CN212535624U

CN212535624U - Foam drainage gas production device

Info

Publication number: CN212535624U
Application number: CN202120058320.8U
Authority: CN
Inventors: 李洋; 刘鹏飞; 任阳; 雷小华; 任洪明
Original assignee: Southwest Petroleum University
Current assignee: Southwest Petroleum University
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-02-12
Anticipated expiration: 2031-01-11

Abstract

The utility model discloses a foam drainage gas production device relates to drainage gas production technical field, and lower messenger's manufacturing cost is higher and the gas well between has certain interference to current foam drainage gas production device degree of automation and leads to the problem that the pressure of gas well inside is stable inadequately, proposes following scheme now, and it includes the gas well body, the inside of gas well body is provided with fixed pipe, the top fixed mounting of gas well body has the backup pad, the one end of fixed pipe is passed the gas well body and is extended to the outside of backup pad, the inside cover of fixed pipe is equipped with the discharge, the circumference lateral wall fixed mounting of fixed pipe has pipeline, one side of backup pad is provided with the storage jar, the top of backup pad is provided with the extraction pump. The utility model discloses novel structure, and the device can effectively improve production efficiency, and has reduced manufacturing cost, can effectively reduce the interference between the gas well simultaneously and influence gas collection, facilitate the use.

Description

Foam drainage gas production device

Technical Field

The utility model relates to a drainage gas production technical field especially relates to a foam drainage gas production device.

Background

The foam drainage gas production process is a kind of injection drainage process in which surfactant, also called foaming agent, is added into well, and a certain quantity of foaming agent is added into well, and after the bottom hole water is contacted with foaming agent, the action of natural gas flow and air pressure can be used to produce lots of low-density water-containing foam, which can be carried along with gas flow from bottom hole to ground surface.

The existing foam drainage gas production device needs to open a gas well firstly, then a foaming rod or a foaming ball is thrown into the gas well, and then the gas well is closed, so that foaming agents are thrown in the foaming agent, the automation degree is low, the use of the gas well is influenced in the throwing process, the gas production cost is high, the benefit is low, certain interference exists among the gas wells sometimes, the pressure in the gas well is not stable enough, and therefore the foam drainage gas production device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of foam drainage gas production device has solved the lower pressure problem that makes that has certain interference to lead to gas well inside of foam drainage gas production device degree of automation between higher and the gas well of manufacturing cost.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a foam drainage gas production device, includes the gas well body, the inside of gas well body is provided with fixed pipe, the top fixed mounting of gas well body has the backup pad, the one end of fixed pipe is passed the gas well body and is extended to the outside of backup pad, the inside cover of fixed pipe is equipped with the discharge pipe, the circumference lateral wall fixed mounting of fixed pipe has pipeline, one side of backup pad is provided with the storage jar, the top of backup pad is provided with the extraction pump, pipeline's circumference lateral wall is provided with the stop valve, pipeline extends to inside is passed to the one end of stop valve.

Preferably, pipeline's bottom is provided with the work box, the one end of work box is passed pipeline and is extended to inside, the inside of pipeline and work box is provided with the filter screen.

Preferably, the inside of work box is provided with the defoaming agent, the one side that pipeline was kept away from to the work box is provided with the blast pipe, the one end of blast pipe is passed the work box and is extended to inside.

Preferably, be provided with the transportation pipeline between extraction pump and the storage jar, the one end of transportation pipeline is passed the storage jar and is extended to inside, transportation pipeline and storage jar fixed connection, the one end that the storage jar was kept away from to the transportation pipeline is with the extraction mouth fixed connection of extraction pump.

Preferably, a liquid outlet of the extraction pump is fixedly provided with a liquid conveying pipe, and one end of the liquid conveying pipe, which is far away from the extraction pump, penetrates through the conveying pipeline and extends to the inside of the fixed pipe.

Preferably, the top end of the supporting plate is fixedly provided with a pressurizing machine, a pressurizing port of the pressurizing machine is fixedly provided with a pressurizing pipeline, and one end of the pressurizing pipeline, which is far away from the pressurizing machine, penetrates through the conveying pipeline and extends to the inside of the fixing pipe.

