Using 4C seismic data to improve prospect appraisal: A case study from offshore Trinidad ///

High-quality multi-component (4C) seismic data can deliver superior structural imaging and provide field-wide rock property indicators; however, getting the most from a 4C dataset required robust processing and analysis workflows. This article presents an example of 4C acquisition and processing that includes detection and compensation for anisotropy, providing valuable additional information about the subsurface. The Pamberi survey area is about 50 km SE of Galeota Point, which is at the southeastern tip of Trinidad, Fig. 1. It is within the LRL Block, in which there are about six wells. The 16-km seismic survey area traverses the Pamberi-1 well location. Pamberi is not a producing field, but is located about 15 km southwest of the Kiskadee gas field in neighboring South East Coast Consortium (SECC) Block. Kiskadee is operated by EOG with BP as a partner. At end 2006, EOG Resources, Inc., has 20% of its reserves in Trinidad and Tobago.

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