CN211287594U - Ultrahigh pressure fracturing gas production wellhead - Google Patents
Ultrahigh pressure fracturing gas production wellhead Download PDFInfo
- Publication number
- CN211287594U CN211287594U CN201922092665.0U CN201922092665U CN211287594U CN 211287594 U CN211287594 U CN 211287594U CN 201922092665 U CN201922092665 U CN 201922092665U CN 211287594 U CN211287594 U CN 211287594U
- Authority
- CN
- China
- Prior art keywords
- gas production
- christmas tree
- tubing head
- head
- oil pipe
- 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
Images
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model relates to an ultrahigh pressure fracturing gas production well head, which comprises a casing flange, a tubing head and a Christmas tree, and is characterized in that a hanger is arranged in the tubing head, and the casing flange, the tubing head and the Christmas tree are sequentially arranged from bottom to top; the lower end of the oil pipe head is hermetically connected with a sleeve flange, and the sleeve flange is hermetically connected with an oil pipe in the well; the tubing head comprises a lower connecting end which is hermetically connected with a casing flange at the lower part, the tubing head comprises a pressure reducing box at the middle part, the radius of the pressure reducing box is larger than that of the casing flange, and a plurality of support legs are arranged on the lower bottom surface of the pressure reducing box and used for fixedly mounting a gas production well head; the oil pipe head comprises a plurality of upper connecting ends, and the upper connecting ends are connected with the Christmas tree in a sealing mode through flanges. The utility model discloses have structural design reasonable, high pressure resistant, stand wear and tear, factor of safety height, reduce a plurality of having a bit such as artifical intensity of labour, be suitable for the wide application.
Description
Technical Field
The utility model relates to a gas production equipment technical field, concretely relates to superhigh pressure fracturing gas production well head.
Background
At present, the existing wellhead device for petroleum and natural gas drilling at home and abroad consists of a sleeve or a sleeve flange, and parts such as a blowout preventer, a Christmas tree and the like. Generally, the flat plate valves are all single valve components, the relative density of natural gas is low, the gas injection pressure is low, the pressure of a gas production or gas injection well head is high, and the high flow rate easily causes leakage to influence the collection speed; sometimes, natural gas contains corrosive impurities such as hydrogen sulfide, and the service life of a common flat plate wellhead device is easy to be short. And the valve on the existing gas production well head is controlled in a manual mode, so that the operation difficulty is high and the valve is not flexible. Therefore, an automatic machine-controlled ultrahigh-pressure fracturing gas production wellhead needs to be designed, and automatic control over the gas production wellhead is achieved.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the prior art, the utility model provides an ultrahigh pressure fracturing gas production well head, specific technical scheme is as follows:
the ultrahigh-pressure fracturing gas production wellhead comprises a casing flange, a tubing head and a production tree, wherein a hanger is arranged in the tubing head, and the casing flange, the tubing head and the production tree are sequentially installed from bottom to top;
the lower end of the oil pipe head is hermetically connected with a sleeve flange, and the sleeve flange is hermetically connected with an oil pipe in the well;
the oil pipe head comprises a lower connecting end which is connected with a sleeve flange at the lower part in a sealing way,
the tubing head comprises a pressure reducing box in the middle, the radius of the pressure reducing box is larger than that of the sleeve flange, and a plurality of support legs are arranged on the lower bottom surface of the pressure reducing box and used for fixedly mounting a gas production wellhead;
the oil pipe head comprises a plurality of upper connecting ends, and the connecting ends are connected with the Christmas tree in a sealing mode through flanges.
Further, the middle part of decompression case be provided with semicircle form arch, the bellied diameter of semicircle form equal to the diameter of sleeve flange, the bellied thickness of semicircle form is 3 times of decompression case wall thickness, the bellied inner wall of semicircle form on be provided with wear-resisting pottery.
Furthermore, the oil pipe head is provided with three upper connecting ends, and a stop valve is arranged between each connecting end and the Christmas tree. When the Christmas tree needs to be maintained, the stop valve can be closed, other two Christmas trees are opened, and the Christmas tree needing to be maintained is maintained.
Further, the stop valve be connected with drive arrangement through the pivot, drive arrangement be connected with automatic control device, automatic control device be connected with the control end of installing in the room through wireless connection's mode, realize the automatic control to the stop valve, when the stop valve is closed to needs, open drive arrangement, adjust the stop valve, reduce workman's intensity of labour.
Further, the christmas tree on be provided with a plurality of gate valves and plug valve, through drive arrangement and automatic control device carry out automated control to the gate valve and the plug valve on the christmas tree.
The utility model provides a production tree among the prior art can be used to the production tree.
The utility model has the advantages that: the gas production wellhead in the utility model is provided with a pressure reduction oil head, the natural gas sprayed out from the well enters a pressure reduction box, the pressure is reduced, and the high pressure brought by the gas outlet of a single Christmas tree is reduced by the outflow of a plurality of Christmas trees;
the pressure reducing box is internally provided with a bulge, so that the pressure reducing box has strong impact resistance and wear resistance. And the pressure reducing box is provided with support legs, so that the pressure reducing box is convenient to mount and fix. The utility model provides an all valves all adopt automatic control device to open and close, have reduced artifical intensity of labour.
