دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

v: to supervise another too closely

n: a ratchet device on a crane that prevents the boom of the crane from being lowered but still permits it to be raised. Also called a boom ratchet.

n: see boom dog.

n: See bull-dog slip socket.

n: bending of pipe that may occur because of hole deviation. Pipe may bend because of the angle of the hole or because of an abrupt deviation such as a dogleg.

n: The tubbing fishing tool which has tooth board of internal slip.

n: See trip spear.

n: See casing spear.

n: see guide shoe. casing slip n: see spider.

n: A short section of steel filled with concrete and rounded at the bottom. This is installed on the bottom of the casing string to guide the casing past any ledges or irregularities in the borehole. Sometimes called a guide shoe.

a tapered guid shoe on the bottom of a casing string to assist in passing ledges and dog-legs in the wellbore.

n: a small building, or doghouse, in which members of a drilling rig or roustabout crew change clothes, store personal belongings, and so on.

n: The small room for rig personnel changing clothes in well site.