Automatic adjusting injection device for oil field injection well

Abstract

The utility model provides an automatic adjusting injection device for an oil field injection well, which comprises a storage tank and a PLC (programmable logic controller) arranged on the right upper side of the storage tank. A first valve is in threaded connection with the lower end of the storage tank; the lower end of the first valve is in threaded connection with a first delivery pipe; the right end of the first conveying pipe is in threaded connection with a conveying pump. The right end of the delivery pump is in threaded connection with a second delivery pipe; the right end of the second conveying pipe is in threaded connection with a second valve; the right end of the second valve is in threaded connection with a control pipe frame; the left side in the control pipe frame is in threaded connection with a flow sensor, and the upper side in the control pipe frame is in threaded connection with a pressure sensor; the front side of the PLC is electrically connected with an Internet of Things module; a detection alarm replenisher structure is mounted at the upper end of the storage tank; and the PLC is electrically connected with a liquid level detection sealing seat structure. According to the utility model, through the arrangement of the liquid level detection sealing seat structure, the liquid level in an oil field injection well is detected so as to assist in detection, and the amount of injected materials is accurately adjusted to keep constant pressure in cooperation with the detected pressure.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection wells in oil fields, and in particular relates to an injection device for automatically adjusting injection wells in oil fields. Background Art

[0002] The injection device is an instrument device for detecting the pressure of an injection well in an oil field, thereby automatically adjusting the injection amount to maintain the pressure balance of the injection well in the oil field. The traditional injection device includes a flow pipeline, a valve port is provided at the water inlet end of the flow pipeline, a first hydraulic cylinder and a second hydraulic cylinder are provided on the flow pipeline in sequence according to the direction of water flow, a first piston and a second piston are respectively installed in the first hydraulic cylinder and the second hydraulic cylinder, a first pressure inlet and a second pressure inlet are formed between the first piston and the second piston and the flow pipeline, the first piston and the second piston are connected by a rigid connecting object, a gravity loading part is provided on the rigid connecting object, one end of the first piston is connected to the oil pressure valve through the control part of the oil pressure valve, the oil pressure valve and the valve port are matched, and the device has the characteristics of accurate injection data at all times and fine effects, but it is not convenient to detect the internal liquid level of the oil field injection well, so that the pressure detection process is not accurate enough and it is not convenient to detect the storage amount at the material storage place, which is easy to affect work efficiency. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides an injection device for automatically adjusting an oil field injection well, which can detect the material storage and replenish the material in time, avoid the influence of insufficient material on work efficiency during the injection process, and detect the liquid level inside the oil field injection well to accurately adjust the injection work.

[0004] The technical scheme is as follows: an injection device for automatic regulation of injection wells in an oil field, comprising a storage tank and a PLC, wherein the PLC is arranged on the upper right side of the storage tank; a first valve is threadedly connected to the lower end of the storage tank; a first delivery pipe is threadedly connected to the lower end of the first valve; a delivery pump is threadedly connected to the end on the right side of the first delivery pipe; a second delivery pipe is threadedly connected to the right end of the delivery pump; a second valve is threadedly connected to the right end of the second delivery pipe; a control pipe rack is threadedly connected to the left side of the control pipe rack, and a pressure sensor is threadedly connected to the upper side of the control pipe rack; an Internet of Things module is electrically connected to the front side of the PLC; a detection alarm supplementer structure is installed on the upper end of the storage tank; the PLC is electrically connected to a liquid level detection sealing seat structure, characterized in that the liquid level detection sealing seat structure includes an operating seat, and a sealing gasket is glued to the lower side of the operating seat; a connector is welded to the lower end of the operating seat; and a pressure liquid level sensor is threadedly connected to the inside of the connector.

[0005] Preferably, the sealing pad at the bottom of the operating seat is a rubber pad.

[0006] Compared with the prior art, the beneficial effects of the utility model are:

[0007] In the utility model, the operating seat and the sealing pad are arranged to seal the installation location.

[0008] In the utility model, the arrangement of the connector facilitates the installation and use of the pressure liquid level sensor.

