CN219176299U - Antifreezing fracturing wellhead device - Google Patents
Antifreezing fracturing wellhead device Download PDFInfo
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- CN219176299U CN219176299U CN202320327693.XU CN202320327693U CN219176299U CN 219176299 U CN219176299 U CN 219176299U CN 202320327693 U CN202320327693 U CN 202320327693U CN 219176299 U CN219176299 U CN 219176299U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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Abstract
An antifreezing fracturing wellhead device relates to the technical field of oilfield fracturing. The upper part of the blowout preventer is connected with a tee joint, the upper part of the tee joint is connected with a four-way joint, one side of the four-way joint is connected with a blowout pipeline, and the end part of the blowout pipeline is connected with a blowout valve; one side of the tee joint is connected with a circulating pipeline which is connected with a blowout pipe line at the inner side of the blowout valve, a heating pipe is arranged on the circulating pipeline, and a ball valve is arranged above the heating pipe. The beneficial effects of the utility model are as follows: when blowout prevention is not performed in winter, the blowout valve is closed, two ball valves on a circulating pipeline are opened, the electric heating pipe is electrified, the electric heating pipe heats heat conduction oil in the jacket, the problem that the electric heating pipe is easy to burn out due to the fact that the electric heating pipe with high temperature is directly contacted with the fracturing flowback fluid is prevented from occurring, the heat conduction oil heats the fracturing flowback fluid, the heated fracturing flowback fluid flows upwards, and flows circularly among the circulating pipeline, the blowout pipeline, the four-way pipe and the three-way pipe, and the problem of freezing and blocking of a fracturing wellhead is solved.
Description
Technical Field
The utility model relates to the technical field of oilfield fracturing, in particular to an antifreezing fracturing wellhead device.
Background
When the wellhead device is iced and blocked when the fracturing blowout and the like occur, fracturing flowback fluid in the wellhead is iced at low temperature, and a control part of the wellhead, such as a flashboard, a valve body and a valve seat, is blocked and blocked by ice blocks, the valve cannot be opened and closed, the wellhead device is pressurized, safety accidents of equipment, personnel, environment and the like are easy to occur, and production is also seriously influenced.
Disclosure of Invention
In order to solve the problem of freezing prevention of a fracturing wellhead, the utility model provides an antifreezing fracturing wellhead device.
The technical scheme provided by the utility model is as follows: an antifreezing fracturing wellhead device comprises a blowout preventer, wherein the upper part of the blowout preventer is connected with a tee joint, the upper part of the tee joint is connected with a four-way joint, one side of the four-way joint is connected with a blowout pipeline, and the end part of the blowout pipeline is connected with a blowout valve;
one side of the tee joint is connected with a circulating pipeline which is connected with a blowout pipe line at the inner side of the blowout valve, a heating pipe is arranged on the circulating pipeline, and a ball valve is arranged above the heating pipe.
The circulating pipeline at the front end of the heating pipe is provided with a filter, the filter is horizontally arranged, the lower part of the filter is provided with a drain valve, and a ball valve is arranged between the filter and the tee joint.
The heating pipe comprises a section of flange pipe with consistent inner hole diameter, a jacket is welded on the outer side of the straight pipe section of the flange pipe, an electric heating pipe is arranged in the jacket, heat conduction oil is filled in the jacket, and the electric heating pipe is not contacted with the flange pipe.
The beneficial effects of the utility model are as follows: when blowout prevention is not performed in winter, the blowout valve is closed, two ball valves on a circulation pipeline are opened, the electric heating pipe is electrified, the electric heating pipe heats heat conduction oil in a jacket, the problem that the electric heating pipe is easy to burn out due to the fact that the electric heating pipe at high temperature is directly contacted with the fracturing flowback fluid is prevented, the heat conduction oil heats the fracturing flowback fluid, the heated fracturing flowback fluid flows upwards, circulation flow among the circulation pipeline, the blowout pipeline, the four-way and the three-way is achieved, the problem of freezing and blocking of a fracturing wellhead is solved, sand particles contained in the fracturing flowback fluid are blocked by the filter, the sand particles are discharged periodically, and the fracturing flowback fluid carrying the sand particles is prevented from being blocked in the heating pipe to influence the fluidity of the fracturing flowback fluid.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic structural view of a heating tube according to the present utility model.
