CN211648067U - Oil recovery wellhead assembly convenient to it is clean - Google Patents

Oil recovery wellhead assembly convenient to it is clean Download PDF

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Publication number
CN211648067U
CN211648067U CN202021861355.7U CN202021861355U CN211648067U CN 211648067 U CN211648067 U CN 211648067U CN 202021861355 U CN202021861355 U CN 202021861355U CN 211648067 U CN211648067 U CN 211648067U
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China
Prior art keywords
oil recovery
wellhead assembly
oil
recovery wellhead
packing pad
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Active
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CN202021861355.7U
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Chinese (zh)
Inventor
刘志波
李义
庞元雷
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Dongying Huachen Petroleum Equipment Co ltd
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Dongying Huachen Petroleum Equipment Co ltd
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Abstract

The utility model discloses an oil recovery wellhead assembly convenient to it is clean, including oil recovery wellhead assembly body, oil recovery wellhead assembly body left and right sides fixedly connected with connecting pipe communicates each other between connecting pipe and the oil recovery wellhead assembly body to the connecting pipe other end has the stop valve through clamp fixed mounting, and the quantity of stop valve is both sides, is located the left and right sides of oil recovery wellhead assembly body respectively, and left stop valve has the end cap through clamp fixed mounting. The utility model discloses fix through clamp and fixed pin between each part to the part is few, simple structure, dismantles unusual convenience between each part, in the cleaning process, through injecting the washing liquid into in to oil pipe, and extrude to the oil pipe hanger through the plug connector, the flow of washing liquid with higher speed, thereby to the inside washing of oil recovery wellhead assembly body with higher speed, the cleaning efficiency is high, and the cleaning performance is good, and detachability between each part makes the cleaning performance better.

