دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a cloud formed from a cumulus cloud that has reached great vertical development. This type of cloud has a top composed of ice crystals and a bottom composed of water droplets. Also called a thunderhead.

n: an instrument that records an ocean currents speed and direction (along with temperature, salinity, pressure, and other variables). The current meter is moored in position by an anchor or weight on the ocean bottom that is connected to a float at the surface.

n: The well whose hole axis presents bent shape. The deviation angle and azimuth change violently.

n: a special valve on an engine that, when activated, blocks the flow of fuel to the engine to make it stop running.

n: The ratio of upward velocity of cuttings and drilling fluid.

check valve.

compliant vertical access riser.

The Group Capital Value Process, essentially the application of the stage gate decision process.

n: the injection of steam into the rock surrounding a production well to lower the viscosity of heavy oil and increase its flow into the wellbore. Steam injection may be followed by immediate production or by closing the well (called the soak phase) to allow even heat distribution before production is begun. The cycle of injection, soak, and production is repeated as long as the oil yield is profitable. Also called steam soak and huff n puff.

n: stress that occurs on a pipe. vessel. or machine in cycles. such as the sucker rod string.