[0009] In the utility model, the pressure liquid level sensor is arranged to detect the liquid level in the injection well of the oil field, thereby assisting the detection, and cooperating with the detected pressure to accurately adjust the amount of injected material to maintain a constant pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the utility model;

[0011] Figure 2 It is a structural schematic diagram of the liquid level detection sealing seat structure of the utility model;

[0012] Figure 3 It is a structural schematic diagram of the detection alarm supplementer structure of the utility model.

[0013] In the figure:

[0014] 1. Storage tank; 2. First valve; 3. First delivery pipe; 4. Delivery pump; 5. Second delivery pipe; 6. Second valve; 7. Control pipe rack; 8. Flow sensor; 9. Pressure sensor; 10. PLC; 11. Internet of Things module; 12. Detection alarm supplementer structure; 121. Support seat; 122. Ultrasonic liquid level sensor; 123. Support rod; 124. Positioning seat; 125. Sound and light alarm; 13. Liquid level detection sealing seat structure; 131. Operating seat; 132. Sealing pad; 133. Connector; 134. Pressure liquid level sensor. DETAILED DESCRIPTION

[0015] The utility model is further described below in conjunction with the accompanying drawings:

[0016] Example:

[0017] As attached Figure 1As shown, an injection device for automatic regulation of injection wells in an oil field comprises a storage tank 1 and a PLC 10, wherein the PLC 10 is arranged on the upper right side of the storage tank 1; a first valve 2 is threadedly connected to the lower end of the storage tank 1; a first delivery pipe 3 is threadedly connected to the lower end of the first valve 2; a delivery pump 4 is threadedly connected to the end on the right side of the first delivery pipe 3; a second delivery pipe 5 is threadedly connected to the right end of the delivery pump 4; a second valve 6 is threadedly connected to the right end of the second delivery pipe 5; a control pipe rack 7 is threadedly connected to the right end of the second valve 6; a flow sensor 8 is threadedly connected to the left side of the control pipe rack 7, and a pressure sensor 9 is threadedly connected to the upper side of the control pipe rack 7; an Internet of Things module 11 is electrically connected to the front side of the PLC 10; a detection alarm supplementer structure 12 is installed on the upper end of the storage tank 1; and the PLC 10 is electrically connected to a liquid level detection sealing seat structure 13.

[0018] As attached Figure 2 As shown, in the above embodiment, specifically, the liquid level detection sealing seat structure 13 includes an operating seat 131, a sealing gasket 132 is glued to the lower side of the operating seat 131; a connector 133 is welded to the lower end of the operating seat 131; and a pressure liquid level sensor 134 is threadedly connected to the internal thread of the connector 133.

[0019] As attached Figure 3 As shown, in the above embodiment, specifically, the detection alarm replenisher structure 12 includes a supporting seat 121, and an ultrasonic liquid level sensor 122 is installed with internal bolts of the supporting seat 121; a support rod 123 is installed with the right bolts on the upper end of the supporting seat 121; a positioning seat 124 is installed with the upper bolts of the support rod 123; the upper bolts of the positioning seat 124 support the sound and light alarm 125; the storage tank 1 detects the material storage amount through the ultrasonic liquid level sensor 122, and when the material is less, it cooperates with PLC10 and the sound and light alarm 125 to alarm and replenish the storage tank 1 in time.

[0020] In the above embodiment, specifically, the connector 133 is provided with an external thread on its outer side and is fixedly connected to the operating seat 131 , and can be threadedly connected to an injection well in an oil field to be used in conjunction with the pressure level sensor 134 .

[0021] In the above embodiment, specifically, the pressure liquid level sensor 134 is installed in the oil field injection well through the connector 133, so as to facilitate the application of liquid level detection.

[0022] In the above embodiment, specifically, the support base 121 is welded to the upper side of the storage tank 1 , and the ultrasonic liquid level sensor 122 is connected to the inside of the storage tank 1 , so as to detect the storage amount of the material inside the storage tank 1 .

[0023] In the above embodiment, specifically, the sound and light alarm 125 is supported above the storage tank 1, and an alarm is sounded when the liquid level is detected to be low, so as to facilitate timely replenishment and avoid insufficient materials during the injection process to affect work efficiency.

