CN209780830U - Double-overflow blowout prevention head device - Google Patents

Double-overflow blowout prevention head device Download PDF

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Publication number
CN209780830U
CN209780830U CN201920095585.8U CN201920095585U CN209780830U CN 209780830 U CN209780830 U CN 209780830U CN 201920095585 U CN201920095585 U CN 201920095585U CN 209780830 U CN209780830 U CN 209780830U
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China
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overflow
pipe
port
cavity
packing
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CN201920095585.8U
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Chinese (zh)
Inventor
张鹏云
魏玉平
袁磊
樊建平
左振君
邹振巍
岳鹏飞
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XI'AN SITAN OIL AND GAS ENGINEERING SERVICE Co.,Ltd.
Xian Sitan Apparatus Co Ltd
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Xian Sitan Apparatus Co Ltd
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Abstract

The utility model relates to a first device is prevented spouting by two overflows, including preventing spouting structure and two overflow structures, prevent spouting the structure and include first pressurization piston (14), first cavity and siphunculus (23), wherein, the first port intercommunication of two overflow structures first pressurization piston (14), the second port intercommunication of two overflow structures first cavity, siphunculus (23) are passed the through-hole structure of two overflow structures, siphunculus (23) still pass the through-hole structure of first pressurization piston (14). The utility model provides a pair of two overflows prevent first device adopts the water confluence outflow in two overflow structures with the oil well, prevents that the water in the oil well from following device top blowout.

