دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a cumulus cloud that lies horizontally and shows little vertical development, indicating good weather conditions.

n: trade name of a device used to record and measure at different speeds the flow properties of plastic fluids (such as the viscosity and gel strength of drilling fluids).

n: direct indicating made by Fann corporation and usually used in interior to measure all kinds of rheological parameter of drilling fluid

n: the survey instrument of rheological parameter ,made by Fann corporation and able to measure the rheological property of all kinds of drilling fluid under condition of 260 Celsius degrees,and 689.47kPa

a common viscometer for oil-field fluids.

fF = (db/2V2) (P/L). Where  = density (ppg),V = avg. fluid velocity (ft/sec),P is pressure loss over length L (ft).

an older term indicating the mineral owners royalty-based “share” of the oil. This was from a time when natural gas had no value.

n: The end of the drilling line which is fixed to the drawworks drum or reel. It is so called because it apparently travels with greater velocity than any other portion of the drilling line.

v: a kind of link tool with valve ,able to be buckled on the joint top of drilling pipe and lock tight and seal automaticly