There are two ways.

摘要

An alpha-p alpha___kappa Coalition for maintenance of drilling fluids and low-temperature use of base oils showing a method and viscosity reduction In these liquid drilling and drilling fluid maintenance.This method includes adding the drilling fluid diluent or maintaining a formula: R (c2h4) N (c3h6) M (c4h8) K-H R is A saturated or linearly or branched alkyl group with about 8 to 24 carbon atoms, n being a number, ranging from PI epsilon p p p p p p p p p p p p p p p About 1 to 10.M is a number ranging from about 10 to about 0. K is a number ranging from about 10 to about 0.