Full-waveform inversion (FWI) has found great success in different geologic settings and has become a must-have tool for velocity model building (VMB), particularly in salt environments where geology and velocity are often highly complex. While still acoustic, FWI has already significantly improved salt models ...
Technical Content
The benefits of elastic full-waveform inversion for subsurface imaging in North Sea shallow-water environments
The benefits of elastic full-waveform inversion for subsurface imaging in North Sea shallow-water environments
In areas of complex geology, strong impedance contrasts can generate highly elastic behavior leading to the breakdown of the acoustic assumption in FWI. In these cases, accurate Earth models cannot be obtained without considering the elastic wave equation. Many previous studies of elastic FWI ...
Advancing geologic document digitalization and information retrieval with generative AI
Advancing geologic document digitalization and information retrieval with generative AI
This paper demonstrates how generative artificial intelligence (AI) enhances geoscientific document processing by improving text analysis, table extraction, and figure classification.
Unlocking onshore imaging challenges with FWI: case studies from the Sultanate of Oman
Unlocking onshore imaging challenges with FWI: case studies from the Sultanate of Oman
This paper highlights recent progress and breakthroughs in land FWI with two examples from the Sultanate of Oman (one from the north and one from the south).
Chris Page, EVP New Businesses Development, Viridien, explains how technologies used to support oil and gas exploration and development are enabling innovations in the energy transition and beyond.
Exploring the benefits and pitfalls of using multiples in imaging
Exploring the benefits and pitfalls of using multiples in imaging
We demonstrate how the use of multiples in imaging may provide improved shallow illumination and potentially reduce the requirement for extensive site-survey acquisition in some areas.
With a new name and its guiding vision to “see things differently”, Viridien (formerly CGG) focuses on human ingenuity to usher in a bright future across multiple sectors.
Angle-restricted FWI for shallow reservoir characterization
Angle-restricted FWI for shallow reservoir characterization
In the Barents Sea, bright amplitudes on seismic data below the Base Quaternary indicate the presence of hydrocarbon reservoirs. To allow characterization and quantitative interpretation of these potential reservoirs, analysis of amplitude versus reflection angle (AVA) information is crucial. Even with the availability of ...
Recent discoveries in Namibia’s Orange Basin have raised industry expectations that a similar level of success could be replicated in its conjugate margin, Uruguay. Still considered as a frontier basin, the Uruguay deepwater has similar geological elements at basin scale and unique aspects at ...