CN106763884B - Oil-stabilizing water control valve - Google Patents
Oil-stabilizing water control valve Download PDFInfo
- Publication number
- CN106763884B CN106763884B CN201710011363.9A CN201710011363A CN106763884B CN 106763884 B CN106763884 B CN 106763884B CN 201710011363 A CN201710011363 A CN 201710011363A CN 106763884 B CN106763884 B CN 106763884B
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- water
- oil
- stratum
- valve
- stabilizing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
Abstract
The oil-stabilizing and water-controlling valve comprises a valve body, wherein a first liquid port and a second liquid port are formed in the valve body, a plurality of annular flow channels are formed in the valve body, the annular flow channels are sequentially nested from inside to outside, and adjacent annular flow channels are communicated; the first liquid port is communicated with the annular flow channel on the outermost side, and the second liquid port is communicated with the annular flow channel on the innermost side. According to the oil-stabilizing and water-controlling valve provided by the invention, in the use process, the stratum crude oil and the stratum water enter the oil-stabilizing and water-controlling valve, the generated centrifugal force is different due to different viscosities and densities of the stratum crude oil and the stratum water, the stratum crude oil flows in the circumferential direction, and the stratum water flows in the radial direction, so that the crude oil and the water are automatically distinguished, the over-flow of the stratum crude oil is large, and the over-flow of the stratum water is small.
Description
Technical Field
The present invention relates to oil engineering technology, and is especially one kind of oil stabilizing and water controlling valve.
background
The oil stabilization and water control are the necessary ways to control the oil gas production cost and improve the oil field development benefit, and the water control mode is various, and the current common mode is to control water by using a water control tool. In the oil and gas industry, more and more horizontal wells and highly deviated wells are used at present, and particularly in the field of offshore oil, the number of the horizontal wells and the highly deviated wells is more and more. In the process of oil production of the horizontal well, because the pumping pressure of each stratum of the horizontal section is different, the primordial and postnatal heterogeneity of the stratum, the difference of fluid flow rate and other reasons form a water flow dominant channel in the stratum, the problems of water coning, water channeling, water ridge entering and the like are caused, the oil production of the oil well is seriously influenced, and the water control tool used in the existing oil production of the horizontal well has a lot of defects in the actual use process, can only delay the formation of the water coning and cannot completely stop the formation of the water coning.
Disclosure of Invention
In order to solve at least one of the technical problems, the invention provides an oil-stabilizing water-controlling valve which realizes the purposes of realizing large overflow of discharged crude oil and small overflow of discharged water under the same production condition, realizing oil stabilization and water control and avoiding the problems of water cone, water channeling, water ridge entering and the like.
In order to achieve the purpose, the oil-stabilizing and water-controlling valve comprises a valve body, wherein a first liquid port and a second liquid port are arranged on the valve body, a plurality of annular flow passages are arranged in the valve body, the annular flow passages are sequentially nested from inside to outside, and adjacent annular flow passages are communicated; the first liquid port is communicated with the annular flow channel on the outermost side, and the second liquid port is communicated with the annular flow channel on the innermost side.
Optionally, the valve body comprises: the valve body is provided with the second liquid port; and the valve cover is provided with the first liquid port, is covered on the valve body and surrounds a plurality of annular flow channels with the valve body.
Optionally, a protruding connecting part is arranged on the bottom surface of the valve body, and the second liquid port is located on the connecting part.
Optionally, the outer side wall surface of the connecting part is provided with a connecting thread for connecting with a screen base pipe.
Optionally, the oil-stabilizing water-controlling valve further comprises: the bottom surface of the valve cover is provided with an annular mounting groove, the sealing ring is mounted in the mounting groove, and the connecting part is located in a circular area surrounded by the mounting groove.
Optionally, the valve cover is provided with a cavity with a downward opening, an inner side wall surface of the cavity is provided with an inner thread, a top surface of the valve body is provided with a plurality of annular runner grooves, and an outer side wall surface of the valve body is provided with an outer thread; the valve body is arranged in the valve cover in a rotating mode, and the groove walls of the runner grooves and the top wall of the concave cavity enclose a plurality of annular runners.
Optionally, the number of the first liquid ports is two, and the two first liquid ports are symmetrically distributed on the side wall of the valve cover.
Optionally, two groups of first communicating ports are symmetrically arranged on a wall between adjacent annular flow passages, the second liquid port is located in a circular area defined by the innermost annular flow passage, and two groups of second communicating ports are symmetrically arranged on a wall between the second liquid port and the innermost annular flow passage.
Optionally, the number of the annular flow passages is three.
