CN211648077U - Anti-leakage oil field water injection wellhead device - Google Patents
Anti-leakage oil field water injection wellhead device Download PDFInfo
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- CN211648077U CN211648077U CN202021866190.2U CN202021866190U CN211648077U CN 211648077 U CN211648077 U CN 211648077U CN 202021866190 U CN202021866190 U CN 202021866190U CN 211648077 U CN211648077 U CN 211648077U
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- water injection
- wellhead device
- injection wellhead
- oilfield
- leakage
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Abstract
The utility model discloses an antiseep oil field water injection well head device, including the cross pipeline, both sides and left side fixedly connected with connecting pipe about the cross pipeline to and communicate each other between the connecting pipe, the connecting pipe other end passes through clamp fixedly connected with connecting piece, and connecting piece other end fixed mounting has water injection well head device body, and this internal below of water injection well head device is provided with the water injection chamber, is provided with the valve plate in the middle of the water injection chamber, and the inside top fixed mounting of valve plate has the case, and case middle part cover has O type sealing washer, the manual wafer valve is installed through rolling bearing rotation in the case upper end. The utility model discloses an O type sealing washer and V type sealing washer are installed at this internal connection position of water injection well head device to all carry out the sealing connection through the clamp at every kneck, greatly increased the leakproofness of water injection well head device body when using, avoid the phenomenon of seepage to take place, prevented loss and pollution that the seepage caused.
Description
Technical Field
The utility model particularly relates to a water injection wellhead assembly field specifically is a antiseep oil field water injection wellhead assembly.
Background
The oil field water injection wellhead device is a device arranged on an oil extraction wellhead, and the existing oil field water injection wellhead device comprises an oil extraction tree and a tubing head. The oil field refers to the sum of oil and gas reservoirs in the same oil and gas production area under the control of a single geological structure factor, the total oil and gas reservoirs generally have the reserves of more than 5 hundred million tons and are super-huge oil fields, more than 7000 million tons and 1 hundred million tons are large oil fields, less than 7000 million tons are medium and small oil fields, possible oil wells and annual output need to be calculated, the reserves of some oil fields are large, but the output is not necessarily high, and the method is mainly influenced by the driving capability of the oil fields. The oil fields in China can be exploited formally only if the reserves are carefully calculated and the yield is really of exploitation economic value, and the reason that the geographical positions of the oil fields are superior and 41000 oil fields are discovered and exploited all over the world currently, the number of the gas fields is about 26000, and the total oil reserves are 1368.7 hundred million tons, and the oil fields are mainly distributed in 160 large basins in China.
The existing oilfield water injection wellhead device has poor sealing performance in the using process, is easy to leak, not only causes serious loss, but also can cause pollution to the oilfield water injection wellhead device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an antiseep oil field water injection well head device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an antiseep oil field water injection wellhead assembly, includes the cross pipeline, both sides and left side fixedly connected with connecting pipe about the cross pipeline to and communicate each other between the connecting pipe, the connecting pipe other end passes through clamp fixedly connected with connecting piece, and connecting piece other end fixed mounting has water injection wellhead assembly body, and this internal inside below of water injection wellhead assembly is provided with the water injection chamber, is provided with the valve plate in the middle of the water injection chamber, and the inside top fixed mounting of valve plate has the case, and case middle part cover has O type sealing washer to link to each other with water injection intracavity wall contact, the case upper end is rotated through rolling bearing and is installed manual flat valve to the cover has V type sealing washer.
As a further aspect of the present invention: the right side of the four-way pipeline is detachably provided with a blocking plate through a connecting pipe.
As a further aspect of the present invention: the other end of the water injection wellhead device body is fixedly provided with a pressure gauge through a clamp.
As a further aspect of the present invention: the pressure gauge is fixedly provided with a pressure regulating valve at the other side, and a flange is fixedly arranged on the water injection wellhead device body at the lower part through a hoop.
As a further aspect of the present invention: the water injection cavity is communicated with the four-way pipeline through a connecting pipe.
As a further aspect of the present invention: the O-shaped sealing ring and the V-shaped sealing ring are made of rubber materials.
Compared with the prior art, the beneficial effects of the utility model are that:
1. o type sealing washer and V type sealing washer are installed through the connection position in this body of water injection well head device to all carry out airtight connection through the clamp at every kneck, greatly increased the leakproofness of water injection well head device body when using, avoid the phenomenon of seepage to take place, prevented loss and pollution that the seepage caused.
