دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

a device based on strain gauge technology that helps measure the surface weight of coiled tubing.

n: the weight of cement hydrostatic column pressure puts force to the bottom of hole when it does not concrete. During the process of concretion, the cement change into solide step by step, beause of borehole wall and casing wall s bearing and adherence, ce

n: heavily weighted muds whose high solids content (a result of the large amounts of barite added) necessitates the reduction of clay solids.

n: all solids that not belong to inertial heavy weight additive in drilling fluid, its density less than the additive.

n: no weightening mud that most of sand and mud is removed by solids controlled sytem.

n: a workover rig. usually lightweight, that is specially built to run a string of 3/4-inch or 1-inch (1.9- or 2.54- centimetre) tubing. See macaroni string.

n: a special light weight type workover rig.

n: Fe3O4, a kinds of natureal tri-iron tetroxide , it is drilling heave weight additive.

n: a trademarked name for a rig weight indicator. See also weight indicator.

the weight on bit that decided by structure of bit.

n: under the regulation of drilling wire, permitted maximum volume weight on hook when normal drilling or making a trip.