دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

(pronounced tower") n: a working shift for drilling crew or other oilfield workers. Some tours are 8 hours;the three daily tours are called daylight, evening (or afternoon),and graveyard (or morning). Often, 12-hour tours are used, especially on offshore rigs;they are called simply day tour and night tour. tow cat n: a tractor used to tow equipment up steep grades.

n: A work shift of a drilling crew. Drilling operations usually occur around the clock because of the cost to rent a rig. As a result, there are usually two separate crews working twelve-hour tours to keep the operation going. Some companies prefer three eig

(often pronounced as tower) a shift worked by the crew.