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The AAPG/Datapages Combined Publications Database

Showing 26,218 Results. Searched 190,729 documents.

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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

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

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

What lies beneath? Prospecting for Hydrocarbons under a metamorphic allochthon, Timor-Leste

M. Bucknill, Brendan Duffy, Jason Noble, Alex Berkovitch

Petroleum Exploration Society of Australia (PESA)

... lies reflectivity interpreted as faulted blocks within a large sub-allochthon anticline. Closure up to 90 km2 occurs to a modest total depth around 2500...

2019

Abstract: Practical Applications of Seismic Anisotropy; #90187 (2014)

Philip Wild

Search and Discovery.com

...). Other inversion schemes exist for walk-away data, such as inverting with the P-wave polarization angle variation with offset in place of horizontal...

2014

N/A

Induced AVO Anomalies from Pore Pressure Effects

A.C. Buginga Ramos, M.A. Santiago Toledo

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... calibration using rock properties and reflectivity modeling. An important source of ambiguity is the abrupt drop in effective pressure, which affects...

2006

Applying Rock Physics towards Seismic Characterization: Case Study from an Unconventional Resource, Neuquén Basin, Argentina; #41886 (2016)

Teresa Santana, R. Weger, Silvana Gandi, Alejandro D'Odorico, Ariel Kautyian

Search and Discovery.com

... angles were performed during processing to obtain the optimal angle stack design, from 10° to 40°, as the input for simultaneous inversion. Fourteen...

2016

Fracture Detection by Azimuthal Differential Residual Moveout

Juefu Wang

Search and Discovery.com

... proposed various fracture-detection methods using P-wave reflection data, most of which exploit either Amplitude Variation with incident angle...

Unknown

Fracture Detection by Azimuthal Differential Residual Moveout

Juefu Wang

Search and Discovery.com

... proposed various fracture-detection methods using P-wave reflection data, most of which exploit either Amplitude Variation with incident angle...

Unknown

Revealing Geologic Features in the Midland Basin Through Frequency Decomposition

Rachael Moore

Unconventional Resources Technology Conference (URTEC)

.... Introduction Using conventional reflectivity data alone to determine geologic features from seismic is a long drawn out process which requires careful...

2018

Distinguishing Water Saturation Changes from Porosity or Clay Content Changes Using Multicomponent Seismic Data

Fuping Zhu, Richard L. Gibson, Jr., Joel S. Watkins, Sung H. Yuh

GCAGS Transactions

... angle for porosity changes, compared with -100s or -10s for high water saturation changes. Secondly, differing amounts of porosity variation result...

2000

The Saldaña Victims': Unsuccessful Subthrust Exploration in the Upper Magdalena Valley of Colombia - Reasons for Failures and the Way Ahead

Mario G. de Freitas

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... artifacts (e.g. pull-ups) and unsuspected internal reflectivity of the Saldana 'basement' section misled interpretations. Realization of the undiscovered...

2000

Evaluating hydrocarbon trap integrity during fault reactivation using geomechanical three-dimensional modeling: An example from the Timor Sea, Australia

Laurent Langhi, Yanhua Zhang, Anthony Gartrell, Jim Underschultz, David Dewhurst

AAPG Bulletin

...; Giroldi et al., 2005) were used to investigate the lateral variation of reflectivity at specific frequencies of the full bandwidth on the interval...

2010

Know Before You Go!

Lars Zühlsdorff, Trond Haugland

GEO ExPro Magazine

...-angle-dependent reflectivity grids). This process is almost as quick as classic 1D convolution but considers both illumination and resolution effects...

2021

Reservoir Description using hybrid seismic inversion: A 3D case study from María Inés Oeste field, Argentina

M. Benabentos, S. Mallick, M. Sigismondi, J. Soldo

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... seismic inversion, a combination of prestack waveform inversion and poststack inversions of some amplitude-variation-with-offset (AVO) attributes...

2003

Chapter 10: 3-D Seismic-Structural Workflows – Examples Using the Hat Creek Fault System

Graham Yielding, Brett Freeman

AAPG Special Volumes

.... The seismic signal is a measure of the acoustic reflectivity of the different layer boundaries in the model, that is, the signal amplitude depends...

2016

Prospect Identification Using AVO Inversion and Lithology Prediction

Brad Bailey, Frazer Barclay, Robert Nesbit, Andrea Paxton

Petroleum Exploration Society of Australia (PESA)

.... An efficient prospect screening tool has been produced in the form of a well log-calibrated gas sand probability cube derived from amplitude variation w...

2010

Seismic Processing Strategies in the Deep Water Kutai Basin … Gendalo Hub Pre-Stack Depth Migration

Xiuyuan Li, Harmit Singh, Joe Zhou, Graham Hodgkiss, Neil Young, Helmut Hsiao

Indonesian Petroleum Association

... of 4750m, equating to 45-50 degrees of incident angle at the main target, thus providing adequate Amplitude versus Angle (AVA) information. These factors...

2011

Feasibility Study Methodology for Fracture Analysis Studies Using Seismic Azimuthal Amplitude Variation: Application in Southern Mexico

Alexis Ferrer Balas, Nahum Campos, Jesus Garcia Hernandez

GCAGS Transactions

...Feasibility Study Methodology for Fracture Analysis Studies Using Seismic Azimuthal Amplitude Variation: Application in Southern Mexico Alexis Ferrer...

2011

Abstract: Multi-trace Acoustic-impedance Inversion with Transform-domain Sparsity Promotion; #90174 (2014)

Sanyi Yuan, Shangxu Wang, Ning Tu, and Xiang Li

Search and Discovery.com

... reflectivity or blocky impedance assumptions (Oldenburg, Scheuer and Levy, 1983), is often added to partially fill in the null space of ill-posed time-domain...

2014

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