Description

Oil recovery wellhead assembly convenient to it is clean
Technical Field
The utility model particularly relates to an oil recovery wellhead assembly field specifically is an oil recovery wellhead assembly convenient to it is clean.
Background
The oil recovery well head device is the device that sets up at the oil recovery well head, current oil recovery well head device includes the production tree, the tubing head includes oil pipe cross and is located the tubing hanger of oil pipe cross, the tubing hanger is used for hanging, support the tubing string, under the action of gravity of tubing string and the laminating of tubing hanger middle part surface and oil pipe cross inner wall, can seal the annular space between oil pipe and the sleeve pipe, the jackscrew top is on the inclined plane of tubing hanger surface setting, the lower extreme and the bushing of oil pipe cross, the tubing string under the sleeve pipe, two sleeve pipe gate valves are respectively connected to two left and right exports of oil pipe cross, the production tree includes a lot of oil pipe gate valves, little cross, prevent spouting gate valve, the reducing flange, common setting is: the upper end of the oil pipe cross is sequentially connected with two blowout prevention gate valves, the upper end of each blowout prevention gate valve is connected with the lower end of a small cross, the upper end of the small cross is connected with the lower end of a third blowout prevention gate valve, the upper end of the third blowout prevention gate valve is connected with a reducing flange, the left outlet and the right outlet of the small cross are respectively connected with one or two oil pipe gate valves, and pressure gauges are further arranged at the end parts of the oil pipe gate valves and the sleeve pipe.
The existing wellhead device has the disadvantages of complex structure, many connecting interfaces, various components, inconvenient maintenance, inconvenience for cleaning, troublesome operation and time waste and influences on the working efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil recovery wellhead assembly convenient to it is clean 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 oil recovery wellhead assembly convenient to it is clean, including oil recovery wellhead assembly body, oil recovery wellhead assembly body left and right sides fixedly connected with connecting pipe, communicate each other between connecting pipe and the oil recovery wellhead assembly body, and the connecting pipe other end has the stop valve through clamp fixed mounting, the quantity of stop valve is two, be located the left and right sides of oil recovery wellhead assembly body respectively, left stop valve has the end cap through clamp fixed mounting, the stop valve on right side has the manometer through clamp fixed mounting, the relief valve is installed to the manometer opposite side.
As a further aspect of the present invention: and the front end of the stop valve is rotatably provided with a manual flat valve.
As a further aspect of the present invention: an oil pipe cavity is formed in the middle of the oil production wellhead device body, an oil pipe hanger is mounted above the inner portion of the oil pipe cavity, a plug connector is arranged on the upper surface of the left side of the oil pipe hanger and is in contact connection with the plug connector, and the plug connector penetrates through the inner portion of the oil production wellhead device body.
As a further aspect of the present invention: the plug connector is composed of a jackscrew, an upper packing pad, a sealing ring, a lower packing pad and a pressing cap, and the top end of the jackscrew is in contact with the tubing hanger.
As a further aspect of the present invention: the upper and lower two side surfaces of the left end of the jackscrew are provided with an upper packing pad and a lower packing pad, a sealing ring is arranged between the upper packing pad and the lower packing pad, and the other side of the lower packing pad is fixedly connected with a pressing cap.
As a further aspect of the present invention: the oil recovery wellhead assembly body is provided with an upper flange and a lower flange at the upper side and the lower side through fixing pins, and an oil pipe is fixedly connected inside the middle of the upper flange.
Compared with the prior art, the beneficial effects of the utility model are that:
1. fix through clamp and fixed pin between each part, and the part is few, simple structure, dismantle unusual convenience between each part, in the cleaning process, through injecting the washing liquid into oil pipe, and extrude to the oil pipe hanger through the plug connector, the flow of washing liquid with higher speed, thereby with higher speed to the inside washing of oil recovery wellhead assembly body, the cleaning efficiency is high, the cleaning performance is good, and detachability between each part makes the cleaning performance better.
2. In addition, in the cleaning process, the cleaning device is simple to operate, not only saves a large amount of cleaning time, but also reduces a large amount of manual work, reduces labor force and saves cost.
Drawings
Fig. 1 is a schematic diagram of a production wellhead for ease of cleaning.
Fig. 2 is a schematic diagram of the construction of a plug connection in a production wellhead assembly for ease of cleaning.
Fig. 3 is an exploded schematic view of a production wellhead assembly for ease of cleaning.
