CN205297461U - A fixed glib sub -assembly that is used for gas production well head, fixed choke valve of ground manifold - Google Patents
A fixed glib sub -assembly that is used for gas production well head, fixed choke valve of ground manifold Download PDFInfo
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- CN205297461U CN205297461U CN201520990370.4U CN201520990370U CN205297461U CN 205297461 U CN205297461 U CN 205297461U CN 201520990370 U CN201520990370 U CN 201520990370U CN 205297461 U CN205297461 U CN 205297461U
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- glib
- wall
- positive choke
- fixed
- nozzle tip
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Abstract
The utility model discloses a fixed glib sub -assembly that is used for gas production well head, fixed choke valve of ground manifold, including fixed oil valve spud, ceramic glib talker and ring type seal, the fixed oil valve spud is the outer six corner suite structures of flange, and its outer wall is equipped with the external screw thread, and inner wall upper portion is inwards sunken to form glib spacing portion, and the glib outer wall of pottery is equipped with the external screw thread, and the glib interior screw thread fit connection through setting up on external screw thread and the fixed oil valve spud inner wall of pottery be the fluid runner in the pottery is glib, and the glib outer wall of pottery is equipped with the annular arch, and annular protruding joint is on spacing of glib talker, the glib upper and lower tip of pottery all extends the fixed oil valve spud. The utility model discloses an engineering ceramic does fixed glibly, stand wear and tear, long service life, and simple structure, easy realization has good application prospect.
Description
Technical field
This utility model relates to the positive choke molectron of gas production wellhead, manifold of ground fixation type throttle valve, belongs to oil gas winning apparatus technical field.
Background technology
According to user feedback and field investigation, manifold positive choke many employings carbide inserts material of the same type used in oil field is made, and cost is higher, in order to save cost, at present, the oil nozzle that carbide inserts is made is all shorter, length is within 70mm, and it is embedded in the inside of oil nozzle seat, thus causing the carbide inserts oil nozzle of this design, erosion resistance ability, service life is short, need often to change, waste time and energy, make troubles to the construction operation of user.
Summary of the invention
The purpose of this utility model is to solve existing carbide inserts oil nozzle erosion resistance ability, the problem that service life is short, positive choke molectron for gas production wellhead, manifold of ground fixation type throttle valve of the present utility model, oil nozzle erosion resistance degree and abrasion resistance can be improved, extend oil nozzle service life, have a good application prospect.
To achieve the above object, this utility model be the technical scheme is that
Positive choke molectron for gas production wellhead, manifold of ground fixation type throttle valve, it is characterised in that: include positive choke seat, ceramic nozzle tip and O-ring seal;
Described positive choke seat is flange outer-hexagonal nested structure, its outer wall is provided with external screw thread, upper inside wall caves inward and forms oil nozzle limiting section, the outer wall of described ceramic nozzle tip is provided with external screw thread, ceramic nozzle tip is connected with the screw-internal thread fit arranged on positive choke seat inwall by external screw thread, being fluid course in described ceramic nozzle tip, the outer wall of described ceramic nozzle tip is provided with annular protrusion, and described annular protrusion is connected on oil nozzle limiting section; Positive choke seat is all extended in the upper and lower end of described ceramic nozzle tip.
It is previously described for the positive choke molectron of gas production wellhead, manifold of ground fixation type throttle valve, it is characterised in that: the material of described positive choke seat is 12Cr13 rustless steel, and the material of described ceramic nozzle tip is HP-SiC pottery.
It is previously described for the positive choke molectron of gas production wellhead, manifold of ground fixation type throttle valve, it is characterised in that: the upper inside wall of described positive choke seat and outer wall bottom are provided with sealing ring mounting groove, and described O-ring seal is arranged in sealing ring mounting groove.
It is previously described for the positive choke molectron of gas production wellhead, manifold of ground fixation type throttle valve, it is characterised in that: the material of described O-ring seal is nitrile rubber.
The beneficial effects of the utility model are: this utility model is used for gas production wellhead, the positive choke molectron of manifold of ground fixation type throttle valve, engineering ceramics HP-SiC is adopted to fix oil nozzle, its smooth surface, resistance is little, flintiness is high, wear-resistant, long service life, and it is lightweight, reasonable price, positive choke seat is designed as flange form outer-hexagonal, change convenient and swift with spanner, positive choke seat is provided with sealing ring, facilitate installing/dismounting, good sealing effect simultaneously, and, ceramic nozzle tip upper, positive choke seat is all extended in bottom, can improve service life further, simple in construction, easily realize, have a good application prospect.
Accompanying drawing explanation
Fig. 1 is the structural representation for gas production wellhead, the positive choke molectron of manifold of ground fixation type throttle valve of the present utility model.
Detailed description of the invention
Below in conjunction with Figure of description, this utility model is further described.
