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The AAPG/Datapages Combined Publications Database
Showing 4,237 Results. Searched 196,763 documents.
Horizontal Well Evaluation to Determine Geological Facies, Mechanical Properties, and Natural Fracture Changes Using Slim Through-the-Bit Dipole Sonic and Oil-Based Microimaging Tools
Edgar Velez, Elia Haddad, Firas Al Shaikh, Ghada Barbour, Kyle Barrie
Unconventional Resources Technology Conference (URTEC)
... a probabilistic Bayesian-type inversion as described by Donald et al. 2018 using a core database of 245 published core measurements of VTI anisotropy...
2021
Using Data Science to Assess Repeatability in Analogue Mature Fields: A Risk Management Tool to Optimize Your Appraisal Strategy
Martin Letourneur, David Crighton, Raphael Sprauel
Unconventional Resources Technology Conference (URTEC)
... expressed through P10-P50-P90 cases. The local variability observed in unconventional is linked to the various sources of anisotropy that can occur...
2022
Ascertain the Presence of Open Fractures in Tight Carbonate Reservoirs with Integrated Solution
Kim Long Nguyen, Mahmoud F. Shehab El Dein, Nami Al-Mutairi, Rasha Al-Morakhi, Mohammed Dasma, Lulwa Al-Mijrin, Meshal Abdul Hameed Al-Wadi, Karim Ousididene, Ahmed Moustafa, Mohab El-Masry, Sachindra Sharma, Nawal Kerrouche, Ramdane Bouchou, Mohamed Said
Unconventional Resources Technology Conference (URTEC)
... into each fracture. URTeC 4023323 3 The integration of these methods of borehole images, dipole shear acoustic anisotropy, Stoneley wave reflections...
2024
Seismic Technology Evolution to Support Prospect Evaluation, Exploration Well, and Geological Appraisal
Frederic J. Billette, Yan Quist
GCAGS Transactions
... and DSWEM (delayed shot WEM). Estimation of anisotropy was tested but was not ready for prime time. Results clearly showed uplift in image quality...
2011
Geostatistical Simulation of Reservoir Porosity Distribution from 3-D, 3-C Seismic Reflection and Core Data in the Lower Nisku Formation at Joffre Field, Alberta
Raul Cabrera-Garzon, John F. Arestad, Kadri Dagdelen, Thomas L. Davis
AAPG Special Volumes
... to relate anisotropy and porosity to Vp/Vs ratios and shear velocity differences. Vernik and Nur (1992) presented work relating petrophysics to porosity...
1997
Characterization of a Sediment Core from Potential Gas-hydrate-bearing Reservoirs in the Sagavanirktok, Prince Creek, and Schrader Bluff Formations of Alaska's North Slope: Part 5Acoustic Velocity Core Studies
R. F. Sigal, C. Rai, C. Sondergeld, B. Spears, W. J. Ebanks Jr., W. D. Zogg, N. Emery, G. McCardle, R. Schweizer, W. G. McLeod, J. Van Eerde
AAPG Special Volumes
... is 2170 m/s (7119 ft/s). No significant shear-wave anisotropy was observed. The trend of decreasing velocity with increasing temperature is weak. Based...
2009
Repurposing Legacy Seismic Reflection Data in Support of Aquifer Characterization in Texas
Thomas E. Ewing, Cody H. Draper, Daniel M. Lupton
GCAGS Transactions
... detailed information on fractures and related anisotropy could be acquired from 3D seismic surveys. Karst development is also identifiable in 2D and 3D...
2021
Soft-sediment Deformation Fabric in the Precambrian Bhander Oolite, Central India
Soumen Sarkar , S. K. Chanda, Ajit Bhattacharyya
Journal of Sedimentary Research (SEPM)
..., is not possible. Wide variation in the nature and intensity of deformation and degree of anisotropy in deformation fabric is observed between samples...
1982
AAPG International Conference and Exhibition, August 21-24, 1994, Kuala Lumpur, Malaysia, - Abstracts, #90982 (1994).
Search and Discovery.com
1994
Oriented Core: Its Use, Error, and Uncertainty
R. A. Nelson , L. C. Lenox , B. J. Ward, Jr.
AAPG Bulletin
..., and reservoir engineering (Davison and Haszeldine, 1984). In general, microfabric, macrofabric, anisotropy, or current stress and strain state data may...
1987
Abstract: Azimuthal Fourier Coefficient Elastic Inversion; #90174 (2014)
Benjamin Roure and Jon Downton
Search and Discovery.com
...°). The deviations observed from the main trend are due to zones of small anisotropy or isotropy in which case the symmetry axis is not meaningful. Interpretation...