The utility model has the advantages that:

by starting the extraction pump, then the foaming agent in the storage tank is extracted into the conveying pipeline by the extraction pump, then the conveying pipeline conveys the foaming agent into the conveying pipeline, then the conveying pipeline injects the foaming agent into the inside of the fixed pipe, then the foaming agent flows to the inside of the gas well body along the inner wall of the fixed pipe, then the foaming agent is contacted with accumulated water in the gas well body, a large amount of low-density water-containing foam is generated under the action of natural gas flow and air pressure, and is carried to the inside of the gas collecting pipe from the bottom of the well along with the air flow, so that the foaming agent is not required to be opened and put in the gas well, the production efficiency is improved.

The water-containing foam is transported to a conveying pipeline through the gas collecting pipe and then reaches the work box, then the water-containing foam is filtered through the filter screen, water is filtered, and then the residual foam is eliminated through the defoaming agent, so that foam overstock is prevented.

When interference is generated among gas wells and the pressure in the gas wells is not stable enough, the pressurizing machine is started, the pressurizing machine is used for pressurizing the inside of the gas well body, and the phenomenon that the pressure is unstable and the gas collection is influenced is prevented.

In conclusion, the device can effectively improve production efficiency, reduce production cost, effectively reduce interference among gas wells to influence gas collection and is convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a structural sectional view of the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

Reference numbers in the figures: 1. a gas well body; 2. a support plate; 3. a press; 4. a delivery conduit; 5. a pressurized conduit; 6. a stop valve; 7. a work box; 8. defoaming agents; 9. filtering with a screen; 10. an exhaust pipe; 11. storing the tank; 12. a transport pipeline; 13. a pump; 14. a fixed tube; 15. a gas collecting pipe; 16. an infusion tube.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-3, a foam drainage gas production device comprises a gas well body 1, a fixed pipe 14 is arranged inside the gas well body 1, a support plate 2 is fixedly mounted at the top end of the gas well body 1, one end of the fixed pipe 14 penetrates through the gas well body 1 and extends to the outside of the support plate 2, a gas collecting pipe 15 is sleeved inside the fixed pipe 14, a conveying pipeline 4 is fixedly mounted on the outer circumferential side wall of the fixed pipe 14, a storage tank 11 is arranged on one side of the support plate 2, an extraction pump 13 is arranged at the top end of the support plate 2, a stop valve 6 is arranged on the outer circumferential side wall of the conveying pipeline 4, one end of the stop valve 6 penetrates through the conveying pipeline 4 and extends to the inside, a work box 7 is arranged at the bottom end of the conveying pipeline 4, one end of the work box 7 penetrates through the conveying pipeline 4 and extends to the inside, and a, the defoaming agent 8 is arranged in the working box 7, the exhaust pipe 10 is arranged on one side of the working box 7 far away from the conveying pipeline 4, one end of the exhaust pipe 10 extends to the inside through the work tank 7, a transport pipe 12 is provided between the suction pump 13 and the storage tank 11, one end of the transport pipe 12 extends to the inside through the storage tank 11, the transport pipe 12 is fixedly connected with the storage tank 11, the end of the transport pipe 12 remote from the storage tank 11 is fixedly connected to the suction opening of a suction pump 13, an infusion tube 16 is fixedly arranged at the liquid outlet of the extraction pump 13, one end of the infusion tube 16 far away from the extraction pump 13 passes through the conveying pipeline 4 and extends to the inside of the fixed tube 14, a pressurizing machine 3 is fixedly arranged at the top end of the supporting plate 2, a pressurizing pipeline 5 is fixedly arranged at a pressurizing port of the pressurizing machine 3, the end of the pressure pipe 5 remote from the press 3 extends through the delivery pipe 4 to the inside of the fixed pipe 14.

