CN212201993U

CN212201993U - Oil field water injection valve control structure

Info

Publication number: CN212201993U
Application number: CN202020810393.3U
Authority: CN
Inventors: 白明武
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-12-22
Anticipated expiration: 2030-05-15

Abstract

The utility model discloses an oil field water injection valve control structure, including valve body, accuse water mechanism, a side surface of valve body vertically is equipped with pressurization jar, speed regulator, the pressurization jar is kept away from speed regulator one side inner chamber and is provided with for the oil ship through the activity of running through in the pivot, the vertical fixed cylindrical surge chamber that is provided with in inner chamber middle part of valve body, the valve body inner chamber of surge chamber outside falls into out oil passageway, water injection passageway through the middle part baffle, accuse water mechanism includes variable speed shaft, transmission shaft, hydraulic turbine, the variable speed shaft passes through the vertical activity of support and sets up the inner wall bottom one end at the surge chamber, the hydraulic turbine passes through the fixed water injection passageway inner wall that sets up in transmission shaft one side of. The utility model discloses it is rotatory in order to drive the transmission shaft through other end pinion to utilize for the oil ship rotation to drive the variable speed axle along the circular motion, and the transmission shaft will give the main shaft of the rotational speed of oil ship with comparing the hydraulic turbine in order to guarantee the whole balance of the inside oil of valve body and water injection, excellent in use effect.

Description

Oil field water injection valve control structure

Technical Field

The utility model relates to the technical field of valves, specifically an oil field water injection valve control structure.

Background

Water injection equipment is used to inject water of a desired quality from a water injection well into the reservoir to maintain reservoir pressure, a process known as oilfield flooding. Oilfield flooding is one of the important means for supplementing energy to the stratum and improving the oilfield recovery ratio in the oilfield development process. The level of the water injection well management technology determines the development effect of the oil field and also determines the development service life of the oil field. After the oil field is put into development, the energy of the oil layer is continuously consumed along with the increase of the exploitation time, so that the pressure of the oil layer is continuously reduced, underground crude oil is greatly degassed, the viscosity is increased, the yield of the oil well is greatly reduced, even the injection and production stop can be realized, and a large amount of underground residual dead oil cannot be extracted. In order to make up for the underground deficit caused by the production of crude oil, maintain or improve the pressure of an oil layer, realize high and stable yield of an oil field and obtain higher recovery ratio, water must be injected into the oil field. The existing valve control structure for oilfield water injection is mostly an integrated pipeline built-in valve structure, for example, the application number is 201120444212.0, the name is a patent of an integrated valve body for oilfield oil extraction, water injection and gathering and transportation system control valves, the multi-channel structure not only needs to lay a plurality of pipelines, the occupied area is large, but also has higher requirements on the coordination, accuracy, rapidness and the like of valve control equipment, and the use cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil field water injection valve control structure to solve among the prior art multichannel formula valve control structure not only need lay many pipelines, area occupied is big, requires higher problem to valve control equipment's harmony, accuracy rapidity etc. moreover.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oil field water injection valve control structure, includes valve body, accuse water mechanism, a side surface longitudinal fixation of valve body is provided with cylindrical pressurization jar, the pressurization jar is kept away from the fixed speed regulator that is provided with in valve body side surface middle part, the pressurization jar is kept away from speed regulator one side inner chamber and is run through the activity through the pivot and be provided with for the oil ship, the pressurization jar in the oil ship outside has seted up U-shaped oil pipeline with the valve body junction, the vertical fixed cylindrical surge chamber that is provided with in inner chamber middle part of valve body, the valve body inner chamber of surge chamber outside falls into out oil passageway, water injection passageway through the middle part baffle, both ends are vertical respectively being equipped with the filter core through seting up the spacing groove about the inner wall of play oil passageway, accuse water mechanism includes variable speed shaft, transmission shaft, hydraulic turbine, the vertical activity of support sets up the inner wall bottom one end at the surge chamber, the transmission shaft sets up through And the water turbine is fixedly arranged on the inner wall of the water injection channel on one side of the transmission shaft through a volute.

Preferably, the section of the valve body is of a T-shaped structure, and an inner cavity outside the pressure stabilizing chamber is of an oval structure.

Preferably, the speed regulator is formed by combining a frequency converter and a driving motor, and a power end of the speed regulator is fixedly connected with one end of a rotating shaft of the oil supply tanker through a coupler.

