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The AAPG/Datapages Combined Publications Database
Showing 16,599 Results. Searched 200,357 documents.
Study of the Seismic Attenuation Generated by the Mud Layer in Lake Maracaibo, Venezuela
J. Perez, E. Andara, B. Malave
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... increases. The attenuation loss in the unconsolidated sediments reduces the reflection coefficient for signals reflected at the water/sediment interface...
2006
Low-Energy Seismic Survey of Quaternary Materials, Rocky Mountain National Park, Colorado
William W. Locke
Rocky Mountain Association of Geologists
.... Techn~ques of geophysical surveying include reststivtty surveys, reflection and refraction selsmic surveys, and many others (Dobr~n, 1976...
1987
Extended Abstract: The Forgotten Curvature: Applications for the Negative of the Second Derivative to Post-Stack Seismic Reflection Trace Volumes
Randy Bissell
GCAGS Transactions
...Extended Abstract: The Forgotten Curvature: Applications for the Negative of the Second Derivative to Post-Stack Seismic Reflection Trace Volumes...
2016
Dielectric Permittivity of Evaporite Minerals
Search and Discovery.com
... is the coaxial line method (Agilent 4991 in conjunction with a network analyzer). The idea is to measure the reflection coefficient from which the impedance...
2013
Reservoir Quality and Rock Properties Modeling Results Jurassic and Triassic Sandstones: Greater Shearwater (HPHT) Area, UK Central North Sea; #20320 (2015)
Thomas R. Taylor, Mark G. Kittridge, Peter Winefield, L. Taras Bryndzia, Linda M. Bonnell
Search and Discovery.com
..., fluid indicators (hydrocarbon indications). The phenomenon is based on the relationship between the reflection coefficient and the angle...
2015
Characterizing Shallow Seismic Anomalies; #42086 (2017)
Satinder Chopra, Ritesh Kumar Sharma, Graziella Kirtland Grech, Bent Erlend Kjolhamar
Search and Discovery.com
... premise is that reflections from fluid-saturated rocks are frequency-dependent. It is well known that such reflection coefficient (water/gas) ratios...
2017
Marine Seismic Sources: Part II: Air-Gun Arrays for Non Experts
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
.... The reflection strength is given by the reflection coefficient for the interface between the water layer and the layered bottom. For small angles...
2010
Methods for seismic Sweet Spot Identification, Characterization and Prediction in Shale Plays
Marita Gading, Lars Wensaas, Paul Collins
Unconventional Resources Technology Conference (URTEC)
... by a drop in impedance that produces a negative reflection coefficient or a ‘soft’ response on seismic data (Figure 2). This negative normal incident...
2013
Current Workflows for Shale Gas Reservoir Characterization
Satinder Chopra, Ritesh Kumar Sharma, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
..., the PP reflection coefficient decreases with increasing angle. This implies that if the near and far stack are examined for a given seismic data volume...
2013
Identification of Shallow Gas Potential by Seismic Attribute and Amplitude Versus Offset (AVO). A Case Study: Tunu, Mahakam Block Area
Ririn Irmaningsih, Ihda Arija Alfi Husna
Indonesian Petroleum Association
... reservoir which is indicated by low impedance and low reflection coefficient. Shallow gas in Tunu is classified by class III (gas sand) in the group...
2016
Abstract: Quantitative Predication for Reservior Porosity via AVO; #90187 (2014)
Li Ang, Chen Shumin, Zhang Erhua, and Ju Linbo
Search and Discovery.com
... of multi-parameters, like Poisson's ratio property (P+G), shear wave reflection coefficient the attributes (P-G) the hydrocarbon detection properties (P*G...
2014
Shale Gas Reservoir Characterization Workflows, #80379 (2014)
Satinder Chopra, Ritesh Kumar Sharma, and Kurt J. Marfurt
Search and Discovery.com
... reflection coefficient decreases with increasing angle. This implies that if the near and far stack are examined for a given seismic data volume, at the top...
2014
From Transition Zone to Core Complex: Deep Reflection Seismic Imaging of the Basin and Range, Southeast Arizona
Joseph M. Kruger, Roy A. Johnson
Pacific Section of AAPG
... as high a reflection coefficient when sheared (Holbrook and others, 1991). Due to the lack of deep velocity control, determination of the top of the lower...
