Injection-production well pattern structure of gas storage

Abstract

The utility model discloses a gas storage injection-production well pattern structure, which relates to the technical field of gas production engineering, and comprises a gas storage main body, a horizontal well main body and a vertical well main body, a first reservoir is arranged in the gas storage main body, a middle layer is arranged at the lower end of the first reservoir, and a second reservoir is arranged at the lower end of the middle layer; a horizontal well main body is arranged in the gas storage main body, a vertical well main body is distributed outside the horizontal well main body, a mounting butt joint ring is additionally arranged at the upper end of the outer portion of the vertical well main body, a threaded mounting groove is formed in the mounting butt joint ring, and a mounting bolt is connected into the threaded mounting groove. A limiting butt-joint groove is formed in the upper end of the interior of the vertical well body, a rubber sealing ring is connected into the limiting butt-joint groove, and mounting valves are distributed at the upper end of the vertical well body. According to the injection-production well pattern structure of the gas storage, the vertical well and the horizontal well can be matched together, the injection-production efficiency is improved, and the control degree of the injection-production well pattern structure of the gas storage on the gas storage is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas production engineering technical field, concretely is a kind of gas storage injection-production well network structure. BACKGROUND

[0002] Gas storage injection-production refers to the process that natural gas is injected into underground gas storage is called "gas injection", and the process that natural gas is extracted from gas storage to supply user is called "gas production", and the operation cycle of gas storage is usually one year, and the specific process is "winter-spring gas production, summer-autumn gas injection", and gas storage construction is used for natural gas seasonal peak shaving, emergency peak shaving, can play the role of optimizing pipeline operation, and is not prone to fire or explosion, guarantee safety gas supply, its concealment and safety are suitable for strategic reserve, therefore, gas storage construction has been highly valued by countries around the world, and gas storage injection-production well network refers to the distribution and arrangement mode of well in gas storage construction, in order to improve gas storage injection-production efficiency, a well network structure is required, but the existing well network structure still has the following shortcomings:

[0003] When the existing well network structure is used, most well network structures are mainly vertical wells, and the reserves of vertical wells are relatively smaller than horizontal wells, so that the gas storage capacity of gas storage is relatively affected, and the injection-production efficiency is affected, causing the practicality of well network structure to decrease and the use efficiency to decrease.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and a gas storage injection-production well network structure is provided. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of gas storage injection-production well network structure to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of gas storage injection-production well network structure, including gas storage main body, horizontal well main body and straight well main body, the first reservoir is arranged in the gas storage main body, and the first reservoir lower end is provided with intermediate layer, and the intermediate layer lower end is provided with second reservoir, the horizontal well main body is arranged in the gas storage main body, and the straight well main body is distributed in the outer part of horizontal well main body, the installation butt joint ring is additionally provided on the outer upper end of straight well main body, the threaded mounting groove is opened in the inside of installation butt joint ring, and the installation bolt is connected in the inside of threaded mounting groove, the limiting butt joint groove is opened in the inside upper end of straight well main body, and the rubber sealing ring is connected in the inside of limiting butt joint groove, the installation valve is distributed on the upper end of straight well main body.

[0007] Further, the first reservoir and the second reservoir are respectively arranged on the upper and lower sides of the intermediate layer, and the intermediate layer is arranged and limited between the first reservoir and the second reservoir.

[0008] Further, the horizontal well body is embeddedly connected with the gas storage body, and the front end of the horizontal well body is arranged in the second reservoir.

[0009] Further, the number of the straight well bodies is two, and the two straight well bodies are symmetrically arranged inside the gas storage body along the central axis of the front face of the gas storage body.

[0010] Further, the inside dimension of the mounting butt joint ring is matched with the outside dimension of the straight well body, and the mounting butt joint ring is fixedly connected with the straight well body through welding.

[0011] Further, the inside dimension of the threaded mounting groove is matched with the outside dimension of the mounting bolt, and the mounting bolt is rotatably connected with the mounting butt joint ring through the threaded mounting groove.

[0012] Further, the inside dimension of the limiting butt joint groove is matched with the outside dimension of the rubber sealing ring, and the rubber sealing ring is connected with the straight well body through the limiting butt joint groove.

[0013] Further, the outside of the mounting valve is horizontally distributed outside the straight well body, and the mounting valve is fixedly connected with the straight well body through bolts.

[0014] The utility model provides a kind of gas storage injection well network structure, with the following beneficial effects:

[0015] 1, the utility model is provided with the setting of horizontal well body, when the gas storage injection well network structure is used, the straight well body is installed into the gas storage body inside after, the front end of the straight well body on both sides is located in the first reservoir, while the front end of the horizontal well body is located in the second reservoir, and a longer straight well body is additionally arranged between the two horizontal well bodies, so that the front end is located in the second reservoir, the straight well body in the middle can be quickly transported to the second reservoir by such arrangement Gas, and cooperate with the horizontal well body on both sides to improve the storage capacity of the gas in the second reservoir, while the straight well body on both sides plays an auxiliary injection effect, and the straight well and horizontal well are simultaneously injected and extracted when injecting and extracting gas, thereby effectively improving the injection and extraction efficiency and improving the control degree of the gas storage injection well network structure on the gas storage.

