دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: old-style tap with longitudinal grooves across the threads. See tap, taper tap.

n: A usual fishing tool for fishing tubular goods dropping in the wellbore. There are thread and coning in the inner surface.

another name for a tapered tap. Used to screw into boxed of connections.

n: the encroachment of reservoir water or gas into the oil column and well because of production. The water or gas tends to rise near the well bore and assume a conical shape.

the movement of a water upwards or gas downwards towards a decrease in pressure caused by producing hydrocarbons in a zone with no vertical permeability boundaries.

the top of the water cone in (usually) a horizontal well. Compare with coning in a vertical well.

gas from a fee gas cap that goes downward toward the top perforations in response to a drawdown.

where only part of the pay zone is completed. Generally used to control coning of a fluid or to select the origin of the fracture in a stimulation.

n: increasing the radius of root of tooth of numerical threading external thread and decreasing coning of external thread.

n: the upward encroachment of water into a well caused by pressure drawdown from production.

movement of water upward into oil strata in response to production of oil and lower reservoir pressures. May be localized in areas of high vertical permeability.