Stratigraphic Velocity Interpretation: National Petroleum Reserve--Alaska: Chapter 12

E. W. Peikert

AAPG Special Volumes

... to estimate interval velocity (Vint) between any pair of Vnmo events. Other formulations can be used to estimate Vint where dip is significant. In concept...

Vertical Seismic Profiling--Processing and Analysis Case Study: ABSTRACT

James P. Disiena, Bok S. Byun, James E. Fix

AAPG Bulletin

... waves by apparent velocity. Major problems associated with these VSP data are tube wave noise and insufficient depth sampling. Optimum processing...

VSP – The Link Between Geology and Geophysics, by Ronald C. Hinds and Richard Kuzmiski, #40552 (2002).

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Application of Full Waveform Inversion to Resolve an Eroded Shallow Carbonate Platform, North Madura, East Java, Indonesia

David Cavalin, Nurrul Ismail, Tom Paten, Kola Agbebi, Dave Lim

Indonesian Petroleum Association

... measured between the observed shots and shots modeled using a specific model set (velocity, anisotropy, density, Q) is called objective function...

Dude, wheres my AVO? A case study from the Browse Basin, North West Shelf, Australia

Said Amiribesheli, Jordan McGlew, Joshua Thorp

Petroleum Exploration Society of Australia (PESA)

... the seismic response with the synthetics at the Braveheart-1/ST1 well location. Overall, there is a good correlation between seismic and synthetics...

Seismic Imaging in Anisotropic Media. or... "A Better Way to Moveout and Migrate Long Offset Data"

Rolf Klotz, Martin Bayly, Sue Downie, Swee Leng

Indonesian Petroleum Association

... the raypath bends as each interface is crossed. The magnitude of the interval velocity difference between layers controls the amount of raybending observed...

Seismic Structure and Stratigraphy of Northern Edge of Bahaman-Cuban Collision Zone

M. M. Ball , R. G. Martin , W. D. Bock , R. E. Sylwester , R. M. Bowles , D. Taylor , E. L. Coward , J. E. Dodd , L. Gilbert

AAPG Bulletin

... of about 10 km. Above 3 sec, to a depth of about 5 km, moveout variations between primary reflections and multiples are sufficient to identify...

High-frequency FWI on Clair OBN dataset Challenges and successes

Matvey Romanenko, Lee Saxton, Dan Davies, James Sheng, Faqi Liu, Jan Gromotka, Yang He

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Below 10 Hz the impact was minor, however, at 10 Hz and higher there was a clear imprint from multiples in the velocity model. To mitigate...

Data Enhancement from a 486-Channel Streamer

Bill Dragoset, Ken Larner

Pacific Section of AAPG

... compensation and interference between primaries, the direct arrival, and shallow refractions. It is likely that none of the sections is an accurate portrayal...

Seismic lineaments characterization using independent component analysis

Abdulmohsen AlAli, Yazeed Altowairqi, Constantinos Tsingas, Ali AlSultan

International Meeting for Applied Geoscience and Energy (IMAGE)

... purposes. Donno (2011) and Da Costa Filho et al. (2013) relied on the assumption that primaries and multiples are non-Gaussian and used ICA to suppress...

Lithology Discrimination through Elastic Inversion (Paper C5)

D. Ghosh

Geological Society of Malaysia (GSM)

...Lithology Discrimination through Elastic Inversion (Paper C5) D. Ghosh PERTEMUAN PERSATUAN (Meetings of the Society) Lithology Discrimination...

The contribution of recent developments in signal processing technology and geological constraints to the reimaging of narrow-azimuth streamer data in the north-eastern Gulf of Mexico

Hongyan Li, Jarred Hostetler, Nadxieli De La Rosa Perez, Hugo Enrique Munoz Cuenca, Zhao Ge, Wilson Ibanez, Courtney Steichen, Ruoyu Gu, Jarrod Hutson, Michiru Tomida

International Meeting for Applied Geoscience and Energy (IMAGE)

... multiple modeling, the SNR and resolution are highly improved, resulting in improved AVO reliability. Additionally, a more accurate velocity model...

