دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a device that regulates various factors (such as flow rate, pressure, or temperature) of a system without supervision or operation by personnel. See instrumentation.

n: a device usually installed on the first joint of casing to regulate automatically the amount of mud in the casing. The valve in this shoe keeps mud from entering the casing until mud pressure causes the valve to open, allowing mud to enter.

n: The float shoe that is installed in the bottom of the casing string and can adjust the volume of drilling fluid in the casing. There is a valve in the float shoe. Only when the pressure of drilling fluid is big enough to open the valve can the drilling fl

n: a meter accessory that enables a meter that is measuring volume at stress temperature to register the equivalent volume at a reference or base temperature.

n: a system that automatically measures and displays liquid levels or ullage in one or more vessel tanks on a continuous, periodic, or ondemand basis.

autonomous underwater vehicle.

n: The control console that can manipulate the valves of remote console from long distance. It is a auxiliary safety device.