دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a clearance pocket that can be adjusted to provide varying amounts of clearance space in a compressor cylinder.

n pI: the annual cost of operating and maintaining the system as well as fuel, gas loss, and unaccounted-for gas costs.

n: The halide hydrocarbon mixed liquor in the measuring cylinder,which be used to measure the volumic density of cuttings in wellsite.Its density increase along the depth of fluid column.

n: A kind of special pipe ram,which can seal the string of different size .

n: an elastomer seal energized by pressure. While it is circular in shape, the seal has a V -shaped cross section. See also a-ring.

the opening in the rig framework that allows pipe to be pulled upright from the catwalk.

n: a method of detecting gas leaks in a line by noting the presence or absence of dead grass or other plants near the line. Natural gas kills plant roots over time.

n: 1. speed. 2. the timed rate of linear motion.

usually the vertical velocity gradient, i.e., the rate of change of velocity of sound traveling through rock with depth. Normally, it refers to seismic velocity at seismic frequencies, i.e., smoothly varying (rather than rapidly varying, as with a sonic l