Nowadays, in the modern system of oil and gas field exploration and development, the efficient development of low permeability oil and gas fields has always been the focus of the industry, and the air foam oil displacement technology, as the core technology to improve the recovery rate of low permeability oil and gas reservoirs, plays a key role. This technologyNot only can it accurately regulate the performance of the injected medium and effectively improve the reservoir flow conditions,moreThe efficient exploitation of oil and gas resources provides strong support. However, homeworkDuring the process, there areThe accumulation of flammable and explosive gases, as well as the leakage of harmful gases, pose potential threats to work safety.
It is understood that when air foam flooding technology is applied in oil and gas field operations, gas dynamic monitoring in oil wells is always a difficult problem that cannot be ignored. The concentration changes of methane, oxygen, carbon dioxide, and nitrogen are interrelated and affect each other: abnormal methane concentration can easily cause safety risks; The oxygen content directly affects the safety of the working environment and combustion efficiency; The change of carbon dioxide concentration will interfere with the stability and displacement effect of foam; The imbalance of nitrogen ratio weakens the oil displacement efficiency. The concentration of these gases in oil wells not only dynamically changes with the production process, but may also experience sudden increases and decreases due to gas channeling, posing a potential threat to production safety and process optimization. Therefore, real-time, accurate, and synchronized monitoring of these four gases is not only a technical requirement, but also an inherent need to ensure mining safety, optimize oil displacement processes, and improve development efficiency.

The customer is committed to the research and application of anti gas channeling technology for air foam flooding oil wells, and urgently needs a set of reliable gas detection equipment to provide high-precision data support for its technical optimization. Especially accurate monitoring of methane, carbon dioxide, nitrogen, and oxygen is a key basis for verifying the effectiveness of gas channeling prevention and optimizing injection parameters. Among them, the monitoring of nitrogen conversion values highlights the professional requirements for analyzing complex gas environments.
Faced with this severe gas monitoring demand, Yiyuntian has launched a professional solution integrating "real-time monitoring+deep analysis" with its profound technical accumulation - PTM600-4 four in one gas detector. This device is highly expected to become a key tool for accurately capturing the gas dynamics of oil wells and assisting in breakthroughs in gas breakthrough prevention technology.
1. Background of the case:
The national engineering laboratory for exploration and development of low-permeability oil and gas fields needs a four in one detector for preventing gas channeling in oil wells with air foam flooding, which needs to detect gases: methane, oxygen, carbon dioxide and nitrogen.
2. Parameter requirements:
Gas type and range requirements for detection:
Methane CH4:0-100% vol, resolution 0.01% vol;
Carbon dioxide CO2:0-100% vol, resolution 0.01% vol;
Oxygen O2: 0-25% vol, resolution 0.01% vol;
Nitrogen N2: 0-100% vol, resolution 0.01% vol;
Large capacity battery: 15000mAh
3. Solution:
PTM600-4 (CH4+O2+CO2+N2) is recommended, with the following specific parameters:
Methane CH4:0-100% vol, resolution 0.01% vol, using imported laser TDLAS sensing
Equipment;
Carbon dioxide CO2:0-100% vol, resolution 0.01% vol, using imported high-precision infrared transmission
Sensor;
Oxygen O2: 0-25% vol, resolution 0.01% vol, using imported industrial grade electrochemical sensors;
Nitrogen N2: 0-100% vol, resolution 0.01% vol (converted value);
The standard configuration of this device is a 10800mAh battery. According to the special requirements of the demander, the supplier has added a battery capacity inside the detector, totaling 15000mAh.
Matching products:
With the comprehensive investment and stable operation of the Yiyuntian four in one gas detector scheme in the National Engineering Laboratory for Low permeability Oil and Gas Field Exploration and Development, a dual breakthrough has been achieved in gas monitoring accuracy and scientific research efficiency. With its multi gas synchronous monitoring capability, 0.01% vol high-precision performance and the long-term endurance performance of 15000 mAh large capacity battery, this detection equipment has become a data leader in the research of oil well gas channeling prevention, and has built a solid scientific and technological support for the optimization and upgrading of air foam oil displacement technology.
After the implementation of this detection plan, the laboratory can use a four in one gas detector to monitor the concentration of methane, oxygen and other gases in the oil well in real time, providing key data support for optimizing the anti gas breakthrough process. Through in-depth analysis of monitoring data, it is possible to accurately grasp the gas breakthrough law, effectively optimize injection parameters to improve oil displacement efficiency, promote technological progress in low-permeability oil and gas reservoir development, and provide scientific research support for efficient utilization of oil and gas.
In this cooperation, Yiyuntian has relied on "technology+demand" to deepen its understandingThe customized services of degree integration demonstrate strong competitiveness. It actively cooperates with equipment construction and post data support throughout the entire online process, successfully achieving the role transition from equipment supplier to research partner.
In the future, facing the urgent needs of the oil and gas industry for efficient development and safety and environmental protection, Yiyuntian will use this project as a model to deepen technological integration and innovation, develop a new generation of gas monitoring systems with multi scenario adaptation capabilities and automatic data analysis functions, and provide an integrated solution of "monitoring analysis decision-making" for the industry. At the same time, actively expanding the application of new energy, assisting in the efficient and safe development of oil and gas resources, and promoting the green and sustainable development of the energy industry.