2. Increase the water injection wellhead assembly body through tearing the closure plate open, be favorable to sharing of device internal pressure, the pressure that other water injection wellhead assembly bodies bore has been reduced, be favorable to the protection of water injection wellhead assembly body, prolong its life, and carry out manual pressure regulating through the manual regulation air-vent valve, realize the better protection to the water injection wellhead assembly body, and can reduce the inside pressure of water injection wellhead assembly body through partial pressure and pressure regulating, antiseep that also can be fine.
Drawings
Fig. 1 is a schematic structural diagram of a water injection wellhead device for an anti-leakage oil field.
Fig. 2 is an internal structure schematic diagram of a wellhead assembly in a leak-proof oilfield flooding wellhead assembly.
Fig. 3 is a schematic structural diagram of an O-shaped sealing ring in an anti-leakage oilfield water injection wellhead device.
FIG. 4 is a schematic structural diagram of a second embodiment in an anti-seepage oilfield flooding wellhead assembly.
In the figure: the device comprises a four-way pipeline 1, a connecting piece 2, a connecting pipe 3, a clamp 4, a manual flat valve 5, a pressure gauge 6, a pressure regulating valve 7, a flange 8, a blocking plate 9, a water injection wellhead device body 10, a water injection cavity 11, a valve plate 12, a valve core 13, an O-shaped sealing ring 14, a V-shaped sealing ring 15 and a rotary bearing 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1-3, an anti-seepage oilfield water injection wellhead device comprises a four-way pipeline 1, wherein connecting pipes 3 are fixedly connected to the upper side, the lower side and the left side of the four-way pipeline 1 and are communicated with the connecting pipes 3, the other ends of the connecting pipes 3 are fixedly connected with a connecting piece 2 through a hoop 4, and a water injection wellhead device body 10 is fixedly installed at the other end of the connecting piece 2.
And, a water injection cavity 11 is arranged below the inner part of the water injection wellhead device body 10, a valve plate 12 is arranged in the middle of the water injection cavity 11, a valve core 13 is fixedly arranged above the inner part of the valve plate 12, an O-shaped sealing ring 14 is sleeved in the middle of the valve core 13 and is connected with the inner wall of the water injection cavity 11 in a contact manner, a manual flat valve 5 is rotatably arranged at the upper end of the valve core 13 through a rotating bearing 16, a V-shaped sealing ring 15 is sleeved between the valve core 13 and the rotating bearing 16, the O-shaped sealing ring 14 and the V-shaped sealing ring 15 are made of rubber materials, the sealing effect of the O-shaped sealing ring is better due to the flexibility of the.
Secondly, water injection wellhead assembly body 10 other end has manometer 6 through 4 fixed mounting of clamp, 6 opposite side fixed mounting of manometer has air-vent valve 7, carry out manual pressure regulating through manual regulation air-vent valve 7, realize the better protection to water injection wellhead assembly body 10, and can reduce the inside pressure of water injection wellhead assembly body 10 through partial pressure and pressure regulating, antiseep that also can be fine, and water injection wellhead assembly body 10 of below has flange 8 through 4 fixed mounting of clamp, be convenient for be connected with other parts through flange 8.
Example two
Referring to fig. 1-3, an anti-seepage oilfield water injection wellhead device comprises a four-way pipeline 1, wherein connecting pipes 3 are fixedly connected to the upper side, the lower side and the left side of the four-way pipeline 1 and are communicated with the connecting pipes 3, the other ends of the connecting pipes 3 are fixedly connected with a connecting piece 2 through a hoop 4, and a water injection wellhead device body 10 is fixedly installed at the other end of the connecting piece 2.
And, a water injection cavity 11 is arranged below the inner part of the water injection wellhead device body 10, a valve plate 12 is arranged in the middle of the water injection cavity 11, a valve core 13 is fixedly arranged above the inner part of the valve plate 12, an O-shaped sealing ring 14 is sleeved in the middle of the valve core 13 and is connected with the inner wall of the water injection cavity 11 in a contact manner, a manual flat valve 5 is rotatably arranged at the upper end of the valve core 13 through a rotating bearing 16, a V-shaped sealing ring 15 is sleeved between the valve core 13 and the rotating bearing 16, the O-shaped sealing ring 14 and the V-shaped sealing ring 15 are made of rubber materials, the sealing effect of the O-shaped sealing ring is better due to the flexibility of the.
