دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: bring out the casings from the abandoned well for reuse

n: refer tocore recovery

n: a fold of rock in which the axial plane of an overturned fold has become horizontal or nearly so.

n/v: Enlarge the small wellbore with enlarging bit .For example,in the upper well section drill a small wellbore with small bit firstly and then enlarge the bore to the required well diameter with oversized bit

n: in the distillation process, that part of the condensed overhead stream that is returned to the fractionating column as a source of cooling. v: in distillation extraction of fluids from a core, to use a solvent to flow over a core sample a second time to clean it.

n: a relative measurement of the volume of reflux in the distillation process. The ratio is commonly expressed as the quantity of reflux divided by the quantity of net overhead product.

n: Low an inside cutter or outer cutter with bite in or out of the stuck drilling tools ,and then rotate the pipe so that the cutter cuts the pipe in the expected location .The left pipe in the well can be processed by washover backoff connector tool