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Pressure Transmitter Applied in Oil and Gas Stations

Pressure Transmitter Applied in Oil and Gas Stations

17 February 2020


Volatilization of oil and gas is one of the potential unsafe factors of many gas stations. In the process of unloading and refueling, in addition to the evaporation loss of oil and gas, the toxicity of oil and gas harms personal safety and causes air pollution which is also the most concerned issue today.

Oil and Gas Safety Online Monitoring System

Function Introduction

The online monitoring system is a combination of a series of equipment for on-line monitoring of oil and gas recovery operating parameters based on the oil and gas recovery system. The system functions mainly include fault monitoring, data transmission, over-standard alarm and forced shutdown etc. According to the requirements of DB11 208, the online monitoring system needs to be able to monitor the gas-liquid ratio in the process of refueling oil and gas recovery, the airtightness of the oil and gas recovery system and the liquid resistance of the pipeline, and record, store, process and transmit the monitoring data.

The key to oil and gas recovery is to maintain an appropriate gas-liquid ratio. The gas-liquid ratio is mainly adjusted by the opening degree of mechanical or electronic gas-liquid proportional control valve. During the operation of the gas station, due to the frequent opening of the vacuum pump, the airflow has a certain impact on the regulating valve, and the gas-liquid ratio is more sensitive to the opening of the valve which results drift phenomenon. Therefore, it is necessary to monitor the real time gas-liquid ratio through the online monitoring system. In addition to the gas-liquid ratio, airtightness and pipeline liquid resistance are also important parameters of the oil and gas recovery system and require real-time monitoring.

Systematic Structure

The main components of the online monitoring system:

1. Field instruments (including pressure sensors, gas flow meters, concentration detectors, etc.) installed on each pipeline of the gas station;
2. Data collector (for collecting fueling pulses, oil and gas flow pulses, pressure signals, concentration signals, etc.);
3. The monitoring machine inside the gas station (on-line detection software for monitoring machine operation).

 microsensor y19m12d18 600

Pressure Transmitter for Oil and Gas Recovery Systems

The key to gas station oil and gas recovery system is the closed recovery of oil and gas. Pipeline pressure is a key monitoring content. Through the trend of system pressure and pressure changes, it is judged whether the current oil and gas recovery system is leaking, whether the pressure vacuum valve is blocked, or whether the post-processing equipment work normally. The application of the pressure transmitter on the oil and gas recovery system is shown in the figure:

Product Features

  • MDM3051S Intelligent Pressure Transmitter
  • Range: -3.5~3.5kPa;
  • 4-20mADC with HART protocol;
  • Intrinsically safe explosion-proof, accuracy 0.075%;
  • Stable and reliable, long-term drift performance is optimal 0.1% / year;
  • Adjustable turndown ratio of range 100:1.

Contact Us

The application of intelligent pressure transmitters in oil and gas recovery systems requires specific reference to the actual situation. Our technical team will provide you with the best product solutions based on the site environment. Feel free to contact us via or leave us messages.

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