In the figure: 1-blowout preventer, 2-tee joint, 3-four way, 4-open-flow pipeline, 5-open-flow valve, 6-heating pipe, 7-ball valve, 8-filter, 9-blow-down valve, 10-flange pipe, 11-electric heating pipe, 12-jacket, 13-circulation pipeline.
Detailed Description
As shown in fig. 1-2, an antifreezing fracturing wellhead device comprises a blowout preventer 1, wherein the upper part of the blowout preventer 1 is connected with a tee joint 2, the upper part of the tee joint 2 is connected with a four-way joint 3, one side of the four-way joint 3 is connected with a blowout pipeline 4, and the end part of the blowout pipeline 4 is connected with a blowout valve 5;
one side of the tee joint 2 is connected with a circulating pipeline 13, the circulating pipeline 13 is connected with the blowout pipeline 4 at the inner side of the blowout valve 5, a heating pipe 6 is arranged on the circulating pipeline 13, and a ball valve 7 is arranged above the heating pipe 6.
The filter 8 is arranged on the circulating pipeline 13 at the front end of the heating pipe 6, the filter 8 is horizontally arranged, the blow-down valve 9 is arranged at the lower part of the filter 8, and the ball valve 7 is arranged between the filter 8 and the tee joint 2.
The heating pipe 6 comprises a section of flange pipe 10 with consistent inner hole diameter, a jacket 12 is welded on the outer side of a straight pipe section of the flange pipe 10, an electric heating pipe 11 is arranged in the jacket 12, heat conduction oil is filled in the jacket 12, and the electric heating pipe 11 is not contacted with the flange pipe 10.
When blowout prevention is not performed in winter, the blowout valve 5 is closed, the two ball valves 7 on the circulation pipeline 13 are opened, the electric heating pipe 11 is electrified, the electric heating pipe 11 heats heat conduction oil in the jacket 12, the problems that the electric heating pipe 11 at high temperature is directly contacted with fracturing flowback fluid to cause local oxidization and the electric heating pipe 11 is easy to burn out are prevented, the heat conduction oil heats the fracturing flowback fluid, the heated fracturing flowback fluid flows upwards, and circularly flows among the circulation pipeline 13, the blowout pipeline 4, the four-way valve 3 and the tee joint 2, so that the problem of freezing and blocking of a fracturing wellhead is solved, sand particles contained in the fracturing flowback fluid are blocked by the filter 8, the sand particles are regularly discharged, and the fracturing flowback fluid carrying the sand particles is prevented from being blocked in the heating pipe 6 to influence the fluidity of the fracturing flowback fluid.
Claims (3)
1. An antifreezing fracturing wellhead device comprising a blowout preventer (1), characterized in that: the upper part of the blowout preventer (1) is connected with a tee joint (2), the upper part of the tee joint (2) is connected with a four-way joint (3), one side of the four-way joint (3) is connected with a blowout pipeline (4), and the end part of the blowout pipeline (4) is connected with a blowout valve (5);
one side of the tee joint (2) is connected with a circulating pipeline (13), the circulating pipeline (13) is connected with a blowout pipeline (4) at the inner side of the blowout valve (5) by side, a heating pipe (6) is arranged on the circulating pipeline (13), and a ball valve (7) is arranged above the heating pipe (6).
2. The freeze protected frac wellhead assembly of claim 1, wherein: a filter (8) is arranged on a circulating pipeline (13) at the front end of the heating pipe (6), the filter (8) is horizontally arranged, a drain valve (9) is arranged at the lower part of the filter (8), and a ball valve (7) is arranged between the filter (8) and the tee joint (2).
3. The freeze protected frac wellhead assembly of claim 1, wherein: the heating pipe (6) comprises a section of flange pipe (10) with the same inner hole diameter, a jacket (12) is welded on the outer side of the straight pipe section of the flange pipe (10), an electric heating pipe (11) is arranged in the jacket (12), heat conduction oil is filled in the jacket (12), and the electric heating pipe (11) is not contacted with the flange pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320327693.XU CN219176299U (en) | 2023-02-27 | 2023-02-27 | Antifreezing fracturing wellhead device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320327693.XU CN219176299U (en) | 2023-02-27 | 2023-02-27 | Antifreezing fracturing wellhead device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219176299U true CN219176299U (en) | 2023-06-13 |
Family
ID=86677871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320327693.XU Active CN219176299U (en) | 2023-02-27 | 2023-02-27 | Antifreezing fracturing wellhead device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219176299U (en) |
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2023
- 2023-02-27 CN CN202320327693.XU patent/CN219176299U/en active Active
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