Compared with the prior art, in the oil-stabilizing and water-controlling valve provided by the invention, during the use process, the stratum crude oil and the stratum water enter the oil-stabilizing and water-controlling valve, the stratum crude oil flows in the circumferential direction and the stratum water flows in the radial direction due to different viscosities and densities of the stratum crude oil and the stratum water, so that the automatic distinguishing of the crude oil and the water is realized, the over-flow of the stratum crude oil is large, the over-flow of the stratum water is small, the purpose of stabilizing the oil and controlling the water is achieved, and the problems of water coning, water channeling, water ridge entering and the like are avoided.
the stratum crude oil and the stratum water enter the oil-stabilizing and water-controlling valve together, the centrifugal force applied in the transmission process is different due to the difference of the viscosity and the density of the stratum crude oil and the stratum water, the stratum water moves along the circumferential direction and the stratum crude oil moves along the radial direction under the same production condition, the oil-water dynamic balance is achieved in the oil-stabilizing and water-controlling valve, the stratum crude oil enters the second liquid port in preference to the stratum water, and finally the reduction of the water content of the fluid discharged from the second liquid port is achieved.
additional features and advantages of the disclosure will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the disclosure. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the embodiments herein and are incorporated in and constitute a part of this specification, illustrate embodiments herein and are not to be construed as limiting the embodiments herein.
Fig. 1 is a schematic partial cross-sectional view of a main view structure of an oil-stabilizing and water-controlling valve according to an embodiment of the present application;
fig. 2 is a schematic sectional view of a top view structure of the oil stabilizing and water controlling valve shown in fig. 1.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:
1 first liquid mouth, 2 second liquid mouths, 3 annular flow channels, 4 valve bodies, 5 valve covers, 6 connecting parts, 7 sealing rings, 8 first communicating ports and 9 second communicating ports.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, however, the present disclosure may be practiced otherwise than as specifically described herein, and thus the scope of the present disclosure is not limited by the specific embodiments disclosed below.
The oil stabilizing and water controlling valve of some embodiments of the present disclosure is described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the oil-stabilizing and water-controlling valve provided herein comprises a valve body, wherein a first liquid port 1 and a second liquid port 2 are arranged on the valve body, a plurality of annular flow passages 3 are arranged in the valve body, the plurality of annular flow passages 3 are sequentially nested from inside to outside, and adjacent annular flow passages 3 are communicated; the first liquid port 1 is communicated with the annular flow passage 3 on the outermost side, and the second liquid port 2 is communicated with the annular flow passage 3 on the innermost side.
According to the oil-stabilizing water-controlling valve provided by the invention, in the use process, the stratum crude oil and the stratum water enter the oil-stabilizing water-controlling valve, the produced centrifugal force is different due to the difference of the viscosity and the density of the stratum crude oil and the stratum water, the stratum crude oil flows in the circumferential direction, and the stratum water flows in the radial direction, so that the crude oil and the water are automatically distinguished, the over-flow of the stratum crude oil is large, the over-flow of the stratum water is small, the purpose of stabilizing the oil and controlling the water is achieved, and the problems of water coning, water channeling, water ridge entering and the like are avoided.
The formation crude oil and the formation water enter the oil-stabilizing and water-controlling valve together, the centrifugal force applied in the transmission process is different due to the difference of the viscosity and the density of the formation crude oil and the formation water, the formation water moves along the circumferential direction and the formation crude oil moves along the radial direction under the same production condition, the oil-water dynamic balance is achieved in the oil-stabilizing and water-controlling valve, the formation crude oil enters the second liquid port 2 in preference to the formation water, and finally the reduction of the water content of the fluid discharged from the second liquid port 2 is realized.
Optionally, the valve body comprises: a valve body 4 provided with the second liquid port 2; and the valve cover 5 is provided with the first liquid port 1, is covered on the valve body 4 and encloses a plurality of annular flow passages 3 with the valve body 4.
The valve body is manufactured into a split structure, so that the annular flow passage 3 is convenient to manufacture, the manufacturing process of the valve body can be simplified, and the manufacturing cost is reduced.
Of course, the valve body may also be integrally formed by casting, and the purpose of the present application may also be achieved without departing from the design concept of the present invention, which is not described herein again and shall fall within the protection scope of the present application.
Optionally, a convex connecting part 6 is arranged on the bottom surface of the valve body 4, and the second liquid port 2 is positioned on the connecting part 6; and the outer side wall surface of the connecting part 6 is provided with a connecting thread for connecting with a screen pipe base pipe.