As shown in Figure 1, positive choke molectron for gas production wellhead, manifold of ground fixation type throttle valve, including positive choke seat 1, ceramic nozzle tip 2 and O-ring seal 3, positive choke seat 1 is flange outer-hexagonal nested structure, uses spanner can realize the purpose of convenient and swift replacing, the outer wall of positive choke seat 1 is provided with external screw thread 5, the top of inwall caves inward and forms oil nozzle limiting section, the outer wall of described ceramic nozzle tip 2 is provided with external screw thread 7, ceramic nozzle tip 2 is connected with the female thread 6 of setting on positive choke seat 1 inwall by external screw thread 7, it is fluid course 4 in ceramic nozzle tip 2, the outer wall of ceramic nozzle tip 2 is provided with annular protrusion, annular protrusion is connected on oil nozzle limiting section, it is easy to location and installation, ceramic nozzle tip 2 upper, positive choke seat 1 is all extended in bottom, it is long-pending with the direct contact surface of fluid that the oil nozzle lengthened decreases positive choke seat 1, prevent positive choke seat 1 by fluid erosion, extend its service life.
Upper inside wall and the outer wall bottom of described positive choke seat 1 are provided with sealing ring mounting groove, for installing O-ring seal 3, positive choke seat 1 and choke valve valve body, the sealing between positive choke seat 1 and ceramic nozzle tip 2 can be realized, it is prevented that fluid flows out and part of damage from fit-up gap.
The material of described positive choke seat 1 is 12Cr13 rustless steel, ceramic nozzle tip 2 material is HP-SiC pottery, ceramic material hardness is HRA96, tensile strength 246MPa, smooth higher than Cemented Carbide Hardness and water passage surface, resistance is little, service life is higher than hard alloy, and lightweight, reasonable price, the aperture of ceramic nozzle tip 2 here is incremented by with 2/64, to facilitate on-the-spot selection to use.
Described O-ring seal 3 material is nitrile rubber, with low cost, it is simple to batch production.
In sum, this utility model is used for gas production wellhead, the positive choke molectron of manifold of ground fixation type throttle valve, engineering ceramics HP-SiC is adopted to fix oil nozzle, its smooth surface, resistance is little, flintiness is high, wear-resistant, long service life, and it is lightweight, reasonable price, positive choke seat is designed as flange form outer-hexagonal, change convenient and swift with spanner, positive choke seat is provided with sealing ring, facilitate installing/dismounting, good sealing effect simultaneously, and, ceramic nozzle tip upper, positive choke seat is all extended in bottom, can improve service life further, simple in construction, easily realize, have a good application prospect.
Of the present utility model ultimate principle, principal character and advantage have more than been shown and described. Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description is that principle of the present utility model is described; under the premise without departing from this utility model spirit and scope; this utility model also has various changes and modifications, and these changes and improvements both fall within the scope of claimed this utility model. This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (4)
1. for the positive choke molectron of gas production wellhead, manifold of ground fixation type throttle valve, it is characterised in that: include positive choke seat, ceramic nozzle tip and O-ring seal;
Described positive choke seat is flange outer-hexagonal nested structure, its outer wall is provided with external screw thread, upper inside wall caves inward and forms oil nozzle limiting section, the outer wall of described ceramic nozzle tip is provided with external screw thread, ceramic nozzle tip is connected with the screw-internal thread fit arranged on positive choke seat inwall by external screw thread, being fluid course in described ceramic nozzle tip, the outer wall of described ceramic nozzle tip is provided with annular protrusion, and described annular protrusion is connected on oil nozzle limiting section; Positive choke seat is all extended in the upper and lower end of described ceramic nozzle tip.
2. the positive choke molectron for gas production wellhead, manifold of ground fixation type throttle valve according to claim 1, it is characterised in that: the material of described positive choke seat is 12Cr13 rustless steel, and the material of described ceramic nozzle tip is HP-SiC pottery.
3. the positive choke molectron for gas production wellhead, manifold of ground fixation type throttle valve according to claim 1, it is characterized in that: the upper inside wall of described positive choke seat and outer wall bottom are provided with sealing ring mounting groove, and described O-ring seal is arranged in sealing ring mounting groove.
4. the positive choke molectron for gas production wellhead, manifold of ground fixation type throttle valve according to claim 1, it is characterised in that: the material of described O-ring seal is nitrile rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520990370.4U CN205297461U (en) | 2015-12-03 | 2015-12-03 | A fixed glib sub -assembly that is used for gas production well head, fixed choke valve of ground manifold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520990370.4U CN205297461U (en) | 2015-12-03 | 2015-12-03 | A fixed glib sub -assembly that is used for gas production well head, fixed choke valve of ground manifold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205297461U true CN205297461U (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520990370.4U Active CN205297461U (en) | 2015-12-03 | 2015-12-03 | A fixed glib sub -assembly that is used for gas production well head, fixed choke valve of ground manifold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205297461U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437617A (en) * | 2016-10-27 | 2017-02-22 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Mechanically adjustable fixed oil nozzle |
-
2015
- 2015-12-03 CN CN201520990370.4U patent/CN205297461U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437617A (en) * | 2016-10-27 | 2017-02-22 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Mechanically adjustable fixed oil nozzle |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |