Thorium-to-Uranium Ratios as Indicators of Sedimentary Processes: Example of Concept of Geochemical Facies

John A. S. Adams , Charles E. Weaver

AAPG Bulletin

... than 200 new thorium and uranium determinations have been made by gamma-ray spectral technique and by an alpha activity-fluorometric uranium technique...

The impact of rock composition on geomechanical properties of a shale formation: Middle and Upper Devonian Horn River Group shale, Northeast British Columbia, Canada

Tian Dong, Nicholas B. Harris, Korhan Ayranci, and Sheng Yang

AAPG Bulletin

... Edge, v. 30, no. 3, p. 284–291, doi:10.1190/1.3567259. Hillier, S., 2003, Quantitative analysis of clay and other minerals in sandstones by x-ray...

Reservoir prediction using graph-regularized deep learning

Kaiheng Sang, Nanying Lan, Fanchang Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... predict shear wave velocity using reservoir parameters such as p-wave velocity, density and natural gamma ray. In addition, many research...

Brazos A-105 D-Sand Reservoir Modeling by Integration of Seismic Elastic Inversion Results with Geostatistical Techniques

W. Xu, K. Wrolstad, D. Kramer, P. Dooley, K. Domingue, D. T. Vo

AAPG Special Volumes

..., and K. H. Wrolstad, 1992, Seismic ray tracing method and apparatus: U.S. Patent 5,079,749.Backus, G. E., 1962, Long-wave elastic anisotropy produced...

Fracture and Matrix Permeability Hysteresis in Organic Rich Mudrocks

Tadesse Weldu Teklu, Xiaopeng Li, Zhou Zhou, Qi Cui, Hazim Abass

Unconventional Resources Technology Conference (URTEC)

... cores). Table 1 shows the mineralogy of Niobrara and Eagle Ford samples measured using x-ray diffraction (XRD). Table 1 – XRD mineralogy study of Niobrara...

Water column corrections: Joint water velocity inversion for 4D marine surveys

Didier Lecerf, Mathieu Lange, Andrew Oates, Jyoti Kumar

International Meeting for Applied Geoscience and Energy (IMAGE)

... and correcting water velocity changes on 4D seismic datasets. Each sail line is migrated independently and Common Depth Point (CDP) gathers are output...

Chapter 10: 2-D Pore Architecture Characterization of a Carbonate Mudrock Reservoir: Insights from the Mid-Continent “Mississippi Lime”

Beth Vanden Berg, G. Michael Grammer

AAPG Special Volumes

..., the permeability is relatively higher than in locations where the sonic velocity (VP) is as predicted by the Wyllie time average equation and vice versa. Figure 2...

Impact of Natural Fracture Induced Elastic Anisotropy on Completion and Fracturing Design in Different Shale Reservoirs

Emre Can Dundar, Aymen Alhemdi, Ming Gu

Unconventional Resources Technology Conference (URTEC)

... to that, different impacts on stress contrast (variation along the vertical depth) are observed for different shales, owing to the complex mineralogy/lithology...

Relationships Among Vitrinite Reflectance, Illite Crystallinity, and Organic Geochemistry in Carboniferous Strata, Ouachita Mountains, Oklahoma and Arkansas

John M. Guthrie, David W. Houseknecht, William D. Johns

Bulletin of South Texas Geological Society

... by Weaver (1960) and Kubler (1968) documented that the intensity and sharpness of the 10 Angstrom illite peak on x-ray diffractograms increases...

Stress-Dependent Flow, Mechanical, and Acoustic Properties for an Unconventional Oil Reservoir Rock

Gang Han, Marte Gutierrez, Peter Schmitz

Unconventional Resources Technology Conference (URTEC)

... on reservoir simulation, geophysical interpretation, hydraulic fracture design, and geomechanical analysis. B ecause reservoirs are buried at depth, measurement...

Pore Structure Analysis from CO2 Saturation using Gas Adsorption

Ogochukwu Ozotta, Mehdi Ostadhassan, Kouqi Liu, Hyeonseok Lee, Chioma Onwumelu

Unconventional Resources Technology Conference (URTEC)

... pores. X-ray diffraction (XRD), and gas adsorption (N2) isotherm are some of the characterization approaches used on the shale rock to determine...

Application of a Statistical Zonation Method to Reservoir Evaluation and Digitized-Log Analysis

Dan Gill

AAPG Bulletin

... of various contributing "effects" by means of a linear model. The applicability of any particular model is determined by the specific experimental...

