Seismic Foldout: Northern North Sea: A Dual-Azimuth Solution

Anna Rumyantseva, Jaswinder Mann-Kalil, Idar Kjørlaug, CGG

GEO ExPro Magazine

... these needs (see foldout and Figure 1). By applying high-­ resolution time-lag full-­waveform inversion (TLFWI) to a dataset c ­ ombining the two azimuths...

Seismic Foldout: Potential Prospectivity Identified in the Orphan Basin

Yermek Balabekov, Yang Yang, Sriram Arasanipalai, PGS Ultima

GEO ExPro Magazine

... to the main products. Text: Yermek Balabekov, Yang Yang, Sriram Arasanipalai; PGS Full Waveform Inversion (FWI) followed by Least-Squares Migration (LSM...

Illuminating the Complex Geology of the UK Faroe Shetland Basin

Antonio Castiello, Gareth Venfield, Jens Beenfeldt

GEO ExPro Magazine

... precisely. The VMB employed in this project is a combination of highresolution Full Waveform Inversion (FWI) and reflection tomography, constrained by both...

Angolan Kwanza Basin … Expanding Proven Opportunities

Madhurima Bhattacharya, Harrison Moore

GEO ExPro Magazine

..., and time-lag full-waveform inversion (TLFWI) to produce a more accurate velocity model. The net result is enhanced Pre-Salt imaging and better-defined...

Seismic Foldout: Revealing a Promising New Play Concept in the Salar Basin, Offshore Canada

Yermek Balabekov, Susana Tierrablanca, Sriram Arasanipalai, Nizar Chemingui, PGS

GEO ExPro Magazine

... various attributes. Traditionally, a sequential workflow using Full Waveform Inversion (FWI) followed by Least- Squares Reverse Time Migration (LS-RTM...

De-risking Gas Saturation

Said Amiri Besheli, Panos Doulgeris

GEO ExPro Magazine

...-AVO inversion technique belongs to the class of elastic Full Waveform Inversion (eFWI) methods. Simplified to 1.5D, assuming a locally stratified...

Seismic Foldout: Santos Basin, Brazil: Understanding the CO2 exploration risk with ultra-deep seismic

Roberto Juncken, Bruna Lyra, Mariano Gatti, Abraham Rodriguez, CGG, Natasha Stanton, Andres Gordon

GEO ExPro Magazine

... dual-azimuth (DAZ) image. The aim of the survey design was to improve seismic illumination by using longer cables for enhanced full-waveform inversion...

Rejuvenating legacy seismic for screening carbon storage sites in the Gulf of Mexico

Neville Brookes, Ravi Kumar, Gregor Duval, Simon Otto, CGG

GEO ExPro Magazine

... from modern-day processing techniques, such as deghosting, model-based water-layer demultiple (MWD) and full-waveform inversion, resulting...

From Chaos to Caves … An Evolution of Seismic Karst Interpretation at the Vorwata Field

Riangguna Eloni, M.R. Husni Sahidu, Ilham Panggeleng, Christopher S. Birt, Ted Manning

Indonesian Petroleum Association

... for reservoir mapping because of the apparent lack of spatial resolution through the overburden. Recent testing of Full Waveform Inversion on this OBC...

Converted Waves Seismic Imaging : Importance of Gamma Estimation (Paper P4)

A. G. Mohd Adnan, A. R. Ghazali

Geological Society of Malaysia (GSM)

... OBS) (Li et al., 2001 and Akalin et al., 2010) and full waveform redatuming operators (Ghazali, 2011). Converted wave (S-wave) travels through...

Basic Cased Hole Tools: Part 4. Wireline Methods

Mark W. Alberty

AAPG Special Volumes

... spectroscopy. Other companies are testing resistivity devices that measu e formation resistivity through casing. The advent of full waveform acoustics have...

AAPG Asia Pacific Region GTW, Back to the Future – The Past and Future of Oil and Gas Production in the Asia Pacific Region

Search and Discovery.com

AAPG Asia Pacific Region Geosciences Technology Workshop

Search and Discovery.com

Relationship between a Reservoir Plumbing System and Drilling Gas Geochemistry, #90110 (2010)

Alfred Lacazette, Don L. Hall

Search and Discovery.com

... array comprised of 300 vertical-component stations and 60 full-waveform stations. The surface data will be processed using a new semblance-based method...

