CN210013682U - Ultrahigh-pressure large-drift-diameter multi-runner injection fracturing wellhead device - Google Patents
Ultrahigh-pressure large-drift-diameter multi-runner injection fracturing wellhead device Download PDFInfo
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- CN210013682U CN210013682U CN201920452815.1U CN201920452815U CN210013682U CN 210013682 U CN210013682 U CN 210013682U CN 201920452815 U CN201920452815 U CN 201920452815U CN 210013682 U CN210013682 U CN 210013682U
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Abstract
The utility model discloses a big latus rectum multithread way of superhigh pressure injects fracturing well head device, a serial communication port, including oil pipe head device (15), the oil pipe head bypass valve has been connect respectively to the oil pipe head device (15) left and right sides, every survey the oil pipe head bypass valve all includes two the manual wafer valve of bypass (11) that connect gradually, and supreme one number main valve, No. two main valves, little cross (10), eight lead to fracturing head device (3), main manual wafer valve (2) and conversion flange (1) of being equipped with in proper order are followed to the upper portion of oil pipe head device (15). The advantages are that: because the field operation is dangerous during ultrahigh pressure operation, a hydraulic valve capable of remotely controlling a switch is required to be configured for the operation of the valve, so that the safety of personnel is ensured on the one hand; on the other hand, the problem that manual direct opening and closing wastes time and labor due to the fact that the opening and closing torque of the ultrahigh-pressure large-drift-diameter valve is relatively large is solved, working efficiency is improved, labor intensity is reduced, and personnel safety is guaranteed.
Description
Technical Field
The utility model relates to a fracturing wellhead assembly that oil field exploitation oil gas well head was used especially relates to a fracturing wellhead assembly that superhigh pressure, big latus rectum, multithread way injected into fracturing fluid and can remote control, belongs to oil development equipment field.
Background
With the development of scientific technology, the drilling and production technology for ultra-deep wells at home and abroad is mature at present in the aspect of drilling and production technology, but the drilling and production fracturing equipment for ultra-deep wells, particularly 140MPa ultrahigh pressure high flow injection fracturing equipment, still cannot meet the current requirements.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides an ultrahigh pressure large-drift-diameter multi-runner injection fracturing wellhead device, and realizes remote operation to ensure the safety of personnel and the working efficiency.
In order to solve the problems in the prior art, the invention discloses an ultrahigh-pressure large-drift-diameter multi-runner injection fracturing wellhead device which is characterized by comprising an oil pipe head device 15, wherein oil pipe head bypass valves are respectively connected to the left side and the right side of the oil pipe head device 15, each oil pipe head bypass valve comprises two bypass manual flat valves 11 which are sequentially connected, and a first main valve 10, a second main valve 9, a small four-way valve 16, an eight-way fracturing head device 3, a main manual flat valve 2 and a conversion flange 1 are sequentially arranged on the upper portion of the oil pipe head device 15 from bottom to top.
Further, a first instrument flange 14, a first stop valve 13 and a first pressure gauge 12 are arranged between two bypass manual flat valves 11 of one of the tubing head bypass valves, and the bypass manual flat valves 11 are manual flat valves which have a rated working pressure of 140MPa and are switched by adopting ball screws or gear transmission booster switches.
Furthermore, the primary valve 10 is a hand-liquid integrated flat valve with a drift diameter phi 130mm or phi 180mm and a rated working pressure of 140 MPa.
Furthermore, the second main valve 9 is a manual flat valve with a drift diameter phi 130mm or phi 180mm, a rated working pressure of 140MPa and is opened and closed by a ball screw or a gear transmission booster.
Furthermore, a fracturing tree bypass valve 4 and a fixed throttle valve 7 are respectively connected to the two side bypasses of the small four-way joint 16 in sequence, and a second instrument flange 7, a second stop valve 5 and a second pressure gauge 6 are arranged between the fracturing tree bypass valve and the fixed throttle valve 7 on one side of the small four-way joint.
Further, the fracturing tree bypass valve 4 is a flat valve which is the same as the bypass manual flat valve 11.
Further, the eight-way fracturing head device 3 has 6 bypass injection head holes, and can perform injection fracturing simultaneously.
Further, the main-channel manual flat valve 2 is the same flat valve as the second main valve 9.
The invention has the following beneficial effects:
the utility model discloses a big latus rectum of superhigh pressure multithread way pours into fracturing well head device equipment operating efficiency and improves greatly; in addition, because the field operation is dangerous during ultrahigh pressure operation, a hydraulic valve capable of remotely controlling a switch is required to be configured for the operation of the valve, so that the safety of personnel is ensured on one hand; on the other hand, the problem that manual direct opening and closing wastes time and labor due to the fact that the opening and closing torque of the ultrahigh-pressure large-drift-diameter valve is relatively large is solved, working efficiency is improved, labor intensity is reduced, and personnel safety is guaranteed.
