Quantifying Shale Porosity—A Thermodynamically Based, Predictive Model Which Includes the Effects of Mechanical Compaction, Temperature, Mineralogy, and Chemical Diagenesis

James T. Krushin

GCAGS Transactions

... and x-ray techniques: I. Micropore volumes and intermnal surface areas, following Dubinin's theory: Clay Minerals, v. 22, p. 1-9. Krushin, J. T., 1997...

Full Wave Acoustic Logging: Some Examples

John W. Minear

Southeast Asia Petroleum Exploration Society (SEAPEX)

... drilling fluids (eg. filtrate replacing oil and gas) will increase damaged zone Δt over undamaged formation Δt. Using ray theory, the mechanism...

Traveltime tomography and efficient physics-informed Bayesian inversion

Tian Qiao, George Turkiyah, Gerard T. Schuster

International Meeting for Applied Geoscience and Energy (IMAGE)

... by the 1D traveltime modeling equation listed under Figure 1a, where we assume an Nlayered medium with each layer having a thickness of ∆z, no ray...

Evaluation of Logging While Drilling Technology, Offshore, East Kalimantan

S. Sutiyono

Indonesian Petroleum Association

... wireline log data were acquired in 12 wells. The measurements included resistivity, gamma ray, neutron, density, and photoelectric factor. In general...

A Quantitative Pore-Scale Investigation on the Paragenesis of Wilcox Tight Gas Sandstone

Ayaz Mehmani, Kitty Milliken, Masa Prodanovic

Unconventional Resources Technology Conference (URTEC)

... of the Wilcox tight gas sandstone. Predictions based on a two-scale analysis of an X-ray tomographic image are conducted as well but computational...

Detecting radiometric outliers in airborne gamma-ray spectrometry data with isolation forest: A case study of REE-bearing rocks in central-north Brazil

Adolfo Barbosa da Silva, , Rafael Pires de Lima

International Meeting for Applied Geoscience and Energy (IMAGE)

...Detecting radiometric outliers in airborne gamma-ray spectrometry data with isolation forest: A case study of REE-bearing rocks in central-north...

Use of Gravity Meter in Search for Stratigraphic Traps: Geologic Exploration Methods

Craig Ferris

AAPG Special Volumes

..., Theory of errors and least squares: New York, Macmillan, p. 155. Yungul, S. H., 1961, Gravity prospecting for reefs: the effects of sedimentation...

Lithology Discrimination and Pore-Fluid Detection Using 3D Pre-Stack Simultaneous Inversion: A Case Study at Gumai Formation, Jambi Sub-Basin, South Sumatra

Widia Anggraeni, Mawar Indah Nursina, Andri Syafriya, Bagus Sapto Mulyatno, Muh Sarkowi

Indonesian Petroleum Association

.... The lithology sensitivity shown in Figure 4 cross-plotted P-impedance versus shear impedance log and is coloured-coded by gamma-ray log. This clearly...

Hybrid Velocity Model Building: 3D Ocean Bottom Cable (OBC) Orthorhombic Full Waveform Inversion (FWI) Depth Imaging of a Complex Geological Structure, Western Berau - Papua, Indonesia

Purbo Santoso, Yayat Supriatna, Tepy Septyana, Leo Tjahjadi, Yonghe Guo

Indonesian Petroleum Association

... Waveform Inversion (FWI) and ray-based tomography. Shallow, fast carbonates in the overburden limit the penetration of diving waves to ~1500 meters...

Estimating Real-time Pore Pressure at the Bit via Machine-learning

Matthew Reilly, Gareth Taylor, Orlando De Jesus, Muhlis Unaldi, John Thurmond, Mike Party, Koda Chovanetz

Unconventional Resources Technology Conference (URTEC)

... then be relayed to the rig. Theory and Method The use of drilling data to detect pore pressure is rooted in the fundamental assessment that drilling a well...

Application of High Gradient Magnetic Separation (HGMS) To Structural and Compositional Studies of Clay Mineral Mixtures: RESEARCH METHOD PAPER

K. E. Tellier, M. M. Hluchy, J. R. Walker, R. C. Reynolds, JR.

Journal of Sedimentary Research (SEPM)

... and chlorite in clays by electromagnetic techniques: Clay Minerals, v. 8, p. 201-212. BROWN, G., AND BRINDLEY, G. W., 1984, X-ray diffraction procedures...