Optionally, the oil-stabilizing water-controlling valve further comprises: and the sealing ring 7 is arranged on the bottom surface of the valve cover 5, an annular mounting groove is formed in the bottom surface of the valve cover 5, the sealing ring 7 is installed in the mounting groove, the connecting part 6 is positioned in a circular area surrounded by the mounting groove, and the sealing ring 7 is used for sealing a gap between the sieve tube base tube and the valve body 4 to avoid leakage.
Optionally, the valve cover 5 is provided with a cavity with a downward opening, an inner side wall surface of the cavity is provided with an inner thread, a top surface of the valve body 4 is provided with a plurality of annular runner grooves, and an outer side wall surface of the valve body 4 is provided with an outer thread; the valve body 4 is screwed in the valve cover 5, and the groove walls of the plurality of runner grooves and the top wall of the concave cavity enclose a plurality of annular runners 3.
specifically, the first liquid ports 1 include two (of course, one, three, four, etc., which can also achieve the purpose of the present application), and the two first liquid ports 1 are symmetrically distributed on the side wall of the valve cover 5.
Specifically, two groups of first communicating ports 8 are symmetrically arranged on the wall between the adjacent annular flow passages 3, the second liquid port 2 is located in a circular area surrounded by the innermost annular flow passages 3, and two groups of second communicating ports 9 are symmetrically arranged on the wall between the second liquid port 2 and the innermost annular flow passage 3.
Alternatively, the number of the annular flow passages 3 is two, three, four, or the like, and the number of the annular flow passages 3 may be selected according to the requirement of the water content of the fluid discharged from the second liquid port 2.
In conclusion, in the oil-stabilizing and water-controlling valve provided by the invention, in the use process, the stratum crude oil and the stratum water enter the oil-stabilizing and water-controlling valve, the stratum crude oil and the stratum water flow in the circumferential direction and the stratum water flows in the radial direction due to different viscosities and densities of the stratum crude oil and the stratum water, so that the automatic distinguishing of the crude oil and the water is realized, the over-flow of the stratum crude oil is large, the over-flow of the stratum water is small, the purpose of oil stabilization and water control is achieved, and the problems of water coning, water channeling, water ridge entering and the like are avoided.
The stratum crude oil and the stratum water enter the oil-stabilizing and water-controlling valve together, the centrifugal force applied in the transmission process is different due to the difference of the viscosity and the density of the stratum crude oil and the stratum water, the stratum water moves along the circumferential direction and the stratum crude oil moves along the radial direction under the same production condition, the oil-water dynamic balance is achieved in the oil-stabilizing and water-controlling valve, the stratum crude oil enters the second liquid port in preference to the stratum water, and finally the reduction of the water content of the fluid discharged from the second liquid port is achieved.
In the description herein, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., "connected" may be a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms herein can be understood by those of ordinary skill in the art as appropriate.
In the description of the specification, reference to the term "one embodiment," "some embodiments," "a specific embodiment," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example herein. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although the embodiments disclosed herein are described above, the descriptions are only for the convenience of understanding the embodiments and are not intended to limit the disclosure. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure, and that the scope of the disclosure herein may be limited only by the appended claims.
Claims (5)
1. The oil-stabilizing and water-controlling valve is characterized by comprising a valve body with a circular plane structure, wherein a first liquid port and a second liquid port are formed in the valve body; the valve body includes: the valve body is provided with the second liquid port; the valve cover is provided with the first liquid port, is covered on the valve body and surrounds a plurality of annular flow passages with the valve body; a convex connecting part is arranged on the bottom surface of the valve body, and the second liquid port is positioned on the connecting part; the outer side wall surface of the connecting part is provided with a connecting thread for connecting with the sieve tube base tube;
The valve comprises a valve body, a valve cover, a valve rod, a valve;
The valve body is arranged in the valve cover in a rotating mode, and a plurality of annular flow channels are defined by the groove walls of the plurality of flow channel grooves and the top wall of the concave cavity;
The first liquid port is communicated with the annular flow channel on the outermost side, and the second liquid port is communicated with the annular flow channel on the innermost side; the stratum crude oil and the stratum water enter the oil-stabilizing and water-controlling valve together, because the stratum crude oil and the stratum water are subjected to different centrifugal forces in the transmission process, the stratum water moves along the circumferential direction, the stratum crude oil moves along the radial direction, so that the over-flow of the stratum crude oil is large, the over-flow of the stratum water is small, the oil-water dynamic balance is achieved in the oil-stabilizing and water-controlling valve, the stratum crude oil enters the second liquid port in preference to the stratum water, and the problems of water channeling and water ridge entering are avoided.
