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The AAPG/Datapages Combined Publications Database
Showing 20,860 Results. Searched 200,693 documents.
Abstract: Investigations of Seismic Signatures of CO2 Saturation as Part of a Geological Storage Project; #90187 (2014)
Gautier Njiekak, Douglas R. Schmitt, and Randolf S. Kofman
Search and Discovery.com
... are the physical properties that will influence wave propagation; bulk modulus has a direct proportional effect while density has an inverse proportional effect...
2014
Abstract: Physical Testing of the Effect of Tilting on the Reflection Coefficient in an Anisotropic Material; #90172 (2014)
Miryam Ortiz-Osornio, Douglas R. Schmitt
Search and Discovery.com
... ultrasonic transducer as the source and the receiver, respectively, in order to simulate plane wave propagation. The source transducer is excited...
2014
Seismic Attributes of Gas Hydrate Systems, by Diana Sava and Bob Hardage, #40255 (2007).
Search and Discovery.com
2007
High resolution imaging using multiples A North Sea case study
Chandan Kumar, Rodney Johnston, Petr Jilek, Xiaolei Song, Mikhail Davydenko
International Meeting for Applied Geoscience and Energy (IMAGE)
... waveform inversion (FWI) velocity model can be used to describe wave propagation effects. Thus, it is a closed-loop imaging process that iteratively...
2024
Estimating elastic wave velocities, attenuation factors, and their frequency dependency by inverting ultrasonic waveforms
Michel M. Nzikou, Alexey Yurikov, Maxim Lebedev, Boris Gurevich
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the ultrasonic wave propagation through a homogeneous and porous rock: Ph.D. thesis, Curtin University, Perth. Quan, Y., and J. M. Harris, 1997, Seismic...
2022
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)
..., producing a decrease in the bulk density that results in the low propagation speed of the compressional wave through this medium. In other words...
2006
Calibration, Repeatability, and Interpretation of In-Situ Tectonic Stress Measurements from Wireline Straddle Packer MicroFrac Testing: Case Study of an Onshore Field in the UAE; #41635(2015)
Dee A. Moronkeji, Javier A. Franquet, Steve Smith, Umesh Prasad, Noora S. Al-Shehhi, Mohamed El-Hamawi
Search and Discovery.com
... breakdown, fracture propagation, fracture reopening cycles, and pressure fall-off cycles for fracture closure identification. The objective...
2015
Elastic Waves in Porous Media Saturated with Non-Wetting Fluid
Jimmy X. Li, Reza Rezaee, Tobias M. Müller, Mohammad Sarmadivaleh
Australian Petroleum Production & Exploration Association (APPEA) Journal
... January 2020, published online 15 May 2020 Introduction Elastic wave propagation in porous media containing a fluid has been attracting attention not only...
2020
Seismic imaging uncertainty using deep learning predicted Greens functions
Han Liu, Anar Yusifov, Muhong Zhou, Linda Hodgson
International Meeting for Applied Geoscience and Energy (IMAGE)
... wave propagation. There are three steps in RTM: 1) forward propagation of source data; 2) backward propagation of receiver data; 3) apply an imaging...
2022
The Effect of Velocity Uncertainty and Attenuation on Flow Estimates From Microseismicity
Oleg V. Poliannikov, Michael Fehler, Alison Malcolm
Unconventional Resources Technology Conference (URTEC)
... events, seismic wave propagation from the fracture zone to the receiver array, and the recording of seismic signals. Several dominant factors control...
2015
Finite Difference Modelling: Part III: Time-Step n-Tupling
Lasse Amundsen, Ørjan Pedersen, Martin Landrø
GEO ExPro Magazine
... and spatial derivatives, and s is the source term. For acoustic wave propagation, L=c2 2, where c=c(x) is the velocity, and 2 is the Laplacian given...
2018
Abstract: Physical Modeling for Azimuthal AVO Over a Simulated Fractured Medium; #90174 (2014)
Faranak Mahmoudian, Gary F. Margrave, and Joe Wong
Search and Discovery.com
.... Introduction Seismic modeling has an important role in improving our understanding of seismic wave propagation and in verification of new algorithms...
2014
Key Technologies for Processing of Seismic Data in Gas Cloud Area, Bohai Bay Basin, #42093 (2017).