Description

Double-overflow blowout prevention head device
Technical Field
The utility model belongs to the technical field of oil development, concretely relates to blowout preventer of two overflows.
Background
From the structure of global energy consumption, for a long time, petroleum is still the most main energy due to the problems of safety, cost and the like of other alternative energy sources, and although petroleum resources in China have great potential, the difficulty of exploration and development is gradually increased.
In the process of oil field development and test operation, the overflow control of the water injection well is particularly important, and as the water overflowing and discharged from the water injection well is not easy to control and causes great pollution to the environment, new requirements on the overflow control of the water injection well are provided along with the strong advocation of China on environmental protection.
Most of the existing anti-overflow devices adopt a single-overflow hydraulic blowout preventer, and high-pressure water in an oil well enables the top end of a blowout preventer to easily spray water.
SUMMERY OF THE UTILITY MODEL
in order to solve the above problems existing in the prior art, the utility model provides a double-overflow blowout prevention head device. The to-be-solved technical problem of the utility model is realized through following technical scheme:
The embodiment of the utility model provides a double-overflow blowout prevention head device, which comprises a blowout prevention structure and a double-overflow structure, wherein the blowout prevention structure comprises a first pressurizing piston, a first cavity and a through pipe, wherein,
The first port of the double-overflow structure is communicated with the first pressurizing piston, the second port of the double-overflow structure is communicated with the first cavity, the through pipe penetrates through the through hole structure of the double-overflow structure, and the through pipe further penetrates through the through hole structure of the first pressurizing piston.
In one embodiment of the present invention, the double overflow structure comprises a first overflow member, a second overflow member, a connecting pipe and a main overflow pipe, wherein,
the first port of the first overflow piece is communicated with the through pipe;
the connecting pipe and the through pipe penetrate through a through hole structure of the first overflow piece;
the first port of the second overflow piece is communicated with the first cavity;
The first port of the connecting pipe is communicated with the second port of the first overflow piece, and the second port of the connecting pipe is communicated with the second port of the second overflow piece;
The first port of the connecting pipe and the second port of the first overflow piece are also communicated with the main overflow pipe.
in one embodiment of the present invention, the blowout prevention structure further comprises a pipe joint and a connector, the first cavity comprises a first sub-cavity and a second sub-cavity, wherein,
the pipe joint is connected with a first port of the first sub-cavity;
The second port of the first sub-cavity is connected with the first port of the second sub-cavity through the connecting piece;
The siphunculus passes in proper order the coupling, first sub-cavity the through-hole structure of two overflow structures with the second sub-cavity.
The utility model discloses an in one embodiment, still include the feed liquor pipe, the feed liquor pipe passes through the connecting piece intercommunication first cavity.
In an embodiment of the present invention, the device further comprises a choke tube, wherein the first port of the choke tube communicates with the first sub-cavity, and the through tube passes through the choke tube.
In one embodiment of the utility model, the utility model also comprises a flow resisting protective cap and a fixed ring, wherein,
the choke flow protective cap is connected with the choke pipe, and the through pipe penetrates through a through hole structure of the choke flow protective cap;
The fixed ring is sleeved on the choke pipe.
in an embodiment of the present invention, the flow blocking device further comprises a union structure, wherein the union structure is movably connected to the second port of the flow blocking pipe.
In one embodiment of the present invention, the union structure comprises a blowout prevention seat body, a blowout prevention pressure cap, and a blowout prevention sub, wherein,
The blowout prevention base body is connected with the first port of the blowout prevention joint through the blowout prevention pressure cap;
the second port of the blowout prevention joint is movably connected with the second port of the choke pipe;
The through pipe is communicated to the cavity of the blowout prevention base body.
in an embodiment of the present invention, the device further comprises a pressing head, and the pressing head is connected to the first port of the first cavity.
in one embodiment of the present invention, the packing device further comprises a sealing device, the sealing device comprises a second pressurizing piston, a first packing, a second packing, a third packing and a packing pad, wherein,
the through pipe sequentially penetrates through the first packing, the packing pad, the second pressurizing piston, the second packing and the third packing;
The third packing is located the first position of siphunculus, the second packing is located the second position of siphunculus, first packing with the packing pad is located the third position of siphunculus.
compared with the prior art, the beneficial effects of the utility model are that:
The utility model provides a pair of two overflows prevent first device adopts the water confluence outflow in two overflow structures with the oil well, prevents that the water in the oil well from following device top blowout.
Other aspects and features of the present invention will become apparent from the following detailed description, which proceeds with reference to the accompanying drawings. It is to be understood, however, that the drawings are designed solely for purposes of illustration and not as a definition of the limits of the invention, for which reference should be made to the appended claims. It should be further understood that the drawings are not necessarily drawn to scale and that, unless otherwise indicated, they are merely intended to conceptually illustrate the structures and procedures described herein.
Drawings
fig. 1 is the utility model provides a pair of overflow prevent spray head device schematic structure.
