Will new marine seismic acquisition based on autonomous immersed receiver nodes confirm sustainable production of unrivaled field data quality?

Brizard, Thierry; Grimsdale, Jonathan; Siliqi, R.; Al-Khatib, Habib

doi:10.1190/segam2016-14105315.1

SEG Technical Program Expanded Abstracts 2016 2016

DOI: 10.1190/segam2016-14105315.1

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Will new marine seismic acquisition based on autonomous immersed receiver nodes confirm sustainable production of unrivaled field data quality?

Thierry Brizard

Jonathan Grimsdale

R. Siliqi

et al.

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2021

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Ten years of time-lapse seismic on Atlantis Field

Gestel

2021

The Leading Edge

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In 2019, the fourth ocean-bottom-node survey was acquired over Atlantis Field. This survey was quickly processed to provide useful time-lapse (4D) observations two months after the end of the acquisition. The time-lapse observations were immediately valuable in placing wells, refining final drilling target locations, updating well prioritization, and sequencing production and water-injection wells. These data are indispensable pieces of information that bring geophysicists and reservoir engineers together and focus the conversation on key remaining uncertainties such as fault transmissibilities and drainage areas. Time-lapse observations can confirm the key conceptional models already in place but are even more valuable when they highlight alternative models that have not yet been considered. The lessons learned from the acquisition, processing, analysis, interpretation, and integration of the data are shared. Some of these lessons are reiterations of previous work, but several new lessons originated from the latest 2019 acquisition. This was the first survey in which independent simultaneous sources were successfully deployed to collect a time-lapse survey. This resulted in a much faster and less expensive acquisition. In addition, full-waveform inversion was used as the main tool to update the velocity model, enabling a much faster turnaround in processing. The fast turnaround enabled incorporation of the latest acquisition to better constrain the velocity model update. The updated velocity model was used for the final time-lapse migration. In the integration part, the 4D-assisted history-match workflow was engaged to update the reservoir model history match. All of the upgrades led to an overall faster, less expensive, and better way to incorporate the acquired data in the final business decisions.

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Ten years of time-lapse seismic on Atlantis Field

Gestel

2021

The Leading Edge

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show abstract

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Will new marine seismic acquisition based on autonomous immersed receiver nodes confirm sustainable production of unrivaled field data quality?

Cited by 1 publication

References 5 publications

Ten years of time-lapse seismic on Atlantis Field

Ten years of time-lapse seismic on Atlantis Field

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