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Title: Periodic Inspections Of District Regulator & Relief Valves
Author: Jerry Bowins
Source: 1997 Gulf Coast Measurement Short Course (Now called ASGMT)
Year Published: 1997
Abstract: Inspections of District Regulator Stations and over pressure protection devices are essential in complying with Federal and State regulations. In order to understand the functions of a District Regulator Station a overview of the pipelines system is necessary Pipeline companies bring the gas from the well head and into a gathering system. A Gathering system is the system which a pipeline uses to transport gas from a current well site to a transmission line or main. From the gathering system, it goes to a station where the pipeline may do several functions which may include compression, dehydration, processing and regulation. At this point the pressure is lower or equal to the MAOP of the pipeline system. The gas leaves this station at the pipelines operating pressure. This gas goes through the pipeline to the City Gate Station, where the pipeline lowers their pressure below the maximum allowable operating pressure (MAOP) of the line inside the City Gate Station.

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