Andrew Long begins a four-part series on seismic resolution by discussing several factors relevant to the resolution of broadband towed streamer seismic data. (PGS 2023)

The second webinar in a four-part series explains the benefits of an increased range of both temporal frequencies and spatial frequencies for higher seismic resolution. (PGS 2023)

The third webinar in a four-part series considers past efforts to obtain sub-meter seismic resolution and introduces solutions to realize this ambition. (PGS 2023)

The finale in a four-part series elaborates on the UHR towed streamer technology that can be deployed to yield both spatial resolution and detectability for geological features with dimensions less than one meter. (PGS 2023)

Stian presents the concept of acquiring seismic data without active sources. He shows how to estimate a vessel-generated acoustic wavefield from the recorded direct arrivals and use this wavefield for imaging the subsurface. (PGS 2023)

Find out how PGS can help assess hazards & optimize the design of wind farm developments with new ultra-high resolution 3D seismic acquisition and existing data library products.

Find out how PGS can help plan, develop and operate carbon storage sites efficiently and safely. Our panel of experts answer questions about our CO2 storage services. 

PGS has combined FWI and LSM in a single simultaneous inversion to deliver accurate velocity models, and images with reliable attributes quicker. Speed up your decision-making process with PGS Ultima. (PGS 2021)

Our risking workflow for the efficient characterization of CO2 storage sites is based on our data library of seismic, wells, and interpretation, coupled with integrated G&G expertise and acquisition and imaging technology. (PGS 2022)

Andrew Long explains the common principles for building robust saturated rock physics models, and introduces ways for these models to augment quantitative seismic interpretation. ( PGS 2021)

Andrew Long shows how machine learning and geologically-consistent rock physics modeling workflows can be used for real-time AVO feasibility studies with less uncertainty. (PGS 2021)

Andrew Long considers what low frequency content can be expected in seismic data, how that impacts the quality of Full Waveform Inversion (FWI), and how FWI is fitting into QI workflows. (2021)

Progressing from his review of very-low frequency (VLF) content in broadband seismic data, Andrew Long uses a variety of case study material to showcase how broadband seismic AVO attributes are necessary to realize the full value of rock physics-based workflows. (PGS 2021)

Andrew Long concludes his series with case studies to showcase how smart rock physics workflows enable rapid frontier exploration and prospectivity studies with minimal well control. (PGS 2021)

Find out how PGS can solve your 4D challenges and provide tailor-made solutions to enable you to extract more, optimize your assets and enhance production. (PGS 2021)

How repeatable is towed-streamer 4D seismic? In the first of three webinars on 4D, Andrew Long addresses the geometry of how we acquire 4D surveys, and how well the source and receiver positions can be repeated. (PGS 2021)

What is 4D detectability? In the second of a three-part series on towed-streamer 4D seismic, Andrew Long reviews the goals and some key challenges to our ability to detect subtle 4D seismic signals. (PGS 2021)

How can we manage 4D reservoir property uncertainty? In the third of a three-part series on 4D seismic, Andrew Long acknowledges the uncertainty in the 4D signals and explores how we might interpret the results. (PGS 2021)

Astronomy examines the heavens, while seismic exploration examines the earth. Yet there are surprising coincidences between the scales of the data being recorded. Andrew Long explains how both pursuits benefit from the integration of complementary data types. (PGS 2021)

Andrew Long shares progress by PGS to significantly shorten marine seismic projects using a variety of project management and digital transformation initiatives. Insights from several large pilot projects point the way to further turnaround gains with industry cooperation. (PGS 2020)

Andrew Long explains how subsurface seismic illumination affects pre-stack seismic amplitudes in surprising complex ways, and illustrates how elements of Least-Squares Migration (LSM) can complement Amplitude vs. Offset (AVO) studies. (PGS 2020)

Andrew Long highlights seismic imaging innovations that can enhance shallow image resolution using multicomponent data from towed streamers or seafloor. Techniques include Full Waveform Inversion (FWI), Full Wavefield Migration (FWM), and Least-Squares Migration (LSM) (PGS 2020)

Find out how GeoStreamer X is redefining multi-azimuth streamer acquisition, creating opportunities in different regions in this one-hour webinar, includes two short presentations and an expert panel discussion. (PGS 2020)

Roberto Ruiz demonstrates how rockAVO uses petrophysics and rock physics expertise to speed up lead analysis, derisk prospects, and QC integrated seismic and well data. Includes rapid screening for analogs, and scenario testing of lithology, fluids, and porosity. (PGS 2021)

FWI is explained in simple terms for geoscientists who wish to improve their marine seismic processing results. Cut through the jargon and simplify your understanding of the FWI workflow. Following this webinar, you will appreciate why some velocity model features may be spurious and know what to look out for. (PGS 2020)

Andrew Long presents in simple terms, using visual explanations, the many ways that artefacts and geologically false details can creep into FWI results. Following this webinar you will better appreciate why FWI is a chain of steps that is only as strong as the weakest link. (PGS 2020)

Andrew Long concludes his three-part webinar series for geoscientists, providing a reality check on the limits of pushing FWI too far, as well as showcasing some of the emerging benefits for seismic interpretation. (PGS 2020)

Andrew Long presents a flying overview of the variety of single-vessel and multi-vessel survey designs used today. This will be the platform to discuss a variety of marine seismic case studies targeted at seismic interpreters in later webinars. (PGS 2020)

Technology advances mean we now understand where all our source and receiver positions are in real time for towed streamer surveys, and Andrew Long explains how they can be independently steered too. (PGS 2020)

The largest seismic vessels can now tow 18-20 streamers, and attention has turned to whether several sources should be used to improve data quality or improve survey efficiency. We break down the competing arguments into simple visual explanations, to show how different survey designs can be tailored for various geological challenges. (PGS 2020)

Andrew Long explains the relationships between source and receiver geometries in towed streamer seismic surveys, and how these relate to survey efficiency and execution. (PGS 2020)

Andrew Long offers a simple explanation of Least-Squares Migration in the context of general seismic migration and some benefits of the two most common approaches. Following this webinar, you will understand the relevance of LSM for enhancing marine seismic data. (PGS 2020)