دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the property exhibited by a fluid that is in a liquid state when flowing and in a semisolid, gelled state when at rest. Most drilling fluids must be thixotropic so that cuttings will remain in suspension when circulation is stopped.

n: The characteristic of a fluid, such as a drilling mud, to form a gelled structure over time when not subject to shearing and then to liquefy when agitated. The viscosity of a thixotropic fluid changes with time under constant shear rate until reaching equ

n: a radioactive metallic element found combined in minerals.

Th232, one of the natural isotopes that as a trace element may incorporate into the matrix of naturally forming barium or strontium sulfate scale and make it a very low level radioactive material (NORM scale).

n: The hydraulic pressure experiment on pipeline of drill fluid,equipment and pipeline of cementing and preventer before cementing ,which is for the security of operation.

tubing head pressure.

n: a continuous helical rib, as on a screw or pIpe.

n: see dope.

n: A kind of plastic substance that be used to lubricate the thread of joint of drill collar,drill pipe and other drill tool.

n: see dope.

n: The appearance that thread of drill tool be sticked and cannt be breaded out .

a pattern template for identifying a specific thread type.

n: The appearance that thread of drill tool be sticked and cannt be breaded out .