2001
Convolution model theory-based intelligent AVO inversion method for VTI media
Yuhang Sun, Yang Liu, Hongli Dong
International Meeting for Applied Geoscience and Energy (IMAGE)
... the reflection coefficient, whose accuracy is not high (Zoeppritz, 1919; Aki and Richards, 1980; Shuey, 1985; Russell et al., 2011). In contrast, incorporating...
2023
A geophysical prior knowledge guided semisupervised deep learning framework for AVA inversion
Lei Zhu
International Meeting for Applied Geoscience and Energy (IMAGE)
...), in which r1 , r2 and r3 are the various reservoir parameters. The reflection coefficient can be expressed as a combination of various Fourth...
2024
Assessing and processing three-dimensional photogrammetry, sedimentology, and geophysical data to build high-fidelity reservoir models based on carbonate outcrop analogues
Ahmad Ramdani, Pankaj Khanna, Gaurav Siddharth Gairola, Sherif Hanafy, and Volker Vahrenkamp
AAPG Bulletin
... conducted in this study were constant-offset reflection surveys where the separation between transceiver and receiver antennas was kept constant at 1 m...
2022
Seismic Model of a Progradational Carbonate Platform, Picco di Vallandro, the Dolomites, Northern Italy (1)
KEVIN T. BIDDLE , WOLFGANG SCHLAGER , KURT W. RUDOLPH , and TERRY L. BUSH
AAPG Bulletin
... displays, a positive reflection coefficient generated a central peak (black) wavelet. The resulting seismic model assumes vertical incidence; in other...
1992
Slip-Flow in Shale as Determined by Pore-Scale Lattice Boltzmann Modeling
Christopher J. Landry, Masa Prodanovic, Peter Eichhubl
Unconventional Resources Technology Conference (URTEC)
... with decreasing pore pressure, described in conventional core-analysis by the Klinkenberg coefficient (𝑏𝑏 𝑘𝑘 ), which is determined by fitting apparent...
2015
Full Integration of Seismic Data into Geostatistical Reservoir Modeling
P. van Riel, P. Mesdag, H. Debeye, M. Sams
AAPG Special Volumes
...Full Integration of Seismic Data into Geostatistical Reservoir Modeling P. van Riel, P. Mesdag, H. Debeye, M. Sams 2006 207 218 Seismic reflection...
2006
An Experimental High-Resolution Seismic Survey over Tin-Mine Ponds
Surendra Singh, G. A. Van Klinken
Geological Society of Malaysia (GSM)
..., and a density of top water-bottom alluvium to be of value 2 gm/cc, the water bottom will have a reflection coefficient of about 0.3. The water surface has...
1984
Free Hydrocarbons in Uinta Basin, Utah
Ganjavar Khavari-Khorasani
AAPG Bulletin
... coefficient from the blue to the red (Figures 6, 7). This decline in the refractive index toward the red region and low absorption in the visible...
1984
The Study of the Influence of Stratigraphic Structure on Seismic Attribute Analysis
Search and Discovery.com
N/A
Shale Gas Sweet Spot Identification using Quantitative Seismic Interpretation (QSI) and Neural Network in Krishna-Godavari Basin, India
Soumen Deshmukh, Shrey Omer, P. S. Tomor, Harilal
Unconventional Resources Technology Conference (URTEC)
... impedance, I V is the average shear impedance, P P S Equation 2 I P S IP zero-offset P-wave reflection coefficient, and is the average...
2020
Frequency Attenuation: A Fracture Indicator
Ilyas J. Najmuddin
Houston Geological Society Bulletin
... little direct signature of fractures on a seismic section. Loss of reflection magnitude is one such indicator. Reduction of velocity of the layer...
2001
Assessing the Influence of Untrackable Horizons on Impedance Inversion; #42163 (2017)
Satinder Chopra, Ritesh Kumar Sharma, Kurt J. Marfurt
Search and Discovery.com
... as the convolution of the seismic source wavelet with a suite of reflection coefficients. The location and strength of these reflection coefficients...
2017