[0024] In the above embodiment, specifically, the first valve 2 is electrically connected to PLC10, the delivery pump 4 is electrically connected to PLC10, the second valve 6 is electrically connected to PLC10, the flow sensor 8 is electrically connected to PLC10, the pressure sensor 9 is electrically connected to PLC10, the Internet of Things module 11 is electrically connected to PLC10, the pressure liquid level sensor 134 is electrically connected to PLC10, the ultrasonic liquid level sensor 122 is electrically connected to PLC10, the sound and light alarm 125 is electrically connected to PLC10, and the PLC10 is connected to a computer network through the Internet of Things module 11.

[0025] How it works

[0026] The working principle of the utility model is as follows: when detecting and adjusting the injection of an oil field injection well, the control pipe rack 7 is connected to the injection pipeline of the oil field injection well, and then the pressure sensor 9 detects the pressure in the injection pipeline and the connected oil field injection well. After the preliminary detection, the pressure liquid level sensor 134 at the end of the operating seat 131 detects the liquid level in the oil field injection well, and the delivery pump 4 is driven according to the pressure and the liquid level, and the first valve 2 and the second valve 6 are opened to cooperate with the first delivery pipe 3 and the second delivery pipe 5 to inject materials to adjust the pressure of the oil field injection well. During the injection process, the flow sensor 8 detects the flow to assist in the work. During use, the storage tank 1 detects the material storage amount through the ultrasonic liquid level sensor 122 for application. When the material is less, the PLC 10 and the sound and light alarm 125 are used to alarm and the storage tank 1 is replenished in time.

[0027] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. An injection device for an injection well in an oil field with automatic regulation, the injection device for an injection well in an oil field with automatic regulation, comprising a storage tank (1) and a PLC (10), wherein the PLC (10) is arranged on the upper right side of the storage tank (1); a first valve (2) is threadedly connected to the lower end of the storage tank (1); a first delivery pipe (3) is threadedly connected to the lower end of the first valve (2); a delivery pump (4) is threadedly connected to the right end of the first delivery pipe (3); a second delivery pipe (5) is threadedly connected to the right end of the delivery pump (4); and the second delivery pipe (5) is threadedly connected to the right end of the second delivery pipe (5). The second end of the storage tank (1) is threadedly connected to a second valve (6); the right end of the second valve (6) is threadedly connected to a control pipe rack (7); the left side of the control pipe rack (7) is threadedly connected to a flow sensor (8), and the upper side of the control pipe rack (7) is threadedly connected to a pressure sensor (9); the front side of the PLC (10) is electrically connected to an Internet of Things module (11); a detection alarm supplementer structure (12) is installed at the upper end of the storage tank (1); the PLC (10) is electrically connected to a liquid level detection sealing seat structure (13), characterized in that: The liquid level detection sealing seat structure (13) comprises an operating seat (131), a sealing pad (132) is glued to the lower side of the operating seat (131); a connector (133) is welded to the lower end of the operating seat (131); and a pressure liquid level sensor (134) is threadedly connected to the inside of the connector (133).

2. The automatic adjustment injection device for oil field injection wells according to claim 1, characterized in that: The detection alarm supplementer structure (12) comprises a support base (121), an ultrasonic liquid level sensor (122) is bolted inside the support base (121); a support rod (123) is bolted on the right side of the upper end of the support base (121); a positioning base (124) is bolted on the upper end of the support rod (123); and an audible and visual alarm (125) is bolted on the upper end of the positioning base (124).

3. The automatic adjustment injection device for oil field injection wells according to claim 1, characterized in that: The sealing pad (132) at the bottom of the operating seat (131) is a rubber pad, and the outer side of the connecting head (133) is provided with an external thread and is fixedly connected to the operating seat (131).

4. The automatic adjustment injection device for oil field injection wells according to claim 1, characterized in that: The pressure liquid level sensor (134) is installed in an injection well in an oil field via a connector (133).

5. The automatic adjustment injection device for oil field injection wells according to claim 2, characterized in that: The supporting seat (121) is welded to the upper side of the interior of the storage tank (1), and the ultrasonic liquid level sensor (122) is connected to the interior of the storage tank (1).

6. The automatic adjustment injection device for oil field injection wells according to claim 2, characterized in that: The sound and light alarm (125) is supported above the storage tank (1).

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