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    COMPLETION SYSTEM FOR CCS MONITORING
    5.
    发明公开
    COMPLETION SYSTEM FOR CCS MONITORING 审中-公开

    公开(公告)号：EP4467768A1

    公开(公告)日：2024-11-27

    申请号：EP23175827.7

    申请日：2023-05-26

    Applicant: Welltec Manufacturing Center Completions ApS

    Inventor： ROSAS Gutterres, Fabio

    IPC: E21B41/00 ,  E21B33/12 ,  E21B33/128 ,  E21B33/1295 ,  E21B33/13 ,  E21B43/10 ,  E21B47/113 ,  E21B47/005 ,  E21B47/135 ,  E21B49/00 ,  E21B17/02 ,  E21B33/127

    Abstract: The present invention relates to a completion system for CO 2 storage monitoring of a reservoir in a formation, the completion system comprising a first well tubular metal structure, a second well tubular metal structure having a first part arranged within the first well tubular metal structure and a second part extending below the first well tubular metal structure into the borehole, cement arranged between the borehole and the second part of the second well tubular metal structure, a monitoring line extending from the top along both the first and second part of the second well tubular metal structure and into the cement, a production packer assembly providing a seal between the first well tubular metal structure and the first part of the second well tubular metal structure, the production packer assembly comprising an anchoring unit, and an annular barrier unit, wherein each unit comprises a tubular metal part configured to be mounted as part of the first part of the second well tubular metal structure, the tubular metal part having an opening, and an expandable metal sleeve surrounding the tubular metal part, the first expandable metal sleeve having a circumferential groove, and being connected with the outer face of the tubular metal part, wherein the anchoring unit comprises an anchoring element arranged in the circumferential groove, wherein the annular barrier unit further comprises a sealing element arranged in the circumferential groove, and wherein the monitoring line extends through both the anchoring unit and the annular barrier unit between the tubular metal part and the expandable metal sleeve. The invention also relates to a completion method for completing a well to be ready for CO 2 storage monitoring in a reservoir in a formation.

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