The working principle is as follows: when the device is used, a gas collecting pipe 15 is placed in a gas well body 1, a fixed pipe 14 is sleeved on the outer wall of the gas collecting pipe 15, a certain distance exists between the gas collecting pipe 15 and the fixed pipe 14, a conveying pipeline 4 is fixed on the circumferential side wall of the fixed pipe 14, a proper defoaming agent 8 is injected into a working box 7, so that the device is assembled, after the assembly is completed, accumulated water in the gas well body 1 needs to be discharged, an extraction pump 13 is started, then a foaming agent in a storage tank 11 is extracted into a conveying pipeline 12 by the extraction pump 13, then the foaming agent is conveyed into a conveying pipeline 16 by the conveying pipeline 12, then the foaming agent is injected into the fixed pipe 14 by the conveying pipeline 16, then the foaming agent flows into the gas well body 1 along the inner wall of the fixed pipe 14, and then is contacted with the accumulated water in the gas well body 1, the method comprises the steps of generating a large amount of low-density water-containing foam under the action of natural gas flow and air pressure, carrying the water-containing foam into a gas collecting pipe 15 along with the gas flow from the bottom of a well, conveying the water-containing foam into a conveying pipeline 4 through the gas collecting pipe 15, then conveying the water-containing foam into a working box 7, filtering the water-containing foam through a filter screen 9, removing residual foam through an antifoaming agent 8 to prevent foam overstock, discharging filtered gas through an exhaust pipe 10, performing the next process, and pressurizing the inside of a gas well body 1 through a pressurizing machine 3 when the pressure in the gas well is not stable enough due to interference among gas wells so as to prevent unstable pressure from influencing the collection of gas.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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

1. The utility model provides a foam drainage gas production device, includes gas well body (1), its characterized in that, the inside of gas well body (1) is provided with fixed pipe (14), the top fixed mounting of gas well body (1) has backup pad (2), the outside that gas well body (1) extended to backup pad (2) is passed to the one end of fixed pipe (14), the inside cover of fixed pipe (14) is equipped with discharge (15), the circumference lateral wall fixed mounting of fixed pipe (14) has pipeline (4), one side of backup pad (2) is provided with storage jar (11), the top of backup pad (2) is provided with extraction pump (13), the circumference lateral wall of pipeline (4) is provided with stop valve (6), pipeline (4) are passed to the one end of stop valve (6) and extend to inside.

2. A foam water drainage and gas production device according to claim 1, wherein a working box (7) is arranged at the bottom end of the conveying pipeline (4), one end of the working box (7) extends to the inside through the conveying pipeline (4), and a filter screen (9) is arranged inside the conveying pipeline (4) and the working box (7).

3. A foam water drainage and gas production device according to claim 2, wherein the working box (7) is internally provided with a defoaming agent (8), the side of the working box (7) far away from the conveying pipeline (4) is provided with an exhaust pipe (10), and one end of the exhaust pipe (10) penetrates through the working box (7) and extends to the inside.

4. A foam water drainage and gas production device according to claim 1, wherein a transport pipe (12) is arranged between the extraction pump (13) and the storage tank (11), one end of the transport pipe (12) extends to the inside through the storage tank (11), the transport pipe (12) is fixedly connected with the storage tank (11), and one end of the transport pipe (12) far away from the storage tank (11) is fixedly connected with the extraction port of the extraction pump (13).

5. A foam water drainage and gas production device according to claim 1, wherein a liquid outlet of the extraction pump (13) is fixedly provided with a liquid conveying pipe (16), and one end of the liquid conveying pipe (16) far away from the extraction pump (13) extends to the inside of the fixed pipe (14) through the conveying pipeline (4).

6. A foam water drainage and gas production device according to claim 1, wherein a pressurizing machine (3) is fixedly installed at the top end of the support plate (2), a pressurizing pipeline (5) is fixedly installed at a pressurizing port of the pressurizing machine (3), and one end of the pressurizing pipeline (5) far away from the pressurizing machine (3) passes through the conveying pipeline (4) and extends to the inside of the fixed pipe (14).