CN-121977874-A - Test system and method for pressurization and gas lift integrated machine

CN121977874ACN 121977874 ACN121977874 ACN 121977874ACN-121977874-A

Abstract

The invention discloses a test system and a test method of a pressurizing and gas lifting integrated machine, wherein the system comprises the pressurizing and gas lifting integrated machine and a comprehensive pressure regulating device, the pressurizing and gas lifting integrated machine is connected to a gas supply device through a process gas inlet of the pressurizing and gas lifting integrated machine, gas meeting test pressure is output through the gas supply device, the pressurizing and gas lifting integrated machine is provided with a gas collecting outlet which is connected to the inlet of the comprehensive pressure regulating device, a pressure monitoring point P2 is arranged on a pipeline behind the inlet of the comprehensive pressure regulating device, two branches are connected in parallel through the pipeline, a valve is connected to the first branch, a valve, a pressure regulating valve and a valve are sequentially connected in series to the second branch, the two branches are connected to a gas storage tank after being converged, a gas outlet of the gas storage tank is connected to the outlet of the comprehensive pressure regulating device through the valve and is connected to the gas supply device through the pipeline, and a pressure monitoring point P3 is arranged behind the outlet of the comprehensive pressure regulating device. The invention can find problems in factories and solve the problems by simulating various working states, and ensure that the equipment can be put into production smoothly after leaving factories.

Inventors

TAO PENGCHENG
PENG FEI
WANG MIN
LU YI
LI XUETING
MEI YANBO

Assignees

中石化石油机械股份有限公司
中石化石油机械股份有限公司三机分公司

Dates

Publication Date: 20260505
Application Date: 20260120

Claims (8)

