Pressure relief type crude oil liquid production capacity detection device
By designing a pressure-relief crude oil production detection device and utilizing a gas-liquid separation and flow detection structure, the problem of associated gas affecting the stability of the detection device was solved, and accurate measurement of the crude oil liquid phase flow rate and safe operation of the device were achieved.
Patent Information
- Application Number
- CN202422966102.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-12-03
AI Technical Summary
The existing technology makes it difficult to achieve safe and stable passage of associated gas in equipment for detecting crude oil production, resulting in unstable operation and poor safety of the detection device.
A pressure-relief crude oil production detection device was designed. It includes a gas-liquid separation cylinder, a liquid-blocking ball assembly, an exhaust pressure relief valve, and a valve structure to achieve the separation and independent control of crude oil and associated gas. The liquid phase flow rate is detected by a float liquid measuring assembly, and the data is analyzed and displayed using a digital instrument.
It achieves accurate detection of the flow rate of crude oil liquid phase, ensures the operational stability and safety of the device, allows the safe discharge or retention of associated gas, and ensures the reliability of the detection process.
Smart Images

Figure CN223389231U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of petroleum equipment, in particular to a pressure-releasing crude oil production detection device. Background Art
[0002] According to the different working conditions of oil wells and the differences in detection requirements, the equipment that only detects crude oil production is optimized. Therefore, a detection device that can meet the requirements of crude oil production detection and allow the associated gas in the crude oil pipeline to pass safely and stably is needed. Summary of the Invention
[0003] In order to solve the above technical problems and achieve the above technical features, the present invention adopts the following technical solutions:
[0004] A pressure-relief type crude oil production detection device comprises a liquid inlet, a gas-liquid separation cylinder, a valve, an air pipe, a gas-liquid mixing cylinder, a liquid outlet, a digital display instrument, a liquid-blocking ball assembly, an exhaust pressure relief valve, a liquid inlet pipe, a float liquid measuring assembly, and a liquid outlet pipe; the liquid inlet is the entrance for crude oil to enter the pressure-relief type crude oil production detection device; the gas-liquid separation cylinder is connected to the liquid inlet, and the gas-liquid separation cylinder is used to separate the associated gas and liquid phase substances contained in the crude oil; the liquid inlet pipe is connected to the gas-liquid separation cylinder; the liquid inlet pipe is connected to the float liquid measuring assembly; the float liquid measuring assembly is used to detect the liquid production of the liquid phase substances in the crude oil; the liquid outlet pipe is connected to the gas-liquid mixing cylinder; the top of the gas-liquid mixing cylinder is connected to the air pipe, and one side of the gas-liquid mixing cylinder is connected to the liquid outlet; the liquid outlet is the outlet for crude oil to discharge from the pressure-relief type crude oil production detection device.
[0005] Furthermore, a liquid-blocking ball assembly is provided on the top of the gas-liquid separation cylinder, and the liquid-blocking ball assembly is used to block the liquid phase of crude oil from entering the air pipe.
[0006] Furthermore, an exhaust pressure relief valve is provided at the outer top of the gas-liquid separation cylinder, and the exhaust pressure relief valve is used to prevent the pressure in the pipe from being damaged due to excessive gas volume.
[0007] Furthermore, the valve is provided in the gas pipeline to control whether the crude oil associated gas flows into the gas-liquid mixing cylinder.
[0008] Preferably, the digital display instrument has a built-in liquid crystal display.
[0009] Preferably, the digital display instrument is provided with an integrated circuit, which has the functions of data storage, data analysis and data transmission.