[0016] 2, the utility model is provided with the setting of rubber sealing ring, when the gas storage injection well network structure is used, the mounting butt joint ring is fixedly installed on the outer upper end of the straight well body by welding, the mounting valve is fixedly installed on the upper end of the straight well body by threaded mounting groove and mounting bolt, and the rubber sealing ring is installed on the upper end of the straight well body by limiting butt joint groove, so as to improve the sealing performance of the straight well body and the mounting valve after installation by using the rubber sealing ring, avoid gas leakage, and improve the overall practicality and use efficiency of the gas storage injection well network structure. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a three-dimensional structure schematic view of the gas storage library injection production well pattern structure of the utility model;

[0018] Fig. 2 It is a horizontal well main body three-dimensional sectional view structure schematic view of the gas storage library injection production well pattern structure of the utility model;

[0019] Fig. 3 It is a rubber sealing ring three-dimensional development structure schematic view of the gas storage library injection production well pattern structure of the utility model.

[0020] In the drawing: 1, gas storage library main body; 2, first reservoir; 3, intermediate layer; 4, second reservoir; 5, horizontal well main body; 6, straight well main body; 7, installation butt joint ring; 8, threaded installation groove; 9, installation bolt; 10, limiting butt joint groove; 11, rubber sealing ring; 12, installation valve. DETAILED DESCRIPTION

[0021] The embodiment of the utility model is further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0022] As Figs. 1 to 3 Shown, a kind of gas storage library injection production well pattern structure, including gas storage library main body 1, horizontal well main body 5 and straight well main body 6, gas storage library main body 1 inside is provided with first reservoir 2, and first reservoir 2 lower end is provided with intermediate layer 3, and intermediate layer 3 lower end is provided with second reservoir 4, gas storage library main body 1 inside is provided with horizontal well main body 5, and horizontal well main body 5 outer part is distributed with straight well main body 6, intermediate layer 3 upper and lower sides are respectively provided with first reservoir 2 and second reservoir 4, and intermediate layer 3 is arranged and limited between first reservoir 2 and second reservoir 4, horizontal well main body 5 and gas storage library main body 1 are embeddedly connected, and horizontal well main body 5 front end is arranged in the inside of second reservoir 4, the number of straight well main body 6 is provided with two, and two straight well main body 6 are symmetrically arranged in the inside of gas storage library main body 1 two sides with the front central axis of gas storage library main body 1, after being installed into the inside of gas storage library main body 1, the front end of two straight well main body 6 on both sides is located in the inside of first reservoir 2, while installing horizontal well main body 5 in the inside of two straight well main body 6, so that the front end of horizontal well main body 5 is located in the inside of second reservoir 4, and a longer straight well main body 6 is additionally provided between two horizontal well main body 5, so that its front end is located in second reservoir 4, by such arrangement, the straight well main body 6 in the middle can quickly transport gas to the inside of second reservoir 4, and cooperates with the horizontal well main body 5 on both sides to improve the storage capacity of gas in second reservoir 4, while the straight well main body 6 on both sides plays the effect of auxiliary injection and production, when injecting and producing gas, straight well and horizontal well inject and produce gas simultaneously, thereby effectively improving injection and production efficiency, and improving the control degree of gas storage library injection production well pattern structure to gas storage library.

[0023] As Fig. 1and Fig. 3 As shown, the outer upper end of the straight well body 6 is additionally provided with a mounting butt joint ring 7, a threaded mounting groove 8 is arranged in the inner part of the mounting butt joint ring 7, and a mounting bolt 9 is connected in the inner part of the threaded mounting groove 8. A limiting butt joint groove 10 is arranged in the inner upper end of the straight well body 6, and a rubber sealing ring 11 is connected in the inner part of the limiting butt joint groove 10. The upper end of the straight well body 6 is distributed with a mounting valve 12. The inner dimension of the mounting butt joint ring 7 is matched with the outer dimension of the straight well body 6, and the mounting butt joint ring 7 is fixedly connected with the straight well body 6 through welding. The inner dimension of the threaded mounting groove 8 is matched with the outer dimension of the mounting bolt 9, and the mounting bolt 9 is rotatably connected with the mounting butt joint ring 7 through the threaded mounting groove 8. The inner dimension of the limiting butt joint groove 10 is matched with the outer dimension of the rubber sealing ring 11, and the rubber sealing ring 11 is connected with the straight well body 6 through the limiting butt joint groove 10. The outer side of the mounting valve 12 is horizontally distributed with the outer side of the straight well body 6, and the mounting valve 12 is fixedly connected with the straight well body 6 through bolts. The mounting butt joint ring 7 is fixedly mounted on the outer upper end of the straight well body 6 through welding. The inner dimension of the threaded mounting groove 8 arranged in the inner part of the mounting butt joint ring 7 is matched with the outer dimension of the mounting bolt 9, so that the mounting valve 12 is fixedly mounted on the upper end of the straight well body 6 through the threaded mounting groove 8 cooperating with the mounting bolt 9. Meanwhile, the inner dimension of the limiting butt joint groove 10 arranged in the inner upper end of the straight well body 6 is matched with the outer dimension of the rubber sealing ring 11, so that the rubber sealing ring 11 is mounted on the upper end of the straight well body 6 through the limiting butt joint groove 10. In turn, the sealing property of the straight well body 6 after the mounting valve 12 is mounted is improved by the rubber sealing ring 11, the leakage of gas is avoided, and the overall practicality and use efficiency of the gas storage injection-production well pattern structure are improved.

