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The AAPG/Datapages Combined Publications Database
Showing 26,448 Results. Searched 191,954 documents.
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
S-Wave Analysis of Fracture Systems, by Bob A. Hardage and Michael V. DeAngelo, #40227 (2006).
Search and Discovery.com
2006
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
Building the Messinian Salt Layer in the East Mediterranean Basins
Search and Discovery.com
N/A
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
Integrated Interpretation of 3-D Seismic Data
Search and Discovery.com
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
Seismic Attribute Workflow for Mapping Middle Triassic Doig Sandstone Reservoirs in Northeast British Columbia, Canada
Search and Discovery.com
N/A
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