公开(公告)号：US20180244975A1

公开(公告)日：2018-08-30

申请号：US15904897

申请日：2018-02-26

Applicant: M-I L.L.C.

Inventor： Dimitri M. Khramov ,  Reda Karoum ,  Stephen Cliffe

IPC: C09K8/36 ,  E21B21/00

CPC classification number: C09K8/36 ,  E21B21/00 ,  E21B21/001

Abstract: An additive composition includes a rheology modifier selected from alcohol ethoxylates, amine ethoxylates, or ethylene oxide/propylene oxide copolymers, wherein the rheology modifier has an HLB ranging from about 4 to 10; and a winterizing agent that is at least one aliphatic non-ionic surfactant that has a branched structure and/or includes at least one unsaturation, wherein the winterizing agent has an HLB value between about 8 and 10.5.