公开(公告)号：US20250075588A1

公开(公告)日：2025-03-06

申请号：US18720970

申请日：2023-01-23

Applicant: Schlumberger Technology Corporation

Inventor： Samuel Roselier ,  Romain Neveu ,  Robin Laupie ,  Nicolas Saltel ,  Dinesh Patel

IPC: E21B33/122 ,  E21B34/06

Abstract: A technique facilitates improved actuation and use of packers disposed along a well string and placed in a borehole, e.g. a wellbore. A plurality of packers may be disposed along a base pipe, e.g. a production tubing. Each packer has an expandable sleeve which may be expanded into a fully expanded configuration establishing a secure, sealing engagement with a surrounding wall. e.g. a surrounding wellbore wall. Additionally, a hydrolock prevention valve system comprises a valve which may be actuated to allow or block the flow of fluid from an annular region or regions between the packers.

公开(公告)号：US20240337172A1

公开(公告)日：2024-10-10

申请号：US18293043

申请日：2022-07-26

Applicant: Schlumberger Technology Corporation

Inventor： Samuel Roselier ,  Romain Neveu ,  Robin Laupie ,  Gwenael Tanguy

IPC: E21B43/10 ,  E21B23/01

CPC classification number: E21B43/106 ,  E21B23/01 ,  E21B43/105

Abstract: A technique facilitates improved anchoring of expandable well tools along a wellbore or other type of borehole. According to an embodiment, a well tool is sized for placement along a well string. The well tool comprises a tubing and an expandable tubular coupled to the tubing. The expandable tubular is plastically deformable in a radially outward direction when sufficient pressure is applied to an interior of the expandable tubular. The well tool also comprises at least one anchoring ring disposed circumferentially about the expandable tubular. The anchoring ring is constructed with at least one weak point which breaks during expansion of the expandable tubular. Breakage at this weak point enables movement of the anchoring ring in a radially outward direction without elongation of the anchoring ring.