公开(公告)号：US06367548B1

公开(公告)日：2002-04-09

申请号：US09519064

申请日：2000-03-03

Applicant: Donald L. Purvis ,  David D. Cramer ,  David D. Smith ,  Douglas L. Walton

Inventor： Donald L. Purvis ,  David D. Cramer ,  David D. Smith ,  Douglas L. Walton

IPC: E21B4325

CPC classification number: E21B43/14 ,  E21B43/25

Abstract: Methods and compositions for stimulating multiple intervals in wells by diverting well treatment fluids into multiple intervals by alternately displacing diverting agent from the annulus into a subterranean formation and displacing treatment fluid from a tubing string into the subterranean formation.

Abstract translation: 通过将转移剂从环带交替移位到地层中并将处理流体从管柱移位到地下地层中，通过将井处理流体转移到多个间隔来刺激孔中的多个间隔的方法和组合物。