[0010] The beneficial effects of the utility model are as follows: after a pressure-relief type crude oil production detection device is connected to a crude oil transmission pipeline, the device is set to an operating state, the crude oil flows into the gas-liquid separation cylinder through the liquid inlet, and after the crude oil enters the gas-liquid separation cylinder, the associated gas flows upward through the liquid-blocking ball assembly and the exhaust pressure relief valve. If there is no need to retain the associated gas in the crude oil, the valve is adjusted to a closed-circuit state, and the associated gas in the crude oil is discharged through the exhaust pressure relief valve. If it is necessary to retain the associated gas in the crude oil, the valve is adjusted to a passage state, and the associated gas in the crude oil flows through the valve passage through the air pipe and then enters the gas-liquid mixing cylinder and is discharged through the liquid outlet. The liquid phase in the crude oil flows through the gas-liquid separation cylinder through the liquid inlet pipe and enters the float detection Liquid component, through the float liquid measuring component, the flow data of the crude oil liquid phase material can be collected. The flow data of the crude oil liquid phase material is analyzed and calculated by the integrated circuit provided in the digital display instrument to obtain the instantaneous flow and cumulative flow of the crude oil liquid phase material, and the instantaneous flow and cumulative flow data are stored. The user can directly read the instantaneous flow and cumulative flow of the crude oil liquid phase material through the built-in LCD screen of the digital display instrument or transmit the data to the user-customized terminal through the integrated circuit provided in the digital display instrument to read the instantaneous flow and cumulative flow of the crude oil liquid phase material. After the crude oil liquid phase material flow data is measured, the crude oil liquid phase material enters the gas-liquid mixing cylinder through the liquid outlet pipe and is discharged through the liquid outlet. A pressure-relief type crude oil production detection device can realize the separation of liquid phase material and associated gas in crude oil through the above-mentioned operation, achieve single-item detection of crude oil liquid phase material, and ensure the normal air pressure of associated gas in crude oil in the pipeline during the detection process, so that the device has the characteristics of stable operation, safety and reliability. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 The present invention is a schematic diagram of the main structure of a pressure-relief type crude oil production detection device.
[0012] Figure 2 The present invention is a schematic diagram of the cross-sectional structure of a pressure-relief type crude oil production detection device.
[0013] In the figure: 101-liquid inlet, 102-gas-liquid separation cylinder, 103-valve, 104-air pipe, 105-gas-liquid mixing cylinder, 106-liquid outlet, 107-digital display instrument, 201-liquid resistance ball assembly, 202-exhaust pressure relief valve, 203-liquid inlet pipe, 204-float liquid measuring assembly, 205-liquid outlet pipe. DETAILED DESCRIPTION
[0014] The present invention provides a pressure relief type crude oil production detection device, such as Figure 1 、 Figure 2As shown, a pressure-relief type crude oil production detection device includes a liquid inlet 101, a gas-liquid separation cylinder 102, a valve 103, an air pipe 104, a gas-liquid mixing cylinder 105, a liquid outlet 106, a digital display instrument 107, a liquid-blocking ball assembly 201, an exhaust pressure relief valve 202, a liquid inlet pipe 203, a float liquid measuring assembly 204, and a liquid outlet pipe 205; the liquid inlet 101 is the entrance for crude oil to enter a pressure-relief type crude oil production detection device; the gas-liquid separation cylinder 102 is connected to the liquid inlet 101, and the gas-liquid separation cylinder 102 is used to separate the associated gas contained in the crude oil from the liquid phase; the liquid inlet pipe 203 is connected to the gas-liquid separation cylinder 102; the liquid inlet pipe 203 is connected to the float liquid measuring assembly 204; the float liquid measuring assembly 204 is used to detect the liquid production of the liquid phase of the crude oil; the liquid outlet pipe 205 is connected to the gas-liquid mixing cylinder 10 5 connection; the top of the gas-liquid mixing cylinder 105 is connected to the air pipe 104, and one side of the gas-liquid mixing cylinder 105 is connected to the liquid outlet 106; the liquid outlet 106 is the outlet for crude oil to discharge a pressure-relief type crude oil production detection device; the top of the gas-liquid separation cylinder 102 is provided with a liquid-blocking ball assembly 201, and the liquid-blocking ball assembly 201 is used to prevent the liquid phase of crude oil from entering the air pipe 104; the top of the gas-liquid separation cylinder 102 is provided with an exhaust pressure relief valve 202, and the exhaust pressure relief valve 202 is used to prevent the components from being damaged by excessive gas volume due to pressure buildup in the pipe; the valve 103 is provided in the air pipe 104 pipeline, and is used to control whether the crude oil associated gas flows into the gas-liquid mixing cylinder 105; the digital display instrument 107 has a built-in LCD display; the digital display instrument 107 is provided with an integrated circuit, and the integrated circuit has the functions of data storage, data analysis, and data transmission.
