Technical Library

Full Waveform Inversion (FWI) requires the minimization of a highly non-linear objective function which makes the inversion suffer from cycle-skipping. To overcome this issue, we need to have an...

A comprehensive rock physics and AVO feasibility study, where we combine burial and rock physics modelling, has been conducted for the Tablelands and North Tablelands area, offshore Newfoundland. The...

Least-squares migration (LSM) has the ability to compensate for limitations in the imaging system and estimate an image that is closer to the earth reflectivity. These favourable properties over...

Areas covered by seismic exploration surveys are continuously increasing and the data recorded are becoming of very large size. In addition, conventional seismic processing and imaging is a long...

Following pre-Messinian gas discoveries in the Eastern Mediterranean Sea, there has been a great interest in recent years to enhance imaging beneath Messinian salt layers. In order to adequately...

This paper will focus on a data driven approach for reservoir properties estimation of a recently acquired and processed multi-azimuth multisensor survey in the prolific South Viking Graben, Norway....

Despite technological advancements in marine seismic multisensor acquisition and processing, noise attenuation remains a fundamental step in the early processes for producing high-quality upgoing...

Water column variations are an important source of non-repeatability in time-lapse marine surveys. In a deep water context, the physical property variations within the water layers can generate...

During the acquisition of a source-over-cable survey in the Barents Sea, part of one sail line was repeated without triggering the airgun arrays. The acoustic signals associated with the vessel...

The world is in urgent need of Carbon Capture Storage (CCS) sites/facilities to achieve ambitious net carbon dioxide (CO2) emissions goals. One way to store CO2 in significant quantities is to...

New survey design solutions for marine towed streamer acquisition were recently introduced by Widmaier et al. (2019). One of the key technical elements was the concept of wide-tow multi-sources,...

This abstract proposes a novel, easy to deploy and computationally fast solution to reconstruct the low frequency content of seismic data for FWI application. This solution is needed when the SNR is...

Integration of 3D seismic reflectivity data and well logs in AVO studies have led the way in the characterization of the Paleocene deposits in the mature South Viking Graben. However, there are...

We present a robust depth imaging workflow that incorporates high-resolution Full Waveform Inversion (FWI) and reflection tomography constrained by geological interpretation. This approach has...

A recent report commissioned by the Department for Business, Energy & Industrial Strategy in the UK considers the possible implications of fugitive hydrogen (H2) emissions from an illustrative future...