2014
Abstract: Joint OBN and 3-D DAS-VSP Data Acquisition and Processing in East China Sea; #91204 (2023)
Gang Yu1, Haibo Liu, Zhonglin Cao, Junjian Li, Jianguo Li, Yuanzhong Chen, Guangming He, Junjun Wu, Ximing Wang
Search and Discovery.com
... attenuation factor and anisotropy parameters around the wellbore can be obtained. These parameters can be used to enhance significantly the surface 3-D...
2023
Production Focused Seismic Applying Seismic for Well Productivity Analysis and Completion Optimization; #41212 (2013)
Sean Boerner and Ross Peebles
Search and Discovery.com
..._PSTM_MIN95DEG_SOM5x5 (Euc) Angle – Down Angle (dega) Angle – East Angle (dega) Angle – North Angle (dega) Anisotropy - vfast_mag (Euc) Azimuth - dip...
2013
Unconventional Multi-Variate Analysis: A Non-Linear Review of the Most Relevant Unconventional Plays in the U.S.; #80428 (2014)
Roderick Perez
Search and Discovery.com
..., Investigating corrections between microseismic event data, seismic curvature, velocity anisotropy, and well production in the Barnett Shale, Fort Worth Basin...
2014
Evaluating Shale Play Opportunities, Optimizing Your Own Operations, #80512 (2016).
Susan Smith Nash
Search and Discovery.com
...: Economic: • • •Good fracability •Anisotropy of crustal stress •Pore pressure •Pore conductivity •Less relative heterogeneity •Large resource scale •Good...
2016
Facies Architecture and Controls on Reservoir Behavior in the Turonian Wall Creek Member of the Frontier Formation in the Powder River Basin, Wyoming; #51528 (2018)
Nathan La Fontaine, Michael Hofmann, Tuan T. Le, Todd Hoffman
Search and Discovery.com
... of resulting permeability anisotropy when upscaling to the full gridded 1km2 model. Sensitivity testing of variable lithologic conditions reveals pore...
2018
Structural Inheritance and the Role of Basement Anisotropies in the Laramide Structural and Tectonic Evolution of the North American Cordilleran Foreland, Wyoming - Towards a Unified Hypothesis; #30641 (2019)
Jeffrey W. Bader
Search and Discovery.com
...-striking conjugate shears. Precambrian basement fabrics characterize all three directions of major anisotropy and they likely have a complex history...
2019
Geophysical Corner Articles from September 1996 – present, Compiled
Search and Discovery.com
N/A
Subsurface Characterization of Mesaverde Reservoirs in Colorado: Geophysical and Reservoir-Engineering Checks on Predictive Sedimentology
John C. Lorenz, Norman R. Warpinski, Paul T. Branagan
Special Publications of SEPM
... application of the subsurface test resalto to interpretations of reservoir geometry. mene fradares create a significant permeability anisotropy within...
1992
Marcasite in Black Shales—a Mineral Proxy for Oxygenated Bottom Waters and Intermittent Oxidation of Carbonaceous Muds
Juergen Schieber
Journal of Sedimentary Research (SEPM)
... (plane-polarized light) and anisotropy (crossed polarizers) were then examined under an electron microscope (FEI Quanta FEG 400) with an electron...
2011
Simultaneous Inversion for Microseismic Event Location and Velocity Model in Vaca Muerta Formation
Zhishuai Zhang, Jing Du, Fuchun Gao
Unconventional Resources Technology Conference (URTEC)
... in a surface microseismic survey. Anisotropy may need to be considered for specific sites. Thanks to the power of Bayesian inference, these factors...
2017
Understanding Production Drivers in the Vaca Muerta Shale Using an Integrated Reservoir Simulation Approach
Raphael Altman, Dario Pederiva, Reza Mehranfar, Marcelo Frydman
Unconventional Resources Technology Conference (URTEC)
..., rock compaction) Figure 2: Generic workflow for reservoir simulation of unconventional reservoirs. Sonic anisotropy (before and after frac...
2018
Natural Fractures on the Pinedale Anticline as Seen in Cores and on Image Logs
Mark Longman, Erika Davis, Randy J. Koepsell
AAPG Special Volumes
... Mesa Unit 6D3-16 and Stewart Point 7D3-17 wells. Anisotropy patterns interpreted from these dipole sonic logs showed a very tight cluster of orientations...
2014
Screening Techniques: Chapter 9
Myron K. Horn
AAPG Special Volumes
... SEISMIC (P-WAVE) FRACTURE IDENTIFICATION, ST-35 SHEAR WAVE SEISMIC: AZIMUTHAL ANISOTROPY AND VERTICAL SEISMIC PROFILES IN FRACTURED RESERVOIRS ST-36...
1991
Analysis of Spatial Order in Sandstones II: Grain Clusters, Packing Flaws, and the Small-Scale Structure of Sandstones
Christopher M. Prince, Robert Ehrlich, Yannick Anguy
Journal of Sedimentary Research (SEPM)
... that there is a distinct anisotropy, a preferred direction in which grains tend to be closely packed. If the rock were isotropic, the grain size signal would...
1995