دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a packer that is set by applying weight from the tubing string.

n: a tank ship capable of navigating shallow ports, usually 30,000- 70,000 dead weight tons (27,216-63,504 dead weight tonnes). It shuttles between anchored large vessels and port.

a % by weight distribution of the particle sizes in a sample.

a high purity sand of specific size (0.088mm to 0.210mm) used in cement slurries to add weight.

adj: said of packers with only one set of slips for supporting weight and pressure from above.

n: a heavy weight or bar placed on or near a lightweight wireline tool. The bar provides weight so that the tool will lower properly into the well.

n: a heavy weight or bar placed on or near a lightweight wireline tool. It provides weight so that the tool can be lowered into the well properly.

a weight stem on a wireline tool assembly.

v: to lower a load or ease up on a line. A driller will slack off on the brake to put additional weight on the bit.

the weight reading when the pipe is entering the well. Compared to the pick-up weight to estimate the friction.

n: a casing elevator containing segmented slips with gripping teeth inside. Slip elevators are recommended for long strings of casing, because the teeth grip the casing and help prevent casing damage from the weight of long, heavy strings hanging from the elevators. Slip elevators may also be used as slips.

n: The slip that can retain homogeneously the pipe.

n: The drill pipe weight be hanged by slip.