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

IPC: E21B43/26 ,  C09K8/74 ,  C09K8/60 ,  E21B43/25

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.

公开(公告)号：US20170037304A1

公开(公告)日：2017-02-09

申请号：US15303042

申请日：2015-03-23

Applicant: BASF SE ,  BASF Corporation

Inventor： Shawn Rimassa ,  Walter BERTKAU ,  Joseph BORST

IPC: C09K8/74 ,  E21B43/25 ,  C09K8/60

CPC classification number: C09K8/74 ,  C09K8/602 ,  C09K2208/30 ,  E21B43/25 ,  E21B43/26

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.

Abstract translation: 使用包含至少一种酸和作为两性表面活性剂的阻滞表面活性剂的制剂，增加地下地层中渗透性的方法，其包括可被酸，特别是碳酸盐地层溶解的岩石。 优选地，酸包括甲磺酸。