Drawings
FIG. 1 is a schematic view of an ultrahigh pressure large-bore multi-flow-channel injection fracturing wellhead assembly of the present invention;
FIG. 2 is a schematic structural view of an eight-way fracturing head device of the present invention;
FIG. 3 is a hydraulic control schematic diagram of a hand-liquid integrated flat valve of the present invention;
fig. 4 is a schematic structural diagram of the hand-fluid integrated flat valve of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 and 2, the ultrahigh pressure large-drift-diameter multi-runner injection fracturing wellhead device is characterized by comprising an oil pipe head device 15, wherein oil pipe head bypass valves are respectively connected to the left side and the right side of the oil pipe head device 15, each oil pipe head bypass valve comprises two bypass manual flat valves 11 which are sequentially connected, and a first main valve, a second main valve, a small four-way valve 16, an eight-way fracturing head device 3, a main manual flat valve 2 and a conversion flange 1 are sequentially arranged on the upper portion of the oil pipe head device 15 from bottom to top.
In this embodiment, a first instrument flange 14, a first stop valve 13 and a first pressure gauge 12 are arranged between two bypass manual flat valves 11 of one of the tubing head bypass valves, and the bypass manual flat valves 11 are manual flat valves which have a rated working pressure of 140MPa and adopt ball screws or gear transmission booster switches.
In this embodiment, the primary valve 10 is a hand-liquid integrated flat valve with a drift diameter of phi 130mm or phi 180mm and a rated working pressure of 140MPa, and can be operated remotely and hydraulically, so that the safety of personnel is ensured, and the working efficiency of quickly opening and closing the valve can be realized.
In this embodiment, the second main valve 9 has a diameter of 130mm or 180mm, a rated working pressure of 140MPa, and is a manual flat valve that is opened and closed by a ball screw or a gear transmission booster.
In this embodiment, the two side bypasses of the small four-way 16 are respectively connected with a fracturing tree bypass valve 4 and a fixed throttle valve 7 in sequence, and a second instrument flange 8, a second stop valve 5 and a second pressure gauge 6 are arranged between the fracturing tree bypass valve and the fixed throttle valve 7 on one side.
In the embodiment, the fracturing tree bypass valve 4 is a flat valve which is the same as the bypass manual flat valve 11.
In this embodiment, the eight-way fracturing head device 3 has 6 bypass injection head holes, and can perform injection fracturing simultaneously, thereby improving the efficiency.
In this embodiment, the main manual flat valve 2 is a flat valve similar to the second main valve.
The working principle is as follows: as shown in fig. 1-2, during fracturing operation, an external liquid inlet pipeline is respectively connected with six bypass injection holes of an eight-way fracturing head device 3, a main drift diameter manual flat valve 2 (a drift diameter phi 130mm or phi 180mm, a manual flat valve with a rated working pressure of 140MPa and adopting a ball screw or a gear transmission booster switch) and a fracturing tree bypass valve 4 (a manual flat valve with a rated working pressure of 140MPa and adopting a ball screw or a gear transmission booster switch) are closed, a first main valve 10 (a manual hydraulic integrated flat valve with a drift diameter phi 130mm or phi 180mm and a rated working pressure of 140 MPa) and a second main valve 9 (a drift diameter phi 130mm or phi 180mm, a rated working pressure of 140MPa and adopting a ball screw or a gear transmission booster switch) are opened, and then fracturing fluid injection into the underground is started.
As shown in fig. 3, the first main valve 10 (the hand-liquid integrated flat valve with a diameter of 130mm or 180mm and a rated working pressure of 140 MPa) can realize remote hydraulic operation for the hand-liquid integrated flat valve: the cut-off and reversing operation of the three-position four-way electromagnetic valve on the hydraulic flow is controlled by an electric control button; the pressure regulating valve can regulate the magnitude of hydraulic operating force; the accumulator is provided for emergency use without an external pressure source, or the valve can be closed manually.