Preferably, the speed changing shaft is a Z-shaped double-tooth shaft, and the tooth shaft at one end of the speed changing shaft is meshed and connected with the outer surface of the rotating shaft at one end of the oil feeding wheel, which is positioned in the pressure stabilizing chamber.

Preferably, a gear shaft at one end of the speed changing shaft, which is far away from the oil feeding wheel rotating shaft, is meshed with the outer surface of the transmission shaft, and one end of the transmission shaft, which is far away from the speed changing shaft, is meshed with the main shaft of the water turbine.

Preferably, the speed ratio between the oil feeding wheel and the gear shaft at one end of the speed change shaft is the same as the speed ratio between the main shaft of the water turbine and the gear shaft at the other end of the speed change shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the water control mechanism comprises a variable speed shaft, a transmission shaft and a water turbine, the speed ratio between the oil tanker and a gear shaft at one end of the variable speed shaft is the same as the speed ratio between a main shaft of the water turbine and a gear shaft at the other end of the variable speed shaft, the oil tanker rotates to drive the variable speed shaft to rotate along the circumferential motion, the transmission shaft drives the transmission shaft to rotate through the gear shaft at the other end, the transmission shaft transmits the rotating speed of the oil tanker to the main shaft of the water turbine in a same ratio mode so as to guarantee the integral balance of oil outlet and water injection inside the valve body.

2. The inner cavity of the valve body outside the pressure stabilizing chamber is divided into an oil outlet channel and a water injection channel through the middle partition plate, a built-in double-channel structure is adopted for conveying materials, the occupied area is saved, meanwhile, the laying is convenient, filter elements are arranged at the left end and the right end of the inner wall of the oil outlet channel outside the pressure stabilizing chamber respectively, the oil outlet quality is guaranteed, and the practicability is high.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic view of a connection structure of the transmission shaft of the present invention.

In the figure: 1. a valve body; 2. a pressurized tank; 3. a speed regulator; 4. feeding the tanker; 5. an oil pipeline; 6. a plenum; 7. an oil outlet channel; 8. a water injection channel; 9. a filter element; 10. a speed change shaft; 11. a drive shaft; 12. a water turbine.

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.

Referring to fig. 1, 2 and 3, in an embodiment of the present invention, an oil field water injection valve control structure includes a valve body 1 and a water control mechanism, a cylindrical pressure tank 2 is longitudinally and fixedly disposed on a side surface of the valve body 1, a speed regulator 3 is fixedly disposed in the middle of a side surface of the pressure tank 2 away from the valve body 1, a oil feeding wheel 4 is movably disposed in a cavity of the pressure tank 2 away from the speed regulator 3 through a rotating shaft, a U-shaped oil delivery pipe 5 is disposed at a joint of the pressure tank 2 outside the oil feeding wheel 4 and the valve body 1, a cylindrical pressure stabilizing chamber 6 is vertically and fixedly disposed in the middle of the cavity of the valve body 1, the cavity of the valve body 1 outside the pressure stabilizing chamber 6 is divided into an oil outlet channel 7 and a water injection channel 8 by a middle partition plate, filter elements 9 are respectively and vertically disposed at left and right ends of an inner wall of the, the variable speed shaft 10 is vertically and movably arranged at one end of the bottom of the inner wall of the pressure stabilizing chamber 6 through a bracket, the transmission shaft 11 is longitudinally and movably arranged in the inner cavity of the valve body 1 at one side of the pressure stabilizing chamber 6 far away from the oil feeding wheel 4 through a mounting hole formed in the side surface of the pressure stabilizing chamber 6, and the water turbine 12 is fixedly arranged on the inner wall of the water injection channel 8 at one side of the transmission shaft 11 through a volute; the section of the valve body 1 is of a T-shaped structure, and the inner cavity outside the pressure stabilizing chamber 6 is of an oval structure, so that the pressure balance of the internal channel of the valve body is ensured; the speed regulator 3 is formed by combining a frequency converter and a driving motor, and the power end of the speed regulator 3 is fixedly connected with one end of a rotating shaft of the oil feeding wheel 4 through a coupler so as to meet the oil outlet speed regulation requirement; the speed changing shaft 10 is a Z-shaped double-tooth shaft, and the tooth shaft at one end of the speed changing shaft 10 is meshed and connected with the outer surface of a rotating shaft at one end of the oil feeding wheel 4 positioned in the pressure stabilizing chamber 6, so that the balance control requirements of oil discharging and water injection pressure are met; a gear shaft at one end of the variable speed shaft 10, which is far away from the rotating shaft of the oil feeding wheel 4, is meshed with the outer surface of the transmission shaft 11, and one end of the transmission shaft 11, which is far away from the variable speed shaft 10, is meshed with the main shaft of the water turbine 12, so that the stability and reliability of transmission during water injection operation of the water turbine 12 are ensured; the speed ratio between the oil supply tanker 4 and the gear shaft at one end of the speed change shaft 10 is the same as the speed ratio between the main shaft of the water turbine 12 and the gear shaft at the other end of the speed change shaft 10, and the operation requirement of maintaining pressure balance after oil production of an oil field is met.