To sum up, the utility model has the advantages of structural design is reasonable, high pressure resistant, stand wear and tear, factor of safety is high, reduce a plurality of having a bit such as artifical intensity of labour, be suitable for the wide application.
Drawings
Fig. 1 is the utility model discloses a structural schematic of superhigh pressure fracturing gas production well head.
Fig. 2 is the utility model discloses a top view of the decompression case of superhigh pressure fracturing gas production well head of embodiment.
Fig. 3 is the utility model discloses an automatic control flow block diagram of superhigh pressure fracturing gas production well head.
The automatic control system comprises a casing flange 1, a tubing head 2, a Christmas tree 3, a relief tank 4, a support leg 401, a projection 402, an upper connecting end 5, a lower connecting end 6, a stop valve 7, a driving device 8, an automatic control device 9, a control end 10, a gate valve 11, a plug valve 12 and a flange 13.
The specific implementation mode is as follows:
in order to deepen understanding of the present invention, the following detailed description is made on the embodiments of the present invention with reference to the accompanying drawings.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve.
Examples
With reference to figures 1 to 3 of the drawings,
the ultrahigh-pressure fracturing gas production wellhead comprises a casing flange 1, a tubing head 2 and a Christmas tree 3, wherein a hanger is arranged in the tubing head 2, and the casing flange 1, the tubing head 2 and the Christmas tree 3 are sequentially installed from bottom to top;
the lower end of the tubing head 2 is hermetically connected with a casing flange 1, and the casing flange 1 is hermetically connected with an oil pipe in the well;
the oil pipe head 2 comprises a lower connecting end 6 which is hermetically connected with the sleeve flange 1 at the lower part,
the oil pipe head 2 comprises a pressure reducing box 4 in the middle, the radius of the pressure reducing box 4 is larger than that of the sleeve flange 1, and a plurality of support legs 401 are arranged on the lower bottom surface of the pressure reducing box 4 and used for fixedly mounting a gas production well head;
the tubing head 2 comprises a plurality of upper connection ends 5, and the upper connection ends 5 are hermetically connected with the Christmas tree 3 through flanges 13.
Further, the middle part of the pressure reduction box 4 is provided with a semicircular bulge 402, the diameter of the semicircular bulge 402 is equal to that of the sleeve flange 1, the thickness of the semicircular bulge 402 is 3 times of that of the wall of the pressure reduction box 4, and the inner wall of the semicircular bulge 402 is provided with wear-resistant ceramic.
Furthermore, the tubing head 2 is provided with three upper connecting ends 5, and a stop valve 7 is installed between each upper connecting end 5 and the Christmas tree 3. When the production tree 3 needs to be maintained, the stop valve 7 can be closed, other two production trees 3 are opened, and the production tree 3 needing to be maintained is maintained.
Further, stop valve 7 is connected with drive arrangement 8 through the pivot, and drive arrangement 8 is connected with automatic control device 9, and automatic control device 9 is connected with the control end 10 of installing in the room through wireless connection's mode, realizes the automatic control to stop valve 7, and when needing to close stop valve 7, opens drive arrangement 8, adjusts stop valve 7, reduces workman's intensity of labour.
Further, the christmas tree 3 is provided with a plurality of gate valves 11 and plug valves 12, and the gate valves 11 and the plug valves 12 on the christmas tree 3 are automatically controlled by the driving device 8 and the automatic control device 9.
The utility model provides a production tree among the prior art can be used to the production tree.
The gas production wellhead is provided with a pressure reduction oil head, natural gas sprayed out of the well enters a pressure reduction box, the pressure is reduced, and the natural gas flows out through a plurality of Christmas trees, so that the high pressure caused by gas outlet of a single Christmas tree is reduced; the pressure reducing box is internally provided with a bulge, so that the pressure reducing box has strong impact resistance and wear resistance. And the pressure reducing box is provided with support legs, so that the pressure reducing box is convenient to mount and fix. The utility model provides an all valves all adopt automatic control device to open and close, have reduced artifical intensity of labour.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the technical means, but also comprises the technical scheme consisting of the equivalent replacement of the technical features. The present invention is not to be considered as the best thing, and belongs to the common general knowledge of the technicians in the field.
Claims (5)
1. The ultrahigh-pressure fracturing gas production wellhead comprises a casing flange, a tubing head and a Christmas tree, and is characterized in that a hanger is arranged in the tubing head, and the casing flange, the tubing head and the Christmas tree are sequentially installed from bottom to top;
the lower end of the oil pipe head is hermetically connected with a sleeve flange, and the sleeve flange is hermetically connected with an oil pipe in the well;
the oil pipe head comprises a lower connecting end which is connected with a sleeve flange at the lower part in a sealing way,
the tubing head comprises a pressure reducing box in the middle, the radius of the pressure reducing box is larger than that of the sleeve flange, and a plurality of support legs are arranged on the lower bottom surface of the pressure reducing box and used for fixedly mounting a gas production wellhead;
the oil pipe head comprises a plurality of upper connecting ends, and the upper connecting ends are connected with the Christmas tree in a sealing mode through flanges.
