دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: once the drawworks receives power from either the compound or electric motors, the type of transmission that allows the driller to select how the power is distributed (torque! speed combinations) to various components of the drawworks. The drawworks on both mechanical-drive and electric-drive rigs have a selective transmission.

n: a feature on some downhole production tools that allows the operator to select the setting depth of the tools.

n: a single receiver used with a remote transmission system to permit the use of one or more tank transmitters so that selective liquid level readings can be obtained by switching from one tank to another. Compare single-tank remote gauge.