Saskatchewan Exploratory Progress and Problems: Oil and Gas Occurrences

Robert A. Bishop

AAPG Special Volumes

... of the geologic section of the widely scattered wildcat wells in Saskatchewan would be very difficult except for the gamma ray log. Excellent gamma ray...

Abstract: X-ray Computed Tomography (CT) Applied in Routine Core Analysis: Examples from New Guinea and the North West Shelf, Australia, by L. Coshell, J. Brown, and J. K. Warren; #90982 (1994).

Search and Discovery.com

Abstract: Spectral Gamma-Ray Character of the Chattanooga Shale, Tennessee and Oklahoma, by Daniel Hurst; #90067 (2007)

Search and Discovery.com

Abstract: Spectral Gamma-Ray Signatures Across the Devonian/Carboniferous Boundary, Woodford Shale, Oklahoma, by Jim Puckette, Darwin Boardman, Mark Bryan, Jacqueline Berryman, Robert Berryman, and Daniel Hurst; #90078 (2008)

Search and Discovery.com

Enhancing Limited Log Suites with Neural Networks

J.S. Arbogast, M.H. Franklin, M.L. Butler, K.A. Thompson

Rocky Mountain Association of Geologists

... responses that would have occurred if modern logs had been run (i.e., gamma ray, density porosity, and acoustic travel time) and created reliable...

Seismic Stratigraphy of Early Pennsylvanian Morrowan Sandstones, Minneola Complex, Ford and Clark Counties, Kansas

Stacy L. Clark

AAPG Bulletin

.... Swift, and R. G. Walker, 1985, Shelf sands and sandstone reservoirs: SEPM Short Course Notes 13, 708 p. Trorey, A. W., 1961, A simple theory...

Lidar Intensity as a Remote Sensor of Rock Properties

Darrin Burton, Dallas B. Dunlap, Lesli J. Wood, Peter P. Flaig

Journal of Sedimentary Research (SEPM)

.... 2007). An extensive treatment of lidar correction theory and methods can be found in the remote-sensing literature (Song et al. 2002; Luzum et al. 2004...

Concepts and Methods for the Recognition of Cyclicity in the Marcellus Shale of the Appalachian Basin, NE USA

Olusanmi O. Emmanuel, Stephen A. Sonnenberg

Unconventional Resources Technology Conference (URTEC)

... TOC), petrographic thin sections, scanning electron microscopy (SEM) and x-ray diffraction (XRD) analyses of 100 samples from over 1000 feet of core...

Identification and Quantification of Parasequences Using Expectation Maximization Filter: Defining Well Log Attributes for Reservoir Characterization

Saurabh Sinha, Raj Kiran, Javier Tellez, Kurt Marfurt

Unconventional Resources Technology Conference (URTEC)

... in unconventional reservoir development [1] demonstrated the importance of gamma ray parasequences (GRP) in unconventional play development. Currently...

Geologic Interpretation of Seismic Profiles, Big Horn Basin, Wyoming, Part II: West Flank

Donald S. Stone

Rocky Mountain Association of Geologists

... a displacement on the same order of magnitude as the Casper Arch Thrust (Skeen and Ray, 1983). Within the hanging wall block, the profile traverses...

Red Wing Creek Field, North Dakota: A Concentricline of Structural Origin

L. W. DAN BRIDGES

Montana Geological Society

... Creek structure, the writer agrees with Fox's fault intersection theory but does not find evidence for an explosive event. This paper presents...

Tensile radiation from slip in a medium with rough fractures

Scott Leaney, Chris Chapman

International Meeting for Applied Geoscience and Energy (IMAGE)

... in the context of a coupled excess compliance (CEC) fracture model. In what follows we review the theory behind the construction of a stiffness tensor...

Nature and Origin of Beach Rock: NOTES

D. R. Stoddart, J. R. Cann

Journal of Sedimentary Research (SEPM)

... by Russell. Since Russell's theory is inapplicable in the British Honduras case, it is possible that beach rocks which appear superficially similar have...

Accumulation of Oil and Gas in Limestone: Part III. Migration and Accumulation of Petroleum

W. V. Howard

AAPG Special Volumes

... limestone from an underlying source, nor has he ever seen an occurrence of oil where such migration might have taken place. Thus, the theory of upward...