دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a degignation given to any type of mud where high performing additives e.g.,cmc, have been partially or wholly substituted for commercial or natural clays. For comparable viscosity and densities (weighted with barite),a low-solids mud will have a lower v

n pi: clays that are encountered when drilling various formations;they mayor may not be incorporated purposely into the mud system.

n: natural clays,as opposed to commercial clays,are clays that are encountered when drilling various formations. The yield of these clays varies greatly and they may or may not be purposely incorporated into the mud system.

natural occurring clays as opposed to commercially formulated clays.