CGG Acquires Survey Basin Offshore Brazil
CGG has begun a large broadband 3-D multiclient survey in the presalt area of the deepwater Santos Basin, the company said in a news release.
Santos VII (Saturno), the third phase in CGG’s presalt project called the Santos Basin Trilogy, will cover 13,900 sq km (5,367 sq miles). The acreage includes the Saturno prospect, which CGG said has no 3-D seismic coverage to date.
Plans are for the BroadSeis dataset to be acquired in two phases, running from September 2016 to June 2017 with processing set to take place CGG’s Rio de Janeiro Subsurface Imaging Center. Fast-track products will be available in spring 2017, the company said.
“The project is designed to make ultramodern seismic datasets available as quickly as possible to support each phase in the presalt evaluation process in anticipation of Brazil’s next presalt licensing round,” CGG said.
The other two phases of the project are the Galaxy 3-D migrated grid and the Constellation reprocessing project.
Schlumberger, Petronas Sign Contract For Deepwater GoM Seismic Survey
Petronas, through its wholly owned subsidiary, Petronas (E&P) Overseas Ventures Sdn Bhd, has signed an agreement to license a significant part of the WesternGeco Campeche wide-azimuth deepwater multiclient seismic survey in the southern part of the Gulf of Mexico, according to a Schlumberger news release.
More than 80,000 sq km (30,888 sq miles) of newly imaged subsurface data, which have been acquired in the last 12 months, are available for oil and gas companies participating in exploration in Mexico. The project follows the Mexican government’s opening of licensing rounds to nongovernment companies for the first time.
TGS Completes Acquisition Of ‘Gigante’ Survey
More than a year after kicking off its single largest 2-D seismic survey acquired, TGS has completed acquisition of its 186,000-km (115,575-mile) Gigante seismic survey offshore Mexico.
The task used five seismic vessels to gather a dense, modern, long offset regional 2-D seismic grid, according to TGS.
“Processing of the Gigante survey is ongoing with fast-track PSTM [prestack time migration] and preliminary PSDM [prestack depth migration] products available in advance of the scheduled licensing rounds,” the company said. “Early interpretations of the seismic continue to shed new light on the geology in this region. Combined with TGS’ multibeam, coring and geochemical analysis, these data are allowing geoscientists to evaluate the whole basin at a detailed level for the first time.”
The company said it expects to finish the Gigante multibeam bathymetry coverage in early October and the seafloor coring in December.
—Staff Reports
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