[0024] In summary, the gas storage injection-production well pattern structure, in use, first separates the first reservoir 2 and the second reservoir 4 by the intermediate layer 3 arranged in the middle of the gas storage main body 1, installs the straight well main body 6 into the gas storage main body 1, and makes the front end of the straight well main body 6 on both sides located in the first reservoir 2, installs the horizontal well main body 5 in the straight well main body 6 on both sides, makes the front end of the horizontal well main body 5 located in the second reservoir 4, and adds a longer straight well main body 6 between the two horizontal well main bodies 5, and makes the front end of the straight well main body 6 located in the second reservoir 4, through such arrangement, the straight well main body 6 in the middle can quickly transport gas into the second reservoir 4, and the horizontal well main body 5 on both sides can improve the gas storage of the second reservoir 4, the straight well main body 6 on both sides can assist injection and production, and the straight well and the horizontal well can be used for injection and production at the same time, thereby effectively improving the injection and production efficiency, improving the control degree of the gas storage injection-production well pattern structure on the gas storage, then, the installation valve 12 is fixedly installed on the upper end of the straight well main body 6 through the threaded installation groove 8 and the installation bolt 9, the rubber sealing ring 11 is installed on the upper end of the straight well main body 6 through the limiting butt joint groove 10, thereby the rubber sealing ring 11 improves the sealing performance of the straight well main body 6 after installation of the installation valve 12, avoids gas leakage, and improves the overall practicality and use efficiency of the gas storage injection-production well pattern structure.

[0025] The embodiments of the present application are given for the purpose of illustration and description, and are not exhaustive or limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application in order to design various embodiments with various modifications for specific use.

Claims

1. A gas storage injection-production well pattern structure comprising a gas storage main body (1), a horizontal well main body (5), and a vertical well main body (6), characterized in that, The gas storage body (1) is internally provided with a first reservoir (2), and the lower end of the first reservoir (2) is provided with an intermediate layer (3), and the lower end of the intermediate layer (3) is provided with a second reservoir (4), the gas storage body (1) is internally provided with a horizontal well body (5), and the outer part of the horizontal well body (5) is distributed with a vertical well body (6), the outer part of the vertical well body (6) is additionally provided with a mounting butt ring (7) at the upper end, and the mounting butt ring (7) is internally provided with a threaded mounting groove (8), and the threaded mounting groove (8) is internally connected with a mounting bolt (9), the vertical well body (6) is internally provided with a limiting butt groove (10) at the upper end, and the limiting butt groove (10) is internally connected with a rubber sealing ring (11), and the vertical well body (6) is distributed with a mounting valve (12) at the upper end.

2. The injection-production well pattern structure of a gas storage according to claim 1, wherein The upper and lower sides of the intermediate layer (3) are respectively provided with a first reservoir (2) and a second reservoir (4), and the intermediate layer (3) is arranged and limited between the first reservoir (2) and the second reservoir (4).

3. The injection-production well pattern structure of a gas storage according to claim 1, wherein The horizontal well body (5) and the gas storage body (1) are connected in an embedded manner, and the front end of the horizontal well body (5) is arranged in the second reservoir (4).

4. The injection-production well pattern structure of a gas storage according to claim 1, wherein The number of the vertical well body (6) is two, and the two vertical well bodies (6) are symmetrically arranged on both sides of the gas storage body (1) with the front surface central axis of the gas storage body (1) as the center.

5. The injection-production well pattern structure of a gas storage according to claim 1, wherein The inner dimension of the mounting butt ring (7) is matched with the outer dimension of the vertical well body (6), and the mounting butt ring (7) and the vertical well body (6) are fixedly connected by welding.

6. The injection-production well pattern structure of a gas storage according to claim 1, wherein The inner dimension of the threaded mounting groove (8) is matched with the outer dimension of the mounting bolt (9), and the mounting bolt (9) is rotatably connected with the mounting butt ring (7) through the threaded mounting groove (8).

7. The injection-production well pattern structure of a gas storage according to claim 1, wherein The inner dimension of the limiting butt groove (10) is matched with the outer dimension of the rubber sealing ring (11), and the rubber sealing ring (11) is connected with the vertical well body (6) through the limiting butt groove (10).

8. The gas storage reservoir injection-production well pattern structure according to claim 1, wherein, The outer side of the mounting valve (12) is horizontally distributed with the outer side of the vertical well body (6), and the mounting valve (12) is fixedly connected with the vertical well body (6) through bolts.

Images