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The AAPG/Datapages Combined Publications Database
Showing 4,391 Results. Searched 200,639 documents.
Measurement and Analysis of Fractures in Core
John C. Lorenz, Robin E. Hill
Rocky Mountain Association of Geologists
... deviation (see Skopec et al., 1990). is removed from the core barrel. Laboratory measurements of acoustic velocity anisotropy may be made on core years...
1992
Chapter 10: The Role of Integrated Reservoir Petrophysics in Horizontal Well Evaluations to Increase Production in the Eagle Ford Shale
Kevin B. Fisher
AAPG Special Volumes
...) is not measured because of the resistivity anisotropy. To obtain Rt, measurements of both vertical (Rv) and horizontal (Rh) resistivity are required...
2016
Pilot Phase of the Aguada Federal Block, Black-Oil Window
Osvaldo Nielsen, David Curia, Pablo Pateti, Javier Caniggia, Alexis Ortega, Morten Slinde
AAPG Special Volumes
... analysis; Tracks 4–8: original logs (black curves), modeled logs (red curves), and core measurements (blue points); Track 9: Thomsen’s anisotropy...
2020
Measuring and modeling fault density for CO2 storage plume-fault encounter probability estimation
Preston D. Jordan, Curtis M. Oldenburg, Jean-Philippe Nicot
AAPG Bulletin
...:10.1007/s12665-009-0131-4. Fossil fuelfired electrical power plants emitted 40% of the carbon dioxide (CO2) resulting from energy usage in the United States in 2008...
2013
Impacts of Stress, Natural and Induced Fractures on Mechanical Properties of Organic-Rich Shales
Mehdi Mokhtari, Adel A. Alqahtani, Azra N. Tutuncu
Unconventional Resources Technology Conference (URTEC)
... shale reservoirs since such reservoirs have extremely low permeability. In situ stress conditions, intrinsic anisotropy due to layering, anisotropy due...
2013
The magnetic fabric of the Wolfcamp shale, Midland Basin, west Texas: Understanding petrofabric variability, hydrocarbon associations, and iron enrichment
Gerhard W. Heij, and R. Douglas Elmore
AAPG Bulletin
.... This work introduces anisotropy of magnetic susceptibility (AMS) coupled with handheld x-ray fluorescence to define the origin of petrofabrics...
2019
Analysis of Fluid Flow Constraints in Regional-Scale Reflux Dolomitization: Constant Versus Variable-Flux Hydrogeological Models
Gareth D. Jones,, Benjamin J. Rostron
CSPG Bulletin
... (seawater) boundary condition, the concentration of platform-top brines and critical hydraulic parameters (permeability and permeability anisotropy...
2000
Time-lapse crosswell seismic monitoring of CO2 injection at the Nagaoka CCS site using elastic full-waveform inversion
Rie Nakata, Nori Nakata, Aaron Girard, Masaru Ichikawa, Ayato Kato, David Lumley, Zique Xue
International Meeting for Applied Geoscience and Energy (IMAGE)
... anisotropy of the reservoir. We validate the anisotropy and deviatoric source excitation by waveform simulation and develop an anisotropy model. We...
2022
Advanced Imaging and Inversion for Oil Production Estimates in Unconventional Resource Plays
Greg M. Johnson, Paul Miller, David Phillips
Unconventional Resources Technology Conference (URTEC)
... anisotropy, ensuring accurate well ties during prestack depth migration. The prestack inversion portion of the workflow includes both azimuthal...
2013
3D-9C seismic survey for direct S-wave processing and interpretation
Rui Zhang, Zhiwen Deng, Yuanyuan Yue, Yan Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... splitting to evaluate the subsurface anisotropy from the multi-component seismic data, which was applied on the multi-component VSP datasets (Li & Crampin...
2022
Elastic impedance parameterization and inversion for fracture quasi-weaknesses and quasi-Thomsen parameters in fractured reservoirs with monoclinic symmetry
Wei Xiang, Xingyao Yin, Kun Li, Zhengqian Ma
International Meeting for Applied Geoscience and Energy (IMAGE)
...) Summary Rocks containing vertical fractures in tilted fine layering can exhibit the characteristics of anisotropy with monoclinic symmetry. Here, we...
2023
Geophysical in-situ stress prediction method based on ADS method
Min Zhang, Xia Wang, Ya Shen, Jinrong Yang, Yintao Cai, Liping Qian, Feng Li, Jianhua Li
International Meeting for Applied Geoscience and Energy (IMAGE)
..., and the method for estimating the nonequilibrium factor of horizontal skeleton stress by using azimuthal anisotropy information is proposed. Meanwhile...
