CN220469891U

CN220469891U - Brine production well

Info

Publication number: CN220469891U
Application number: CN202322110860.8U
Authority: CN
Inventors: 袁世聪; 哈占方; 陈祥; 刘青青; 金青明; 王召邦; 张兴民; 康守业; 李永君; 李长孝; 马经黎; 芮燕辉
Original assignee: Qinghai Salt Lake Industry Co Ltd
Current assignee: Qinghai Salt Lake Industry Co Ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-02-09
Anticipated expiration: 2033-08-07

Abstract

The utility model provides a brine production well. The brine production well comprises: the well body is used for limiting a cavity for collecting brine; a brine production channel extending in a radial direction of the well body, a first end of the brine production channel being connected to the well body, a second end of the brine production channel being configured to extend into the formation; the brine collecting channel is limited by the brine collecting channel and is communicated with the cavity, the brine collecting channel is provided with a first end and a second end which are oppositely arranged, the first end of the brine collecting channel is positioned at the first end of the brine collecting channel, the second end of the brine collecting channel is positioned at the second end of the brine collecting channel, the second end of the brine collecting channel is higher than the first end of the brine collecting channel in the vertical direction, and the brine collecting channel is configured to be capable of being penetrated by brine in a ground and enter the brine collecting channel. The technical scheme of the utility model expands the brine production range of the brine production well, thereby being capable of carrying out brine production on the area where the brine production well cannot be constructed.

Description

Brine production well

Technical Field

The utility model relates to the technical field of salt lake brine exploitation, in particular to a brine exploitation well.

Background

The brine collecting well is an important brine collecting facility in the salt lake production process. The traditional brine production well is mainly constructed by drilling, installing (building) a well body, converging underground dark water into the well to form bright water through the internal space of the well body, and then extracting the bright water to a target place through a brine extraction facility. Therefore, the water inflow of the traditional brine production well is greatly influenced by the groundwater condition of the well digging area, and the service life of the brine production well is greatly influenced by the geological condition of the well digging area. The geological structure of the salt lake area is very complicated, if a well is dug in the area with unstable geological structure, fine particles are carried out by the brine in the operation process of the brine production well along with the extraction of the brine production facility, the ground is easily sunk and sunk at the periphery of the well body, so that the brine production well is silted, buried and the like, and the brine production well cannot normally operate and can only be scrapped. If a well is not drilled in the area, brine located in the area is not fully collected and utilized.

Disclosure of Invention

The utility model mainly aims to provide a brine production well which can solve the problem that brine production is difficult due to partial loose stratum structure in the prior art.

In order to achieve the above object, the present utility model provides a brine production well, comprising: the well body is used for limiting a cavity for collecting brine; a brine production channel extending in a radial direction of the well body, a first end of the brine production channel being connected to the well body, a second end of the brine production channel being configured to extend into the formation; the brine collecting channel is limited by the brine collecting channel and is communicated with the cavity, the brine collecting channel is provided with a first end and a second end which are oppositely arranged, the first end of the brine collecting channel is positioned at the first end of the brine collecting channel, the second end of the brine collecting channel is positioned at the second end of the brine collecting channel, the second end of the brine collecting channel is higher than the first end of the brine collecting channel in the vertical direction, and the brine collecting channel is configured to be capable of being penetrated by brine in a ground and enter the brine collecting channel.

Further, the brine production well comprises a plurality of brine production channels which are arranged at intervals around the circumference of the well body; and/or the brine production well comprises a plurality of brine production channels, and the brine production channels are arranged at intervals along the vertical direction.

Further, the diameter of the brine collecting channel is in the range of 30cm to 80cm.

Further, the central axis of the brine collecting channel forms an included angle with the horizontal direction, and the height of the brine collecting channel gradually rises from the first end of the brine collecting channel to the second end of the brine collecting channel.

Further, in the horizontal direction, from the first end to the second end of the brine collecting channel, the height h of the brine collecting channel is increased to be in the range of 0.5m to 1m every 1000 m.

Further, the brine production well further comprises a reinforcing structure arranged at the joint of the well body and the brine production channel.

Further, the reinforcement structure includes reinforcement tubing supported within the brine production channel.

Further, the reinforcing structure further comprises a gravel layer filled in the partial brine collecting channel.

Further, the length L of the reinforcing structure has the following relationship with the diameter d of the brine production channel: l is more than or equal to 2d and less than or equal to 3d.

Further, the brine production well further comprises a filter element arranged at the joint of the well body and the brine production channel.

