CGG runs multi-client airborne survey offshore South Africa

CGG, a French-based geophysical services company, has announced that it will start a multi-client airborne gravity and magnetic survey offshore South Africa.

The Petroleum Agency of South Africa (PASA) has authorized the program which will extend across two blocks totaling approximately 78,000 line kilometers. The survey areas are located offshore Cape Agulhas (West Bredasdorp area) and offshore Durban (Eastern Margin area).

CGG says that data acquisition will start in January 2016 and is anticipated to take four months utilizing specialized geophysical survey aircraft. The project has received pre-funding from the oil industry and survey data and interpretation products will be available for licensing in mid-2016.

According to the geophysical services company, the survey will provide partial coverage of the largely underexplored Western Bredasdorp, Durban and Zululand basins and the data will assist with mapping crystalline basement and magnetic and density anomalies within the sedimentary section. The airborne survey will allow data collection through the “transition zone” from the marine environment to the near-shore.

A comprehensive interpretation, combining this new data set with available geologic and geophysical data, will also be undertaken by CGG’s in-house interpretation team, CGG said. Deliverables will include a full geophysical interpretation report, including definition of basement lithology and structure, mapping of sediment fairways and depositional-centers and any intrusives or salt which may be present in the sedimentary section.

The final results will be presented in ArcGIS format for assimilation into the clients’ own seismic, geological and well control databases.

“These survey deliverables will provide significant assistance to exploration and de-risking of prospective areas by oil companies when they become available for licensing in mid-2016,” the company noted.

PASA Acting Chief Executive Officer, Lindiwe Mekwe, said: “The oil industry’s funding of CGG’s early-phase exploration effort offshore South Africa is a testament to the prospectivity of the region. PASA expects that the geological insights of the West Bredasdorp and Eastern Margin areas gained from the CGG survey will attract further exploration investment and help focus explorers’ efforts.”

Greg Paleolog, Senior Vice President, Multi-Physics, CGG, said: “Our multi-client South Africa project will be a great addition to our existing multi-client gravity & magnetic database that contains over 16 million line kilometers of profile data. It will result in a unique exploration dataset in an exciting frontier area about which we have, as yet, very little information regarding active petroleum systems.”

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Posted on January 22, 2016 with tags , .

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