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Pipe drift is a measure of the roundness or eccentricity of the inside wall of a pipe. "API drift" refers to primary specifications set forth in API Specification 5CT (ISO 11960), "Specification for Casing and Tubing". "Alternate drift" refers to alternate drift specifications listed in API 5CT. "Special drift" refers to industry drift ...
August 3 – A Kinder Morgan Tennessee Gas Pipeline 16-inch diameter pipe exploded; the blowout created a 70-foot by 30-ft crater 350 feet from a house and did $191,498 in property damage. Investigation found a longitudinal split in the pipe about 55 feet long along an ERW seam, but the failure was from stress corrosion cracking. The pipe was ...
They were originally developed to remove deposits which could obstruct or retard flow through a pipeline (Fig. 1). Today pigs are used during all phases in the life of a pipeline for many different reasons. Fig. 1 Cleaning pig in a pipeline Fig. 2 Classification of pipeline pigs. Pigs used today can be divided into three categories (Fig. 2):
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A 5 foot long section of pipe was ejected 72 feet away. There were no injuries. [26] Residents in Lawrenceville, Georgia reported to a local gas company a gas smell. This led to finding diesel fuel running into a storm drain from a leaking Products Pipe Line 26 inch line. It was unknown how long the pipeline had been leaking. [27]
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Surge control products have been used in many industries to protect the maximum working pressure of hydraulic system for decades. Typical applications for surge relief equipment is in pipelines at pump stations, receiving manifolds at storage facilities, back pressure control, marine loading/off loading, site specific applications where pressure surges are generated by the automation system ...