دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a process used by divers to eliminate inert gases from the tissues, whereby they breathe high partial pressures of oxygen while resting after a dive to reduce the risk of getting decompression sickness.

n: The number of electric charge per unit area on the surface of electrolyte or other substances.

n: an offshore drilling rig that is either a drill ship or a drilling barge;so called because the rig floats on the surface of the water.

n: rights and interests in the surface of land, created when the owner severs or separates his or her interests in the property.

n: Tooth cannt penetrate into layer,only causing grind and fracture of scraping on the surface of rock.

n: Named as opening out of lattice,too.The phenomenon of the volume of clay increase,because its lattice absorb monomolecular water.

n: owner of the rights and interests in a surface estate (where interests in a landed estate have been severed). Compare mineral owner.

n: the first string of casing (after the conductor pipe) that is set in a well. It varies in length from a few hundred to several thousand feet (metres). Some states require a minimum length to protect freshwater sands. Compare conductor pipe.

n: A large-diameter, relatively low-pressure pipe string set in shallow yet competent formations for several reasons. First, the surface casing protects fresh-water aquifers onshore. Second, the surface casing provides minimal pressure integrity, and thus en

n: a concrete plug placed in the surface casing usually when the well is abandoned.

n: pressure measured at the wellhead.