Wellhead emptying device of water source well

Abstract

The utility model belongs to the technical field of water source well mouth emptying control, and discloses a water source well mouth emptying device. The device comprises a box body, a control valve is arranged in the box body, a plurality of quick-connection plugs and at least one reserved hole are further arranged on the two sides of the box body, a box cover is further connected to the top of the box body, a connecting water pipe and a communicating pipe are connected to the two sides of the control valve respectively, and a supporting pipe fitting is connected to the other end of the communicating pipe. And a blow-down pipe is arranged in the supporting pipe fitting. The control valve, the connecting water pipe, the connecting pipe and the blow-down pipe in the box body are used in cooperation, the automatic blow-down function of linkage control is achieved during pump starting operation of the water supply and injection station, and the pump burning probability can be effectively reduced; the supporting pipe fitting is of a telescopic structure, one end of the supporting pipe fitting is fixed to the connecting water pipe, the other end of the supporting pipe fitting is supported on the ground, the supporting pipe fitting and the blow-down pipe achieve the two functions of blow-down and supporting, the stability of the connecting water pipe and the box body is guaranteed, external connection structures are reduced, and the integration degree of equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water injection station control, in particular to an air release device for a water source well wellhead. Background Technique

[0002] Using water injection equipment to inject water that meets the quality requirements from an injection well into the oil reservoir to maintain the reservoir pressure, this process is called oilfield water injection. Oilfield water injection is one of the important means to supplement energy to the formation and improve the oil recovery rate during the oilfield development process. The level of the management technology of injection wells determines the quality of the oilfield development effect, and also determines the length of the oilfield development life. The water source of injection wells comes from the surface water injection station, and the water source of the water injection station is provided by one or more water source wells.

[0003] In the prior art, the air release pipe in the water source well of the water injection station is directly connected to the connecting water pipe, and the whole device is installed suspended. During use, due to the large internal pressure of the connecting water pipe and the vibration of the internal water flow during startup, the whole device is prone to pump burning and the breakage of the equipment connecting pipes caused by pressure and vibration during long-term use, and the stability of the whole equipment is poor. Content of the Utility Model

[0004] The purpose of the utility model is to provide an air release device for a water source well wellhead to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] An air release device for a water source well wellhead includes a box body, a control valve is arranged inside the box body, a plurality of quick connectors and at least one reserved hole are further arranged on both sides of the box body, a box cover is connected to the top of the box body, a connecting water pipe and a communicating pipe are respectively connected to both sides of the control valve, the other end of the communicating pipe is connected to a support fitting, and an air release pipe is arranged inside the support fitting.

[0007] Further preferably, the support fitting includes a base, the base is arranged on the ground, a connecting pipe is arranged on the surface of the base, an opening is arranged on one side of the connecting pipe, a mounting seat is arranged on the top of the connecting pipe, a sleeve is arranged on the surface of the mounting seat, the air release pipe is sleeved inside the sleeve, a buffer member is arranged between the air release pipe and the sleeve, a compression plate is further arranged at the end of the air release pipe away from the mounting seat inside the sleeve, elbows are respectively arranged at both ends of the air release pipe, one end of the air release pipe passes through the sleeve and is connected to the communicating pipe through the elbow, the other end of the air release pipe is movably arranged inside the opening through the elbow, and a limiting plate is further arranged on the outer side of the end of the air release pipe close to the communicating pipe.

[0008] Further preferably, on the outer side of the connecting pipe, except for the side with an opening, reinforcing ribs are respectively arranged in the other three directions.

[0009] Further preferably, the supporting pipe fitting further includes a support pipe, which is connected to the outer side of the vent pipe in a threaded connection manner. A sealing cap is arranged at the connection position of the end of the support pipe close to the box body and the vent pipe, and the sealing cap is screwed to the end of the support pipe.