Abstract: Analysis of the Low Frequency Content of Seismic Data Acquired During an Experiment at Hussar, Alberta, Canada; #90187 (2014)

J. Helen Isaac, Gary F. Margrave, Monika Deviat, and Pam Nagarajappa

Search and Discovery.com

... frequency signal and thus suitable for poststack impedence inversion, full waveform inversion or similar processes. We analyzed the low frequency...

Following Seismic Depth Imaging Technology for the Mexican Oil Industry: Experiences and Lessons Learned; #70232 (2016)

Sergio Chávez-Pérez, Mario A. Centeno-Miranda, Douglas A. Gómez-Reyes, Liliana Vargas-Meleza

Search and Discovery.com

..., we focused on seismic imaging tools like RTM (reverse time migration) LSRTM (least squares RTM), layer-based and grid-based tomography, FWI (full...

3-D Velocity Model of Hydrocarbon Ventsite in Cascadia Region Offshore Vancouver Island, by Mikhail M. Zykov and Ross Chapman; #90035 (2004)

Search and Discovery.com

Datapages - Search and Discovery - What's New

Search and Discovery.com

Insights from the Automated Extraction of Surfaces from the Bunda 3D Seismic Survey

J. K. Dirstein, T. Rudge, R. Li, A. J. Stanley

Petroleum Exploration Society of Australia (PESA)

... to the fitness map from the full waveform segment (compare Fig. 5a to Figs 5c, 5d, 5e) suggesting a degree of stability and consistency over this portion...

Plate Tectonic Consequences of Competing Models for the Origin and History of the Banda Sea Subducted Oceanic Lithosphere

Christian Heine, Leonardo Quevedo, Hamish McKay, R. Dietmar Müller

Petroleum Exploration Society of Australia (PESA)

.... A. Fichtner, M. J. De Wit, and M. van Bergen. Subduction of continental lithosphere in the Banda Sea region: Combining evidence from full waveform...

Re-Discovering the Gummy Gas Field … Gippsland Basin

Eamonn Montague, Brendan Frears, Mark Browne, Peter Strauss, Stephen Adams, Jeremy Prosser

Australian Petroleum Production & Exploration Association (APPEA) Journal

... dataset acquired in a northwest–southeast orientation. Data processing used many modern technologies, including Full Waveform Inversion and Multi Azimuth...

Transactions: Gulf Coast Association of Geological Societies; 2016 Front Matter

Jennifer M. Smith-Engle, James J. Willis, Jill C. Willis, Norman C. Rosen, Dorene B. West

GCAGS Transactions

... Slurry Using Coagulants and Flocculants 773 Kang, Jihoon, and Richard A. McLaughlin Full Waveform Inversion for Detailed Velocity Analysis 777...

Computer-Generated Corelike Descriptions from Open-Hole Logs (1)

HERVE ANXIONNAZ, PIERRE DELFINER, and JEAN PIERRE DELHOMME

AAPG Bulletin

..., as well as full waveform and array sonic tools (Cheung, 1984; Hsu et al., 1987). Acoustic (borehole televiewer) and electrical (FMS) borehole imaging...

The Southern Washington Cascades Conductor--A Previously Unrecognized Thick Sedimentary Sequence? (1)

W. D. STANLEY , W. J. GWILLIAM , GARY LATHAM , and KEITH WESTHUSING

AAPG Bulletin

..., feldspathic-quartzose sediments of the deltaic Puget Group (Figure 3) prograded across Oregon and Washington, filling the gaps between the seamounts...

Eikonal equation-based adjoint-state characteristic reflection traveltime tomography: Method and application in real dataset

Jianming Zhang, Liangguo Dong, Jianhua Wang, Yilin Wang, Chao Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... of Petroleum Geologists REFERENCES Chi, B., L. Dong, and Y. Liu, 2015, Correlation-based reflection full-waveform inversion: Geophysics, 80, no. 4...