1. The test system for the supercharged gas lift integrated machine is characterized by comprising the supercharged gas lift integrated machine and a comprehensive pressure regulating device, wherein the supercharged gas lift integrated machine is connected to a gas supply device through a process gas inlet of the supercharged gas lift integrated machine, gas meeting test pressure is output through the gas supply device, the supercharged gas lift integrated machine is provided with a gas collecting and conveying outlet which is connected to the inlet of the comprehensive pressure regulating device, a pressure monitoring point P2 is arranged on a pipeline behind the inlet of the comprehensive pressure regulating device, two branches are connected in parallel through the pipeline, a valve is connected to the first branch, a valve is connected to the second branch in sequence, the two branches are connected to a gas storage tank after being converged, a gas outlet of the gas storage tank is connected to the outlet of the comprehensive pressure regulating device through the valve, the gas outlet of the gas storage tank is connected to the gas supply device through the pipeline and returns to the process gas inlet of the supercharged gas lift integrated machine, and a pressure monitoring point P3 is arranged behind the outlet of the comprehensive pressure regulating device.
2. The system of claim 1, wherein the integrated booster and gas lift system is further provided with a gas lift outlet independent of the gas collection and delivery outlet, the outlet being connected to the inlet of the integrated pressure regulator via a valve.
3. The booster gas lift all-in-one machine test system of claim 2, wherein a pressure monitoring point P1 is provided between the gas lift gas outlet and the following valve.
4. The pressurized gas lift all-in-one machine test system of claim 1, wherein a valve is further provided on the gas tank for over-pressure protection for the gas tank safety vent.
5. The system of claim 1, wherein the air tank is further provided with another air and liquid outlet connected to the blow-down outlet of the integrated pressure regulating device via a valve for blow-down.
6. The method for testing the supercharging gas lifting integrated machine by using the supercharging gas lifting integrated machine testing system is characterized by comprising the following steps of: Step one, closing a valve after the gas lift gas outlet, closing a valve at a sewage outlet of the comprehensive pressure regulating device, and closing two valves on a second branch; step two, the gas supply device outputs gas meeting the test pressure, the pressurizing gas lifting integrated machine is adjusted to only output the gas outwards from the gas collecting and conveying outlet and convey the gas to the inlet of the comprehensive pressure regulating device, the pressure of the pressure monitoring point P2 is monitored, and the pressure of the pressure monitoring point P2 is ensured by regulating the pressure of the valve on the first branch, namely the pressure of the gas collecting and conveying outlet meets the test requirement; Step three, gas is discharged from an outlet of the comprehensive pressure regulating device through a gas storage tank, is communicated to a gas supply device, is regulated in pressure through the gas supply device and meets test pressure, and is conveyed to a process gas inlet of the pressurizing and gas lifting integrated machine again; Monitoring the pressure of a pressure monitoring point P3 in the circulation process, stopping air supply by the air supply device, closing a valve on a first branch, opening two valves on a second branch, regulating the pressure by a pressure regulating valve, and reducing the pressure of the air to the pressure of a process air inlet if the pressure of the pressure monitoring point P3 reaches the pressure of the process air inlet of the pressurizing and air lifting integrated machine; and fifthly, in the subsequent circulation process, monitoring the pressure of the pressure monitoring point P2 and the pressure of the pressure monitoring point P3, and restarting the air supply device to supplement air if the pressure is reduced.
7. The method of claim 6, wherein the step of testing the gas lift performance comprises the steps of: Step one, opening a valve behind a gas lift gas outlet, closing a valve at a sewage outlet of the comprehensive pressure regulating device, and closing two valves on a second branch; Step two, the gas supply device outputs gas meeting the test pressure, the pressurizing and gas lifting integrated machine is adjusted to output high-pressure gas and convey the gas to an inlet of the comprehensive pressure regulating device, the pressure of a pressure monitoring point P2 is monitored, and the pressure of the pressure monitoring point P2, namely the gas lifting gas outlet pressure, is ensured to meet the test requirement by regulating the pressure of a valve on a first branch; Step three, gas is discharged from an outlet of the comprehensive pressure regulating device through a gas storage tank, is communicated to a gas supply device, is regulated in pressure through the gas supply device and meets test pressure, and is conveyed to a process gas inlet of the pressurizing and gas lifting integrated machine again; Monitoring the pressure of a pressure monitoring point P3 in the circulation process, stopping air supply by the air supply device, closing a valve on a first branch, opening two valves on a second branch, regulating the pressure by a pressure regulating valve, and reducing the pressure of the air to the pressure of a process air inlet if the pressure of the pressure monitoring point P3 reaches the pressure of the process air inlet of the pressurizing and air lifting integrated machine; and fifthly, in the subsequent circulation process, monitoring the pressure of the pressure monitoring point P2 and the pressure of the pressure monitoring point P3, and restarting the air supply device to supplement air if the pressure is reduced.
8. The method for testing the supercharging gas lifting integrated machine according to claim 6, wherein when testing the performance of simultaneous operation of gathering and conveying and gas lifting, the method comprises the following steps: Step one, opening a valve behind a gas lift gas outlet, closing a valve at a sewage outlet of the comprehensive pressure regulating device, and closing two valves on a second branch; Step two, the gas supply device outputs gas meeting test pressure, the pressurizing gas lifting integrated machine is adjusted to output low-pressure gas collection and high-pressure gas simultaneously, the low-pressure gas collection and high-pressure gas lifting integrated machine is conveyed to an inlet of the comprehensive pressure regulating device together, the pressure of a pressure monitoring point P2 is monitored, the pressure of the pressure monitoring point P2 is ensured by adjusting the pressure of a valve on a first branch, namely the pressure of a gas collection outlet reaches test requirements, and after the pressure of the gas collection outlet reaches the requirements, the pressure of the valve at the gas lifting outlet is adjusted, namely the pressure of the pressure monitoring point P1 is ensured, namely the pressure of the gas lifting outlet reaches the test requirements; Step three, gas is discharged from an outlet of the comprehensive pressure regulating device through a gas storage tank, is communicated to a gas supply device, is regulated in pressure through the gas supply device and meets test pressure, and is conveyed to a process gas inlet of the pressurizing and gas lifting integrated machine again; Monitoring the pressure of a pressure monitoring point P3 in the circulation process, stopping air supply by the air supply device, closing a valve on a first branch, opening two valves on a second branch, regulating the pressure by a pressure regulating valve, and reducing the pressure of the air to the pressure of a process air inlet if the pressure of the pressure monitoring point P3 reaches the pressure of the process air inlet of the pressurizing and air lifting integrated machine; And fifthly, in the subsequent circulation process, monitoring the pressure of the pressure monitoring point P1, the pressure of the pressure monitoring point P2 and the pressure of the pressure monitoring point P3, and re-opening the air supply device for air supply if the pressure drops.