As shown in figure 4, the working condition of the hand-liquid integrated flat valve (10) is explained in the following, when the control pipeline interface is closed and the pressure is increased, the piston A5 drives the valve rod A14, the valve plate A8 and the lower guide rod A11 to move downwards until the piston A5 abuts against the lower cover of the hydraulic cylinder to stop, and the valve plate is positioned to close the valve. Otherwise, the valve is opened. When the manual closing is adopted, the hand wheel A1 is rotated, the hand wheel rod A2 moves downwards through threads between the hand wheel rod A2 and the adjusting nut A3, the thrust bearing A13 is pushed, the piston A5, the valve rod A14 and the valve plate A8 are driven to move downwards until the piston A5 abuts against the lower cover of the hydraulic cylinder to stop, and then the hand wheel A1 is rotated to ensure that the hand wheel rod A2 returns.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a big latus rectum multithread way of superhigh pressure injection fracturing well head device, its characterized in that, includes tubing head device (15), the tubing head bypass valve has been connect respectively to the tubing head device (15) left and right sides, every survey the tubing head bypass valve all includes two bypass manual plate valves (11) that connect gradually, and supreme main valve (10), No. two main valves (9), little cross (16), eight lead to fracturing head device (3), main manual plate valve (2) and conversion flange (1) of being equipped with in proper order are followed to the upper portion of tubing head device (15).
2. The ultrahigh-pressure large-drift-diameter multi-runner injection fracturing wellhead device is characterized in that a first instrument flange (14), a first stop valve (13) and a first pressure gauge (12) are arranged between two bypass manual flat valves (11) of one tubing head bypass valve, and the bypass manual flat valves (11) are manual flat valves which have the rated working pressure of 140MPa and are switched by ball screws or gear transmission boosters.
3. The ultrahigh-pressure large-drift-diameter multi-runner injection fracturing wellhead device according to claim 1, wherein the first main valve (10) is a hand-liquid integrated flat valve with a drift diameter phi 130mm or phi 180mm and a rated working pressure of 140 MPa.
4. The ultrahigh-pressure large-drift-diameter multi-runner injection fracturing wellhead device according to claim 1, wherein the second main valve (9) is a manual flat valve with a drift diameter phi 130mm or phi 180mm, a rated working pressure of 140MPa and adopting a ball screw or a gear transmission booster switch.
5. The ultrahigh-pressure large-drift-diameter multi-runner injection fracturing wellhead device according to claim 1, characterized in that a fracturing tree bypass valve (4) and a fixed throttle valve (7) are respectively connected to the two side bypasses of the small four-way joint (16) in sequence, and a second instrument flange (8), a second stop valve (5) and a second pressure gauge (6) are arranged between the fracturing tree bypass valve and the fixed throttle valve (7) on one side.
6. The ultrahigh pressure large-drift-diameter multi-runner injection fracturing wellhead assembly of claim 5, wherein the fracturing tree bypass valve (4) is a flat valve identical to a bypass manual flat valve (11).
7. The ultrahigh pressure large-drift-diameter multi-runner injection fracturing wellhead device according to claim 1, wherein the eight-way fracturing head device (3) is provided with 6 bypass injection head holes and can perform injection fracturing simultaneously.
8. The ultrahigh pressure large-drift-diameter multi-runner injection fracturing wellhead device according to claim 1, characterized in that the main-channel manual flat valve (2) is the same flat valve as a second main valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920452815.1U CN210013682U (en) | 2019-04-04 | 2019-04-04 | Ultrahigh-pressure large-drift-diameter multi-runner injection fracturing wellhead device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920452815.1U CN210013682U (en) | 2019-04-04 | 2019-04-04 | Ultrahigh-pressure large-drift-diameter multi-runner injection fracturing wellhead device |
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| CN210013682U true CN210013682U (en) | 2020-02-04 |
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| CN201920452815.1U Active CN210013682U (en) | 2019-04-04 | 2019-04-04 | Ultrahigh-pressure large-drift-diameter multi-runner injection fracturing wellhead device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554859A (en) * | 2020-12-22 | 2021-03-26 | 江苏雄越石油机械设备制造有限公司 | Fracturing pry |
| CN113494258A (en) * | 2021-08-27 | 2021-10-12 | 江苏宏泰石化机械有限公司 | Remote automatic control ultrahigh pressure fracturing wellhead device |
| CN115704297A (en) * | 2021-08-10 | 2023-02-17 | 中国石油天然气股份有限公司 | Integrated wellhead device for fracturing and oil extraction and operation method |
-
2019
- 2019-04-04 CN CN201920452815.1U patent/CN210013682U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554859A (en) * | 2020-12-22 | 2021-03-26 | 江苏雄越石油机械设备制造有限公司 | Fracturing pry |
| CN115704297A (en) * | 2021-08-10 | 2023-02-17 | 中国石油天然气股份有限公司 | Integrated wellhead device for fracturing and oil extraction and operation method |
| CN113494258A (en) * | 2021-08-27 | 2021-10-12 | 江苏宏泰石化机械有限公司 | Remote automatic control ultrahigh pressure fracturing wellhead device |
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