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The AAPG/Datapages Combined Publications Database
Showing 190 Results. Searched 200,357 documents.
Abstract: Model Parametrization Strategies for Newton-Based Acoustic Full Waveform Inversion; #90224 (2015)
Amsalu Y. Anagaw
Search and Discovery.com
... in equation (1) does not change by the type of the model parameterization used in the numerical optimization scheme. However, the choice of model...
2015
Abstract: Improving Borehole Instability Analysis by Investigating the Impacts of Stress and Rock Anisotropy; #90224 (2015)
Qing Jia, Douglas Schmitt, Inga Moeck, and Randy Kofman
Search and Discovery.com
... This work is supported by Helmholtz-Alberta Initiative, which is a research collaboration between German and Canadian researchers regarding to geothermal...
2015
Shale Gas in Europe, #10380 (2012)
Brian Horsfield, Hans-Martin Schulz, Ingo Kapp
Search and Discovery.com
... et al. AAPG International Conference and Exhibition, Milan, 26. October, 2011 German National Lab for Geosciences Applied Helmholtz 3.0 Mrd...
2012
Log Analysis of Fractures in a Deep Borehole, Northeastern Alberta, Canada, #50942 (2014)
Judith S. Chan, Douglas R. Schmitt, Jochem Kueck
Search and Discovery.com
... investigations undertaken by the Helmholtz-Alberta Initiative (HAI). In July 2011, an extensive suite of geophysical logs were acquired in the borehole with 875...
2014
Oil Degradation in the Gullfaks Field (Norway): How Hydrogeochemical Modeling can Help to Decipher Organic-Inorganic Interactions Controlling CO2 Fate and Behavior; #50999 (2014)
Wolfgang van Berk, Yunjiao Fu, Hans-Martin Schulz
Search and Discovery.com
...-Zellerfeld, Germany 3 Organic Geochemistry, Helmholtz Centre Potsdam, GFZ German Research Centre for Geosciences, Potsdam, Germany 2 Abstract Oil...
2014
Exploring the Potential for Biogenic Methane Formation Using Hydrogeochemical Thermodynamics, #41524 (2015).
Hans-Martin Schulz, Wolfgang van Berk, Esther T. Arning
Search and Discovery.com
... Newsletter©2013 Serial rights given by author. For all other rights contact author directly. 1 Helmholtz Centre Potsdam - GFZ German Research Centre...
2015
Porosity Creation in Carbonate Reservoirs by Pre-Oil Charging With Source-Rock-Derived Corrosive Fluids: 1D/3D-Reactive Mass Transport Modeling, #51166 (2015).
Wolfgang van Berk, Yunjiao Fu, Hans-Martin Schulz
Search and Discovery.com
...-Zellerfeld, Germany ([email protected]) Organic Geochemistry, Helmholtz Centre Potsdam, GFZ German Research Centre for Geosciences...
2015
Electric Log Detection of Diagenetically Altered Reservoirs and Diagenetic Traps
William R. Almon , Alvin L. Schultz
GCAGS Transactions
... surface and the hydration water of the cations. At closest approach, the cations are held at a plane parallel to the clay surface (the "outer Helmholtz...
1979
The emergence and impact of scientific machine learning in geophysical exploration
Umair bin Waheed
International Meeting for Applied Geoscience and Energy (IMAGE)
... solutions from machine learned functions constrained by the Helmholtz equation: Artificial Intelligence in Geosciences, 2, 11–19, doi: https://doi.org...
2023
Flow Behavior from Organic and Mineral-Hosted Porosity Systems From Pores to Production
Richard M. MacDonald, Steve Isaac Geetan, Denis Klemin, Barbara Hill
Unconventional Resources Technology Conference (URTEC)
... or by the Helmholtz energy function for isothermal problems. In this work, we use direct hydrodynamic (DHD) flow simulator to model hydrocarbon release...
2018
Carbon and Nitrogen Isotope Measurements of Gas-Bearing Fluid Inclusions: A Tool For Tracing Gas Sources and Maturity of Source Rocks; #40963 (2012)
Volker Luders and Birgit Plessen
Search and Discovery.com
... rights contact author directly. 1 Helmholtz Centre Potsdam GFZ, Potsdam, Germany ([email protected]; [email protected]) Abstract Since...
2012
Insights into Salinity Variations for Waterfloods, Frac-Fluids and Drilling Mud in Clay-Hosted Pores using Molecular Simulations
Hao Xiong, Deepak Devegowda
Unconventional Resources Technology Conference (URTEC)
... 𝜓 as the function of distance (x, y, z) is given by Poisson equation (Hans et al., 2003): ∇2 𝜓 = 𝜕2 𝜓 𝜕2 𝜓 𝜕2 𝜓 𝜌𝑒 + 2+ 2 =− 2...
2020
A novel approach for geomechanical modelling in the absence of stress magnitude data
Mojtaba Rajabi, Moritz Ziegler, Rasoul Ranjbarkarami, Parisa Tavoosiiraj
Australian Energy Producers Journal
... of Munich, Arcisstrasse 21, Munich, Germany. C Helmholtz Centre Potsdam, GFZ German Research Centre for Geosciences, Potsdam, Germany. The authors Dr...
