نمایش نتیجه 1561 تا 1570 از 14709 نتیجه یافت شده برای P:
a quick opening, low pressure valve, common on large openings through which solids will move, that allows high flow rate when open.
شیرپروانه ای
n: trade name for appratus for cleaning and freeing oil tanks of gas by means of high-pressure jets of hot water. It consistes essentially of opposed double nozzles, which rotate slowly about their horizontal and vertical axes and project two streams of hot water at a pressure of 175 psi (1,206 kilo pascals) against all inside surfaces of the deck, bulkheads, and shell plating.
a small disc-shaped electrode used in micro-resistivity pads.
n: a drilling bit with tungsten carbide inserts on the cones that resemble plugs or buttons. See roller cone bit.
nn: The cone bit which is installed with obtuse tungsten carbide insert.
مته ی کاربید
a slip for high alloy (hard) casing.
v: to secure the wellhead or other components.
secure the well or close in.
n: See spherical shape teeth.
n: a special type of heavy-duty threads.
agreement between a host and a contract lease holder under which the host pays the contractor an agreed price for all or part of the produced hydrocarbons.
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