By applying the technical scheme of the utility model, the brine production well is constructed in the area with stable stratum structure and stable bearing well body, the second end of the brine production channel extends to the area with loose stratum structure and unstable bearing well body, brine in the stratum penetrates through the brine production channel and then enters the brine production channel, and the brine in the brine production channel can flow to the first end and flow into the well body under the action of gravity because the second end of the brine production channel is higher than the first end, so that brine production is realized. The brine production well is constructed in the area with stable stratum structure, so that the problems that stratum debris matters are lost along with brine production, and the well body is lack of support are avoided, and the problem that the stratum around the well body naturally subsides and collapses is avoided, thereby ensuring that the brine production well can stably produce brine for a long time, and reducing the construction cost of brine production facilities and the later maintenance cost; through addding and adopting the steamed canal, adopt the steamed well and can enlarge and adopt steamed scope, adopt the steamed well to carry out the large tracts of land and adopt steamed operation in a large scale through a small amount, avoid because of the loose problem that is difficult to build of stratum structure adopts the steamed well to lead to this regional brine unavailable.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. Attached at

In the figure:

FIG. 1 shows a schematic diagram of a brine production well according to an embodiment of the utility model;

FIG. 2 shows an enlarged view of the brine well of FIG. 1 at A;

fig. 3 shows a top view of the brine producing well of fig. 1.

Wherein the above figures include the following reference numerals:

10. a well body; 20. a brine collecting channel; 21. a brine collecting channel; 31. reinforcing the pipe fitting; 32. a gravel layer; 40. a filter element.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to FIG. 1, the present utility model provides a brine producing well comprising: a well 10 defining a cavity for collecting brine; a brine production channel 20 extending in a radial direction of the well body 10, a first end of the brine production channel 20 being connected to the well body 10, a second end of the brine production channel 20 being configured to extend into the formation; the brine collecting channel 21 is defined by the brine collecting channel 20 and is communicated with the cavity, the brine collecting channel 21 is provided with a first end and a second end which are oppositely arranged, the first end of the brine collecting channel 21 is positioned at the first end of the brine collecting channel 20, the second end of the brine collecting channel 21 is positioned at the second end of the brine collecting channel 20, the second end of the brine collecting channel 21 is higher than the first end of the brine collecting channel 21 in the vertical direction, and the brine collecting channel 20 is configured to be capable of being penetrated by brine positioned in the ground and enter the brine collecting channel 21.

In the above technical scheme, the brine production well is constructed in the area where the stratum structure is stable and the well body can be stably carried, the second end of the brine production channel 20 extends to the area where the stratum structure is loose and the well body cannot be stably carried, brine in the stratum permeates through the brine production channel 20 and then enters the brine production channel 21, and as the second end of the brine production channel 21 is higher than the first end, brine in the brine production channel 21 can flow to the first end and flow into the well body 10 under the action of gravity, so that brine production is realized.

By the arrangement, on one hand, as the brine production well is constructed in the area with stable stratum structure, the problems that stratum debris matters are lost along with brine production and the well body 10 lacks support can be avoided, and the problem that natural settlement and collapse occur in the stratum around the well body 10 can be avoided, so that the brine production well can be used for stably producing brine for a long time, and the construction cost and the later maintenance cost of brine production facilities are reduced; on the other hand, through addding and adopting steamed canal 20, adopt the steamed well and can enlarge and adopt steamed scope, adopt steamed well to carry out the operation of large tracts of land to adopt steamed in a large scale through a small amount, avoid because of the loose problem that is difficult to build of stratum structure adopts steamed well to lead to this regional brine unavailable.

As shown in fig. 1 and 3, in an embodiment of the present utility model, the brine producing well includes a plurality of brine producing channels 20, the plurality of brine producing channels 20 being spaced circumferentially about the well body 10. Therefore, according to actual demands, the brine production well is arranged, so that brine can be produced in a larger range.

In another embodiment of the present utility model, the brine producing well includes a plurality of brine producing channels 20, the plurality of brine producing channels 20 being vertically spaced apart.

In an embodiment of the present utility model, the diameter of the brine collecting channel 21 ranges from 30cm to 80cm. Because the diameter of the brine collecting channel 21 is smaller, and the brine collecting channels 20 are arranged in parallel, the problem that the stratum structure is unstable and even collapses due to the arrangement of the brine collecting channels 20 can be avoided.

In one embodiment of the present utility model, the central axis of the brine collecting channel 21 is inclined with respect to the horizontal direction, and the height of the brine collecting channel 21 gradually increases from the first end of the brine collecting channel 21 to the second end of the brine collecting channel 21.

In another embodiment of the present utility model, the brine collecting channel 21 may be stepped. In one embodiment of the present utility model, the height h of the brine collecting channel 21 is raised in a range of 0.5m to 1m every 1000m from the first end to the second end of the brine collecting channel 21 in the horizontal direction.

In an embodiment of the utility model, as shown in FIG. 2, the brine producing well further comprises a reinforcing structure disposed at the junction of the well body 10 and the brine producing channel 20.

In the above technical solution, the reinforcing structure includes a reinforcing pipe 31 supported in the brine collecting channel 20, and the reinforcing pipe 31 is made of a pipe having compression resistance such as a steel pipe or a cement pipe. Because at the junction of the well body 10 and the brine collecting canal 20, brine intensively floods into the interior of the well body 10, the brine flow rate at the junction is larger, and the problems of salt formation, collapse, siltation and the like are easily generated, through the arrangement, the junction of the well body 10 and the brine collecting canal 20 can be stabilized by the reinforcing structure, and collapse is prevented.

