Pore-scale Evaluation of Nuclear Magnetic Resonance Measurements in Organic-Rich Mudrocks Using Numerical Modeling

Saurabh Tandon, Zoya Heidari, Hugh Daigle

Unconventional Resources Technology Conference (URTEC)

... to surface relaxation anisotropy and correlation time. We showed that the dominant peak of T2 distribution relatively varied by 29%, 11%, and 10%, due...

The Influence of Stratigraphy and Rock Mechanics on Mesaverde Gas Distribution, Piceance Basin, Colorado

Stephen P. Cumella, Jay Scheevel

AAPG Special Volumes

... producing from the continuously gas-saturated interval of the Williams Fork (Koepsell et al., 2003).The presence of fractures results in velocity anisotropy...

Visco-Acoustic Full-Waveform Inversion: A Case Study to Resolve High-Resolution Shallow Channel Absorption, Offshore Indonesia

Jun Wang, Yonghe Guo, Putri Supriandini, Kelik Moersidin, Rahmad Hidayat

Indonesian Petroleum Association

..., Xie et al. (2015) derive the visco-acoustic wave equation in the isotropic medium and extend it to the anisotropy model. This method uses...

Integrated Formation Evaluation Workflow for Estimating Source Rock Hydrocarbon Potential

Naslin

Indonesian Petroleum Association

... be done with dipole or multipole sonic tools through anisotropy evaluation and elastic properties computations to help quantify areas where fracture...

Broad bandwidths reveal double the expected sediment depth in the Northern Carnarvon Basin

Jo Firth, Mark Stanley

Petroleum Exploration Society of Australia (PESA)

... of the underlying geology. The thin shallow carbonate layers cause both scattering attenuation and anisotropy as there is a strong contrast...

Rock Texture: An Important Factor For Clast Shape Studies: NOTES

Lon D. Drake

Journal of Sedimentary Research (SEPM)

... by Smalley's random fracture theory. Weak anisotropy, still visible in hand specimen, has little effect on the shape of crushed fragments. This study shows...

Oil-Base Micro-Resistivity Borehole Image Log Applications in Deep-Water Exploration

Mitch D. Pavlovic

GCAGS Transactions

... this is indicative of anisotropic shales and hints to the depositional energy involved. Intervals of reduced anisotropy pointing to soft sediment deformation...

Rock Physics Modeling in Unconventionals: A Midland Basin Case Study

Paritosh Bhatnagar, Venkatesh Anantharamu, Ron Bianco

Unconventional Resources Technology Conference (URTEC)

... on the other hand is crucial for pre-stack inversion and understanding anisotropy, which inherently exists in shales. Therefore, it is important to have a well...

A Survey of the Production Time-Scale Compaction Behavior of Unconsolidated Sands

Lori A. Hathon, Michael T. Myers

GCAGS Transactions

... effective stress, and the observation of azimuthal acoustic anisotropy, taken together with the shape of the compressibility curve, suggest the influence...

Seismic Reservoir Characterisation of a Channel Sand Oil and Gas Field, Malaysia (Paper A11)

T. J. Focht, M. Sams, D. Brookes, J. Ting

Geological Society of Malaysia (GSM)

... and include the effects of anisotropy to flatten the gathers (Figure 2) and then re-stack to 5 angle stacks between 5 and 55 degrees. Validation...

Origin of Reservoir Fractures in Little Knife Field, North Dakota

W. Narr , Robert C. Burruss

AAPG Bulletin

... of testing for anisotropy in the tensile strength of brittle material such as rock (Reik and Currie, 1974). Point-load tests were performed on core...

Relationships Between Pore Pressure, Stresses, and Present-Day Geodynamics in the Scotian Shelf, Offshore Eastern Canada

N. A. Yassir , J. S. Bell

AAPG Bulletin

... of overpressuring, and secondly, borehole breakouts--indicators of stress anisotropy--decrease in abundance within the overpressured zone. Neither...

Structure, petrophysics, and diagenesis of shale entrained along a normal fault at Black Diamond Mines, CaliforniaImplications for fault seal

Peter Eichhubl, Peter S. D'Onfro, Atilla Aydin, John Waters, Douglas K. McCarty

AAPG Bulletin

... with a 50% anisotropy in capillary displacement pressure, is primarily attributed to the development of a planar fabric in deformed shale. Enhanced...

