4D DAS VSP as a tool for frequent seismic monitoring in deep water

Author:

Mateeva A.1,Lopez J.1,Chalenski D.1,Tatanova M.1,Zwartjes P.2,Yang Z.1,Bakku S.1,Vos K. de2,Potters H.2

Affiliation:

1. Shell International Exploration and Production Inc.

2. Shell Global Solutions International B.V.

Abstract

Thanks to its relatively low cost, time-lapse vertical seismic profiling (VSP) with distributed acoustic sensing (DAS) is an attractive proposition for frequent seismic monitoring around production and injection wells, aimed at production optimization in complex deepwater fields. We demonstrate that 4D DAS VSP provides sufficient data quality for reservoir monitoring in deep water, with a high value-to-investment ratio. 4D quality and image extent can be enhanced through well-executed acquisition and advanced processing. Further cost lowering via innovations on the source side is being pursued. The path to establishing 4D DAS VSP as a monitoring tool in deep water is through further field applications to demonstrate its ability to impact business decisions.

Publisher

Society of Exploration Geophysicists

Subject

Geology,Geophysics

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