دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: The change valve that have three position and five way.

seismic maps that show detail in three directions. A network or grid of values that models a geologic surface or structure as a surface of density contrast (gravity),or susceptibility (magnetic).

n: a separator that separates well fluids into oil or emulsion, gas, and water, or, in a glycol dehydration unit, into gas, condensate, and glycol.

n: Its made up of three blade,jet,water separator and bit body,which usually be used in early rotary drlling.

n: Its made up of three blade,jet,water separator and bit body,which usually be used in early rotary drlling.

n: (TLV) the aver- age concentration of toxic gas in a breathing atmosphere in which a normal person can be exposed safely for 8 hours per day, S days per week;usually established by a regulatory agency such as OSHA.

n pi: (TPQ) EPA minimum quantities of extremely hazardous substances under SARA that may not be exceeded without meeting reporting requirements. Under SARA (section 302),companies must notify and coordinate emergency plans with the SERC and the LEPC when a facility reaches or exceeds the EPA-stipulated TPQ for any EHS. For example, hydrofluoric acid is an EHS with a TPQ of 100 pounds. If a facility has 100 pounds or more of hydrofluoric acid, it must notify the SERC and the LEPC.

a limit flow velocity for a specific fluid, either minimum or maximum, that would accomplish a task. Threshold Velocities are usually minimums to promote liquid lift in a gas well, or a minimum velocity to keep a pipe surface clean.

n: a stand of pipe made up of three joints and handled as a unit. Compare double, fourble, single.

n: Its made up of three drill pipe.

a triple, or three joints of pipe screwed together.