As shown in fig. 2, in an embodiment of the present utility model, the reinforcing structure further includes a gravel layer 32 filled in the partial brine-collecting channel 21. The gravel layer 32 is located in the reinforcement pipe 31 and can further perform the reinforcement function.

As shown in fig. 2, in the embodiment of the present utility model, the length L of the reinforcing structure has the following relationship with the diameter d of the halogen production passage 21: l is more than or equal to 2d and less than or equal to 3d. This ensures the strength of the reinforcing structure.

As shown in FIG. 2, in an embodiment of the utility model, the brine producing well further comprises a filter 40 disposed at the junction of the well body 10 and the brine producing channel 20.

It should be noted that "the junction between the well body 10 and the brine production channel 20" refers to the junction between the well body 10 and the brine production channel 20 and the periphery thereof, and not just the junction between the well body 10 and the brine production channel 20.

In the above technical solution, the brine production well includes two filter elements 40, the two filter elements 40 are arranged at intervals along the length direction of the brine production channel 20, and the filter elements 40 are a screen. Thus, the problem that large-particle solid matters directly enter the well body to cause the sedimentation in the well body can be prevented.

In one embodiment of the utility model, the brine production tunnel 21 is constructed by a small shield machine that is driven into a formation at depth.

From the above description, it can be seen that the above-described embodiments of the present utility model achieve the following technical effects: the brine production well is constructed in the area of stable stratum structure and stable bearing well body, the second end of the brine production channel extends to the area of loose stratum structure and unable stable bearing well body, brine in the stratum permeates the brine production channel and then enters the brine production channel, and because the second end of the brine production channel is higher than the first end, brine in the brine production channel can flow to the first end and flow into the well body under the action of gravity, thereby realizing brine production. The brine production well is constructed in the area with stable stratum structure, so that the problems that stratum debris matters are lost along with brine production, and the well body is lack of support are avoided, and the problem that the stratum around the well body naturally subsides and collapses is avoided, thereby ensuring that the brine production well can stably produce brine for a long time, and reducing the construction cost of brine production facilities and the later maintenance cost; through addding and adopting the steamed canal, adopt the steamed well and can enlarge and adopt steamed scope, adopt the steamed well to carry out the large tracts of land and adopt steamed operation in a large scale through a small amount, avoid because of the loose problem that is difficult to build of stratum structure adopts the steamed well to lead to this regional brine unavailable.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A brine production well, comprising:

a well (10) defining a cavity for collecting brine;

-a brine production channel (20) extending in a radial direction of the well body (10), a first end of the brine production channel (20) being connected to the well body (10), a second end of the brine production channel (20) being configured to extend into a formation;

the brine collecting channel (21) is defined by the brine collecting channel (20) and is communicated with the cavity, the brine collecting channel (21) is provided with a first end and a second end which are oppositely arranged, the first end of the brine collecting channel (21) is positioned at the first end of the brine collecting channel (20), the second end of the brine collecting channel (21) is positioned at the second end of the brine collecting channel (20), in the vertical direction, the second end of the brine collecting channel (21) is higher than the first end of the brine collecting channel (21), and the brine collecting channel (20) is configured to be capable of being permeated by brine positioned in a ground and enter the brine collecting channel (21).

2. The brine production well of claim 1, comprising a plurality of the brine production channels (20), the plurality of brine production channels (20) being circumferentially spaced around the well body (10); and/or the number of the groups of groups,

the brine production well comprises a plurality of brine production channels (20), and the brine production channels (20) are arranged at intervals along the vertical direction.

3. A brine production well according to claim 1, wherein the brine production channel (21) has a diameter in the range of 30cm to 80cm.

4. The brine production well according to claim 1, wherein the central axis of the brine production channel (21) is at an angle to the horizontal, the height of the brine production channel (21) gradually increasing from the first end of the brine production channel (21) to the second end of the brine production channel (21).

5. A brine production well according to claim 4, wherein the elevation of the brine production channel (21) in the horizontal direction ranges from 0.5m to 1m per 1000m from the first end to the second end of the brine production channel (21).

6. A brine producing well according to any one of claims 1 to 5, further comprising a reinforcing structure provided at the junction of the well body (10) and the brine producing channel (20).

7. A brine production well according to claim 6, wherein the reinforcement structure comprises reinforcement tubing (31) supported within the brine production channel (20).

8. The brine producing well of claim 6, wherein the reinforcing structure further comprises a gravel layer (32) filled within a portion of the brine producing channel (21).

9. A brine production well according to claim 6, wherein the length L of the reinforcement structure has the following relation to the diameter d of the brine production channel (21): l is more than or equal to 2d and less than or equal to 3d.

10. A brine producing well according to any one of claims 1 to 5, further comprising a filter (40) provided at the junction of the well body (10) and the brine producing channel (20).