1, it is characterised in that in the top of criss-cross pressure testing plug (13) the first cylinder (14) and the second cylinder (15) are included, the first cylinder (14) is arranged on external screw thread and pressure testing plug Between middle part (12), the outside diameter of cylinder (14) is more than the outside diameter at the middle part (12) of pressure testing plug, outside diameter 535-537mm.
- 6. resistance oil nozzle sleeve pressure testing plug according to claim 5, it is characterised in that the second cylinder (15) is away from middle part (12) Set, be provided with threaded hole at the top of the second cylinder (15), the internal diameter of threaded hole is 14-17mm.
- 7. resistance oil nozzle sleeve pressure testing plug according to claim 1, it is characterised in that the inside of pressure testing plug (1) is along center line It is provided with venting channels (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721411357.4U CN207348818U (en) | 2017-10-27 | 2017-10-27 | A kind of resistance oil nozzle sleeve pressure testing plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721411357.4U CN207348818U (en) | 2017-10-27 | 2017-10-27 | A kind of resistance oil nozzle sleeve pressure testing plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207348818U true CN207348818U (en) | 2018-05-11 |
Family
ID=62353453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721411357.4U Active CN207348818U (en) | 2017-10-27 | 2017-10-27 | A kind of resistance oil nozzle sleeve pressure testing plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207348818U (en) |
-
2017
- 2017-10-27 CN CN201721411357.4U patent/CN207348818U/en active Active
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