Total Taps CGGVeritas for Major 4D Inversion Project Off Angola

Block 17 Offshore Angola
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CGGVeritas has been awarded a major seismic reservoir characterization project by Total E&P Angola and their partners. The award is for the inversion of 4D seismic data covering the Dalia, Rosa, Girassol and Jasmine fields offshore Angola.

Hampson-Russell Software & Services, a CGGVeritas company, will undertake the inversion work, with a substantial amount drawing on the local expertise of our CGGVeritas Luanda processing & imaging center. The project will use the Hampson-Russell proprietary global 4D elastic inversion product, StratiSI 4D.

Philippe Doyen, Vice President, R&D, Hampson-Russell Services, said, "Having proved this technology in the North Sea, this is an important opportunity to apply it in West Africa. With the increasing number of 4D vintages available over producing fields, global 4D inversion is better constrained and yields results that are more readily interpretable in terms of production effects. In particular, it can provide quantitative estimates of reservoir properties, such as fluid saturation, with more certainty and capture the movement of fluids and changes in pressure with greater accuracy."

Lionel Lhommet, Executive Vice President, EAME region, said, "This award is significant, both in recognizing the technical leadership of Hampson-Russell Software & Services and our long-term commitment to our clients and partners in Angola. Since the opening of the Luanda processing & imaging center in 2000 we have made a strong commitment to expand our local expertise and infrastructure to provide our high-end 3D and 4D processing, advanced imaging and reservoir characterization in-country. This award complements perfectly the contracts we already have in Angola for advanced imaging (TTI RTM), and is central to helping our clients and their partners maximize the potential of their fields."


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