In the figure: 1-oil production wellhead device body, 2-oil pipe hanger, 3-upper flange, 4-fixed pin, 5-oil pipe cavity, 6-lower flange, 7-connecting pipe, 8-clamp, 9-stop valve, 10-manual flat valve, 11-pressure relief valve, 12-pressure gauge, 13-oil pipe, 14-plug joint, 15-jackscrew, 16-upper packing pad, 17-sealing ring, 18-lower packing pad, 19-pressure cap and 20-plug.
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 and 3, the oil extraction wellhead device convenient to clean comprises an oil extraction wellhead device body 1, connecting pipes 7 are fixedly connected to the left side and the right side of the oil extraction wellhead device body 1, an oil pipe cavity 5 is arranged inside the middle of the oil extraction wellhead device body 1, an oil pipe hanger 2 is mounted above the inside of the oil pipe cavity 5, a plug connector 14 is arranged on the upper surface of the left side of the oil pipe hanger 2 and is in contact connection with the plug connector 14, and the plug connector 14 penetrates through the inside of the oil extraction wellhead device body 1.
And the connecting pipe 7 is communicated with the oil extraction wellhead device body 1, the other end of the connecting pipe 7 is fixedly provided with two stop valves 9 through a hoop 8, the two stop valves 9 are respectively positioned at the left side and the right side of the oil extraction wellhead device body 1, the left stop valve 9 is fixedly provided with a choke plug 20 through the hoop 8, the right stop valve 9 is fixedly provided with a pressure gauge 12 through the hoop 8, the other side of the pressure gauge 12 is provided with a pressure relief valve 11, the pressure inside the oil extraction wellhead device body 1 is detected through the pressure gauge 12 and is adjusted through the pressure relief valve 11, so that the damage of the oil extraction wellhead device body 1 caused by overhigh pressure inside the oil extraction wellhead device body 1 is avoided, the service life of the oil extraction wellhead device body 1 is greatly prolonged, the front end of the stop valve 9 is rotatably provided with a manual flat valve 10, and the stop valve 9 is controlled to be opened and closed through the manual flat valve 10.
Secondly, referring to fig. 2, the plug connector 14 is composed of a jackscrew 15, an upper packing pad 16, a sealing ring 17, a lower packing pad 18 and a pressing cap 19, the top end of the jackscrew 15 is in contact with the tubing hanger 2, the upper and lower side surfaces of the left end of the jackscrew 15 are provided with the upper packing pad 16 and the lower packing pad 18, the sealing ring 17 is installed between the upper packing pad 16 and the lower packing pad 18, the pressing cap 19 is fixedly connected to the other side of the lower packing pad 18, and the jackscrew 15 is driven to extrude the tubing hanger 2 by extruding the pressing cap 19, so that downward pressure is generated in the tubing cavity 5, the flow of cleaning fluid or oil inside the tubing cavity 5 is accelerated, the work of the tubing cavity is accelerated, and the work efficiency is greatly improved.
Example two
Referring to fig. 1 and 3, the oil extraction wellhead device convenient to clean comprises an oil extraction wellhead device body 1, connecting pipes 7 are fixedly connected to the left side and the right side of the oil extraction wellhead device body 1, an oil pipe cavity 5 is arranged inside the middle of the oil extraction wellhead device body 1, an oil pipe hanger 2 is mounted above the inside of the oil pipe cavity 5, a plug connector 14 is arranged on the upper surface of the left side of the oil pipe hanger 2 and is in contact connection with the plug connector 14, and the plug connector 14 penetrates through the inside of the oil extraction wellhead device body 1.
And the connecting pipe 7 is communicated with the oil extraction wellhead device body 1, the other end of the connecting pipe 7 is fixedly provided with two stop valves 9 through a hoop 8, the two stop valves 9 are respectively positioned at the left side and the right side of the oil extraction wellhead device body 1, the left stop valve 9 is fixedly provided with a choke plug 20 through the hoop 8, the right stop valve 9 is fixedly provided with a pressure gauge 12 through the hoop 8, the other side of the pressure gauge 12 is provided with a pressure relief valve 11, the pressure inside the oil extraction wellhead device body 1 is detected through the pressure gauge 12 and is adjusted through the pressure relief valve 11, so that the damage of the oil extraction wellhead device body 1 caused by overhigh pressure inside the oil extraction wellhead device body 1 is avoided, the service life of the oil extraction wellhead device body 1 is greatly prolonged, the front end of the stop valve 9 is rotatably provided with a manual flat valve 10, and the stop valve 9 is controlled to be opened and closed through the manual flat valve 10.
Secondly, referring to fig. 2, the plug connector 14 is composed of a jackscrew 15, an upper packing pad 16, a sealing ring 17, a lower packing pad 18 and a pressing cap 19, the top end of the jackscrew 15 is in contact with the tubing hanger 2, the upper and lower side surfaces of the left end of the jackscrew 15 are provided with the upper packing pad 16 and the lower packing pad 18, the sealing ring 17 is installed between the upper packing pad 16 and the lower packing pad 18, the pressing cap 19 is fixedly connected to the other side of the lower packing pad 18, and the jackscrew 15 is driven to extrude the tubing hanger 2 by extruding the pressing cap 19, so that downward pressure is generated in the tubing cavity 5, the flow of cleaning fluid or oil inside the tubing cavity 5 is accelerated, the work of the tubing cavity is accelerated, and the work efficiency is greatly improved.
