دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the adhesion of a liquid to the surface of a solid.

n: see surfactant.

the fluid that coats a mineral surface;usually either oil wet or water wet.

n: the liquid in a two-liquid system that is attracted to the sides of the pore. See nonwetting phase.

wireline formation tester or wireline formation testing.

abbr: white;used in drilling reports.

n: A kind of high level drawing paper,its 50 number paper is the standard filter paper regulated by API.

n: a ditching machine for pipeline construction that has a large, rapidly rotating set of toothed scoops that lift dirt out of the ditch and feed it onto a conveyor mounted on the side of the machine. The wheel ditcher is used almost exclusively for ditching operations in stable soil.

n: a wheelshaped wrench that is attached to the sucker rod string at the surface and is manually turned to unscrew the string to allow it to be pulled from the well. Also called a back- off wheel or a circle wrench.