Invention Grant
- Patent Title: Methods and devices for joint time-lapse full-waveform inversion with a time-lag cost function
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Application No.: US17380103Application Date: 2021-07-20
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Publication No.: US11880009B2Publication Date: 2024-01-23
- Inventor: Zhiguang Xue , Zhigang Zhang , Ping Wang
- Applicant: CGG SERVICES SAS
- Applicant Address: FR Massy
- Assignee: CGG SERVICES SAS
- Current Assignee: CGG SERVICES SAS
- Current Assignee Address: FR Massy
- Agency: PATENT PORTFOLIO BUILDERS PLLC
- Main IPC: G01V1/30
- IPC: G01V1/30 ; G01V1/36 ; G01V1/28
Abstract:
Methods and devices according to various embodiments perform full-wave inversion jointly for datasets acquired at different times over the same underground formation using a time-lag cost function with target regularization terms. This approach improves the 4D signal within reservoirs and suppresses 4D noise outside.
Public/Granted literature
- US20220308246A1 METHODS AND DEVICES FOR JOINT TIME-LAPSE FULL-WAVEFORM INVERSION WITH A TIME-LAG COST FUNCTION Public/Granted day:2022-09-29
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