The reference numbers illustrate: 1-blowout prevention base body, 2-choke flow protection cap, 3-blowout prevention pressure cap, 4-blowout prevention joint, 5-choke flow pipe, 6-fixing ring, 7-pipe joint, 8-first sub cavity, 9-first packing, 10-packing pad, 11-second pressurizing piston, 12-liquid inlet pipe, 13-second packing, 14-first pressurizing piston, 141-first through pipe of first pressurizing piston 14, 142-second through pipe of first pressurizing piston 14, 15-second sub cavity, 16-third packing, 17-pressing head, 18-second overflow piece, 19-connecting pipe, 20-first overflow piece, 21-total overflow piece, 22-connecting piece and 23-through pipe.
Detailed Description
The present invention will be described in further detail with reference to specific examples, but the present invention is not limited thereto.
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
The utility model relates to a blowout preventer head device of two overflows. Please refer to fig. 1, fig. 1 is a schematic structural diagram of a dual-overflow blowout preventer device according to the present invention.
The embodiment of the utility model provides a pair of overflow prevents spray head device, including preventing spouting the structure and two overflow structures, prevent spouting the structure and include first pressurized piston 14, first cavity and siphunculus 23, wherein,
The first port of the double-overflow structure is communicated with the first pressurizing piston 14, the second port of the double-overflow structure is communicated with the first cavity, the through pipe 23 penetrates through the through hole structure of the double-overflow structure, and the through pipe 23 further penetrates through the through hole structure of the first pressurizing piston 14.
Specifically, the first pressurizing piston 14 is a communicating member having a through hole structure, an inner diameter of the first through pipe 141 of the first pressurizing piston 14 is slightly smaller than an inner diameter of the first cavity, an inner diameter of the second through pipe 142 of the first pressurizing piston 14 is slightly larger than an inner diameter of the through pipe 23, and a plurality of overflow small holes or elongated grooves are formed in the second through pipe 142 of the first pressurizing piston 14, so as to effectively block flow, and most of the water flows out after flowing to the double-overflow structure, thereby preventing the water from being ejected from the other end of the blowout prevention structure.
The through pipe 23 is used for passing water, armouring cables, steel wires, ropes and the like.
in one embodiment of the present invention, the double overflow structure comprises a first overflow member 20, a second overflow member 18, a connecting pipe 19, and a main overflow pipe 21, wherein,
The first port of the first overflow element 20 is communicated with the through pipe 23;
the connecting pipe 19 and the through pipe 23 penetrate through a through hole structure of the first overflow piece 20;
The first port of the second overflow piece 18 is communicated with the first cavity;
A first port of the connecting pipe 19 is communicated with a second port of the first overflow part 20, and a second port of the connecting pipe 19 is communicated with a second port of the second overflow part 18;
The first port of the connecting pipe 19 and the second port of the first overflow member 20 are also communicated with the master overflow pipe 21.
Specifically, the through pipe 23 passes through a first port of the first overflow member 20, the connection pipe 19 passes through a second port of the first overflow member 20, the second overflow member 18 and the connection pipe 19 are communication members having a through hole structure, and the connection manner between the first overflow member 20, the second overflow member 18, the connection pipe 19 and the main overflow pipe 21 may be divided into a fixed connection and a movable connection, wherein,
The fixed connection can be welded connection, adhesion connection and the like, and the movable connection is flange connection, bolt threaded connection and the like.
The first overflow member 20, the second overflow member 18, the connection pipe 19 and the main overflow pipe 21 may be made of stainless steel, carbon steel, or the like.
The general overflow pipe 21 is a quick connector with a through hole structure, so that the assembly and disassembly are more convenient and quicker.
Further, the first overflow member 20 and the second overflow member 18 serve as water outlets, the first overflow member 20 is a main overflow port, and the second overflow member 18 is an auxiliary overflow port.
specifically, the water flows from the primary overflow port of the first overflow member 20 and the secondary overflow port of the second overflow member 18 to the main overflow member 21.
in one embodiment of the present invention, the blowout preventing structure further includes a pipe joint 7 and a connecting member 22.
The first cavity comprises a first sub-cavity 8 and a second sub-cavity 15;
the pipe joint 7 is connected with a first port of the first sub-cavity 8;
The second port of the first sub-chamber 8 and the first port of the second sub-chamber 15 are connected by the connecting piece 22;
The siphunculus 23 passes in proper order the coupling 7, first sub-cavity 8 the through-hole structure of two overflow structures with second sub-cavity 15.
specifically, the pipe joint 7 is a connecting piece, and the connecting way can be a flange, bolt threads and the like.
The first sub-cavity 8 and the second sub-cavity 15 are hollow cavities.
In an embodiment of the present invention, the liquid container further comprises a liquid inlet pipe 12, wherein the liquid inlet pipe 12 communicates with the first cavity through the connecting member 22.
specifically, the liquid inlet pipe 12 is a liquid inlet with pressure outside.
further, the liquid inlet pipe 12 is a quick connector with a through hole structure, so that the liquid inlet pipe is more convenient and faster to disassemble and assemble.
the externally pressurized liquid is other liquid from the surface, such as: hydraulic oil or other grease, and the like.
In an embodiment of the present invention, the device further comprises a choke tube 5, the first port of the choke tube 5 communicates with the first sub-cavity 8, and the through pipe 23 passes through the choke tube 5.
Specifically, the choke tube 5 is a communicating member with a through hole structure, the choke tube 5 can be directly communicated with the first sub-cavity 8, and the choke tube 5 can also be communicated with the first sub-cavity 8 through the pipe joint 7.
in an embodiment of the present invention, the utility model further comprises a choke protective cap 2 and a fixing ring 6, wherein the choke protective cap 2 is connected to the choke pipe 5, and the through-hole structure of the choke protective cap 2 is passed through by the through-pipe 23.
