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...

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...

Geophysical Corner Articles from September 1996 – present, Compiled

Search and Discovery.com

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...

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...

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...

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...

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...

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...

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...

Estimating Thermal Conductivity in Sedimentary Basins Using Lithologic Data and Geophysical Well Logs (1)

FREDERIC BRIGAUD , DAVID S. CHAPMAN , and SYLVIE LE DOUARAN

AAPG Bulletin

..., in situ temperature, and anisotropy. In a crystalline rock setting, Williams et al. (1988) used a mineralogical profile determined from geochemical...

Geomorphology of kilometer-scale extensional fault scarps: factors that impact seismic interpretation

Simon A. Stewart, Abby Reeds

AAPG Bulletin

..., or failure may occur on a suitably oriented preexisting anisotropy (Figure 2b). Reactivation is limited to those anisotropies whose trend is within 20...

Characterization of oil shale, isolated kerogen, and postpyrolysis residues using advanced 13C solid-state nuclear magnetic resonance spectroscopy

Xiaoyan Cao, Justin E. Birdwell, Mark A. Chappell, Yuan Li, Joseph J. Pignatello, Jingdong Mao

AAPG Bulletin

... selection, 13C chemical shift anisotropy filtering, and 1H-13C long-range recoupled dipolar dephasing. The NMR results showed that, relative to the raw...

A scaling law to characterize fault-damage zones at reservoir depths

Madhur Johri, Mark D. Zoback, and Peter Hennings

AAPG Bulletin

..., A multiscale study of the mechanisms controlling shear velocity anisotropy in the San Andreas Fault Observatory at Depth: Geophysics, v. 71, no. 5, p. F131–F146...

The effect of deformation bands on simulated fluid flow within fault-propagation fold trap types: Lessons from the San Rafael monocline, Utah

Luisa F. Zuluaga, Atle Rotevatn, Eirik Keilegavlen, and Haakon Fossen

AAPG Bulletin

... of deformation bands may compartmentalize reservoirs, alter flow paths, and induce significant permeability anisotropy (Antonellini and Aydin, 1994, 1995...

GeoConvention 2014; - Abstracts, #90224 (2015).

Search and Discovery.com

Natural fractures and their relationships to structure, stress, and permeability in the Raton Basin

John C. Lorenz, Scott P. Cooper

Rocky Mountain Association of Geologists

... stress anisotropy created by indentation of the thrust system into the basin margin. Fracture anomalies occur over local structures including a N...

Geothermal convection in the Tengiz carbonate platform, Kazakhstan: Reactive transport models of diagenesis and reservoir quality

Gareth D. Jones, Yitian Xiao

AAPG Bulletin

... convection cells (Bjorlykke et al., 1988), was calculated with a specified permeability anisotropy, which describes the ratio of horizontal to vertical...

Natural fractures in shale: A review and new observations

Julia F. W. Gale, Stephen E. Laubach, Jon E. Olson, Peter Eichhubl, and András Fall

AAPG Bulletin

..., I. O. Bayuk, M. A. Sparkman, and R. L. Brown, 2009, Mathematical modelling of anisotropy of illite-rich shale: Geophysics Journal International, v...

Challenges in Modelling of Hydraulic Fracturing in Low-Permeability Coal Seams with Complex Cleat Networks and Stress Regimes

Mohammad Ali Aghighi, Raymond Johnson Jr., Chris Leonardi

Australian Petroleum Production & Exploration Association (APPEA) Journal

... with low stress anisotropy (Flottman et al. 2013; Busseti and Flottmann 2018) Non-planar fracture propagation Stimulation of highly deviated wells or NFRs...

Stimulation Treatments in the Bakken Formation: Implications for Horizontal Completions*

David D. Cramer

Montana Geological Society

...). A similar network could exist in Bakken reservoirs. Permeability anisotropy affects stimulation treatment results...

Computation of Initial Well Productivities in Aeolian Sandstone on the Basis of a Geological Model, Leman Gas Field, U. K.

K. J. Weber

Special Publications of SEPM

... without a horizon permeabillity anisotropy The vertical permeability will low however because of the many low permeability intervals The aeolian interval...

Development of Hydraulic Fracture Hits and Fracture Redirection Visualized for Consecutive Fracture Stages with Fast Time-stepped Linear Superposition Method (TLSM)

Tri Pham, Ruud Weijermars

Unconventional Resources Technology Conference (URTEC)

... fractures when the farfield stress anisotropy is negligible (Fig. 6). - For an even number of perforations: each fracturing stage develops a fracture...

Extensional Tectonic Framework of the U.S. Central Atlantic Passive Margin: Chapter 2: Concepts

B. Wernicke, P. G. Tilke

AAPG Special Volumes

... anisotropy is present, generally dipping seaward. The pre-existing structural grain for offshore faults is not reliably known (Hutchinson et al., 1986...

Testing the basin-centered gas accumulation model using fluid inclusion observations: Southern Piceance Basin, Colorado

Andras Fall, Peter Eichhubl, Stephen P. Cumella, Robert J. Bodnar, Stephen E. Laubach, Stephen P. Becker

AAPG Bulletin

... sonic logs showed that little to no shear-wave anisotropy is measured from the surface to the top of the gas-saturated interval. Within the gas...