To attain the benefits of simultaneous shooting in marine data acquisition, either the simultaneous sources have to be placed far apart to minimize the interferences from one another or sufficient...
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Author: TGS
The continental margins off mid-Norway and NE Greenland share a common geological history leading up to breakup in earliest Eocene. The geology offshore NE Greenland is poorly understood due to a...
Author: TGS
A constrained propeller ship noise removal technique for OBC data has been developed. The constraints include the ship lane information, global linear fitting to determine the ship movement, and the...
Author: TGS
The conventional zero-lag crosscorrealtion imaging condition of reverse-time migration is subject to strong migration artifacts. This paper studies wavefield decomposition method under relatively...
Author: TGS
Wrangel Island is located between East Siberian and Chukchi Seas and composed of metamorphic Wrangelian Complex and overlying Silurian, Devonian, Carboniferous, Permian and Triassic sedimentary...
Author: TGS
Here we present the synthesis of available/published geological and geophysical data on Barents Sea region, including TGS/NGP seismic data (2005) and TGS/VBPR Geophysical Atlas of Barents Sea (2004)....
Author: TGS
East Siberian and Chukchi Seas occupy vast area of Russian Eastern Arctic shelf, where very limited amount of seismic data is available and no offshore wells drilled yet. The area belongs mostly to...
Author: TGS
Better de-multiple results are achieved by combining the strengths of SRME and wave field extrapolation techniques. In this paper, we illustrated three different techniques to attack this task. Among...
Author: TGS
Wide-azimuth (WAZ) data is the most significant advance to have occurred in seismic acquisition and processing since the introduction of 3D seismic in the early 1980’s. Along with the promise of...
Author: TGS
Metamorphic rocks of the Chukotka complex are exposed in the east Chukotka uplift and granitic-metamorphic domes (Koolen, Senyavin, Alyarmaut and etc.). K-Ar and Rb-Sr dates of these metamorphic...