Falcon® airborne gravity gradiometer (AGG) surveys let you explore large areas for a fraction of the cost of 2D and 3D seismic surveys. This allows for a greater return on your exploration investment. Since 1999, more than 3 million line-kilometers of Falcon® data have been acquired by a large cross section of oil and gas exploration companies.
As explorers focus on targets with increasingly subtle geophysical signatures the noise level of the AGG instrument is of primary importance for detectability. CGG’s Falcon® technology is the only gravity gradiometer engineered for use in light aircraft, and isolates the instrument from aircraft-induced noise. The Falcon® system is acknowledged as having the lowest survey data noise of all available AGG systems. Unique to the Falcon® technology is the incorporation of two separate gravity gradiometer instruments onboard the aircraft, allowing for immediate assessment of the data accuracy and system noise.
Integration of Falcon® data with seismic data allowed transfer structures not previously recognized from the seismic data to become obvious.
The resolving power of Falcon® compared to conventional airborne gravity results in superior mapping of geologically significant density anomalies to depths exceeding 6,000 m. This information can be used to de-risk further exploration efforts by optimizing the layout of any subsequent seismic data acquisition programs. This approach has been taken recently by Australian petroleum explorers who have used Falcon® technology to rapidly and cost-effectively map the basement structures over large areas of Western Australia. Integration of Falcon® data with seismic data allowed transfer structures not previously recognized from the seismic data to become obvious.
Areas of remote and rugged topography, such as in Papua New Guinea or the South American Andes, can pose significant challenges for ground-based gravity acquisition, to the point where it becomes unfeasible, either due to financial costs or unacceptable occupational risks. CGG’s Falcon® technology can overcome these hurdles, and in areas of extreme topography HeliFalcon® can provide near-perfect terrain-following capabilities due to the use of a helicopter platform. This enables collection of safer, faster and more accurate gravity data.
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