Description of Geometries in Fault Shadow Pitfall as Result of Geological and Geophysical Properties, Martinez, Nhora M.; Agudelo, William M, #90100 (2009)

Search and Discovery.com

ABSTRACT: Basin architecture and lithosphere structure of West- and East-Black Sea Basins from geophysical studies; #90109 (2010)

T. Yegorova, E. Baranova, V. Gobarenko, T. Yanovskaya

Search and Discovery.com

... depths at 29 km) underlying the Mid-Black Sea Ridge. The basement of the latter an en echelon-like manner elevates southwards from a depth of 10-11 km...

LINEAR AND ARCUATE SAND BODIES IN THE UPPER MANNVILLE OF THE CELTIC AREA, SASKATCHEWAN

G.N. WRIGHT, A.W. SIEWERT, C. MOLARO

Williston Basin Symposium

... and Hill, 1986). Overestimation of clay volume can be avoided with use of the non-linear gamma ray index transform of Clavier (Clavier et al...

Stability of Calcium Carbonate Polymorphs in Warm, Shallow Seawater

H. Dale Winland

Journal of Sedimentary Research (SEPM)

... Recent carbonate sediments is being approached by a study of stained grain-mount thin sections and x-ray diffraction methods as set forth by Winland...

Source potential and reservoir characterization of the Cambay Shale, Cambay Basin, India: Implications for tight gas and tight oil resource development

Mateen Hafiz, Naveen Hakhoo, Ghulam M. Bhat, Sudeep Kanungo, Bindra Thusu, Jonathan Craig, and Waquar Ahmed

AAPG Bulletin

....gsf.2011.10.001. Dixit, M. M., H. C. Tewari, and C. V. Rao, 2010, Two-dimensional velocity model of the crust beneath the South Cambay Basin, India...

Abstract: Am I Really Predicting Natural Fractures in the Tight Nordegg Gas Sandstone of West Central Alberta? Part I: Theory and Statistics; #90172 (2014)

Lee Hunt, Scott Reynolds, Tyson Brown, Scott Hadley, Jon Downton, Satinder Chopra

Search and Discovery.com

... surface seismic techniques such as Azimuthal AVO (AVAz), Azimuthal Velocity Analysis (VVAz), Curvature, and Coherence techniques have all been used...

Critical Role of Rock and Fluid - Impact on Reservoir Performance on Unconventional Shale Reservoirs

N. R. Nagarajan, M. M. Honarpour, F. Arasteh

Unconventional Resources Technology Conference (URTEC)

....  Fast Track laboratory analyses provide CT images and dual energy scans, spectral gamma ray, petrophysical and mechanical properties, completion...

Variation of organic matter density with thermal maturity

Mark D. Rudnicki

AAPG Bulletin

...., C. J. Lu, Z. P. Xia, Y. Zhou, and Z. Luo, 2007, X-ray diffraction patterns of graphite and turbostratic carbon: Carbon, v. 45, p. 1686–1695, doi...

Extended Abstract: Advances in Interpretation & Imaging

P. Beale

Southeast Asia Petroleum Exploration Society (SEAPEX)

... Inversion 3D Coherency Inversion (3D C.I. – 3D ray traced velocity analysis) 3D Depth model Demigrate picks & Map migration 3D PoSDM to image...

Succesfull Heavy Oil and Extra Heavy Oil Prodution Testing Using Phasetester Vx* on Castilla for ECOPETROL

Imed Benlizidia

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... Bolivariano Exploración Petrolera en Cuencas Subandinas held in Cartagena, Colombia, July 2009. This paper was selected for presentation by the X symposium...

Stable Isotopes of Sulfur, Nitrogen and Deuterium in Recent Marine Environments

I. R. Kaplan

Special Publications of SEPM

... may be too low to be observed by such standard This problem is especially techniques as X-ray diffraction. the reactions normally involve present...

GEO 2012 The 10th Middle East Geosciences Conference and Exhibition, 4-7 March 2012, Manama, Bahrain; - Abstracts, #90141 (2012).

Search and Discovery.com

Source Rock Evaluation from Well Logs … Four Decades of Technical Tipping Points; #60056 (2019)

Quinn R. Passey

Search and Discovery.com

... technology began to be incorporated in downhole well-logging tools, and the natural gamma-ray, gamma-gamma density tool, neutron porosity...