The utility model discloses a theory of operation and use flow: during the use with the corresponding butt joint equipment of valve body 1 in the kneck of oil pipeline and water supply pipe, adjust the rotational speed of giving oil ship 4 through speed regulator 3 according to the demand, it is rotatory along the circular motion to rotate oil supply wheel 4, and then it is rotatory to drive transmission shaft 11 through other end tooth axle, transmission shaft 11 with the rotational speed of oil supply wheel 4 with compare the main shaft that gives water turbine 12 in order to guarantee the inside oil and the whole equilibrium of water injection of valve body, satisfy the pressure balance demand after the oil field produces oil, excellent in use effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an oil field water injection valve control structure, includes valve body (1), accuse water mechanism, its characterized in that: one side surface of valve body (1) is vertically fixed and is provided with cylindrical pressurization jar (2), pressurization jar (2) are kept away from valve body (1) one side surface middle part and are fixedly provided with speed regulator (3), pressurization jar (2) are kept away from speed regulator (3) one side inner chamber and are run through the activity through the pivot and be provided with for oil ship (4), pressure jar (2) and valve body (1) junction in the oil ship (4) outside has seted up U-shaped oil pipeline (5), the vertical fixed cylindrical surge chamber (6) that is provided with in inner chamber middle part of valve body (1), valve body (1) inner chamber in the surge chamber (6) outside falls into oil outlet channel (7), water injection channel (8) through the middle part baffle, both ends are vertical filter core (9) that are equipped with respectively through seting up the spacing groove about the inner wall of oil outlet channel (7), water control mechanism includes variable speed shaft (10, The variable-speed shaft transmission device comprises a transmission shaft (11) and a water turbine (12), wherein the variable-speed shaft (10) is vertically movably arranged at one end of the bottom of the inner wall of a pressure stabilizing chamber (6) through a bracket, the transmission shaft (11) is longitudinally movably arranged in the inner cavity of a valve body (1) on one side, away from a fuel feeding wheel (4), of the pressure stabilizing chamber (6) through a mounting hole formed in the side surface of the pressure stabilizing chamber (6), and the water turbine (12) is fixedly arranged on the inner wall of a water injection channel (8) on one side of the transmission.

2. The oilfield water injection valve control structure of claim 1, wherein: the section of the valve body (1) is of a T-shaped structure, and an inner cavity on the outer side of the pressure stabilizing chamber (6) is of an oval structure.

3. The oilfield water injection valve control structure of claim 1, wherein: the speed regulator (3) is formed by combining a frequency converter and a driving motor, and the power end of the speed regulator (3) is fixedly connected with one end of a rotating shaft of the oil feeding wheel (4) through a coupler.

4. The oilfield water injection valve control structure of claim 1, wherein: the variable speed shaft (10) is a Z-shaped double-tooth shaft, and the tooth shaft at one end of the variable speed shaft (10) is meshed and connected with the outer surface of a rotating shaft at one end, located in the pressure stabilizing chamber (6), of the oil feeding wheel (4).

5. The oilfield water injection valve control structure of claim 4, wherein: the gear shaft that gives tanker (4) pivot one end is kept away from in gear shaft (10) is connected with transmission shaft (11) surface meshing, transmission shaft (11) keep away from the one end of gear shaft (10) and hydraulic turbine (12) main shaft meshing connection.

6. The oilfield water injection valve control structure of claim 5, wherein: the speed ratio between the oil feeding wheel (4) and the gear shaft at one end of the speed change shaft (10) is the same as the speed ratio between the main shaft of the water turbine (12) and the gear shaft at the other end of the speed change shaft (10).