Thermal conductivity and radiogenic heat production of sedimentary and magmatic rocks in the Northeast German Basin

Ben Norden, Andrea Frster

AAPG Bulletin

... thermal conductivity in basalts (2.2 W/m/K) and highest (3.1 W/m/K) in granitoids. Anisotropy of thermal conductivity in all rocks is low. Formation...

AAPG Mid-Continent Section Meeting

Search and Discovery.com

What if you need seismic to understand your geological model? Exploration in the UK Southern North Sea Rotliegend Transition Zone; #90017 (2003)

Hubert J. M. Dejong, Richard Knight, Ray McClenaghan, Franek Mrozek

Search and Discovery.com

... on the PostSDM in depth (no overburden horizon interpretation required) and by application of an error correction grid (the use of one anisotropy...

ABSTRACT: The Roles of Material Dilatancy in Post Failure Borehole Stability Analysis for Underbalanced Drilling Wells in Shale - A Sensitivity Analysis; #90122 (2011)

M. A. Islam, P. Skalle, O. K. Søreide, and O. M. Nes

Search and Discovery.com

... that the shale exhibits anisotropic behaviour due to sedimentation processes. The anisotropy is apparent both with respect to deformation...

Frequency-Domain Waveform Tomography in the Foothills: Velocity Model Estimation with Synthetic Long-Offset Data

Search and Discovery.com

... was defined on a 1 x 1m grid (Figure 2(a)), extending 26 km horizontally and 6.5 km vertically. S-wave velocities and anisotropy parameters (δ and ε), were...

Abstract: Salt Mapping Using 3D-marine CSEM Surveys; #90171 (2013)

J.J. Zach, M.A. Frenkel, A.M. Ostvedt-Ghazi, S. Goldstein, A. Kumar, and T. Pham

Search and Discovery.com

...), which shows the importance of anisotropy in many surveys. While seismic methods are effective in mapping top-salt horizons, structural...

Abstract: Geoscientific Site Characterization of the Proposed Deep Geologic Repository, Tiverton, Ontario; #90172 (2014)

Kenneth G. Raven, Sean N. Sterling, Richard E. Jackson, John D. Avis, Ian D. Clark

Search and Discovery.com

...), hydraulic conductivity anisotropy ratio (Kh:Kv), liquid porosity (w), vertical effective diffusion coefficient (De-v), diffusion coefficient anisotropy ratio...

Abstract: Numerical Modeling for Different Types of Fractures; #90187 (2014)

Xiaoqin Cui, Laurence R. Lines, and Edward S. Krebes

Search and Discovery.com

...ng. References Cui, X.Q., Line, R.L., Krebes, E.S., 2012, Numerical modeling for different types of fractures: CREWES Research ReportVolume24 Backu...

Abstract: Building Better Models … Making Full Use of Petrophysical Data; #90211 (2015)

Elizabeth L’Heureux

Search and Discovery.com

... in physical properties of the medium, including any anisotropy in seismic velocities, attenuation, porosity, etc. We use these detailed petrophysical...

Seismic in Understanding a Geological Model: Exploration in the UK Southern North Sea Rotliegend Transition Zone, by Hubert J. M. Dejong, Richard Knight, Ray McClenaghan, Franek Mrozek, #40114 (2004).

Search and Discovery.com

Tectono-Stratigraphic Evolution of South Atlantic Extensional Rifted Margins: Constraints from Sandbox Analogue Modeling, #30204 (2011)

A. Cappelletti, F. Salvi, M. Meda, C. Cavozzi, B.R. Chowdhury, Y. Nestola, A. Argnani, F. Tsikalas, C. Magistroni, S. Dalla, M. Roveri, N. Bevilacqua

Search and Discovery.com

...) with alternating layers of sand and silicone putty, representing different rheological layering (strength-depth functions). Lateral anisotropy in the viscosity...

Integration of Dynamic Data into Characterization of the Tengiz Reservoir: Tengiz Slope, #50399 (2011)

Kymbat Dagistanova, A. Aitzhanov, D. Belanger, P. Bateman, R. Camerlo, R. Fitzmorris, M. Hui, G. Jacobs, G. King, C. Laidlaw, W. Narr, Y. Pan, W. Peake, M. Shook, M. Skalinski, M. Sullivan, T. Tankersley, D. Tolessin, A. Yessaliyeva, A. Zhumagulova,

Search and Discovery.com

... 1105m T7453 n=3 1471m T7040 n=0 1033m Multi-well K-anisotropy Lost Circulation Moderate Strong Khwell FCI = Kh core Flow Capacity Index 0 FCI < 3...