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Abstract

This paper presents Shell’s recent experience in delivering time-lapse seismic technology as a tool for reservoir management. The field is M4, a flat-top reefal carbonate buildup located offshore Sarawak. It was discovered in 1980 with a gas column of 170ft. The field has been producing since 2002, through 2 near horizontal wells located some 25 ft below the top of the reservoir, with strong aquifer drive. The existing 3D survey was acquired in 2001. Supported by the results of a feasibility study, a monitor or time-lapse 3D survey was acquired in 2005 to monitor the production-related effect within the reservoir. The multidisciplinary effort that is key to the success of the technology delivery will be addressed. The paper will discuss the components of the technology delivery, that is, the feasibility study, the planning and acquisition of the monitor survey and careful processing of both base and monitor surveys. The success will be further demonstrated by the excellent results, which will also be shared.

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/content/papers/10.3997/2214-4609-pdb.256.P18
2006-11-27
2024-03-28
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