دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: A kind of non-ionics, used as foaming agent and emulsifier of foam drilling fluid.

n: R-SO3-M (R is alkyl, M is cation),a kind of anionic surface active agent, mainly used as foaming agent of foam drilling fluid, for example alkane sulfonate.

n: A kind of cationic surface active agent. Used for foaming agent of drill fluid and clay inhibitor of completion fluid.

n: a chemical used to lighten the water column in gas wells, in oilwells producing gas, and in drilling wells in which air or gas is used as the drilling fluid so that the water can be forced out with the air or gas to prevent its impeding the production or drilling rate. See mist drilling.

n: a drilling technique that uses air or gas to which a foaming agent has been added.

n: A variation of air drilling in which a small amount of water trickles into the wellbore from exposed formations and is carried out of the wellbore by the compressed air used for air drilling. The onset of mist drilling often signals the impending end of p