CN111101891A - Valve for oil well - Google Patents
Valve for oil well Download PDFInfo
- Publication number
- CN111101891A CN111101891A CN201910124364.3A CN201910124364A CN111101891A CN 111101891 A CN111101891 A CN 111101891A CN 201910124364 A CN201910124364 A CN 201910124364A CN 111101891 A CN111101891 A CN 111101891A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- sleeve
- rod
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003129 oil well Substances 0.000 title claims abstract description 20
- 238000005406 washing Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 9
- 239000010779 crude oil Substances 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/16—Control means therefor being outside the borehole
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention relates to a valve for an oil well, which comprises a base, a valve body, a first valve, a second valve and a third valve, wherein the valve body is arranged on the base; the base is connected with an oil well wellhead flange; the valve body is integrally connected with the base, the inner cavity of the valve body is in a straight cylinder shape, and three valve ports are arranged on the valve body; the first valve is arranged at the side end of the valve body; the second valve is arranged at the side end of the valve body and is opposite to the first valve; the third valve is arranged right above the valve body; when the first valve is used for a wellhead, the first valve can be directly installed on the wellhead without additionally installing a conversion reducing short section, so that the cost is reduced, the construction efficiency is improved, and potential maintenance nodes are reduced; the second valve realizes well washing operation, the water mixing valve rod timely adjusts water mixing flow, single well back pressure is monitored at any time, labor force is reduced, labor intensity of workers is reduced, the valve has two purposes, and functions are strong; the third valve is simple in structure, manual operation is not needed, accident crude oil is prevented from leaking, and crude oil is prevented from being stolen.
Description
Technical Field
The invention relates to the field of oilfield exploitation equipment, in particular to a valve for an oil well.
Background
In the process of oil exploitation, a conversion reducing short section is generally required to be additionally arranged in the installation of a valve to realize smooth connection, so that the cost is increased, the construction efficiency is reduced, potential maintenance nodes are more, and the maintenance at any time cannot be realized;
in the process of oil exploitation, the valve used by the existing oil collecting pipe is complex in structure and must be opened, and the valve is in a normally open state, so that back pressure leakage is easy to generate, and oil stealing is easy to utilize;
in the process of oil exploitation, because the wax and asphaltene components of oil in an oil reservoir are high in content or enter the middle and later stages of oil field exploitation, the light components in the crude oil are reduced, and the wax and asphaltene components are high in content, and in the process of conveying the crude oil to the ground in a shaft, the wax in the crude oil is separated out in the form of crystals and is gathered and settled on the wall surface of the pipe wall and the wall surface of a sucker rod, namely, the wax precipitation phenomenon of the shaft of the oil well occurs. The wax deposition of the oil well can cause the blockage of the oil well, influence the yield, and seriously cause the accidents of production stop or damage of oil extraction equipment, so an anti-scaling and anti-wax deposition well washing valve must be additionally arranged to ensure the normal operation of the oil well.
And current do not have a many valve bodies, realize the combination to above-mentioned function, and then reduce the overground part size of oil well to and reduce the maintenance cost of valve, make its structure rationalize, it is more convenient to use, it is more convenient to change, and can realize handling one place.
Therefore, a valve for oil well, which has reasonable design, combines a plurality of valve bodies and is convenient to use, is needed to solve the problems.
Disclosure of Invention
In view of the above, the invention provides the oil well valve which is reasonable in design, combines a plurality of valve bodies and is convenient to use.
In order to achieve the purpose, the invention adopts the following technical scheme: a valve for oil well comprises
The base is connected with an oil well wellhead flange;
the valve body is integrally connected with the base, the inner cavity of the valve body is in a straight cylinder shape, and three valve ports are arranged on the valve body;
the first valve is arranged at the side end of the valve body and comprises a first valve body and a second valve body; the valve comprises a first valve rod, a first valve core, a first handle and a first valve sleeve; the first valve sleeve is connected with the valve body through a flange, the inner diameters of the inner cavities of the first valve sleeve and the valve body are the same, the first valve rod penetrates through the first valve sleeve, the first valve core is connected with one end of the first valve rod and arranged in the valve body to be in sliding sealing connection with the valve body, and the first handle is connected with the other end of the first valve rod;
the second valve is arranged at the side end of the valve body and is opposite to the first valve in position; the second valve comprises a ball seat, a ball body, a spring seat and a second valve sleeve; the oil inlet end of the second valve sleeve is connected with the valve body flange, the ball seat is in threaded connection with the oil inlet end of the second valve sleeve, the contact surface of the ball seat and the ball body is a spherical surface, the spring seat is arranged at the oil outlet end of the second valve sleeve, and the spring is arranged between the ball body and the spring seat;
a third valve, the third valve is located directly over the valve body, the third valve includes: the locking wheel, the second handle, the water mixing valve rod, the well washing valve rod and the third valve sleeve; the third valve sleeve is connected with the valve body through a flange, the well washing valve rod is in coaxial concentric sealing threaded connection with the valve sleeve, the watering valve rod is in coaxial concentric sealing threaded connection with the well washing valve rod, the second handle is fixed on the well washing valve rod, and the locking wheel is fixed on the watering valve rod.