Secondly, water injection wellhead assembly body 10 other end has manometer 6 through 4 fixed mounting of clamp, 6 opposite side fixed mounting of manometer has air-vent valve 7, carry out manual pressure regulating through manual regulation air-vent valve 7, realize the better protection to water injection wellhead assembly body 10, and can reduce the inside pressure of water injection wellhead assembly body 10 through partial pressure and pressure regulating, antiseep that also can be fine, and water injection wellhead assembly body 10 of below has flange 8 through 4 fixed mounting of clamp, be convenient for be connected with other parts through flange 8.
Referring to fig. 4, the difference between the second embodiment and the first embodiment is that a blocking plate 9 is detachably installed on the right side of the four-way pipeline 1 through a connecting pipe 3, and the blocking plate 9 is removed to increase the pressure of the water injection wellhead device body 10, so that the pressure sharing of the device is facilitated, the pressure born by other water injection wellhead device bodies 10 is reduced, the protection of the water injection wellhead device body 10 is facilitated, and the service life of the water injection wellhead device body is prolonged.
The utility model discloses a theory of operation is: by installing the O-shaped sealing ring 14 and the V-shaped sealing ring 15 at the connection part in the water injection wellhead device body 10, and each interface is hermetically connected through the clamp 4, so that the sealing performance of the water injection wellhead device body 10 is greatly improved when in use, the leakage phenomenon is avoided, the loss and pollution caused by leakage are prevented, and the water injection wellhead device body 10 is increased by removing the plugging plate 9, thereby being beneficial to sharing the pressure in the device, reducing the pressure born by other water injection wellhead device bodies 10, being beneficial to protecting the water injection wellhead device body 10 and prolonging the service life of the water injection wellhead device body 10, and the pressure is manually regulated by manually regulating the pressure regulating valve 7, so that the water injection wellhead device body 10 is better protected, and can reduce the inside pressure of water injection wellhead assembly body 10 through partial pressure and pressure regulating, antiseep that also can be fine.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. An anti-leakage oilfield water injection wellhead device comprises a four-way pipeline (1), connecting pipes (3) are fixedly connected to the upper side, the lower side and the left side of the four-way pipeline (1) and communicated with the connecting pipes (3), connecting pieces (2) are fixedly connected to the other ends of the connecting pipes (3) through clamping hoops (4), a water injection wellhead device body (10) is fixedly mounted at the other ends of the connecting pieces (2), and the anti-leakage oilfield water injection wellhead device is characterized in that a water injection cavity (11) is arranged below the inner portion of the water injection wellhead device body (10), a valve plate (12) is arranged in the middle of the water injection cavity (11), a valve core (13) is fixedly mounted above the inner portion of the valve plate (12), an O-shaped sealing ring (14) is sleeved at the middle of the valve core (13) and is connected with the inner wall of the water, and a V-shaped sealing ring (15) is sleeved between the valve core (13) and the rotating bearing (16).
2. The anti-leakage oilfield flooding wellhead device according to claim 1, wherein the right side of the four-way pipeline (1) is detachably provided with a blocking plate (9) through a connecting pipe (3).
3. The anti-leakage oilfield water flooding wellhead assembly according to claim 1, wherein a pressure gauge (6) is fixedly mounted at the other end of the water flooding wellhead assembly body (10) through a clamp (4).
4. The anti-leakage oilfield water injection wellhead device according to claim 3, wherein the pressure gauge (6) is fixedly provided with a pressure regulating valve (7) at the other side, and the water injection wellhead device body (10) at the lower part is fixedly provided with a flange (8) through a hoop (4).
5. The anti-leakage oilfield flooding wellhead device according to claim 1, characterized in that the flooding cavity (11) is communicated with the four-way pipeline (1) through a connecting pipe (3).
6. The wellhead assembly for anti-seepage oilfield flooding according to claim 1, wherein the O-ring (14) and the V-ring (15) are made of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021866190.2U CN211648077U (en) | 2020-08-31 | 2020-08-31 | Anti-leakage oil field water injection wellhead device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021866190.2U CN211648077U (en) | 2020-08-31 | 2020-08-31 | Anti-leakage oil field water injection wellhead device |
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| CN211648077U true CN211648077U (en) | 2020-10-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117027744A (en) * | 2023-10-07 | 2023-11-10 | 东营华辰石油装备有限公司 | Concentric water distribution regulator integrating measuring and adjusting |
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2020
- 2020-08-31 CN CN202021866190.2U patent/CN211648077U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117027744A (en) * | 2023-10-07 | 2023-11-10 | 东营华辰石油装备有限公司 | Concentric water distribution regulator integrating measuring and adjusting |
| CN117027744B (en) * | 2023-10-07 | 2023-12-05 | 东营华辰石油装备有限公司 | Concentric water distribution regulator integrating measuring and adjusting |
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