دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

a production log that uses a propeller-like spinner to measure changes in fluid velocity in sections of the well.

n: a device consisting of a scribed tube partially filled with a viscous liquid (spirit) that is designed to determine a horizontal line or plane. Since the tube is only partially filled, a bubble forms. By checking where the bubble rests between the scribed lines on the tube, one can determine whether an object is level.

n: a motor enclosure that allows some outside air to circulate through the motor for cooling. The angle of protection extends to 100. from the vertical.

strokes per minute. A count of pump strokes times pump volume times plunger # times pump efficiency estimates volume pumped.

n: an absorbent for recovering vapors of a lighter absorbent that is used in the main absorption process of a gas processing plant.

n: a unit wherein the vapors of lighter absorption oils are recovered.

One of the oldest and simplest logs. Measures voltage between formations and the fluid in the wellbore. Potential differences arise due to the differences between salinity of the formation and the wellbore fluids. SP is used for qualitative permeability,

n: the drawworks drum. Also a casinghead or drilling spool. v: to wind around a drum.

n: A device used to handle and temporarily store a coiled tubing string. Spoolers generally are configured with a removable drum that allows transport spools to be inserted, allowing a new string to be spooled onto a reel. The term is also occasionally used

n: a slide-type hydraulic valve that has a movable part called a spool.

n: the buying and selling of crude oil in a commodities exchange market on a daily basis, just as other commodities, such as gold, wheat, and heating oil, are bought and sold.

a market for short term transactions of specific volumes of product without a long term commitment.