Xia Tongxing, Ming Jun, Liu Lei, Zhou Xuefeng, Liu Hongxing, Liu Xuetong
Search and Discovery.com
..., or by using a special seismic acquisition geometry to avoid propagation of seismic wave through gas cloud. By optimizing conventional P-wave processing...
2017
Composite (VS/VP) Ratios in Transversely Isotropic Geology: Possible Aid for Identifying Organic Contamination in Porous Rocks
Alvin K. Benson
Environmental Geosciences (DEG)
... motion in line with the direction of propagation, and (2) a shear wave with particle motion perpendicular to the direction of propagation. At each boundary...
1996
Abstract: Seismic Evidence of Formation Damage in the Lower Colorado Group Shales; #90172 (2014)
Jeremy Gallop
Search and Discovery.com
..., 203-218. Schoenberg M. and Douma, J. 1988, Elastic wave propagation in media with parallel fractures and aligned cracks: Geophys. Prosp. 36, 571-590...
2014
Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)
Emmanuel L. Bongajum and Bernd Milkereit
Search and Discovery.com
... CSPG/CSEG/CWLS GeoConvention 2009, Calgary, Alberta, Canada, May 4-8, 2009 studies that will include explosive sources and wave propagation...
2013
Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)
Emmanuel L. Bongajum and Bernd Milkereit
Search and Discovery.com
... CSPG/CSEG/CWLS GeoConvention 2009, Calgary, Alberta, Canada, May 4-8, 2009 studies that will include explosive sources and wave propagation...
2013
Overburden Compensation: A Pragmatic Solution to the Frequency Dependent Amplitude Losses Associated With Laterally Variable Overburden
Swee Leng NG, Martin Bayly
Indonesian Petroleum Association
... in many parts of the world and especially in Asian basins. These "washouts" are typically the result of variable seismic wave propagation through complex...
2008
Abstract: Building Better Models Making Full Use of Petrophysical Data; #90211 (2015)
Elizabeth L’Heureux
Search and Discovery.com
... models to simulate 3D elastic and viscoelastic seismic wave propagation in random media. Seismic models thus far have shown that exploration target...
2015
DAS: The survival toolkit for geophysicists in the wilderness of unconventionals
Ge Jin
International Meeting for Applied Geoscience and Energy (IMAGE)
... between borehole fluid and surrounding casing or rocks. We observe a substantial difference of tube-wave propagation between stimulated and unstimulated...
2022
Estimation of Seismic Attenuation in the Delaware Basin Using Peak Frequencies
Małgorzata Drwiła, Leo Eisner, Zuzana Jechumtalová, Denis Anikiev, Randy Keller
Unconventional Resources Technology Conference (URTEC)
... be characterized by attenuation factors (Q) of ranging between 90 and 100 (with uncertainty of 30) for P-wave and S-waves, respectively. The ratio...
2018
New perturbation-based traveltime approximation for elastic VTI media
Shibo Xu, Alexey Stovas, Xingguo Huang
International Meeting for Applied Geoscience and Energy (IMAGE)
... University Summary We propose a perturbation-based approximation for P- and S-wave traveltime in a transversely isotropic medium with a vertical symmetry...
2022
Evolution of coal strength with dewatering and coal seam gas depletion an integrated approach
Jimmy Xuekai Li, Thomas Flottmann, Max Millen, Shuai Chen, Yixiao Huang, Zhongwei Chen
Australian Energy Producers Journal
... consistently greater in wet samples compared to dry samples. This demonstrates the evident influence of water saturation on the elastic and wave propagation...
Unknown
The potential of borehole seismic monitoring techniques at the field scale for leakage and well integrity assessment in CO2 injection projects
Nicolás D. Barbosa, Andrew Greenwood, Eva Caspari, Michael Jordan, Marcin Ireneusz Duda, Bastien Dupuy, Amir Ghaderi, Peder Eliasson
International Meeting for Applied Geoscience and Energy (IMAGE)
.... While wave propagation modelling and large-scale experiments are needed to confirm these observations, the consistent observation of a tube wave...
2024
Solving Shear-Wave Splitting in PS Data Processing of 3D 4C OBN Seismic Survey Offshore Nunukan, Indonesia
Andreas Waluyo, David Tilling, Supriyono, Rio Sebayang, Agus Warmar Rasa
Indonesian Petroleum Association
...). This stress exhibits azimuthal anisotropy in seismic waves, defined as the dependence of seismic wave speeds on propagation azimuth. In homogenous...
2020