Drill Bit Geomechanics and Fracture Diagnostics Optimize Completions in the Powder River Basin

Ellen Scott, Claudio Ramos, Eric Romberg

Unconventional Resources Technology Conference (URTEC)

... the stress-strain matrix with isotropic stiffness coefficients. Additionally, the technique determines anisotropy by solving for transversely isotropic (TI...

Visualizing a process ichnology dataset, Lower Cretaceous McMurray Formation, NE Alberta, Canada

E. R. Timmer, S. E. Botterill, M. K. Gingras, J.-P. Zonneveld

CSPG Bulletin

... calculated for the major direction of anisotropy, minor direction of anisotropy and in the vertical direction. An in-depth review of directional...

“Factory Mode” Development of Fortín de Piedra Block, Gas Window

Pedro Biscayart, Matías Brolli, Josefina d’Hiriart, Diego García Acebal, Adrian Giachino, Sebastián Olmos, Neptalí Requena, Raúl Varela

AAPG Special Volumes

...), anisotropy between vertical and minimum horizontal stress (track 9), and principal stress relationship showing mostly strike-slip regime (track 10...

Improved Reservoir Characterization of Bakken-Three Forks: Integrating Special Core Analysis and Petrophysics

Sushanta Bose, Aaron Rodriguez, Jeff Hamman, Virginia Smellie, Carlos Miranda, Josh Miller

Unconventional Resources Technology Conference (URTEC)

... of laminated facies. Resistivity anisotropy measurements from 15 wells were used to quantify the modification for each stratigraphic unit. A multi-mineral...

Learnings on Fracture and Geomechanical Modeling from the Hydraulic Fracturing Test Site in the Midland Basin, West Texas

Xinghui Liu, Yunhui Tan, Amit Singh, Robert Waddle, Kurt Hilarides, David Forand, Baosheng Liang, Shahzad Khan, Margaretha Rijken

Unconventional Resources Technology Conference (URTEC)

... and adjusted to meet the UFM requirement. Stress anisotropy was another uncertainty and was estimated by comparing UFM simulation results...

Tectonic Deformation of Wingate Sandstone, Colorado National Monument

William R. Jamison, David W. Stearns

AAPG Bulletin

... a result of stress release during erosion. Strength Anisotropy of Wingate Sandstone Microfaults in the Wingate Sandstone commonly occur along cross-beds...

Velocity-depth trends in Mesozoic and Cenozoic sediments from the Norwegian Shelf

Vidar Storvoll, Knut Bjrlykke, Nazmul H. Mondol

AAPG Bulletin

... compaction. Low velocities in source rocks are mainly attributed to the relatively soft kerogen and resulting velocity anisotropy. The high velocity...

Use of outcrop observations, geostatistical analysis, and flow simulation to investigate structural controls on secondary hydrocarbon migration in the Anacacho Limestone, Uvalde, Texas

Christopher E. Wilson, Atilla Aydin, Louis J. Durlofsky, Alexandre Boucher, Darrell T. Brownlow

AAPG Bulletin

... of fractures; asphalt accumulations and stains suggest that they focused flow along their strike direction, imparting anisotropy to the Anacacho...

A review of the genesis, evolution, and prediction of natural fractures in deep tight sandstones of China

Lianbo Zeng, Lei Gong, Yunzhao Zhang, Shaoqun Dong, and Wenya Lyu

AAPG Bulletin

... fractures. Second, the actual rock fracture model based on the transversal anisotropy of rock mechanical properties should be established. Third...

Geophysical Interpretation of Pinedale Field

Sally G. Zinke

AAPG Special Volumes

... Profiling, Part A. Principles, Geophysical Press, London, 450 p. Jenner, E., 2001, Azimuthal anisotropy of 3-D compressional wave seismic data, Weyburn...

What Lies beneath … A Review of Frontier Exploration for Deep Plays in the Bowen Basin

Raymond L. Johnson Jr, Nathan Parker

Australian Petroleum Production & Exploration Association (APPEA) Journal

... and McCarthy 1987; Johnson and Woodroof 1996; Barree et al. 2002; Scott et al. 2010). A post-frac sonic anisotropy log was used in addition to the NRT...

Coalbed Gas Development in the Rockies - Analogues for the World

D. Keith Murray, Stephen D. Schwochow

Rocky Mountain Association of Geologists

... the perpendicular component, causing the polarized shear waves to split and be recorded at different times." Permeability anisotropy that is attributable in large...