Pre-Stack Calibration to Well Data: Intercept & Gradient Scaling … A Case Study From the Norwegian North Sea

Nguyen Nam, Larry Fink

Indonesian Petroleum Association

... the seismic wavelet, are not discussed in this paper. The causes for AVO scaling problems, such as multiples, incorrect velocity, residual NMO...

Delineation of a Diagenetic Trap Using P-Wave and Converted-Wave Seismic Data in the Miocene McLure Shale, San Joaquin Basin, California, by Robert Kidney, John Arestad, Anne Grau, Robert Sterling, #20012 (2003).

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Marine Multicomponent Seismic – The New Issues in the Developing Revolution

Jason Robinson

Indonesian Petroleum Association

... the measurement of azimuthal anisotropy, eliminating strong water bottom multiples and provide lithology and fluid discrimination. Most surveys have...

Environmental Determination Using Hydraulic Equivalence Studies

Richard H. Lowright

Journal of Sedimentary Research (SEPM)

... by Modarresi (1968b). The settling velocity of 0.9 cm/sec was chosen to mark the break between coarser- and finer-grained lights because most grains settled...

Depth Imaging Coil Data: Multi Azimuthal Tomographic Earth Model Building and Imaging of Tulip (Paper A15)

S. Chen, M. Buia, L. Livraghi, M. Bakhrudin, M. Tham, M. Bayly, S. Ng, O. Zdraveva

Geological Society of Malaysia (GSM)

...; in order to give a physical meaning to the velocity anomalies observed. A good match was observed between the velocity model and the single available VSP...

High-resolution angle gather tomography with Fourier neural operators

Sean Crawley, Guanghui Huang, Ramzi Djebbi, Jaime Ramos, Nizar Chemingui

International Meeting for Applied Geoscience and Energy (IMAGE)

... condition, so they don’t contain multiples. We then added errors of various sorts and magnitudes to each background velocity model omitting the salt bodies...

Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)

Paul F. Anderson

Search and Discovery.com

... for the CMP gathers, the stacking velocity was used to perform a 1-D pseudo-depth conversion, which when used with the offset of the traces within...

Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)

Paul F. Anderson

Search and Discovery.com

... for the CMP gathers, the stacking velocity was used to perform a 1-D pseudo-depth conversion, which when used with the offset of the traces within...

Basic Seismic Processing: Part 7. Geophysical Methods

Peter M. Duncan

AAPG Special Volumes

... predict how it will manifest in the signal and hence derive the most efficient filter to remove it. Removal of water bottom multiples is an example...

Seismic Foldout: FWI Imaging Under Complex Geological Anomalies

Adriana Citlali Ramirez, Simon Baldock, Stuart Fairhead, TGS

GEO ExPro Magazine

... applied) from 2010 verlaid with the tomography-based velocity model from 2010 (the mass transit complexes in the shallow section generate signal...

Abstract: Elastic Impedance Analysis in Fruitland Coals, San Juan Basin; #90174 (2014)

D. J. Lespinasse, C. R. Clarkson, and R. J. Ferguson

Search and Discovery.com

... the movement of the CO 2 that has been injected, through the coalbed. However this attribute did not provide a good discrimination between the AAPG Datapages...

West Muiron Discovery, WA-155-P - New Life for an Old Prospect

Lorraine Mitchelmore, Neville Smith

Petroleum Exploration Society of Australia (PESA)

... velocities to the Base Muderong Formation, makes discrimination of the Top Reservoir surface difficult. Large lateral velocity gradients and localised...

High-frequency FWI velocity model building for hydrocarbon delineation

Lianping Zhang, Souvik Sengupta, Chirag Parekh, Robert Eliott-Lockhart

International Meeting for Applied Geoscience and Energy (IMAGE)

... on the legacy velocity based on the examination of PSDM gather flatness and the matching between FWI modelled shots and observed shots. The initial...