2024
A feasibility study of Boree Salt body mapping in the Adavale Basin using passive seismic data
Peng Guo, Erdinc Saygin, Asrar Talukder
Australian Energy Producers Journal
.... Keywords: Adavale Basin, Boree Salt, elastic wave equation, full waveform inversion, hydrogen, passive seismic, subsurface imaging, surface wave...
2024
Inverse scattering theory: Time-dependent perturbation theory for wave scattering in time varying media
Xingguo Huang, Ru-Shan Wu, Pan Zhang, Wenrui Ye, Morten Jakobsen
International Meeting for Applied Geoscience and Energy (IMAGE)
... wave equations L |yi = |Si Schr¨ dinger equation o Dirac equation Laplace equation Poisson equation Debye-Huckel equation Vector wave equation Helmholtz...
2022
Tengiz field fault shadows mitigation with combined joint FWI-tomography, Q-tomography, and least-square migration
Tianjiang Li, King Sim Lee, Bin Gong, Kai Yang, Kai Zhang, Assem Bibolova, Zhanibek Katrenov
International Meeting for Applied Geoscience and Energy (IMAGE)
... is the wave propagator or Helmholtz equation solver, and R is a projection operator from data space to synthetics space. The second term...
2022
Insights into the Great Australian Bight Gained through Marine Geology and Benthic Ecology Studies
Andrew Ross, Alan Williams, Asrar Talukder, Joanna Parr, Christine Trefry, Richard Kempton, Charlotte Stalvies, Richard Schinteie, Ashley Ezzy, Andrew Kulpecz, Carole Schaefer, Phil Rarey
Australian Petroleum Production & Exploration Association (APPEA) Journal
... at the GEOMAR – Helmholtz Centre for Ocean Research at Kiel, Germany. During his postdoctoral work, Asrar worked on the gas hydrate deposit mechanisms...
2018
ADMM-based full-waveform inversion of ground-penetrating radar data
A. Jalali, H. S. Aghamiry, A. Gholami
International Meeting for Applied Geoscience and Energy (IMAGE)
...’s equations are used instead of the acoustic wave equation (?). So leaving behind these conventional data processing, GPR can benefit from seismic full...
2022
Integration of Biostratigraphy into a Sequence Stratigraphic Framework for the Surat Basin, Eastern Australia
Claudio L. de Andrade Vieira Filho, Mark Reilly, Suzanne Hurter, Zsolt Hamerli
Australian Petroleum Production & Exploration Association (APPEA) Journal
... logs, a modified Gardner’s equation was used to calculate a replacement from the sonic log (Gardner et al. 1974). Consistency of well ties was ensured...
2019
An Integrated Approach to the Surat Basin Stratigraphy
Mark Reilly, Suzanne Hurter, Zsolt Hamerli, Claudio L. de Andrade Vieira Filho, Andrew LaCroix, Sebastian Gonzalez
Australian Petroleum Production & Exploration Association (APPEA) Journal
... worked in academia in Germany (Helmholtz Centre for Geosciences in Potsdam and the Leibnitz Institute of Applied Geophysics in Hannover) and Brazil...
2019
RNN-based seismic velocity model building: Improving generalization using hybrid training data
Hani Alzahrani, Jeffrey Shragge
International Meeting for Applied Geoscience and Energy (IMAGE)
... by solving the 2D Helmholtz equation using a 15 Hz Ricker wavelet. Data were generated for 6 frequencies ranging from 1 Hz to 12 Hz in 2 Hz...
2022
Low-Salinity Carbonated Water Injection in Sandstone Reservoirs: Interplay between Oil Recovery Improvement, Salinity and Fines Migration
Ehsan Yazdani Sadati, Arman Siahvashi, Suzanne Hurter
Australian Petroleum Production & Exploration Association (APPEA) Journal
... is exposed to an electrolyte solution, an additional ionic layer is established as a result of ion adsorption (Salopek et al. 1992). According to the equation...
2021
A Synergistic Approach for Generating Basement Reservoir Fracture Model : A Case Study from Mumbai High Basement Reservoir
S. K. Mukherjee, S.C Rao, Rakesh Guru, S.N. Chitnis, B. B. Ray
Unconventional Resources Technology Conference (URTEC)
... 2009 – 2nd edition, Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences. Kumar, Sushil, Sahoo, Mayadhar and Chakrabarti, S.K. (2015...
2016
Viscoacoustic wave propagation: Spectral-element simulations with a novel GSLS-type wave equation
Yu Chen, Bin He, Hejun Zhu
International Meeting for Applied Geoscience and Energy (IMAGE)
... the inverse of the Helmholtz equation, albeit requiring substantial memory resources. Alternatively, in the time domain, we can derive viscoacoustic wave...
2024
Acoustic/elastic wavefield injection and reconstruction from ocean-bottom data for elastic RTM
Bingkai Han, Weijian Mao, Xiao-Bi Xie
International Meeting for Applied Geoscience and Energy (IMAGE)
...), or referred to the Kirchhoff-Helmholtz (K-H) integral (Mittet, 1994). Under this theoretical regime, the recorded multicomponent data are treated...
2024