Origin and Modification of Magnetic Fabric in Fine-Grained Detrital Sediment by Depositional and Post-Depositional Processes

William J. Brennan

Special Publications of SEPM

... A second rank 19539 p Post The acquired some anisotropy Geophys magnetization in Planetary Science Letters of field a rede v 21 post...

Stresses and Fractures in the Frontier Formation, Green River Basin, Predicted from Basin-Margin Tectonic Element Interactions

John C. Lorenz

Wyoming Geological Association

... Natural fractures and in situ stresses commonly dictate subsurface reservoir permeability and permeability anisotropy, as well as the effectiveness...

Analysis of the Multiwell Experiment Data and Results: Implications for the Basin-centered Gas Model

Norman R. Warpinski, John C. Lorenz

AAPG Special Volumes

... are the reservoir permeability, the initial reservoir pressure, and the horizontal permeability anisotropy. Permeability anisotropy was determined...

Numerical Models of Fluid Flow in Carbonate Platforms: Implications for Dolomitization

Jonathan Kaufman

Journal of Sedimentary Research (SEPM)

... and porosity-permeability relationships, permeability anisotropy, heat-flow properties of the rock and fluid, and fluid density are the critical user...

Physical Models of Structural Styles During Extension: Chapter 7: Concepts

K. R. McClay

AAPG Special Volumes

... introduced both competency contrasts and anisotropy into their models and demonstrated that these can have dramatic effects on structural style during...

Modeling secondary oil migration with core-scale data: Viking Formation, Alberta basin

Elise B. Bekele, Mark A. Person, Benjamin J. Rostron, Randal Barnes

AAPG Bulletin

... to quantify within the Viking Formation but may have a significant impact on horizontal permeability anisotropy. The predicted fracture orientation...

Natural fracture characterization in tight gas sandstones: Integrating mechanics and diagenesis

Jon E. Olson, Stephen E. Laubach, Robert H. Lander

AAPG Bulletin

... value of n = 50 for the simulations presented below.Three simulations were performed to examine the influence of strain anisotropy on fracture growth...

Predicting the depth of viscous stress peaks in moving salt sheets: Conceptual framework and implications for drilling

Ruud Weijermars and Martin P. A. Jackson

AAPG Bulletin

... and solutions, and an aerodynamic laboratory: Berlin, Springer, 354 p. Landrø´ M. Puigdefabregas C. Arntsen B., 2011, Anisotropy in the salt outcrop at Cardona...

Three-Dimensional Geologic Modeling and Horizontal Drilling Bring More Oil out of the Wilmington Oil Field of Southern California, by Donald D. Clarke and Christopher C. Phillips, #20019 (2004).

Search and Discovery.com

Calculating sensitivities for 3D inversion of electromagnetic well logging data

Cícero Régis, Paulo Roberto de Carvalho

International Meeting for Applied Geoscience and Energy (IMAGE)

.... If the region has anisotropy of the TIV kind, then there is an analytical expression for the derivative with respect to the horizontal conductivity...

Understanding the Complexity of Fracturing in the Sichuan Shale Gas Reservoir in China

Yuan Liu, Daniel Kalinin, Deqi Li, Yajun Jiao, Ran Li

Unconventional Resources Technology Conference (URTEC)

... regime only, not fissures or stress anisotropy. Analysis: Geometry Measurements While fracture height is well contained but the fracture geometry...

Value of elastic full-wavefield inversion in derisking clastic reservoirs in presence of noise

Partha Routh, Soumya Nayak, Jake Dorsett, Kaushik Banerji, Young Ho Cha, Vijay Gottumukkula, Gopal Palacharla, Vikas Gudipati, Ramesh (Neelsh) Neelamani, Seth Conway, Andrea Raphael

International Meeting for Applied Geoscience and Energy (IMAGE)

... the amplitudes of the raw shot gathers. The initial Vp and anisotropy for the eFWI inversion were provided by a conventional velocity model building process...

Uncertainty Analysis of the Vertical Aquitard Hydraulic Conductivity in a Leaky Aquifer System

Xun-Hong Chen

Environmental Geosciences (DEG)

... solution accounts for the effect of aquifer anisotropy (Kr ≠ Kz) on drawdowns and is able to provide more reliable K′ values. Beck, J. W., and Arnold, K...