Specifically, the choke cap 2 may be connected to the choke pipe 5 by a flange, a bolt thread, or the like, and the choke cap 2 is connected to the choke pipe 5 to perform a choke function.
the fixed ring 6 is sleeved on the choke pipe 5.
specifically, the fixing ring 6 is an annular element having a through hole structure, and the specific shape of the fixing ring is the same as that of the choke tube 5, and the fixing ring may be a square through hole or a circular through hole.
Further, the internal diameter of solid fixed ring 6 slightly is greater than the internal diameter of choke tube 5 specifically does solid fixed ring 6 can overlap locate on the choke tube 5 can, gu fixed ring 6 is used for fixing choke tube 5.
in an embodiment of the present invention, the device further comprises a union structure, and the union structure is movably connected to the second port of the choke tube 5.
specifically, the union structure and the choke tube 5 are movably connected, and may be a flange, a bolt thread, or the like.
Further, the union structural connection the second port of choke tube 5, and will connect the one end of union structure is regarded as the utility model discloses the bottom of device, will prevent that the other end of spouting the structure is regarded as the utility model discloses the top of device.
specifically, work as the utility model discloses device individual component breaks down, when this device of dismouting, need not rotate whole device, only needs will the union structure rotates, the utility model discloses the device has realized the modularization dismouting, has simplified the dismouting process, makes dismouting convenient and fast more.
In one embodiment of the present invention, the union structure comprises a blowout prevention seat body 1, a blowout prevention pressure cap 3, and a blowout prevention joint 4, wherein,
The first ports of the blowout prevention seat body 1 and the blowout prevention joint 4 are connected through the blowout prevention pressure cap 3;
the second port of the blowout prevention joint 4 is movably connected with the second port of the choke pipe 5;
The through pipe 23 is communicated to the cavity of the blowout prevention seat body 1.
Specifically, one end of the blowout prevention seat body 1 is connected with the blowout prevention pressure cap 3, and the cavity at the other end is communicated with the through pipe 23.
Further, water in the oil well sequentially flows into the first cavity through the cavity of the blowout prevention base body 1 and the through pipe 23.
The blowout prevention pressure cap 3 is a connecting piece, the connecting mode is movable connection, and the connecting piece can be a flange, a bolt thread and the like.
The blowout prevention connector 4 is a communicating piece with a through hole structure and is movably connected with the blowout prevention pressure cap 3 and the choke pipe 5, so that the disassembly and the assembly are convenient and quick.
In an embodiment of the present invention, the present invention further comprises a pressing head 17, wherein the pressing head 17 is connected to the first port of the first cavity.
specifically, the first port of first cavity is located the utility model discloses the top of device, just siphunculus 23 passes compact head 17.
Preferably, the top end of the device of the present invention is a reduced through hole structure.
Further, the pressing head 17 is used to prevent water from being ejected from the top of the device.
in one embodiment of the invention, a sealing arrangement is further included, said sealing arrangement comprising a second pressure piston 11, a first packing 9, a second packing 13, a third packing 16 and a packing pad 10, wherein,
The through pipe 23 sequentially penetrates through the first packing 9, the packing pad 10, the second pressurizing piston 11, the second packing 13 and the third packing 16;
The third packing 16 is located the first position of siphunculus 23, the second packing 13 is located the second position of siphunculus 23, first packing 9 with packing pad 10 is located the third position of siphunculus 23.
Specifically, the first position of the through pipe 23 is the top end of the device of the present invention.
the second position of the through pipe 23 is inside the first through pipe 141 of the first pressurizing piston 14, behind the first port of the first overflow 20, and close to the second through pipe 142 of the first pressurizing piston 14.
The third position of the through-tube 23 is a position inside the first sub-chamber 8, behind the pipe joint 7, and before the first through-tube 141 of the first pressurizing piston 14.
Further, first subchamber 8, first packing 9, packing pad 10 constitutes first way liquid piston, through second pressurization piston 11 is first packing 9 pressurization, makes first packing 9 take place to warp and reach sealed effect.
The second packing 13 constitutes the second liquid piston, the third packing 16 constitutes the third liquid piston, through the second pressurization piston 11 be the second packing 13 with the pressurization of third packing 16, make the second packing 13 with the deformation of third packing 16 reaches sealed effect.
preferably, the second pressurizing piston 11 and the first pressurizing piston 14 are integral.
The utility model discloses the theory of operation as follows:
when the measuring instrument is lowered to an oil field water well, the armored cable, the steel wire and other ropes pass through the middle of the through pipe 23, and after moving up and down, the high-pressure water of the water well flows into the first cavity from the union structure, the high-pressure water pressure is reduced to be low under the action of the flow blocking protective cap 2, the flow blocking pipe 5, the second pressurizing piston 11, the first packing 9 and the second packing 13, part of the reduced water flows out to the main overflow pipe 21 through the first overflow part 20, and the other part of the reduced water flows out from the main overflow pipe 21 after flowing through the connecting pipe 19 from the second overflow part 18 after the pressure is reduced to be lower, so that the high-pressure water is prevented from being sprayed out from the top end of the device.
Compared with the prior art, the beneficial effects of the utility model are that:
The utility model provides a pair of two overflows prevent first device adopts the water confluence outflow in two overflow structures with the oil well, prevents that the water in the oil well from following device top blowout.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention are all included in the scope of the present invention.