When the first valve is used for a wellhead, the first valve can be directly installed on the wellhead without additionally installing a conversion reducing short section, so that the cost is reduced, the construction efficiency is improved, and potential maintenance nodes are reduced; the second valve realizes well washing operation, the watering valve rod timely adjusts watering flow, single well back pressure is monitored at any time, watering operation is controlled without frequently going to and fro between a well head and a metering room, labor is reduced, labor intensity of workers is reduced, the valve has two functions and powerful functions, and the well head device can replace the traditional field ground watering flow assembly well head device; the third valve is simple in structure, manual operation is not needed, accident crude oil is prevented from leaking, and crude oil is prevented from being stolen.
The invention realizes the combination of the functions, further reduces the size of the overground part of the oil well, reduces the maintenance cost of the valve, rationalizes the structure, is more convenient to use and replace, can realize one-place treatment, and reduces the inspection monitoring intensity of personnel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
in the figure: the valve comprises a base 1, a valve body 2, a first valve 3, a second valve 4, a third valve 5, a first valve rod 31, a first valve core 32, a first handle 33, a first valve sleeve 34, a ball seat 41, a ball 42, a spring 43, a spring seat 44, a second valve sleeve 45, a locking wheel 51, a second handle 52, a water mixing valve rod 53, a well washing valve rod 54 and a third valve sleeve 55.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below in detail 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 a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1: a valve for an oil well comprising: the valve comprises a base 1, a valve body 2, a first valve 3, a second valve 4 and a third valve 5;
the base 1 is connected with an oil well wellhead flange;
the valve body 2 is integrally connected with the base 1, the inner cavity of the valve body 2 is in a straight cylinder shape, and three valve ports are arranged on the valve body 2;
the first valve 3 is arranged at the side end of the valve body 2, and the first valve 3 comprises; a first valve stem 31, a first valve core 32, a first handle 33, a first valve sleeve 34; the first valve sleeve 34 is in flange connection with the valve body 2, the inner diameters of the inner cavities are the same, the first valve rod 31 penetrates through the first valve sleeve 34, the first valve core 32 is connected with one end of the first valve rod 31 and arranged inside the valve body 2 to be in sliding sealing connection with the valve body 2, and the first handle 33 is connected with the other end of the first valve rod 31;
the second valve 4 is arranged at the side end of the valve body 2, and the second valve 4 is arranged opposite to the first valve 3; the second valve 4 comprises a ball seat 41, a ball 42, a spring 43, a spring seat 44, a second valve sleeve 45; the oil inlet end of the second valve sleeve 45 is connected with the flange of the valve body 2, the ball seat 41 is connected with the oil inlet end of the second valve sleeve 45 in a threaded manner, the contact surface of the ball seat 41 and the ball 42 is a spherical surface, the spring seat 44 is arranged at the oil outlet end of the second valve sleeve 45, and the spring 43 is arranged between the ball 42 and the spring seat 44;
third valve 5, third valve 5 locates directly over valve body 2, and third valve 5 includes: a locking wheel 51, a second handle 52, a watering valve rod 53, a well washing valve rod 54 and a third valve sleeve 55; the third valve sleeve 55 is in flange connection with the valve body 2, the well washing valve rod 54 is in coaxial concentric sealing threaded connection with the valve sleeve 55, the water mixing valve rod 43 is in coaxial concentric sealing threaded connection with the well washing valve rod 54, the second handle 52 is fixed on the well washing valve rod 54, and the locking wheel 51 is fixed on the water mixing valve rod 43.
When the first valve 3 is used for a wellhead, the first valve can be directly installed on the wellhead without additionally installing a conversion reducing short section, so that the cost is reduced, the construction efficiency is improved, and potential maintenance nodes are reduced; the second valve 4 realizes well washing operation, the watering valve rod timely adjusts watering flow, single well back pressure is monitored at any time, watering operation is controlled without frequently going to and fro between a well head and a metering room, labor is reduced, labor intensity of workers is reduced, the valve has two functions, and strong functions, and can replace the traditional field ground watering flow to assemble a well head device; the third valve 5 has a simple structure, does not need manual operation, prevents accident crude oil from leaking and prevents crude oil from being stolen.
