Oil gas recovery device

Abstract

The utility model discloses an oil gas recovery device, which belongs to the technical field of associated gas recovery devices and comprises an oil storage tank and a gas-liquid separation tower, the oil storage tank is communicated with a crude oil well through a first pipeline, and a gas inlet of the gas-liquid separation tower is communicated with the crude oil well through a second pipeline; crude oil of the crude oil well flows into the oil storage tank through the first pipeline, oil gas of the crude oil well enters the gas-liquid separation tower to be separated, the separated crude oil enters the oil storage tank through the third pipeline, and the separated oil gas is pressurized in the gas-liquid separation tower. When the liquid level of the crude oil in the gas-liquid separation tower rapidly rises, the liquid level triggers the floating ball body to rise so that the floating ball control valve can be opened, the crude oil is accelerated to flow into the oil storage tank from the floating ball control valve and the third pipeline, and the crude oil is discharged from the gas outlet of the gas-liquid separation tower. After the crude oil level drops, the floating ball body drops to close the floating ball control valve, so that the crude oil level in the gas-liquid separation tower is stable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the associated gas recovery device technical field especially relates to an oil gas recovery device. BACKGROUND

[0002] Associated gas, usually refers to the natural gas that is associated with oil.

[0003] Oil associated gas exhaust or combustion causes resource waste, and the oil well gas of recovery oil is generally many times better than ordinary well gas.

[0004] At present, the casing head oil recovery equipment in the market also plays a certain role in the process of putting into operation, due to the change of air temperature, the change of oil return amount, and the limitation of field conditions, some equipment in the operation process, pipeline appears frozen blockage, oil return amount suddenly becomes large, and it is not in time to discharge oil, which causes certain influence on oil and gas recovery and safety. UTILITY MODEL CONTENT

[0005] The utility model discloses a kind of oil gas recovery devices, which is to solve the above problems.

[0006] To achieve the above object, the utility model adopts the following technical scheme: an oil gas recovery device, it includes oil storage tank and gas-liquid separation tower, the oil storage tank is communicated with crude oil well by first pipeline, the gas inlet of the gas-liquid separation tower is communicated with crude oil well by second pipeline, the gas outlet of the gas-liquid separation tower is provided with self-adjusting valve, the liquid outlet of the gas-liquid separation tower is communicated with the oil storage tank by third pipeline, the gas-liquid separation tower is communicated with the third pipeline by float ball control valve, the float ball body of the float ball control valve extends to the inside of the gas-liquid separation tower, and the float ball body is below the gas inlet of the gas-liquid separation tower.

[0007] As a further description of the above technical scheme:

[0008] The second pipeline is provided with solenoid valve, the gas-liquid separation tower is provided with float ball switch, the float ball switch is above the gas inlet of the gas-liquid separation tower, the float ball switch is electrically connected with the solenoid valve, and parallel safety valve is connected between the first pipeline and the second pipeline.

[0009] As a further description of the above technical scheme:

[0010] The gas outlet of the gas-liquid separation tower is provided with float ball valve, the top of the gas-liquid separation tower is communicated with the oil storage tank by fourth pipeline, and the upper end of the fourth pipeline is provided with safety valve body.

[0011] As a further description of the above technical scheme:

[0012] The second pipeline is provided with a wireless remote transmission gas inlet flow meter, the gas outlet of the gas-liquid separation tower is provided with a wireless remote transmission gas outlet flow meter, the third pipeline is provided with a wireless remote transmission liquid outlet flow meter, and the gas-liquid separation tower is provided with a wireless remote transmission liquid level meter and a wireless remote transmission pressure meter.

[0013] Therefore, the crude oil well can be operated normally, and the oil gas recovery pipeline and the crude oil well can be protected.

[0014] 1、the crude oil of the crude oil well flows into the oil storage tank through the first pipeline, the oil gas of the crude oil well enters the gas-liquid separation tower for separation, the separated crude oil enters the oil storage tank through the third pipeline, the separated oil gas is pressurized in the gas-liquid separation tower, and the self-operated regulating valve is opened to discharge from the gas outlet of the gas-liquid separation tower for oil gas recovery.

[0015] 2、when the float ball control valve is damaged, the liquid level in the gas-liquid separation tower continues to rise, the liquid level contacts the float ball switch, the float ball switch controls the electromagnetic valve to be closed, and then the oil gas in the second pipeline stops flowing into the gas-liquid separation tower, so that the liquid level in the gas-liquid separation tower slowly decreases, and the parallel safety valve plays a pressure relief role, the pipeline pressure is safely discharged, and the normal operation of the pipeline and the crude oil well is ensured.

[0016] 3、when the float ball control valve and the float ball switch are damaged, the liquid level in the gas-liquid separation tower continues to rise to the gas outlet of the gas-liquid separation tower, the float ball valve is closed by the liquid level, the pressure in the gas-liquid separation tower rises rapidly, the safety valve body is opened, the crude oil flows into the oil storage tank through the fourth pipeline for recovery, and the crude oil is prevented from flowing into the oil gas recovery pipeline.