Description

Test system and method for pressurization and gas lift integrated machine Technical Field The invention relates to the technical field of load tests of a pressurizing and gas lifting integrated machine. More particularly, the invention relates to a test system and a test method for a pressurized gas lift integrated machine. Background The pressurizing and gas lifting integrated machine is a multifunctional compressor, can be used for pressurizing, collecting and conveying and high-pressure gas lifting respectively, and can also output high-pressure gas and low-pressure gas simultaneously, so that gas lifting is realized while collecting and conveying. In order to ensure that products can be put into production smoothly after leaving factories, the whole machine load test is considered to be carried out in the factories, the performance of the products is tested, and potential quality problems are found. No relevant test system or method has been found. Disclosure of Invention The invention aims to provide a test system and a test method for a pressurized gas lift integrated machine, which are a load simulation test system and a load simulation test method for the pressurized gas lift integrated machine in a factory. In order to solve the technical problems, the invention provides a test system of a pressurizing and gas lifting integrated machine, which is characterized by comprising the pressurizing and gas lifting integrated machine and a comprehensive pressure regulating device, wherein the pressurizing and gas lifting integrated machine is connected to a gas supply device through a process gas inlet of the pressurizing and gas lifting integrated machine, gas meeting test pressure is output through the gas supply device, the pressurizing and gas lifting integrated machine is provided with a gas collecting and conveying outlet which is connected to the inlet of the comprehensive pressure regulating device, a pressure monitoring point P2 is arranged on a pipeline behind the inlet of the comprehensive pressure regulating device, two branches are connected in parallel through the pipeline, a valve is connected to a first branch, a valve, a pressure regulating valve and a valve are sequentially connected in series to a second branch, the two branches are converged and then connected to a gas storage tank, a gas outlet of the gas storage tank is connected to the outlet of the comprehensive pressure regulating device through the pipeline and then returns to the process gas inlet of the pressurizing and gas lifting integrated machine, and the comprehensive pressure regulating device is provided with a pressure monitoring point P3 behind the outlet. Preferably, the pressurizing and gas-lifting integrated machine is further provided with a gas-lifting gas outlet independent of the gas collecting and conveying outlet, and the outlet of the pressurizing and gas-lifting integrated machine is connected to the inlet of the comprehensive pressure regulating device through a valve. Preferably, a pressure monitoring point P1 is arranged between the gas lift gas outlet and the valve behind the gas lift gas outlet. Preferably, a valve is further arranged on the air storage tank, and the valve is a safety air discharge valve of the air storage tank for overpressure protection. Preferably, the air storage tank is further provided with another air outlet and another liquid outlet, and the air outlet and the liquid outlet are connected to the sewage outlet of the comprehensive pressure regulating device through a valve for sewage. The invention also provides a method for testing the supercharging gas lifting integrated machine by using the supercharging gas lifting integrated machine testing system, which comprises the following steps: Step one, closing a valve after the gas lift gas outlet, closing a valve at a sewage outlet of the comprehensive pressure regulating device, and closing two valves on a second branch; step two, the gas supply device outputs gas meeting the test pressure, the pressurizing gas lifting integrated machine is adjusted to only output the gas outwards from the gas collecting and conveying outlet and convey the gas to the inlet of the comprehensive pressure regulating device, the pressure of the pressure monitoring point P2 is monitored, and the pressure of the pressure monitoring point P2 is ensured by regulating the pressure of the valve on the first branch, namely the pressure of the gas collecting and conveying outlet meets the test requirement; Step three, gas is discharged from an outlet of the comprehensive pressure regulating device through a gas storage tank, is communicated to a gas supply device, is regulated in pressure through the gas supply device and meets test pressure, and is conveyed to a process gas inlet of the pressurizing and gas lifting integrated machine again; Monitoring the pressure of a pressure monitoring point P3 in the circulation process, stopping air supply by the air suppl