دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a transmission system for natural gas or other gaseous material. The total system comprises pipes and compressors needed to maintain the flowing pressure of the system.

n: a natural gas pipeline company that is engaged in the transportation, by pipeline, of natural gas across state boundaries. The pipeline is subject to FERC jurisdiction under the Natural Gas Act and under the Natural Gas Policy Act.

n: a natural gas pipeline company that is engaged in the transportation, by pipeline, of natural gas not subject to FERC jurisdiction under the Natural Gas Act and under the Natural Gas Policy Act.

n: 1. a scraping tool that is forced through a pipeline or flow line to clean out accumulations of wax, scale, and debris from the walls of the pipe. It travels with the flow of product in the line. cleaning the pipe walls by means of blades or brushes affixed to it. Also called a line scraper or a go-devil. 2. a batching cylinder with neoprene or plastic cups on either end and used to separate different products travelling in the same pipeline. 3. a neoprene displacement spheroid, automatically launched and received. used to displace liquid hydrocarbons from natural gas pipelines. 4. in hydro- static testing of a pipeline. a scraper used inside the line to push air out ahead of the test water and to push water out after the test. v: to force a device called a pig through a pipeline or a flow line for the purpose of cleaning the interior walls of the pipe. separating different products. or displacing fluids.

a flow line clearing device, pumped through the line with normal flow.

n: 1. a neoprene ball that is run in a pipeline to clean it, to displace liquid hydrocarbons from natural gas pipelines, or to separate batches in liquid shipment. 2. a ball made of neoprene or other material that is put into a pipe prover to activate switches on the prover so that a known volume of petroleum or product is measured.