Referring to fig. 3, the difference between the second embodiment and the first embodiment is that an upper flange 3 and a lower flange 6 are fixedly installed on the upper side and the lower side of the wellhead device body 1 through fixing pins 4, an oil pipe 13 is fixedly connected to the middle of the upper flange 3, the oil pipe 13 is used as a cleaning interface, and cleaning liquid is injected into the wellhead device body 1, so that the wellhead device body 1 is quickly cleaned, and the wellhead device is opened during cleaning, and is blocked when not in use, and is convenient to use.
The utility model discloses a theory of operation is: through injecting the washing liquid into oil pipe 13 in the cleaning process to extrude to tubing hanger 2 through plug connector 14, the flow of washing liquid accelerates, thereby to the inside washing of oil recovery wellhead assembly body 1 with higher speed, the cleaning efficiency is high, and the cleaning performance is good, and detachability between each part makes the cleaning performance better, and the part after the dismantlement can carry out further manual cleaning, so greatly increased's clean effect. In addition, in the cleaning process, the cleaning device is simple to operate, not only saves a large amount of cleaning time, but also reduces a large amount of manual work, reduces labor force and saves cost.
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. The utility model provides an oil recovery wellhead assembly convenient to it is clean, including oil recovery wellhead assembly body (1), oil recovery wellhead assembly body (1) left and right sides fixedly connected with connecting pipe (7), a serial communication port, communicate each other between connecting pipe (7) and oil recovery wellhead assembly body (1), and connecting pipe (7) other end has stop valve (9) through clamp (8) fixed mounting, the quantity of stop valve (9) is two, be located the left and right sides of oil recovery wellhead assembly body (1) respectively, left stop valve (9) have end cap (20) through clamp (8) fixed mounting, stop valve (9) on right side have manometer (12) through clamp (8) fixed mounting, relief valve (11) are installed to manometer (12) opposite side.
2. A production wellhead convenient to clean as claimed in claim 1 characterised in that the shut-off valve (9) is rotatably mounted at its forward end with a manual flat valve (10).
3. The oil recovery wellhead device convenient to clean as claimed in claim 1, characterized in that an oil pipe cavity (5) is arranged inside the middle of the oil recovery wellhead device body (1), a tubing hanger (2) is arranged above the inside of the oil pipe cavity (5), a plug connector (14) is arranged on the upper surface of the left side of the tubing hanger (2) and is in contact connection with the plug connector (14), and the plug connector (14) penetrates through the inside of the oil recovery wellhead device body (1).
4. A production wellhead assembly to facilitate cleaning as claimed in claim 3 characterised in that the plug sub (14) consists of a jackscrew (15), an upper packing pad (16), a sealing ring (17), a lower packing pad (18) and a gland (19) and the top end of the jackscrew (15) is in contact with the tubing hanger (2).
5. A production wellhead device convenient for cleaning according to claim 4 characterized in that the upper and lower surfaces of the left end of the jackscrew (15) are provided with an upper packing pad (16) and a lower packing pad (18), a sealing ring (17) is installed between the upper packing pad (16) and the lower packing pad (18), and the other side of the lower packing pad (18) is fixedly connected with a pressure cap (19).
6. The oil recovery wellhead device convenient for cleaning as claimed in claim 1, characterized in that the upper and lower sides of the oil recovery wellhead device body (1) are fixedly provided with an upper flange (3) and a lower flange (6) by fixing pins (4), and an oil pipe (13) is fixedly connected in the middle of the upper flange (3).
CN202021861355.7U 2020-08-31 2020-08-31 Oil recovery wellhead assembly convenient to it is clean Active CN211648067U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021861355.7U CN211648067U (en) 2020-08-31 2020-08-31 Oil recovery wellhead assembly convenient to it is clean

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021861355.7U CN211648067U (en) 2020-08-31 2020-08-31 Oil recovery wellhead assembly convenient to it is clean

Publications (1)

Publication Number Publication Date
CN211648067U true CN211648067U (en) 2020-10-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021861355.7U Active CN211648067U (en) 2020-08-31 2020-08-31 Oil recovery wellhead assembly convenient to it is clean

Country Status (1)

Country Link
CN (1) CN211648067U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113417598A (en) * 2021-07-22 2021-09-21 齐冬雪 Anti-freezing and anti-blocking single-pipe wellhead flow device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113417598A (en) * 2021-07-22 2021-09-21 齐冬雪 Anti-freezing and anti-blocking single-pipe wellhead flow device
CN113417598B (en) * 2021-07-22 2021-12-24 齐冬雪 Anti-freezing and anti-blocking single-pipe wellhead flow device

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