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The AAPG/Datapages Combined Publications Database

Showing 20,859 Results. Searched 200,630 documents.

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High frequency refraction/reflection full-waveform inversion case study from North West Shelf offshore Australia

David Dickinson, Fabio Mancini, Xiang Li, Kai Zhao

Petroleum Exploration Society of Australia (PESA)

... it quite a challenge for both velocity model building and imaging at reservoir level. The distorted wave-fields in turn reduce the confidence...

2018

Characterization of a Shallow Steamed Oil Reservoir Using Crosswell Seismology

Bjorn N. P. Paulsson, John W. Fairborn

Indonesian Petroleum Association

... contrast between liquid and gas-saturated, poorly-consolidated sediments, is well documented. Four tomographic P-wave velocity cross sections were...

1990

Reservoir Characterisation Through Integrated AVO, AI and EI Inversion

Andy Furniss

Indonesian Petroleum Association

... corresponding to fractional changes in P-wave velocity (Vp), S-wave velocity (Vs) and density (ρ). Using the equation of Gardner et al. (1974), which...

2002

ABSTRACT: Seismic Signature of CO

Search and Discovery.com

N/A

The earthquake process in Oklahoma

Search and Discovery.com

N/A

ABSTRACT: Relations between Seismic Signals and Reservoir Properties of Tight Gas Sandstones in North Germany (Permian Rotliegend); #90061 (2006)

Peter Abram and Reinhard Gaupp

Search and Discovery.com

... of grain-clay-cement structures and lead to lower velocities. The higher the amount of load-bearing clay minerals, the lower was p-wave velocity. All samples...

2006

Abstract: Earthquake Seismology, Exploration Seismology, and Engineering Seismology: How Sweet it is - Listening to the Earth; #90211 (2015)

Oz Yilmaz

Search and Discovery.com

... of interest down to 1 km. Each of the three categories of seismology makes use of a specific wave type: (1) In earthquake seismology, dispersion of surface...

2015

Abstract: Wavepath Imaging for Passive Data; #91204 (2023)

Yicheng Zhou, Sherif Hanafy

Search and Discovery.com

... method, here the seismic energy is smeared along the whole image volume, which may increase the level of artefacts, and (3) using wave-equation-based...

2023

Orthorhombic AVAZ inversion in the Laplace-Fourier domain

Lin Li, Jinmiao Zhang, Guangzhi Zhang, Zhenyu Zhu, Jiajia Zhang, Chao Li, Xinpeng Pan

International Meeting for Applied Geoscience and Energy (IMAGE)

... (P-wave velocity, S-wave velocity, density, horizontal and vertical fracture densities) from azimuthal seismic data, which includes (1) Laplace...

2022

Extrapolated surface-wave dispersion inversion

Hongyu Sun, Laurent Demanet

International Meeting for Applied Geoscience and Energy (IMAGE)

... the near-surface shear-wave velocity structures beyond the penetration depth of conventional surface-wave inversion methods. Active-source surface waves...

2022

Tomographic waveform inversion (TWI) applied to real seismic data

Jlio Oliva Frigrio, Biondo Biondi

International Meeting for Applied Geoscience and Energy (IMAGE)

...., and A. Almomin, 2013, Tomographic full waveform inversion (TFWI) by combining FWI and wave-equation migration velocity analysis: The Leading Edge, 32, 1074...

2022

Variations in Morphology of Major River Deltas as Functions of Ocean Wave and River Discharge Regimes

L. D. Wright , J. M. Coleman

AAPG Bulletin

... velocity of the wave (Weigel, 1964). In most instances the wave power near shore may bear little resemblance to the deep-water power. One of the most...

1973

Laboratory Experiments and Numerical Simulation on Bitumen Saturated Carbonates: A Rock Physics Study for 4D Seismology

Arif Rabbani, Jason Nycz, Zizhen Wong, Doug Schmitt, Ken Gray

Petroleum Exploration Society of Australia (PESA)

...% decrease of P-wave velocity for 10ºC to 130ºC change in temperature. Different slopes in velocity versus temperature plot may also indicate the possible...

2016

Abstracts: Challenges and Solutions in Locating and Interpreting Microseismic Events from Surveys in the Horn River Basin; #90173 (2015)

Ulrich Zimmer

Search and Discovery.com

... of the challenges come from the limited access with sensor arrays and the complex velocity structures that can include significant faults which occasionally cause...

2015

Abstracts: Determining Microseismic Event Locations by Semblance-weighted Stacking; #90173 (2015)

David W. Eaton, Jubran Akram, Andy St-Onge, and Farshid Forouhideh

Search and Discovery.com

... is generally constructed by smoothing and blocking available sonic-log data (P- and S-wave). Once a satisfactory velocity model has been obtained...

2015

Sonic velocity, submarine canyons, and burial diagenesis in Oligocene-Holocene cool-water carbonates, Gippsland Basin, southeast Australia

Malcolm W. Wallace, Guy R. Holdgate, Jim Daniels, Stephen J. Gallagher, Andrew Smith

AAPG Bulletin

...Sonic velocity, submarine canyons, and burial diagenesis in Oligocene-Holocene cool-water carbonates, Gippsland Basin, southeast Australia Malcolm W...

2002

Quantitative Petrophysical AVO Error Analysis in a Layered Model

Search and Discovery.com

... of the effects of free-surface reflections and mode conversions, calibration without the S-wave velocity information, etc. could affect the AVO...

2013

Ultrasound Tomography Optimalization by Using Robotic Application

Albertus Ariel Rahadi, Tedy Setiawan

Indonesian Petroleum Association

... of the conducted research are given in the form of P wave velocity from a sample and its tomography result by using MSIRT method (Modified Simultaneous Iterative...

2016

Recent Developments in Marine Acquisition and Data Processing Technology to Improve Imaging through Complex Overburdens

Timothy Bunting, Jerry Kapoor, Nick Moldoveanu, Jeremy Browett

GCAGS Transactions

...-way wave equation to develop very detailed velocity models. Figure 3 details the improvements resulting purely from the use of full waveform inversion...

2011

AVO Modeling of Monochromatic Spherical Waves: Comparison to Band-Limited Waves; #41567 (2015)

Charles Ursenbach, Arnim Haase

Search and Discovery.com

... path in the complex plane, S0 ≡α / (Dω0), α is the P-wave velocity of the overburden, D is the length of the raypath from source to receiver, ω0...

2015

Hybrid Velocity Model Building: 3D Ocean Bottom Cable (OBC) Orthorhombic Full Waveform Inversion (FWI) Depth Imaging of a Complex Geological Structure, Western Berau - Papua, Indonesia

Purbo Santoso, Yayat Supriatna, Tepy Septyana, Leo Tjahjadi, Yonghe Guo

Indonesian Petroleum Association

... developments of FWI technology in exploration geophysics have crystallized around the building of Vp (compressional-wave velocity) model from low...

2019

P- and PS-Wave Vector Wavefields for Anisotropic Petrophysics

James Gaiser

Petroleum Exploration Society of Australia (PESA)

...) and fracture characterization. Joint inversion provides better estimates of both shear-wave velocity VS and density ρ than P-wave inversion alone...

2016

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