دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: Superfund Amendments and Reauthorization Act of 1986. A series of regulations promulgated by the EPA for general industry after the Bhopal disaster in India, where thousands died as a result of the release of a toxic cloud from an insecticide factory. SARA requires oil and gas operators to (1) appoint an emergency coordinator, (2) to submit a list or individual Material Safety Data Sheets for all hazardous chemicals present at a facility at or above 10,000 pounds or extremely hazardous substances at or above 500 pounds or the threshold planning quantity, (3) to submit an annual inventory of hazardous chemicals or extremely hazardous substances reported on die Material Safety Data Sheets, (4) to notify the State Emergency Response Commission (SERC) of the presence of an extremely hazardous substance at or above the threshold planning quantity, (5) to report releases of any hazardous or extremely hazardous chemical that leaves the boundaries of the facility at or above the reporting quantity to the SERC and the Local Planning Committee.

n: mud that contains the maximum amount of salt that can be dissolved.

n: The water based drilling fluid that containing saturated Nacl in the water phase.

n: a solution that contains at a given temperature as much of a solute as it can retain. At 68�F (20�C) it takes 126.5 pounds (57.38 kilograms) of salt to saturate 1 barrel (0.1592 cubic metres) of fresh water. See supersaturation.

a solution containing the maximum concentration of a specific ion that it will hold at a certain temperature and pressure without precipitating.

a gravel sizing method that takes the 50% intercept of a cumulative percent retained of the formation sand against a log particle size;then multiplies by 6 to get the median gravel size for the pack.

n: (SSU) a unit for measuring the viscosity of lighter petroleum products and lubricating oils. See Saybolt viscometel:

n: an instrument used to measure the viscosity of fluids, consisting basically of a container with a hole or jet of a standard size in the bottom. The time required for the flow of a specific volume of fluid is recorded in seconds at three temperatures (IOO.F-37.S.C, 130.F-54.4.C, and 210.F-9S.9.C). The time measurement unit is referred to as the Saybolt Second Universal (SSU).

n: an extended cliff or steep slope, produced by erosion or faulting, that separates two level or gently sloping areas, i.e., an escarpment.

n: the NEPA process of identifying the scope and significance of important issues associated with a proposed federal action and identifying alternatives to that action through coordination and consultation with government (federal, state, and local),the public, and any interested individuals or organizations.

steel catenary riser.