Schlumberger

Technical Paper: Advancing Marine Controlled Source Electromagnetics in the Santos Basin, Brazil

Society: EAGE
Paper Number: G008
Presentation Date: 2008
 

Abstract

The Santos Basin survey operation project between Petrobras and Schlumberger was performed to assess the integration of deep reading Electromagnetic (EM) technologies into the full cycle of oil field exploration and development. Multicomponent electric and magnetic fields data were recorded. All fields at each receiver location were processed and interpreted using an advanced integrated workflow. The main objectives of the survey were to calibrate mCSEM over known reservoirs, quantify the anomalies associated with those reservoirs with the expectation that new prospective location(s) could be found. We show that the mCSEM response of the known reservoirs yields signatures that can be imaged and accurately quantified by new processing and interpretation procedures. A further initiative was to advance the state of the art in integrated interpretation and establish guidelines toward the development of an industry standard workflow unavailable at present.

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