[0010] Further preferably, threaded holes and positioning holes are respectively arranged at the four corners of the box body. At the corresponding positions of the four corners at the bottom of the box cover, fastening bolts and positioning pins are respectively arranged. The fastening bolts and the threaded holes are fixedly connected in a screwed connection manner, and the positioning pins and the positioning holes are connected in a shaft-hole matching manner.

[0011] Further preferably, the control valve includes a vent valve and a check valve, and the vent valve and the check valve are respectively connected to a quick-connect plug through electric wires.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] Through the combined use of the control valve, connecting water pipe, connecting pipe, and vent pipe inside the box body, the automatic venting function of linkage control with the starting pump inside the pumping station is realized, which can effectively reduce the probability of pump burning; the support pipe fitting is a telescopic structure, with one end fixed on the connecting water pipe and the other end supported on the ground. The combination of the support pipe fitting and the internal vent pipe realizes two functions of venting and support, ensuring the stability of the connecting water pipe and the box body 1, reducing external structures, and improving the integration degree of the equipment; at the same time, the relevant instrument cable connectors of the equipment adopt pluggable quick-connect plugs, and a plurality of quick-connect plugs and at least one reserved hole are also arranged on both sides of the box body, which is convenient for installation and maintenance. Description of the Drawings

[0014] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0015] Figure 2 It is a schematic diagram of a support pipe fitting structure of the present utility model;

[0016] Figure 3 It is another schematic diagram of a support pipe fitting structure of the present utility model;

[0017] Figure 4 It is a schematic diagram of the box cover structure of the present utility model;

[0018] In the figure: 1, box body; 2, quick-connect plug; 3, reserved hole; 4, connecting water pipe; 5, control valve; 6, communicating pipe; 7, supporting pipe fitting; 8, base; 9, reinforcing rib; 10, opening; 11, vent pipe; 12, mounting seat; 13, sleeve; 14, buffer member; 15, compression plate; 16, limiting plate; 17, support pipe; 18, sealing cap; 19, box cover; 20, positioning pin; 21, fastening bolt; 22, threaded hole; 23, positioning hole. Detailed implementation manner

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figures 1 - 4 , the present invention provides a technical solution:

[0021] A venting device for the wellhead of a water source well, comprising a box body 1, a control valve 5 is arranged inside the box body 1, a plurality of quick-connect plugs 2 and at least one reserved hole 3 are also arranged on both sides of the box body 1, a box cover 19 is further connected to the top of the box body 1, a connecting water pipe 4 and a communicating pipe 6 are respectively connected to both sides of the control valve 5, the other end of the communicating pipe 6 is connected to a supporting pipe fitting 7, and a vent pipe 11 is arranged inside the supporting pipe fitting 7.

[0022] In the present invention, the supporting pipe fitting 7 includes a base 8, the base 8 is arranged on the ground, and a connecting pipe is arranged on the surface of the base 8, an opening 10 is arranged on one side of the connecting pipe, a mounting seat 12 is arranged on the top of the connecting pipe, a sleeve 13 is arranged on the surface of the mounting seat 12, the vent pipe 11 is sleeved inside the sleeve 13, a buffer member 14 is arranged between the vent pipe 11 and the sleeve 13, the buffer member 14 can be composed of a spring or other structures with buffer functions, a compression plate 15 is further arranged at the end of the vent pipe 11 away from the mounting seat 12 inside the sleeve 13, elbows are respectively arranged at both ends of the vent pipe 11, one end of the vent pipe 11 passes through the sleeve 13 and is connected to the communicating pipe 6 through an elbow, the other end of the vent pipe 11 is movably arranged inside the opening 10 through an elbow, and a limiting plate 16 is further arranged on the outer side of the end of the vent pipe 11 close to the communicating pipe 6. Reinforcing ribs 9 are respectively arranged on the other three directions of the outer side of the connecting pipe except the side where the opening 10 is arranged.

