公开(公告)号：WO2023075934A1

公开(公告)日：2023-05-04

申请号：PCT/US2022/042765

申请日：2022-09-07

Applicant: HALLIBURTON ENERGY SERVICES, INC.

Inventor： PATIL, Ishwar ,  DESAI, Priyanshkumar ,  HELMS, Lonnie, Carl ,  ACOSTA VILLARREAL, Frank, Vinicia ,  SANTOSO, Handoko Tirto

IPC: E21B33/14 ,  E21B33/16 ,  E21B34/14

Abstract: A stage cementing tool for use in a wellbore comprises a mandrel having a plurality of circumferentially spaced first longitudinal slots and a plurality of circumferentially spaced second longitudinal slots. An opening sleeve is disposed in the mandrel in a first position and movable relative thereto. A setting sleeve disposed about the mandrel is connected to the opening sleeve and movable therewith. A drive sleeve is disposed in the mandrel above the opening sleeve is connected to and movable with a closing sleeve disposed about the mandrel.