2. The oil-stabilizing control valve according to claim 1, further comprising:
The bottom surface of the valve cover is provided with an annular mounting groove, the sealing ring is mounted in the mounting groove, and the connecting part is located in a circular area surrounded by the mounting groove.
3. the oil-stabilizing and water-controlling valve of claim 1, wherein the number of the first fluid ports is two, and the two first fluid ports are symmetrically distributed on the side wall of the valve cover.
4. The oil-stabilizing and water-controlling valve according to any one of claims 1 to 3, wherein two sets of first communicating ports are symmetrically arranged on the wall between the adjacent annular flow passages, the second fluid port is located in a circular area surrounded by the innermost annular flow passage, and two sets of second communicating ports are symmetrically arranged on the wall between the second fluid port and the innermost annular flow passage.
5. The oil stabilizing and water controlling valve according to any one of claims 1 to 3, wherein the plurality of annular flow passages is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710011363.9A CN106763884B (en) | 2017-01-06 | 2017-01-06 | Oil-stabilizing water control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710011363.9A CN106763884B (en) | 2017-01-06 | 2017-01-06 | Oil-stabilizing water control valve |
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| Publication Number | Publication Date |
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| CN106763884A CN106763884A (en) | 2017-05-31 |
| CN106763884B true CN106763884B (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710011363.9A Active CN106763884B (en) | 2017-01-06 | 2017-01-06 | Oil-stabilizing water control valve |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387021B (en) * | 2017-06-08 | 2019-12-20 | 中国海洋石油集团有限公司 | Water control valve |
| CN108253171B (en) * | 2017-12-06 | 2020-02-07 | 中国海洋石油集团有限公司 | Composite channel water control valve |
| CN108843801B (en) * | 2018-07-05 | 2019-11-15 | 中国海洋石油集团有限公司 | A kind of float-type water control valve |
| CN111810114B (en) * | 2020-06-04 | 2023-11-10 | 中海油田服务股份有限公司 | Tracing water-finding and sectional water-controlling system and method |
| CN112696543B (en) * | 2020-12-28 | 2022-05-13 | 中国科学院广州能源研究所 | Sand-proof water-control device for oil-gas extraction |
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| WO2009108742A2 (en) * | 2008-02-26 | 2009-09-03 | Schlumberger Canada Limited | Apparatus and methods for setting one or more packers in a well bore |
| CN101915087A (en) * | 2010-08-23 | 2010-12-15 | 中国石油集团西部钻探工程有限公司 | Sieve tube water control device |
| CN202348249U (en) * | 2011-11-23 | 2012-07-25 | 西安思坦仪器股份有限公司 | Underground layered oil extraction controlling device |
| CN105089570A (en) * | 2014-05-12 | 2015-11-25 | 中国石油化工股份有限公司 | Water control device for oil production system |
| CN105650312A (en) * | 2016-03-11 | 2016-06-08 | 西南石油大学 | Novel automatic water control valve for horizontal wells |
| CN105840894A (en) * | 2016-04-18 | 2016-08-10 | 中国海洋石油总公司 | Viscosity-sensitive flow control valve |
| CN205823231U (en) * | 2016-07-21 | 2016-12-21 | 中国海洋石油总公司 | A kind of screen casing water control valve |
-
2017
- 2017-01-06 CN CN201710011363.9A patent/CN106763884B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009108742A2 (en) * | 2008-02-26 | 2009-09-03 | Schlumberger Canada Limited | Apparatus and methods for setting one or more packers in a well bore |
| CN101915087A (en) * | 2010-08-23 | 2010-12-15 | 中国石油集团西部钻探工程有限公司 | Sieve tube water control device |
| CN202348249U (en) * | 2011-11-23 | 2012-07-25 | 西安思坦仪器股份有限公司 | Underground layered oil extraction controlling device |
| CN105089570A (en) * | 2014-05-12 | 2015-11-25 | 中国石油化工股份有限公司 | Water control device for oil production system |
| CN105650312A (en) * | 2016-03-11 | 2016-06-08 | 西南石油大学 | Novel automatic water control valve for horizontal wells |
| CN105840894A (en) * | 2016-04-18 | 2016-08-10 | 中国海洋石油总公司 | Viscosity-sensitive flow control valve |
| CN205823231U (en) * | 2016-07-21 | 2016-12-21 | 中国海洋石油总公司 | A kind of screen casing water control valve |
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| CN106763884A (en) | 2017-05-31 |
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Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Applicant after: China Offshore Oil Group Co., Ltd. Applicant after: China Oilfield Services Limited Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Applicant before: China National Offshore Oil Corporation Applicant before: China Oilfield Services Limited |
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