CN-224214144-U - Wellhead device with anti-leakage function

Abstract

The utility model discloses a wellhead device with a leakage-proof function, which comprises a wellhead structure, wherein a cooling and cracking-proof assembly is inlaid on the wellhead structure, the wellhead structure is communicated with a pressure relief structure, the wellhead structure comprises an oil pipe, the oil pipe is communicated with a blowout preventer body through a first leakage-proof assembly, the blowout preventer body is communicated with a casing head through a second leakage-proof assembly, the first leakage-proof assembly comprises a first flange plate, the first flange plate is detachably provided with a second flange plate, the second flange plate and the first flange plate are inlaid with a first sealing ring and a second sealing ring, the first sealing ring is positioned between the second sealing rings, the wellhead device with the leakage-proof function plays a role of double-layer sealing and leakage-proof through the arrangement of the first flange plate, the second flange plate, the first sealing ring and the second sealing ring, when leakage occurs, operators are timely reminded through the arrangement of an alarm, and the cooling and cracking-proof functions are played inside the wellhead device through the arrangement of a liquid inlet pipe, a liquid guide pipe and a heat exchange liquid drain pipe.

Inventors

• Zhou Chuwen
• ZHOU ZHENGQUAN
• ZHOU ZHENGJUN
• ZHOU ZHENGZHONG

Assignees

• 阜宁县石油机械有限公司

Dates

Publication Date

20260508

Application Date

20250624

Claims (5)

1. 1. The wellhead device with the anti-leakage function comprises a wellhead structure (1), wherein a cooling anti-cracking assembly (2) is embedded on the wellhead structure (1), and the wellhead structure (1) is communicated with a pressure relief structure (3), and is characterized in that the wellhead structure (1) comprises an oil pipe (11), the oil pipe (11) is communicated with a blowout preventer body (13) through a first anti-leakage assembly (12), and the blowout preventer body (13) is communicated with a casing head (16) through a second anti-leakage assembly (15); The first anti-leakage assembly (12) comprises a first flange plate (121), the first flange plate (121) is detachably provided with a second flange plate (122), the second flange plate (122) and the first flange plate (121) are embedded with a first sealing ring (123) and a second sealing ring (124), and the first sealing ring (123) is positioned between the second sealing rings (124); The alarm assembly (14) comprises an oil leakage detector (141), and an alarm (142) is arranged on the lower side of the oil leakage detector (141).
2. 2. A wellhead device with leakage prevention function according to claim 1, characterized in that the cooling and cracking prevention assembly (2) comprises a liquid inlet pipe (21), and a liquid guide pipe (22) is communicated between the liquid inlet pipe (21) and a liquid discharge pipe (23).
3. 3. A wellhead device with a leakage prevention function according to claim 1, wherein the pressure release structure (3) comprises a pressure release pipe (31), an auxiliary sealing assembly (32) and a limiting assembly (33) are fixed in the pressure release pipe (31), and the limiting assembly (33) is positioned on the right side of the auxiliary sealing assembly (32).
4. 4. A wellhead with anti-leakage function according to claim 3, wherein the auxiliary sealing assembly (32) comprises a sealing ring (321), a fixed plate (322) is fixed on the sealing ring (321), a rotating rod (323) is rotatably connected between the fixed plates (322), and a sealing cover (324) is fixed on the lower side of the rotating rod (323).
5. 5. A wellhead device with a leakage prevention function according to claim 3, wherein the limiting component (33) comprises a connecting plate (331), an electric telescopic rod (332) is fixed on the left side of the connecting plate (331), a limiting plate (333) is fixed on the telescopic end of the electric telescopic rod (332), and a pressure sensor (334) is embedded on the limiting plate (333).

