دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a mechanism in packers and other tools in which straight pickup or setdown action will set or release the tool. Rotation is not needed to set or release a tool with an automatic J.

a set or release mechanism where pickup or set down will release or set the tool.

n: a device for converting meter rotor movement into an electrical output signal.

n: see transmitter.

n: a device for converting meter rotor movement into an electrical output signal.

n: the point at which the floor crew of a drilling rig can latch the elevators around the pipe when it is coming out of the hole.

n: emerging certain height of pipe above the rotating table surface when pulling out of hole, which convenient to derrickman to pickup.

n: The point is the highest position that the hoisting block can ascend,which prevent the hoisting block touching the crown block.