[0015] The embodiment of the present utility model is a pressure-relief type crude oil production detection device. After the crude oil transmission pipeline is connected, the device is set to the operating state. The crude oil flows into the gas-liquid separation cylinder 102 through the liquid inlet 101. After the crude oil enters the gas-liquid separation cylinder 102, the associated gas flows upward through the liquid-blocking ball assembly 201 and the exhaust pressure relief valve 202. If there is no need to retain the associated gas in the crude oil, the valve 103 is adjusted to the closed circuit state, and the associated gas in the crude oil is discharged through the exhaust pressure relief valve 202. If it is necessary to retain the associated gas in the crude oil, the valve 103 is adjusted to the passage state, and the associated gas in the crude oil flows through the valve 103 passage through the air pipe 104 and then enters the gas-liquid mixing cylinder 105 and is discharged through the liquid outlet 106. The liquid phase substance in the crude oil flows through the gas-liquid separation cylinder 102 through the liquid inlet pipe 203 enters the float liquid measuring assembly 204, through which the flow data of the crude oil liquid phase material can be collected. The flow data of the crude oil liquid phase material is analyzed and calculated by the integrated circuit provided in the digital display instrument 107 to obtain the instantaneous flow rate and the cumulative flow rate of the crude oil liquid phase material, and the instantaneous flow rate and the cumulative flow rate data are stored. The user can directly read the instantaneous flow rate and the cumulative flow rate of the crude oil liquid phase material through the liquid display screen built into the digital display instrument 107, or transmit the data to the user-customized terminal through the integrated circuit provided in the digital display instrument 107 to read the instantaneous flow rate and the cumulative flow rate of the crude oil liquid phase material. After the crude oil liquid phase material flow data is measured, the crude oil liquid phase material enters the gas-liquid mixing cylinder 105 through the liquid outlet pipe 205 and is discharged through the liquid outlet 106.
[0016] The above is a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles described in the utility model. These improvements and modifications should also be regarded as the scope of protection of the present invention.
Claims
1. A pressure-relief type crude oil production detection device, characterized in that: The device comprises a liquid inlet, a gas-liquid separation cylinder, a valve, an air pipe, a gas-liquid mixing cylinder, a liquid outlet, a digital display instrument, a liquid-blocking ball assembly, an exhaust pressure relief valve, a liquid inlet pipe, a float liquid measuring assembly, and a liquid outlet pipe; the liquid inlet is the entrance for crude oil to enter a pressure-relief type crude oil production detection device; the gas-liquid separation cylinder is connected to the liquid inlet and is used to separate the associated gas contained in the crude oil from the liquid phase; The liquid inlet pipe is connected to the gas-liquid separation cylinder; the liquid inlet pipe is connected to the float liquid measuring assembly; the float liquid measuring assembly is used to detect the liquid production of the liquid phase of the crude oil; the liquid outlet pipe is connected to the gas-liquid mixing cylinder; the top of the gas-liquid mixing cylinder is connected to the air pipe, and one side of the gas-liquid mixing cylinder is connected to the liquid outlet; the liquid outlet is the outlet for the crude oil to discharge a pressure-relief type crude oil production detection device.
2. The pressure-relief type crude oil production detection device according to claim 1, characterized in that: A liquid-blocking ball assembly is provided on the top of the gas-liquid separation cylinder, and the liquid-blocking ball assembly is used to block the liquid phase of crude oil from entering the air pipe.
3. The pressure-relief type crude oil production detection device according to claim 1, characterized in that: An exhaust pressure relief valve is provided at the outer top end of the gas-liquid separation cylinder, and the exhaust pressure relief valve is used to prevent the pressure in the pipe from being too high and damaging the components.
4. The pressure-relief type crude oil production detection device according to claim 1, characterized in that: The valve is arranged on the gas pipeline and is used to control whether the crude oil associated gas flows into the gas-liquid mixing cylinder.
5. The pressure-relief type crude oil production detection device according to claim 1, characterized in that: The digital display instrument has a built-in liquid crystal display screen.
6. The pressure-relief type crude oil production detection device according to claim 1, characterized in that: The digital display instrument is provided with an integrated circuit, which has the functions of data storage, data analysis and data transmission.