Invention Grant
- Patent Title: Methods, apparatus and systems for creating wellbore plugs for abandoned wells
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Application No.: US17045313Application Date: 2018-05-24
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Publication No.: US11643902B2Publication Date: 2023-05-09
- Inventor: Terizhandur S. Ramakrishnan , Hua Zhang , Quincy K. Elias , Albert Perez, Jr.
- Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
- Applicant Address: US TX Sugar Land
- Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
- Current Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
- Current Assignee Address: US TX Sugar Land
- International Application: PCT/US2018/034418 2018.05.24
- International Announcement: WO2019/194844A 2019.10.10
- Date entered country: 2020-10-05
- Main IPC: E21B33/13
- IPC: E21B33/13 ; C09K8/42 ; C09K8/46 ; E21B33/12 ; E21B33/134 ; E21B33/14 ; E21B33/138 ; C22C12/00 ; G01N33/2028 ; E21B29/12
Abstract:
A wellbore is plugged using a bismuth alloy. The wellbore is arranged so that a liquid bismuth alloy sets with an excess pressure of the plug relative to the borehole fluid pressure along a desired seal height distance.
Public/Granted literature
- US20210148190A1 METHODS, APPARATUS AND SYSTEMS FOR CREATING WELLBORE PLUGS FOR ABANDONED WELLS Public/Granted day:2021-05-20
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