Oil and Gas Terms Beginning with “C” — Page 15

An anomalously high transit time in a log, such as a continuous velocity log, observable as a spike on the log, commonly caused by the presence of fractures, gas, unconsolidated formations, aerated drilling mud and… Read more →

The elapsed time for mud to circulate from the suction pit, down the wellbore and back to surface. Cycle time allows the mud engineer to catch "in" and "out" samples that accurately represent the same element of mud in… Read more →

A method of thermal recovery in which a well is injected with steam and then subsequently put back on production. A cyclic steam-injection process includes three stages. The first stage is injection, during which a slug… Read more →

An oilfield installation used when producing from a gas-condensatereservoir. In a cycling plant, the liquids are extracted from the natural gas and then the remaining dry gas is compressed and returned to the producing… Read more →

A succession of strata deposited during a single cycle of deposition. These sedimentary successions usually occur repeatedly, one above the other. The two main varieties are the cyclic units that are symmetrical… Read more →

The barrel of the sucker rod pump. The plunger travels up and down in the cylinder. The plunger and the barrel operate as a piston mechanism to lift reservoir fluids into the subsurface pump. A cylinder is also known as… Read more →