2. The ultrahigh-pressure fracturing gas production wellhead according to claim 1, wherein a semicircular bulge is arranged in the middle of the pressure reduction box, the diameter of the semicircular bulge is equal to that of the sleeve flange, the thickness of the semicircular bulge is 3 times that of the wall of the pressure reduction box, and wear-resistant ceramic is arranged on the inner wall of the semicircular bulge.
3. The ultra-high pressure fracturing gas production wellhead according to claim 1, wherein the tubing head is provided with three upper connection ends, and a stop valve is installed between each connection end and the Christmas tree.
4. The ultrahigh-pressure fracturing gas production wellhead according to claim 3, wherein the stop valve is connected with a driving device through a rotating shaft, the driving device is connected with an automatic control device, and the automatic control device is connected with a control end installed indoors in a wireless connection mode to realize automatic control of the stop valve.
5. The ultra-high pressure fracturing gas production wellhead according to claim 4, wherein the Christmas tree is provided with a plurality of gate valves and plug valves, and the gate valves and the plug valves on the Christmas tree are automatically controlled by the driving device and the automatic control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922092665.0U CN211287594U (en) | 2019-11-28 | 2019-11-28 | Ultrahigh pressure fracturing gas production wellhead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922092665.0U CN211287594U (en) | 2019-11-28 | 2019-11-28 | Ultrahigh pressure fracturing gas production wellhead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211287594U true CN211287594U (en) | 2020-08-18 |
Family
ID=72011720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922092665.0U Active CN211287594U (en) | 2019-11-28 | 2019-11-28 | Ultrahigh pressure fracturing gas production wellhead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211287594U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983330A (en) * | 2021-03-15 | 2021-06-18 | 淮阴工学院 | Christmas tree wellhead device |
| CN116446816A (en) * | 2023-05-19 | 2023-07-18 | 江苏亿拓翔建设有限公司 | Ultrahigh pressure fracturing gas production wellhead with buffer resistance-increasing channel structure |
| CN117345147A (en) * | 2023-11-01 | 2024-01-05 | 河南东方龙机械制造有限公司 | Oil well head oil extraction device |
-
2019
- 2019-11-28 CN CN201922092665.0U patent/CN211287594U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983330A (en) * | 2021-03-15 | 2021-06-18 | 淮阴工学院 | Christmas tree wellhead device |
| CN112983330B (en) * | 2021-03-15 | 2023-04-07 | 淮阴工学院 | Christmas tree wellhead device |
| CN116446816A (en) * | 2023-05-19 | 2023-07-18 | 江苏亿拓翔建设有限公司 | Ultrahigh pressure fracturing gas production wellhead with buffer resistance-increasing channel structure |
| CN116446816B (en) * | 2023-05-19 | 2023-11-28 | 江苏亿拓翔建设有限公司 | Ultrahigh pressure fracturing gas production wellhead with buffer resistance-increasing channel structure |
| CN117345147A (en) * | 2023-11-01 | 2024-01-05 | 河南东方龙机械制造有限公司 | Oil well head oil extraction device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211287594U (en) | Ultrahigh pressure fracturing gas production wellhead | |
| CN201180511Y (en) | Gas injection, oil extraction shaft mouth apparatus | |
| CN208011034U (en) | A kind of adjustable ball-cock assembly of flow | |
| CN212671653U (en) | Wellhead assembly suitable for plunger gas lift drainage gas production | |
| CN103993856B (en) | A kind of level pressure underground throttle device | |
| CN210768704U (en) | Four-way valve device for wellhead Christmas tree | |
| CN206111136U (en) | Adjustable oil nozzle | |
| CN204225842U (en) | Valve discharging gas under certain pressure | |
| CN201103377Y (en) | Gas pressure maintaining device of petroleum casing pipe | |
| CN106246136B (en) | A kind of adjustable throttling positive choke | |
| CN206035443U (en) | Gas production well head device | |
| CN2567336Y (en) | Multifunction well head device | |
| CN206708473U (en) | A kind of deadweight safety valve | |
| CN208502714U (en) | The test wellhead assembly of oil-water well | |
| CN208502734U (en) | A kind of controllable bleeder | |
| CN201778757U (en) | Internal production tree cap of subsea production tree | |
| CN206785353U (en) | Oil well casing pressure level pressure, automatic discharge device | |
| CN209195354U (en) | A kind of storm valve is opened and locking tool | |
| CN220399213U (en) | Shaft corrosion testing device in oil extraction process | |
| CN218971158U (en) | Large-drift-diameter ultrahigh-pressure sulfur-resistant wellhead device | |
| CN215950406U (en) | Adjustable inner cage type electric throttle valve | |
| CN202249904U (en) | Oilfield wellhead with protection function | |
| CN204344067U (en) | A kind of vertical double hose submerged production tree device | |
| CN213018119U (en) | A water conservancy pipeline supports connection structure for hydraulic engineering | |
| CN206816218U (en) | The difunctional integral type blowout preventer of production tree |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |