دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

abbr: American Bureau of Shipping.

American Bureau of Shipping.

Acrylonitrile-Butadiene-Styrene.

n: US organisation that sets standards and specifications for ships and ship equipment manufactured in the United States. The organisation also makes inspections during offshore rig construction and conducts periodic surveys to ensure that requirements for classification are maintained. Its official publications are Records of the American Bureau of Shipping and ABS Activity Report. Address: 2 World Trade Centre;106th floor;New York, NY 10048;(212) 839- 5000.

n: in sampling petroleum and petroleum products, a small sample, usually 1.5 millilitres (0.05 ounce),obtained by the probe and sampler in an automatic sampling system. Several grabs constitute a sample. graben n: a block of the earths crust that has slid downward between two faults. Compare horst.

n: device for extracting the sample grabs from the pipeline or from the sample loop.

n: the volume of liquid extracted from the pipe by a single actuation of the sample extractor. The sum of all grabs results in a sample.

v: to pull off during a trip into or out of the hole because of pressure differential. For example, if a packer is run in too quickly, the pressure differential across the packer swabs off the packing elements, making it necessary to trip back out to replace them.