[0017] 4、the meter is designed in a wireless remote transmission mode, the equipment trend can be grasped at any time according to data changes, the data are transmitted to the on-site PLC, and the PLC is transmitted to a mobile phone, so that the data can be checked at any time and anywhere, the PLC alarm is given when an abnormality occurs, the mobile phone receives the alarm signal in time, and the on-site person or the nearest person is notified to check and handle in time. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural principle diagram of an oil gas recovery device.

[0019] Legend:

[0020] 1, oil storage tank; 2, gas-liquid separation tower; 3, first pipeline; 4, second pipeline; 5, self-regulating valve; 6, third pipeline; 7, float control valve; 8, float body; 9, electromagnetic valve; 10, float switch; 11, parallel safety valve; 12, float valve; 13, fourth pipeline; 14, safety valve body; 15, wireless remote gas inlet flowmeter; 16, wireless remote gas outlet flowmeter; 17, wireless remote liquid outlet flowmeter; 18, wireless remote liquid level meter; 19, wireless remote pressure gauge. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figure 1 The utility model provides a kind of technical solutions: an oil gas recovery device, including oil storage tank 1 and gas-liquid separation tower 2, the oil storage tank 1 is connected with crude oil well by first pipeline 3, the gas inlet of gas-liquid separation tower 2 is connected with crude oil well by second pipeline 4, the gas outlet of gas-liquid separation tower 2 is provided with self-regulating valve 5, the liquid outlet of gas-liquid separation tower 2 is connected with the oil storage tank 1 by third pipeline 6, gas-liquid separation tower 2 is connected with third pipeline 6 by float control valve 7, the float body 8 of float control valve 7 extends to the inside of gas-liquid separation tower 2, the float body 8 is below the gas inlet of gas-liquid separation tower 2, crude oil of crude oil well flows into the oil storage tank 1 by first pipeline 3, oil gas of crude oil well enters into gas-liquid separation tower 2 and separates, after separation, crude oil enters into the oil storage tank 1 by third pipeline 6, after separation, oil gas makes gas-liquid separation tower 2 pressure rise, self-regulating valve 5 opens and discharges from the gas outlet of gas-liquid separation tower 2 to carry out oil gas recovery, when the liquid level of crude oil in gas-liquid separation tower 2 rises rapidly, liquid level will trigger float body 8 to lift so that float control valve 7 opens, accelerates crude oil from float control valve 7 and third pipeline 6 to flow into the oil storage tank 1, after the liquid level of crude oil drops, float body 8 drops so that float control valve 7 is closed, guarantee the liquid level of crude oil in gas-liquid separation tower 2 is stable;

[0023] The second pipeline 4 is provided with an electromagnetic valve 9, the gas-liquid separation tower 2 is provided with a float ball switch 10, the float ball switch 10 is located above the gas inlet of the gas-liquid separation tower 2, the float ball switch 10 is electrically connected with the electromagnetic valve 9, the first pipeline 3 and the second pipeline 4 are connected with a parallel safety valve 11, when the float ball control valve 7 is damaged, the liquid level in the gas-liquid separation tower 2 continuously rises, the liquid level contacts the float ball switch 10, the float ball switch 10 controls the electromagnetic valve 9 to be closed, thereby stopping the oil gas in the second pipeline 4 from entering the gas-liquid separation tower 2, ensuring that the liquid level in the gas-liquid separation tower 2 slowly decreases, at this time, the parallel safety valve 11 plays a role of pressure relief, safely unloading the pipeline pressure, ensuring the normal operation of the pipeline and the crude oil well;

[0024] The gas outlet of the gas-liquid separation tower 2 is provided with a float ball valve 12, the top of the gas-liquid separation tower 2 is communicated with the oil storage tank 1 through a fourth pipeline 13, the upper end of the fourth pipeline 13 is provided with a safety valve body 14, when the float ball control valve 7 and the float ball switch 10 are both damaged, the liquid level in the gas-liquid separation tower 2 continuously rises to the gas outlet in the gas-liquid separation tower 2, at this time, the float ball valve 12 is triggered to be closed by the liquid level, the pressure in the gas-liquid separation tower 2 rises sharply, so that the safety valve body 14 is opened, and the crude oil flows into the oil storage tank 1 through the fourth pipeline 13 for recycling, completely ensuring that the crude oil will not enter the oil gas recovery pipeline;

[0025] The second pipeline 4 is provided with a wireless remote gas inlet flow meter 15, the gas outlet of the gas-liquid separation tower 2 is provided with a wireless remote gas outlet flow meter 16, the third pipeline 6 is provided with a wireless remote liquid outlet flow meter 17, the gas-liquid separation tower 2 is provided with a wireless remote liquid level meter 18 and a wireless remote pressure meter 19, since all the meters are designed by wireless remote transmission, according to the data changes, the equipment trend can be grasped at any time, these data are transmitted to the on-site PLC, through the PLC, the mobile phone is transmitted, at any time and anywhere, the abnormal PLC alarm can be checked, the mobile phone also receives the alarm signal in time, and the on-site person or the nearby person can check and handle in time.