[0023] In the present invention, the supporting pipe fitting 7 further includes a support pipe 17, the support pipe 17 is connected to the outer side of the vent pipe 11 by means of threaded connection, a sealing cap 18 is arranged at the connection between the end of the support pipe 17 close to the box body 1 and the vent pipe 11, and the sealing cap 18 is screwed to the end of the support pipe 17.

[0024] In the present utility model, threaded holes 22 and positioning holes 23 are respectively arranged at the four corners of the box body 1. At the corresponding positions of the threaded holes 22 and the positioning holes 23 at the four corners of the bottom of the box cover 19, fastening bolts 21 and positioning pins 20 are respectively arranged. Moreover, the fastening bolt 21 and the threaded hole 22 are fixedly connected by screwing, and the positioning pin 20 and the positioning hole 23 are connected by means of shaft-hole fit.

[0025] In the present utility model, the control valve 5 includes a vent valve and a check valve, and the vent valve and the check valve are respectively connected to the quick-connect plug 2 by electric wires.

[0026] Embodiment 1: When in use, first connect the entire device to the starting pump of the pumping station through the connecting water pipe 4, then connect the connecting water pipe 4 to the control valve 5 inside the box body 1, and then connect the support pipe fitting 7 to the control valve 5 through the connecting pipe 6. The control valve 5 includes a vent valve and a check valve, and the vent valve and the check valve are respectively connected to the quick-connect plug 2 by electric wires. The quick-connect plug 2 adopts an IP68 waterproof aviation plug. The support pipe fitting 7 is composed of a vent pipe 11, a support pipe 17 and a sealing cap 18. The support pipe 17 is connected to the outside of the vent pipe 11 by means of threaded connection. A sealing cap 18 is arranged at the connection of the end of the support pipe 17 close to the box body 1 and the vent pipe 11, and the sealing cap 18 is screwed to the end of the support pipe 17. The height of the entire support pipe fitting 7 can be changed by adjusting the position of the threaded connection between the vent pipe 11 and the support pipe 17, so as to ensure that the support pipe fitting 7 can support the entire device on the ground, thereby reducing the vibration of the entire device during use. The combination of the support pipe fitting 7 and the internal vent pipe 11 realizes two functions of venting and supporting, ensures the stability of the connecting water pipe 4 and the box body 1, reduces external structures, and at the same time cooperates with the sealing cap 18 arranged at the connection of the end of the support pipe 17 close to the box body 1 and the vent pipe 11 to seal the connection between the support pipe 17 and the vent pipe 11, preventing the problem of leakage.

[0027] Embodiment 2: The difference between this embodiment and Embodiment 1 lies in that: the support pipe fitting 7 and the vent pipe 11 have different structures from those in Embodiment 1. In this embodiment, the vent pipe 11 is a telescopic structure, and a limit nut is provided at the connection of the telescopic structure of the vent pipe 11. The support pipe fitting 7 includes a base 8, the base 8 is arranged on the ground, and a connecting pipe is provided on the surface of the base 8. An opening 10 is provided on one side of the connecting pipe, and a mounting seat 12 is provided at the top of the connecting pipe. A sleeve 13 is provided on the surface of the mounting seat 12, and the vent pipe 11 is sleeved inside the sleeve 13. A buffer member 14 is provided between the vent pipe 11 and the sleeve 13. A compression plate 15 is further provided at the end of the vent pipe 11 away from the mounting seat 12 inside the sleeve 13. Elbows are respectively provided at both ends of the vent pipe 11. One end of the vent pipe 11 passes through the sleeve 13 and is connected to the communicating pipe 6 through an elbow. The other end of the vent pipe 11 is movably arranged inside the opening 10 through an elbow. A limit plate 16 is further provided on the outer side of the end of the vent pipe 11 close to the communicating pipe 6. Reinforcing ribs 9 are respectively provided in the other three directions on the outer side of the connecting pipe except for the side where the opening 10 is provided. During use, by pressing down the limit plate 16, the vent pipe 11 inside the sleeve 13 can be extended, and the end of the vent pipe 11 close to the opening 10 moves downward inside the opening 10. After the vent pipe 11 extends to an appropriate length, the position of the vent pipe 11 is fixed by the limit nut at the top of the limit plate 16, so as to extend the height of the entire support pipe fitting 7. Vice versa, by loosening the limit nut, the vent pipe 11 can be reset under the action of the buffer member 14, and the height of the entire support pipe fitting 7 can be contracted. At the same time, a buffer member 14 is provided inside the sleeve 13, which can buffer the vibration caused by the pressure inside the pipeline and the water source when the pump is started during use. Thus, the two functions of venting and support are realized, ensuring the stability of the connecting water pipe 4 and the box body 1.