2024
Abstract: A Ray+Waveform Inversion for the Potency Tensor; #90187 (2014)
Scott Leaney and Chris Chapman
Search and Discovery.com
... several advantages. Firstly, it contains none of the distorting effects of anisotropy, which may alter characteristic source angles and produce false...
2014
Abstract: P-wave AVAz Modeling: A Haynesville Case Study; #90224 (2015)
Jon Downton
Search and Discovery.com
... equation derived for general anisotropy. Rather than dealing with this complexity, this paper uses a linearized reflectivity approximation derived...
2015
Seismic Technologies for Unconventional Reservoir Characterization: Wamsutter Field Case Study; #110159 (2011)
Rosemarie Geetan, Brian Hornby, Ricko Wardhana
Search and Discovery.com
... of velocity anisotropy, AVO (Amplitude with Offset) and AVOAz (AVO with Azimuth) attributes calibrated to well data have greatly increased our understanding...
2011
Calibration of Brittleness to Elastic Rock Properties via Mineralogy Logs in Unconventional Reservoirs, #41237 (2013)
Roderick Perez, Kurt Marfurt
Search and Discovery.com
..., velocity anisotropy, and well production in the Barnett Shale, Fort Worth Basin, Texas: M.S. Thesis, University of Oklahoma, Norman, Oklahoma, 105 p...
2013
Permeability Anisotropy in Microsucrosic Dolomites
Perry O. Roehl
Bulletin of South Texas Geological Society
...Permeability Anisotropy in Microsucrosic Dolomites Perry O. Roehl 1989 11 35 Vol. 29 (1989) No. 9. (May) Archie, G.E., 1952, Classification...
1989
Unraveling Uncertainties in Delineating Ground-Water Protection Areas in Fractured Rocks: Case Studies in the Navajo Sandstone and Twin Creek Limestone, Grand and Summit Counties, Utah
Van King, Todd Jarvis, Shawn Willsey
Utah Geological Association
... areas. These methods often ignore obvious fracture trends and flow anisotropy that control ground-water flow patterns in fractured rock. This paper...
2004
Anisotropic and Nonlinear Properties of Rock Samples in the Vaca Muerta Formation: Experimental Measurements and Implications on Reservoir Geomechanics
D. Nicolas Espinoza, Agustin Sosa Massaro, Gabriel Gallardo-Giozza
Unconventional Resources Technology Conference (URTEC)
.... Abstract Objectives/Scope: The objective of this paper is to present measurements of elastic non-linearity and anisotropy of shale rocks from the Vaca...
2020
Magnetic Fabric of Some IPOD Sediment Cores from the Southwestern Sector of Africa
S. L. Folami
Journal of Sedimentary Research (SEPM)
... of the International Program of Ocean Drilling (IPOD), has been determined from measurements of the magnetic susceptibility anisotropy. Depositional-style magnetic...
1988
Abstract: AVAZ Inversion for Fracture Orientation and Intensity: a Physical Modeling Study; #90187 (2014)
Faranak Mahmoudian and Gary F. Margrave
Search and Discovery.com
... equation given by Rüger (2001) to invert for anisotropy parameters ( (V ) , δ (V ) , γ). We incorporated some constraints on the vertical velocities...
2014
An Experimental Investigation of the Anisotropic Dynamic and Static Properties of Eagle Ford Shales
Yang Wang, De-Hua Han, Luanxiao Zhao, Abhijit Mitra, Samir Aldin
Unconventional Resources Technology Conference (URTEC)
... depend on their intrinsic anisotropy and the anisotropic in-situ stress field. We report pseudo-triaxial tests on Eagle Ford shales with axial load...
2019
Fracture Control of P-wave Azimuthal Anisotropy in a Laramide Basement-cored Anticline at Casper Arch, Wyoming: Insights from Correlations with Surface Analogs and Curvature Analyses
Duke Cooley, Eric Erslev
AAPG Special Volumes
...Fracture Control of P-wave Azimuthal Anisotropy in a Laramide Basement-cored Anticline at Casper Arch, Wyoming: Insights from Correlations...
2013
Towards Quantitative Assessment of 4D DAS Time Shifts for Enhanced Stimulated Rock Volume Characterization
Yesser Haj Nasser
Unconventional Resources Technology Conference (URTEC)
... with hydraulic stimulation. This modeling workflow incorporates the fracture's physical properties and their dynamic nonlinear stress-dependent anisotropy (van...
2022
Microfabric and Organic Matter Impact on Burial Diagenesis from Mud to Shale
Richard H. Bennett, Michael W. Lambert, Matthew H. Hulbert, Conrad W. Curry, Harold W. Olsen, Allen Lowrie
Special Publications of SEPM
... clay particle orientation normal to the direction of the effective stress indicative of significant anisotropy in the permeability. Sandy clayey silts...
2004