دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a test involving the observation of a formation sample immersed in solvent and under ultraviolet light. If any hydrocarbons, which fluoresce under ultraviolet light, are in the sample, they will dissolve and appear as streamers or streaks of colour different from the solvent.

n: an employee of a mud logging company who performs mud logging. mud logging n: the recording of information derived from examination and analysis of formation cuttings made by the bit and of mud circulated out of the hole. A portion of the mud is diverted through a gasdetecting device. Cuttings brought up by the mud are examined under ultraviolet light to detect the presence of oil or gas. Mud logging is often carried out in a portable laboratory set up at the well.

n: the staff that responsible for collecting and analysising the material of mud and debrics.

the person who monitors the mud for hydrocarbon shows, y use of chemical analysis, microscopic examination or instrumentation.

n: light waves shorter than the visible blue violet waves of the spectrum. Crude oil, colored distillates, residuum, a few drilling fluid additives, and certain minerals and chemicals fluoresce in the presence of ultraviolet light. These sub- stances, when present in mud, may cause the mud to fluoresce.