Description

Wellhead device with anti-leakage function Technical Field The utility model relates to the technical field of wellhead devices, in particular to a wellhead device with a leakage prevention function. Background The well head device plays a vital role in the oil and gas industry, connects an underground reservoir and ground facilities, ensures smooth exploitation of resources, plays a key role in the drilling, completion and production processes, and has leakage when in use, if not timely treated, resource waste is easily caused, and when the internal pressure of the existing well head device is overlarge, a pipeline is easily cracked, so that unnecessary loss is caused. Disclosure of utility model The utility model aims to provide a wellhead device with a leakage prevention function, so as to solve the problems that the existing wellhead device provided in the background art is leaked when in use, such as resource waste is easily caused if the existing wellhead device is not processed in time, and a pipeline is easily cracked when the internal pressure of the existing wellhead device is too high, so that unnecessary loss is caused. The wellhead device with the anti-leakage function comprises a wellhead structure, wherein a cooling anti-cracking assembly is embedded on the wellhead structure, the wellhead structure is communicated with a pressure relief structure, the wellhead structure comprises an oil pipe, the oil pipe is communicated with a blowout preventer body through a first anti-leakage assembly, and the blowout preventer body is communicated with a casing head through a second anti-leakage assembly; The first anti-leakage assembly comprises a first flange, the first flange is detachably provided with a second flange, a first sealing ring and a second sealing ring are embedded in the second flange and the first flange, and the first sealing ring is positioned between the second sealing rings; the alarm assembly comprises an oil leakage detector, and an alarm is arranged on the lower side of the oil leakage detector. Preferably, the cooling anti-cracking component comprises a liquid inlet pipe, and a liquid guide pipe is communicated between the liquid inlet pipe and the liquid discharge pipe. Through adopting above-mentioned technical scheme, play the effect of cooling through setting up cooling anticracking component. Preferably, the pressure relief structure comprises a pressure relief pipe, an auxiliary sealing assembly and a limiting assembly are fixed in the pressure relief pipe, and the limiting assembly is positioned on the right side of the auxiliary sealing assembly. Preferably, the auxiliary sealing assembly comprises a sealing ring, a fixing plate is fixed on the sealing ring, a rotating rod is connected between the fixing plates in a rotating mode, and a sealing cover is fixed on the lower side of the rotating rod. Through adopting above-mentioned technical scheme, play auxiliary seal's effect through setting up auxiliary seal subassembly. Preferably, the limiting assembly comprises a connecting plate, an electric telescopic rod is fixed on the left side of the connecting plate, a limiting plate is fixed at the telescopic end of the electric telescopic rod, and a pressure sensor is embedded on the limiting plate. Through adopting above-mentioned technical scheme, through setting up spacing subassembly to sealed lid supplementary spacing. Compared with the prior art, the wellhead device with the leakage prevention function has the beneficial effects that (1) The device is provided with a first leakage-proof assembly, an alarm assembly and a cooling and cracking-proof assembly, plays a role in double-layer sealing and leakage prevention through the arrangement of a first flange plate, a second flange plate, a first sealing ring and a second sealing ring, reminds operators in time when leakage occurs through the arrangement of an alarm, and plays a role in cooling and cracking the inside of a wellhead through the arrangement of a liquid inlet pipe, a liquid guide pipe and a heat exchange liquid discharge pipe; (2) The pressure relief structure is arranged, when the pressure in the wellhead device is overlarge, the limiting plate is separated from the sealing cover, and the high-pressure fluid pushes away the sealing cover, so that the pressure in the wellhead device is relieved, and the occurrence of cracks of an oil pipe is avoided, so that unnecessary loss is caused. Drawings FIG. 1 is a schematic elevational view of the present utility model; FIG. 2 is a schematic rear view of the present utility model; FIG. 3 is a schematic diagram of a pressure relief structure according to the present utility model; Fig. 4 is a schematic view of a three-dimensional structure of the spacing assembly of the present utility model distributed on the auxiliary sealing assembly. 1, Wellhead structure, 11, oil pipe, 12, first anti-leakage component, 121, first flange, 122, second flange, 123, first sealing r