دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: in an oil and gas lease, the clause that allows for proportionate reductions in rentals and royalties should the lessors interests be less than the entire fee simple estate. proppant n: see propping agent.

n: added kinds of organic superpolymer containing more encapsulating ability to fluid, which absorbs on the mud shale surface of debrics or layer, then making up a flat of membrane, thus the rock is diffcult for water intrusion and producing hydration. the

n pi: empirical values for the critical properties (such as temperature, pressure, and volume) of a chemical system made up of multiple components.

various forms of a tool for bond evaluation, usually an ultra sonic emitter and detector.

n pi: corrosiondetecting processes that, by recording the action of ultrasonic waves artificially introduced into production structures, can determine metal thicknesses and detect flaws.

n: one of the installations built at intervals along an oil pipeline to contain storage tanks, pumps, and other equipment to route and to maintain the flow of oil.

a hard, native asphalt within the pores. Does not ordinarily move or enter into reaction.

n pi: particles produced directly by volcanic action when gases within molten lava expand rapidly and the water suddenly flashes into steam, blasting the molten mass into tiny splinters of solidifying glass. The hot particles eventually come to rest in thick blankets of cooling cinders, called ash.

particles (to chucks) of molten igneous rock ejected from a volcanic vent during an eruption.

a crack in steel resulting from stresses produced during transformation from austentite to martensite.