Claims (10)

1. A double overflow blowout preventer head device, comprising a blowout preventer structure and a double overflow structure, the blowout preventer structure comprising a first pressurizing piston (14), a first chamber and a through pipe (23), wherein,
the first port of the double-overflow structure is communicated with the first pressurizing piston (14), the second port of the double-overflow structure is communicated with the first cavity, the through pipe (23) penetrates through the through hole structure of the double-overflow structure, and the through pipe (23) further penetrates through the through hole structure of the first pressurizing piston (14).
2. Device according to claim 1, characterized in that the double overflow comprises a first overflow (20), a second overflow (18), a connecting pipe (19) and a general overflow (21), wherein,
A first port of the first overflow piece (20) is communicated with the through pipe (23);
The connecting pipe (19) and the through pipe (23) penetrate through a through hole structure of the first overflow piece (20);
The first port of the second overflow piece (18) is communicated with the first cavity;
the first port of the connecting pipe (19) is communicated with the second port of the first overflow piece (20), and the second port of the connecting pipe (19) is communicated with the second port of the second overflow piece (18);
the first port of the connecting pipe (19) and the second port of the first overflow member (20) are also communicated with the main overflow pipe (21).
3. The apparatus of claim 1, wherein the blowout prevention structure further comprises a pipe joint (7) and a connector (22), the first cavity comprising a first sub-cavity (8) and a second sub-cavity (15), wherein,
the pipe joint (7) is connected with a first port of the first sub-cavity (8);
The second port of the first sub-cavity (8) and the first port of the second sub-cavity (15) are connected through the connecting piece (22);
the siphunculus (23) pass in proper order coupling (7), first sub-cavity (8) the through-hole structure of two overflow structures with second sub-cavity (15).
4. The device according to claim 3, characterized in that it further comprises an inlet pipe (12), said inlet pipe (12) communicating with said first chamber through said connection (22).
5. the apparatus according to claim 3, further comprising a choke tube (5), a first port of the choke tube (5) communicating with the first sub-cavity (8), and the through-tube (23) passing through the choke tube (5).
6. The device according to claim 5, further comprising a choke cap (2) and a securing ring (6), wherein,
the choke protective cap (2) is connected with the choke pipe (5), and the through pipe (23) penetrates through a through hole structure of the choke protective cap (2);
the fixed ring (6) is sleeved on the choke tube (5).
7. The device according to claim 5, further comprising a union structure that articulates with the second port of the choke tube (5).
8. the apparatus of claim 7, wherein the union structure comprises a blowout preventer housing (1), a blowout preventer pressure cap (3), and a blowout preventer sub (4), wherein,
the blowout prevention base body (1) is connected with the first port of the blowout prevention joint (4) through the blowout prevention pressure cap (3);
the second port of the blowout prevention joint (4) is movably connected with the second port of the choke pipe (5);
the through pipe (23) is communicated to the cavity of the blowout prevention base body (1).
9. the device of claim 1, further comprising a compression head (17), the compression head (17) being connected to the first port of the first cavity.
10. An arrangement according to claim 1, characterised in that it further comprises a sealing arrangement comprising a second pressure piston (11), a first packing set (9), a second packing set (13), a third packing set (16) and a packing pad (10), wherein,
The through pipe (23) sequentially penetrates through the first packing (9), the packing pad (10), the second pressurizing piston (11), the second packing (13) and the third packing (16);
the third packing (16) is located the first position of siphunculus (23), second packing (13) is located the second position of siphunculus (23), first packing (9) with packing pad (10) is located the third position of siphunculus (23).
CN201920095585.8U 2019-01-21 2019-01-21 Double-overflow blowout prevention head device Active CN209780830U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920095585.8U CN209780830U (en) 2019-01-21 2019-01-21 Double-overflow blowout prevention head device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920095585.8U CN209780830U (en) 2019-01-21 2019-01-21 Double-overflow blowout prevention head device

Publications (1)

Publication Number Publication Date
CN209780830U true CN209780830U (en) 2019-12-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920095585.8U Active CN209780830U (en) 2019-01-21 2019-01-21 Double-overflow blowout prevention head device

Country Status (1)

Country Link
CN (1) CN209780830U (en)

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Effective date of registration: 20210702

Address after: Room 01, 3 / F, building 2, Sitan Industrial Park, No.22, Keji 5th Road, high tech Zone, Xi'an, Shaanxi 710000

Patentee after: XI'AN SITAN OIL AND GAS ENGINEERING SERVICE Co.,Ltd.

Patentee after: XI'AN SITAN INSTRUMENTS Co.,Ltd.

Address before: 710065 No. 22 Science and Technology Fifth Road, Xi'an High-tech Zone, Shaanxi Province

Patentee before: XI'AN SITAN INSTRUMENTS Co.,Ltd.

TR01 Transfer of patent right