Natural Gas Sampling Probe
Sampling is the key element in natural gas chromatography. Sampling probe extracts sample from gas pipeline. It removes the liquid from natural gas, if any inside the pipeline while at pipeline pressure and live temperature conditions. This sampling probe is retract able for replacement of membrane filter installed at its bottom tip. You can find three natural gas sample probes installed on metering line for collection of gas samples which are fed into gas chromatographs. This type of natural gas sample probe is online retractable without requiring shutdown or depressurization of the natural gas flow line. It requires due diligence and expertise to extract the natural gas sample probe online during live conditions.
This article presents personal experience related to natural gas sample probe, its installation, maintenance, maintenance frequency, and repair kit required for its maintenance.
Make/model of the sample probe that has been extracted from natural gas metering flow line is GPRiL GPiL (please refer to the pictures).
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