Saved successfully
Save failed
Saved Successfully
Save Failed
公开(公告)号:US20150007992A1
公开(公告)日:2015-01-08
申请号:US14378277
申请日:2013-01-09
Applicant: BASF SE
Inventor: Roland Reichenbach-Klinke , Markus Wohlfahrt
IPC: C09K8/42 , E21B33/13
CPC classification number: C09K8/42 , C04B24/163 , C04B24/2652 , C04B24/2688 , C04B2103/46 , C09K8/12 , C09K8/487 , E21B33/13
Abstract: What is proposed is the use of a terpolymer comprising 5-95 mol % of 2-acrylamido-2-methylpropanesulfonic acid, 5-95 mol % of N,N-dimethylacrylamide and 5-12 mol % of acrylic acid as a fluid loss additive in well cementing.
Abstract translation: 提出的是使用包含5-95mol%2-丙烯酰氨基-2-甲基丙磺酸,5-95mol%N,N-二甲基丙烯酰胺和5-12mol%丙烯酸作为流体损失添加剂的三元共聚物 在固井。