دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the guide with flange that made of high intensity steel.

n: see overgauge hole.

n: a special type of engine governor that prevents an engine from running too fast (over speeding) by shutting down the engine if it overspeeds. See governor.

n: see overspeed governor.

n: an engines running beyond than the maximum speed for which it was designed. Overspeeding an engine can severely damage it.

an area of earth shift common to mountainous regions in which strata are shoved upwards creating highly titled reservoirs.

n: a low-dip angle (nearly horizontal) reverse fault along which a large displacement has occurred. Some overthrusts, such as many of those in the Rocky Mountain Overthrust Belt, represent slippages of many miles.