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The AAPG/Datapages Combined Publications Database

Showing 27,161 Results. Searched 195,354 documents.

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Targeting Fracture Permeability for Geothermal Developments in the North Perth Basin

Mark Ballesteros, Gary Meyer, Jim McDairimid, Adrian Larking, Ralf Oppermann

Petroleum Exploration Society of Australia (PESA)

..., suggests NPB, ava ilable well data proves that open natural oow that fractures with this orientation are likely to fractures occur frequently...

2012

G. Non-Normal Incidence Reflections and the Determination of Lithology - Use of Shear Waves and Amplitude with Offset

Norman S. Neidell

AAPG Special Volumes

... to an unknown one selectively and efficiently. The primary data inputs are amplitude values as functions of offset, but variation in reflectivity...

1987

Optimized characterization workflow for naturally fractured reservoirs using seismic anisotropy attributes in the Middle Magdalena Valley basin, Colombia

Oscar Moreno, Enrique Casaña, Luis Figuera, Iván Higuera, Diego García, Jorge Acosta, Benjamin Roure

International Meeting for Applied Geoscience and Energy (IMAGE)

... from Amplitude Variation with Angle and Azimuth (AVAZ) analyses is useful in the estimation of anisotropic AVO gradient, as well as the isotropy plane...

2023

Confronting the Elephant: Dorado-1 and the Prospectivity of the Offshore Canning Area

Andrew Weller, Said Amiribesheli

Petroleum Exploration Society of Australia (PESA)

... and reservoir in the Lower Keraudren Fm and shales from the Hove Member providing the seal. C: Amplitude Variation with Angle (AVA) acts as lithology indicator...

2018

Elastic Wave Seismic Interpretation of Heavy-Oil Reservoirs

Search and Discovery.com

... of VP/VS can be accomplished by AVO. From AVO, we can derive P-wave and S-wave reflectivity. As described by Downton (2005), reflectivity as a function...

2013

Seismic Data Preconditioning for Improved Reservoir Characterization (Inversion and Fracture Analysis); #41347 (2014)

Darren Schmidt, Alicia Veronesi, Franck Delbecq, and Jeff Durand

Search and Discovery.com

... modeling at well locations is done. This may be full wave reflectivity modeling (in which primaries, converted waves and multiples are all modeled...

2014

Effect of Degradinite on Coal Properties and Its Conversion at Ikeshima Coal Mine: ABSTRACT

Keizo Fujii, Sumio Yamazaki, Koji Shoda, Keiji Miki

AAPG Bulletin

... maceral composition. Thus it is concluded that there can be considerable variation in the quality of coal, depending upon the degradinite content. 1...

1982

Abstract: Monitoring CO2 Injection at Weyburn Reservoir Using 3-D/3-C Seismic Datasets; #90187 (2014)

Le Gao and Igor Morozov

Search and Discovery.com

... in Saskatchewan, Canada, we applied the time-lapse AVO (amplitude variation with offset) method to time-lapse 3-D/3-C seismic datasets. Standard AVO attributes...

2014

3D Seismic Visualization Using Multiple Volume Data Sets

Antony J. Marsh, Andy Furniss, Gerald Kidd

Indonesian Petroleum Association

... combinations include reflectivity and acoustic impedance, near and far offset stack volumes, and reflectivity and edge detection. In this example, we use two AVO...

2000

Abstracts: Oilsands: Not Your Average Seismic Data; #90173 (2015)

David Gray

Search and Discovery.com

... for the radon transform to model the huge amplitude variation with offset expected for converted waves. This effect is worse than leaving the converted wave...

2015

Abstract: Deterministic Marine Deghosting: Tutorial and Recent Advances; #90224 (2015)

Mike J. Perz and Hassan Masoomzadeh

Search and Discovery.com

... of notches in the amplitude spectrum of the ghosting operator, with rapid variation in the phase spectrum occurring in the vicinity of these notches...

2015

Geophysical characterization of stratigraphic traps within the slope failure turbidite channel of Torok formation, north Slope of Alaska

Sagnik Dasgupta, Charles Inyang, Seth Riseman, David Ruckel

International Meeting for Applied Geoscience and Energy (IMAGE)

... and ice lakes introduce challenges in acquiring the desired ranges of angle/offsets in the seismic acquisition, and seismic reservoir characterization...

2023

Lidar Intensity as a Remote Sensor of Rock Properties

Darrin Burton, Dallas B. Dunlap, Lesli J. Wood, Peter P. Flaig

Journal of Sedimentary Research (SEPM)

... and target reflectivity, with lesser influence from angle of incidence, roughness, and environmental conditions. Application of distance normalization...

2011

Mapping Middle Triassic Doig Sandstone Reservoirs in Northeast British Columbia Using Seismic Attributes; #51080 (2015)

Satinder Chopra, Ritesh Kumar Sharma, James Keay

Search and Discovery.com

... as the relative acoustic impedance run on the thin-bed reflectivity data. Notice, the higher resolution of impedance variation in Figure 4b and more focused...

2015

VSP Guided Reprocessing and Inversion of Surface Seismic Data

R. Gir, Dominique Pajot, Serge Des Ligneris

Southeast Asia Petroleum Exploration Society (SEAPEX)

... to the differing emerging angle of the ray, causing a further complication. Figure 1. Sources of wavelet distortion resulting from physical causes Figure 2...

1988

Time-lapse impedance variations using DAS VSP data during CO2 injection at the CMC Newell County Facility, Alberta, Canada

Yichuan Wang, Donald C. Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

... of kth layer can be inverted from seismic reflectivity series as 1 + Ri  k −1   Z 0 k exp  2 Ri  ,  i =0  i = 0 1 − Ri k -1 Z k = Z0k  (1...

2023

Geologic and seismic modeling of a coarse-grained deep-water channel reservoir analog (Blacks Beach, La Jolla, California)

Lisa Stright, Jonathan Stewart, Kirt Campion, Stephan Graham

AAPG Bulletin

... studies present zero-incidence seismic reflection sections. However, seismic reflectivity varies as a function of incident angle or, equivalently, offset...

2014

Rock Physics and Reservoir Characteristic of a Calcitic-Dolomitic Sandstone Reservoir

H. Morris, B. Hardy, E. Efthymiou, T. Kearney

Indonesian Petroleum Association

... increases the reflectivity at all angles whereas a change in porosity has its greatest impact on the near angle reflectivities. At the far angles...

2011

Rock Physics and Reservoir Characterization of a Calcitic-Dolomitic Sandstone Reservoir; #41499 (2014)

H. Morris, E. Efthymiou, B. Hardy, T. Kearney

Search and Discovery.com

... and gradient reflectivity created from the near and mid-stack using the equations below: Where Rn = Reflectivity at n degrees angle of incidence...

2014

Multichannel seismic deconvolution via 2D K-SVD and convolutional sparse coding

Guiqian Zhang, Xiayu Gao, Bangli Zou, Yaojun Wang, Yingzhu Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... as a technical means to consider both vertical resolution and lateral continuity issues in reflectivity inversion problem. Considering the drawbacks...

2023

Abstract: An Effective Medium Model for a Fractured Carbonate Reservoir Undergoing CO2 Flood at Weyburn Field, Saskatchewan; #90174 (2014)

Chris Blackwood

Search and Discovery.com

... (AVO) and azimuth (AVAZ) behaviour. Figure 2 presents P-wave reflectivity (Rp) vs. angle of incidence for several scenarios. Effective medium 1...

2014

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