-
公开(公告)号:US10131831B2
公开(公告)日:2018-11-20
申请号:US15303042
申请日:2015-03-23
Applicant: BASF SE , BASF Corporation
Inventor: Shawn Rimassa , Walter Bertkau , Joseph Borst
Abstract: Method of increasing the permeability in subterranean formations comprising rock that is soluble by acid, in particular carbonatic formations, using a formulation comprising at least an acid and a retarding surfactant which is an amphoteric surfactant. Preferably, the acid comprises methanesulfonic acid.