公开(公告)号：US11034597B2

公开(公告)日：2021-06-15

申请号：US16135409

申请日：2018-09-19

Applicant: ConocoPhillips Company

Inventor： Lee D. Osness ,  Kevin Lucas ,  Paul Sameshima ,  Jason C. Grundler

IPC: C02F1/56 ,  C02F9/00 ,  C02F1/42 ,  C02F101/32 ,  C02F101/10 ,  C02F103/10 ,  C02F5/06 ,  C02F1/00 ,  C02F5/02

Abstract: Described herein is a coagulant blend for use in SAGD water treatment systems. Specifically, a blend of high charge density polyamine and low charge density poly(diallylmethyl ammonium chloride (poly-DADMAC) is used in the warm lime softening treatment process to coagulate and flocculate solids.