This embodiment realizes the combination to above-mentioned function, and then reduces the overground part size of oil well to and reduce the maintenance cost of valve, make its structure rationalize, it is more convenient to use, and it is more convenient to change, and can realize handling one place, has reduced personnel and has patrolled the control dynamics.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (1)
1. A valve for oil well is characterized by comprising
The base is connected with an oil well wellhead flange;
the valve body is integrally connected with the base, the inner cavity of the valve body is in a straight cylinder shape, and three valve ports are arranged on the valve body;
the first valve is arranged at the side end of the valve body and comprises a first valve body and a second valve body; the valve comprises a first valve rod, a first valve core, a first handle and a first valve sleeve; the first valve sleeve is connected with the valve body through a flange, the inner diameters of the inner cavities of the first valve sleeve and the valve body are the same, the first valve rod penetrates through the first valve sleeve, the first valve core is connected with one end of the first valve rod and arranged in the valve body to be in sliding sealing connection with the valve body, and the first handle is connected with the other end of the first valve rod;
the second valve is arranged at the side end of the valve body and is opposite to the first valve in position; the second valve comprises a ball seat, a ball body, a spring seat and a second valve sleeve; the oil inlet end of the second valve sleeve is connected with the valve body flange, the ball seat is in threaded connection with the oil inlet end of the second valve sleeve, the contact surface of the ball seat and the ball body is a spherical surface, the spring seat is arranged at the oil outlet end of the second valve sleeve, and the spring is arranged between the ball body and the spring seat;
a third valve, the third valve is located directly over the valve body, the third valve includes: the locking wheel, the second handle, the water mixing valve rod, the well washing valve rod and the third valve sleeve; the third valve sleeve is connected with the valve body through a flange, the well washing valve rod is in coaxial concentric sealing threaded connection with the valve sleeve, the watering valve rod is in coaxial concentric sealing threaded connection with the well washing valve rod, the second handle is fixed on the well washing valve rod, and the locking wheel is fixed on the watering valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910124364.3A CN111101891A (en) | 2019-02-19 | 2019-02-19 | Valve for oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910124364.3A CN111101891A (en) | 2019-02-19 | 2019-02-19 | Valve for oil well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111101891A true CN111101891A (en) | 2020-05-05 |
Family
ID=70420407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910124364.3A Pending CN111101891A (en) | 2019-02-19 | 2019-02-19 | Valve for oil well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111101891A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202447A (en) * | 2021-06-21 | 2021-08-03 | 穆洪升 | Water-mixing flow combined wellhead device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2051667U (en) * | 1989-08-10 | 1990-01-24 | 印虎臣 | Automatic valve for oil pumping wells |
| CN202215470U (en) * | 2011-08-09 | 2012-05-09 | 刘延凤 | Check valve for improving pumping efficiency of oil pump |
| CN203531821U (en) * | 2013-10-18 | 2014-04-09 | 江苏金石富源机械有限公司 | Blowout prevention combined valve type Christmas tree |
| CN203808931U (en) * | 2014-05-12 | 2014-09-03 | 高林森 | Novel thermal recovery steam injection wellhead device |
| CN104976351A (en) * | 2015-05-15 | 2015-10-14 | 中国石油天然气集团公司 | Combined valve with functions of water mixing and thermal washing |
| CN204804765U (en) * | 2015-08-05 | 2015-11-25 | 河北新铁虎石油机械有限公司 | Reducing valve for oil well wellhead |
| CN205297469U (en) * | 2015-12-09 | 2016-06-08 | 中国石油天然气股份有限公司 | Device is flowed in oil jacket management and control |
| CN206220926U (en) * | 2016-11-14 | 2017-06-06 | 中国石油天然气股份有限公司 | Oil well electrical heating wellhead assembly |
| CN106812484A (en) * | 2015-11-27 | 2017-06-09 | 璧典匠 | One kind is used for oilfield Multifunctional control valve |
| US20180163498A1 (en) * | 2010-06-02 | 2018-06-14 | Rudolf H. Hendel | Enhanced hydrocarbon well blowout protection |
-
2019
- 2019-02-19 CN CN201910124364.3A patent/CN111101891A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2051667U (en) * | 1989-08-10 | 1990-01-24 | 印虎臣 | Automatic valve for oil pumping wells |
| US20180163498A1 (en) * | 2010-06-02 | 2018-06-14 | Rudolf H. Hendel | Enhanced hydrocarbon well blowout protection |
| CN202215470U (en) * | 2011-08-09 | 2012-05-09 | 刘延凤 | Check valve for improving pumping efficiency of oil pump |
| CN203531821U (en) * | 2013-10-18 | 2014-04-09 | 江苏金石富源机械有限公司 | Blowout prevention combined valve type Christmas tree |
| CN203808931U (en) * | 2014-05-12 | 2014-09-03 | 高林森 | Novel thermal recovery steam injection wellhead device |
| CN104976351A (en) * | 2015-05-15 | 2015-10-14 | 中国石油天然气集团公司 | Combined valve with functions of water mixing and thermal washing |
| CN204804765U (en) * | 2015-08-05 | 2015-11-25 | 河北新铁虎石油机械有限公司 | Reducing valve for oil well wellhead |
| CN106812484A (en) * | 2015-11-27 | 2017-06-09 | 璧典匠 | One kind is used for oilfield Multifunctional control valve |
| CN205297469U (en) * | 2015-12-09 | 2016-06-08 | 中国石油天然气股份有限公司 | Device is flowed in oil jacket management and control |
| CN206220926U (en) * | 2016-11-14 | 2017-06-06 | 中国石油天然气股份有限公司 | Oil well electrical heating wellhead assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202447A (en) * | 2021-06-21 | 2021-08-03 | 穆洪升 | Water-mixing flow combined wellhead device |
| CN113202447B (en) * | 2021-06-21 | 2021-12-28 | 大庆亿源石油科技开发有限公司 | Water-mixing flow combined wellhead device |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200505 |
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| RJ01 | Rejection of invention patent application after publication |