[0028] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and without departing from the spirit or basic characteristics of the present utility model, the present utility model can be implemented in other specific forms. Therefore, in any aspect, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes within the meaning and scope of the equivalent elements of the claims in the present utility model, and any reference signs in the claims should not be regarded as limiting the claims involved.

[0029] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes an equivalent replacement or change, and should be covered by the protection scope of the present utility model.

Claims

1. A water source well wellhead venting device, comprising a box body (1), characterized in that: Inside the box body (1), a control valve (5) is provided. On both sides of the box body (1), a plurality of quick-connect plugs (2) and at least one reserved hole (3) are also provided. On the top of the box body (1), a box cover (19) is further connected. On both sides of the control valve (5), a connecting water pipe (4) and a communicating pipe (6) are respectively connected. The other end of the communicating pipe (6) is connected to a support pipe fitting (7), and an emptying pipe (11) is arranged inside the support pipe fitting (7).

2. The air release device for the water source well head according to claim 1, characterized in that: The support pipe fitting (7) includes a base (8). The base (8) is arranged on the ground, and a connecting pipe is arranged on the surface of the base (8). An opening (10) is arranged on one side of the connecting pipe. An installation seat (12) is arranged on the top of the connecting pipe. A sleeve (13) is arranged on the surface of the installation seat (12). The emptying pipe (11) is sleeved inside the sleeve (13). A buffer member (14) is arranged between the emptying pipe (11) and the sleeve (13). A compression plate (15) is further arranged at one end of the emptying pipe (11) away from the installation seat (12) inside the sleeve (13). Elbows are respectively arranged at both ends of the emptying pipe (11). One end of the emptying pipe (11) passes through the sleeve (13) and is connected to the communicating pipe (6) through an elbow. The other end of the emptying pipe (11) is movably arranged inside the opening (10) through an elbow. A limiting plate (16) is further arranged on the outer side of one end of the emptying pipe (11) close to the communicating pipe (6).

3. The air release device for the wellhead of a water source well according to claim 2, characterized in that: On the outer side of the connecting pipe, reinforcing ribs (9) are respectively arranged in the other three directions except the side where the opening (10) is arranged.

4. The air release device for the water source well wellhead according to claim 1, wherein: The support pipe fitting (7) further includes a support pipe (17). The support pipe (17) is connected to the outer side of the emptying pipe (11) in a threaded connection manner. A sealing cap (18) is arranged at the connection position of the end of the support pipe (17) close to the box body (1) and the emptying pipe (11), and the sealing cap (18) is screwed to the end of the support pipe (17).

5. The air release device for the water source well head according to claim 1, wherein: Threaded holes (22) and positioning holes (23) are respectively arranged at the four corners of the box body (1). At the corresponding positions of the four corners of the bottom of the box cover (19) for the threaded holes (22) and the positioning holes (23), fastening bolts (21) and positioning pins (20) are respectively arranged. And the fastening bolts (21) and the threaded holes (22) are fixedly connected in a screwed connection manner, and the positioning pins (20) and the positioning holes (23) are connected in a shaft-hole matching manner.

6. The air release device for the water source well wellhead according to claim 1, characterized in that: The control valve (5) includes an emptying valve and a check valve, and the emptying valve and the check valve are respectively connected to the quick-connect plug (2) through electric wires.

Images