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Industry Articles

The SeisAble Benefits of CGG technologies and services are regularly featured in the industry press. Find out more by consulting our e-library of published industry articles. Narrow your search by entering at least one search criterion:

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Results: 164

Highlighting Horda - recent developments over the Horda platformHighlighting Horda - recent developments over the Horda platform
Oilfield Technology, June, 2015
Idar Horstad | Jo Firth
©2015 Palladian Publications Ltd
Summary
An overview of the general oil exploration landscape in Norway with a description of the Horda survey, concentrating on the acquisition, but including references to the complete integrated geoscience package that will eventually be delivered
Horda Platform: Exploring the CretaceousHorda Platform: Exploring the Cretaceous
Geo Expro, May, 2015
Jaswinder Mann-Kalil
©2015 GeoPublishing Ltd
Summary
The main area of hydrocarbon exploration in the Northern North Sea has been within pre- and syn-rift Jurassic sandstones. This is with the exception of chalk reservoirs in the Ekofisk field and Palaeogene sand reservoirs of the Frigg field. Now, with ignited interest in the Horda Platform, and particularly after the discovery of the Grosbeak and Skarfjell oilfields, attention has been directed towards the hydrocarbon potential within post-rift Cretaceous sands. The prospectivity of the Cretaceous sands was demonstrated more than three decades ago with the Agat discoveries.
Central North Sea: Advances in Technology with CGG's Cornerstone dataCentral North Sea: Advances in Technology with CGG's Cornerstone data
GEO, May, 2015
Jaswinder Mann
©2015 GeoPublishing AS
Summary
There are a number of geophysical challenges when attempting to image the sub-surface in the Central North Sea. These consist of shallow anomalies, heavy multiple contamination and sharp velocity contrasts. With a combination of broadband data and CGG?s latest processing and imaging techniques, these challenges become significantly reduced.
Seeing safely through to the subsaltSeeing safely through to the subsalt
Oilfield Technology, May, 2015
Luke Twigger
©2015 Palladian Publications Ltd
Summary
The May edition of Oilfield Technology is freely and widely distributed at the EAGE conference. CGG paid to appear on the cover and also got to contribute an article on a topic of our choice. This was designed to reflect our current advertising and marketing messaging. The main topic is recent advances in subsalt technology. We made reference to BroadSeis, StagSeis, RTM, FWI, dip-constrained channel tomography, Brazil/GoM data library and geohazards.
PS imaging of ocean-bottom dataPS imaging of ocean-bottom data
Leading Edge, April, 2015
Lorenzo Casasanta | Sam Gray
©2015 SEG
Summary
We describe opportunities and challenges for imaging seismic data acquired using conventional marine sources and receivers located on the seafloor. Opportunities include the promise of greater imaging resolution than sea-surface acquisition and processing can offer, especially using P-wave to S-wave converted reflection energy (PS imaging). Challenges include effects of current seafloor receiver spacing, which can be large enough to negate the promised resolution gains. We use a synthetic dataset to illustrate possible imaging improvements that can result from seafloor acquisition, as well as image degradation that can result when seafloor receivers are separated by typical current distances.
Noise and Repeatability in Airborne Gravity GradiometryNoise and Repeatability in Airborne Gravity Gradiometry
First Break, April, 2015
Asbjorn Norlund Christensen | Mark Dransfield | Christopher Van Galder
©2015 EAGE
Summary
We present the results from flying the FALCON-2 system over the R.J. Smith AGG test range at Kauring, West Australia
The value of broadband seismic data for reservoir characterization The value of broadband seismic data for reservoir characterization
Oil Review Africa, April, 2015
Lucia Levato
©2015 Oil Review Africa
Summary
Broadband data opens up new frontiers to seismic reservoir characterization while requiring the development of new workflows to fully benefit from the additional information brought by the low frequencies. The value of broadband seismic inversion is illustrated by the results obtained on data recorded in the Santos Basin. The geologic similarities between the Santos and Kwanza basins are discussed. It is also suggested that seismic inversion of the BroadSeis data recorded in the Kwanza Basin should provide accurate and valuable information on the physical properties of the reservoirs.
New technology breathes new life into mature basins - a case study over the Utsira HighNew technology breathes new life into mature basins - a case study over the Utsira High
World Oil, April, 2015
Vetle Vinje | Andrew Wright | Jo Firth | Jan-Erik Lie | Vidar Danielsen
©2015 Gulf Publishing Company
Summary
We present a case study over the South Utsira High. This survey was the first commercial BroadSource with BroadSeis 3D survey, and was acquired over the Johan Sverdrup field. A small pilot survey was initially acquired over the Avaldsnes discovery and later extended to 2700km2. We discuss the acquisition and processing and the benefits that full bandwidth data has brought to the understanding of the geology.
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