دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

v: see heat a connection. warm front n: a front that is formed when warm air replaces cold air as the cold air retreats.

n: the clause in an oil and gas lease that assures title to the leased property by an express covenant to the effect.

n: a deed in which the grantor stipulates by express covenant that the title to property is as it is represented to be and that the grantees possession shall be undisturbed. Defects in title may include those that may have existed before the grantor obtained the title as well as any that have arisen during his or her ownership.

n: a wire-rope strand design that consists of a single, central wire surrounded by two outer layers of several wires. The wires in the inner layer are the same diameter as the inner wire. The wires in the outer layer are of two diameters, one smaller wire laying adjacent to one larger wire. A typical Warrington strand ahs 19 wires: 1 central wire, 6 inner wires, and 12 outer wires, 6 of which are smaller in diameter than the other 6.

n: It twisted by six strands and every strands contain 31 wire rope,usually be used as hoist cable of tong.

n: a thin fluid that separates drilling mud from cement when cement is pumped downhole. A wash also removes mud from the walls of the hole by both turbulent and surfactant action.

n: Tripping in drilling string when circulating the drilling fluid.

n: A kind of fishing tool with bit,which can drill out the barrier in the bottomhole.