دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: see ball up.

n: see small-volume prover.

v: in reference to tubing under the effects of temperature changes, sucker rod pumping, or high internal pressure, to increase in diameter while decreasing in length. Compare reverse-balloon.

a phenomenon in which fluids are lost to the rock during over-pressured operations, such as found in increased pressures from equivalent circulating density operations, and then flow back when pressure is reduced. This may be confused with a kick.

an increase in pipe O.D. as internal pressure is applied (shortens pipe) or a decrease in diameter (Reverse Ballooning: lengthens pipe) as external pressure is applied.

a shape of a reamer blade that allow milling either up or down.