[0026] Working principle: first, the crude oil of the crude oil well flows into the storage tank 1 through the first pipeline 3, the oil and gas of the crude oil well enters the gas-liquid separation tower 2 for separation, the separated crude oil enters the storage tank 1 through the third pipeline 6, and the separated oil and gas is pressurized in the gas-liquid separation tower 2. When the oil and gas separation tower 2 is opened, the oil gas recovery is discharged from the gas outlet of the gas-liquid separation tower 2, when the oil level in the gas-liquid separation tower 2 rises rapidly, the oil level will trigger the lifting of the floating ball body 8 to make the floating ball control valve 7 open, accelerate the flow of crude oil from the floating ball control valve 7 and the third pipeline 6 into the storage tank 1, and the floating ball body 8 is lowered to make the floating ball control valve 7 closed after the oil level is lowered, which ensures the stability of the oil level in the gas-liquid separation tower 2. Secondly, when the floating ball control valve 7 is damaged, the oil level in the gas-liquid separation tower 2 continues to rise, the liquid level contacts the floating ball switch 10, the floating ball switch 10 controls the electromagnetic valve 9 to close, and then the second pipeline 4 stops feeding oil and gas into the gas-liquid separation tower 2, which ensures the slow decline of the liquid level in the gas-liquid separation tower 2. At this time, the parallel safety valve 11 plays a role in pressure relief, safely unloading pipeline pressure, ensuring the normal operation of the pipeline and the crude oil well, then, when the floating ball control valve 7 and the floating ball switch 10 are damaged, the oil level in the gas-liquid separation tower 2 continues to rise to the gas outlet of the gas-liquid separation tower 2, at this time, the floating ball valve 12 is triggered to close by the liquid level, the pressure in the gas-liquid separation tower 2 rises rapidly, the safety valve body 14 is opened, the crude oil flows into the storage tank 1 through the fourth pipeline 13 for recovery, which completely ensures that the crude oil will not enter the oil and gas recovery pipeline, finally, since the meter is designed by wireless remote transmission, according to the data change, the equipment trend can be grasped at any time, these data are transmitted to the on-site PLC, and the PLC is transmitted to the mobile phone, which can be viewed at any time and any place. If there is an abnormal PLC alarm, the mobile phone will also receive the alarm signal in time, and the on-site person or the nearest person will check and handle in time.

[0027] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An oil and gas vapor recovery apparatus, characterized by: The application relates to a crude oil storage and separation device, which comprises a crude oil storage tank (1) and a gas-liquid separation tower (2), wherein the crude oil storage tank (1) is connected with a crude oil well through a first pipeline (3), the gas inlet of the gas-liquid separation tower (2) is connected with the crude oil well through a second pipeline (4), the gas outlet of the gas-liquid separation tower (2) is provided with a self-adjusting valve (5), the liquid outlet of the gas-liquid separation tower (2) is connected with the crude oil storage tank (1) through a third pipeline (6), the gas-liquid separation tower (2) is connected with the third pipeline (6) through a float ball control valve (7), the float ball body (8) of the float ball control valve (7) extends to the inside of the gas-liquid separation tower (2), and the float ball body (8) is located below the gas inlet of the gas-liquid separation tower (2).

2. An oil and gas recovery apparatus as defined in claim 1, wherein An electromagnetic valve (9) is arranged on the second pipeline (4), a float ball switch (10) is arranged in the gas-liquid separation tower (2), the float ball switch (10) is located above the gas inlet of the gas-liquid separation tower (2), the float ball switch (10) is electrically connected with the electromagnetic valve (9), and a parallel safety valve (11) is connected between the first pipeline (3) and the second pipeline (4).

3. An oil and gas recovery apparatus as defined in claim 1, wherein, A float ball valve (12) is arranged at the gas outlet of the gas-liquid separation tower (2), the top of the gas-liquid separation tower (2) is connected with the crude oil storage tank (1) through a fourth pipeline (13), and the upper end of the fourth pipeline (13) is provided with a safety valve body (14).

4. The oil and gas vapor recovery apparatus of claim 1, wherein, A wireless remote gas inlet flowmeter (15) is arranged on the second pipeline (4), a wireless remote gas outlet flowmeter (16) is arranged at the gas outlet of the gas-liquid separation tower (2), a wireless remote liquid outlet flowmeter (17) is arranged on the third pipeline (6), a wireless remote liquid level meter (18) and a wireless remote pressure meter (19) are arranged in the gas-liquid separation tower (2).

Images