دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

abbr: authority for expenditure. affiant n: the person who makes a sworn statement.

Authority for Expenditure on a well (authorized funds for drilling or workover).

annular fluid expansion.

n: (ADS) a oneperson atmospheric suit rated to depths of 2,300 feet (701 metres). Advantages include allowing the operator to work in a safe environment for debris salvage or recovery operations.

n pi: a classification of injection wells under Safe Drinking Water Act that are related to hazardous, industrial nonhazardous, and municipal wastewater disposal below underground sources of drinking water.

n: (CWA) law that regulates the discharge of toxic and nontoxic pollutants into the surface waters of the United States. Under the jurisdiction of both the EPA and the Army Corps of Engineers, CWAs short-term goal is to make surface waters safe for recreation, fishing, and other uses. Its long-term goal is to eliminate all harmful discharges into surface waters.

n: The whole set of coring tool consisted by outer barrel, inner barrel, safe joint, rotating bearing and core bit.

n: the working platform at the top of the derrick or mast that permits access to the sheaves of the crown block and provides a safe working area for service to the gin pole. See crown block.

n: See water table.

n: The maximal sum of safe load which derrick base suffers.

n: the ratio of the ultimate load a vessel or structure will sustain to the permissibly safe load placed on it. Such safety factors are incorporated into the design of casing, for example, to allow for unusual burst, tension, or collapse stresses.