دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: either of two arbitrary scales-one for liquids lighter than water and the other for liquids heavier than water-that indicates specific gravity in degrees. bbl abbr: barrel. bbV acre-ft abbr: barrels per acre-foot. bbVd abbr: barrels per day. Bcf abbr: billion cubic feet. Bcf/d abbr: billion cubic feet per day. b/d abbr: barrels per day;often used in drilling reports. BID abbr: barrels per day. BOC abbr: bottom dead centre

base operations camp.

n: (BOC) the positioning of the piston at the lowest point possible in the cylinder of an engine;often marked on the engine flywheel.

n: drum the boc coupling with hammer to loosen the threads during pulling the casing or oil pipe

n: the length of movement, in inches (millimetres),of the piston of an engine from top dead centre (TDC) to bottom dead centre (BOC).

v: to supercharge an engine by use of a turbocharger.

n: a centrifugal blower driven by exhaust gas turbines and used to supercharge an engine.