دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: The drilling fluid filtrate reducer of amylum derivant that amylum reacts with alkyl sulfate in the alcaline condition.

n: A kind of amylum derivant manufactured by amylum and acetic acid chloride. Usually used for filtrate reducer of drill fluid and improving heat proof capacity of drill fluid.

a natural starch used in drilling fluids.

n: The drill fluid treating chemical made by reaction of cation of starch.

carboxy methyl starch.

n: A kind of fluid loss and anchoring agent of drilling fluid manufactured by the reaction of amylum and cross linking agent.

n: a decomposition process of certain organic substances, such as starch, in which a chemical change is brought about by enzymes, bacteria, or other micro organisms. Often referred to as souring."

n: the process in which the microbes make organic substance decompose

n: a kind of amylum product which cant ferment to lose effectiveness under the action of microbes

n: a kinds of ramification of fecula fluid loss additive that fecula processed by ethylene oxide.

n: a kinds of mud fluid loss additive that made of fecula derivant ,that is fecula process with iodid.

n: amylum additive that some group is added to amylum molecule to change its characterisc.