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The AAPG/Datapages Combined Publications Database

Showing 1,445 Results. Searched 200,636 documents.

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Characterization of a Shallow Steamed Oil Reservoir Using Crosswell Seismology

Bjorn N. P. Paulsson, John W. Fairborn

Indonesian Petroleum Association

... be such that each pixel is traversed by many rays. For the geometry at Midway Sunset, a pixel size equal to the source and receiver spacing, i.e., 20...

1990

Micro-CT Analysis of Pores and Organics in Unconventionals Using Novel Contrast Strategies

Andrew Fogden, Thomas McKay, Michael Turner, Rohini Marathe, Tim Senden

Unconventional Resources Technology Conference (URTEC)

... of the sample. However, the rays (blue lines in Fig. 5c and f) emanating from it out to the macro-scale contain information as to the feature types. URTeC...

2014

References Cited

Mark W. Longman

AAPG Special Volumes

.... Loucks, R. G. and R. L. Folk, 1976, Fanlike rays of former aragonite in Permian Capitan reef pisolite: Jour. Sed. Petrology, v. 46, p. 483-485. Lucia...

1981

Model Study of Morphologies Caused by Exploding Superheated Vapor and Possible Lunar Analogues

H. J. McCunn

GCAGS Transactions

... and the materials are blown from the crater. These craters have blast rays and generally have smoothly sloping bottoms which contain a minimum of debris...

1974

Logging While Drilling as the Kernel Acquisition … Fully Integrated Formation Evaluation in a Deepwater Exploration Campaign, Makassar Strait, Indonesia

Mathias Horstmann, Graziano Capone, Lilik Budi Riyanto, Yus Wilian, Scott Fey

Indonesian Petroleum Association

... composition of the formation and from this to infer the lithology. The elemental composition is obtained by measuring the gamma rays generated following...

2011

Mapping of Microbial Habitats in Organic-Rich Shale

E. Buchwalter, A. Swift, J. Sheets, D. Cole, T. Prisk, L. Anovitz, J. Ilavsky, M. Rivers, S. Welch, S. Chipera

Unconventional Resources Technology Conference (URTEC)

... is that high density materials reflect high energy X-rays that dominate weaker X-rays coming from surrounding low density matter, a problem that is common...

2015

The eocrinoid Ascocystites Barrande (Echinodermata, Blastozoa) from the Middle Ordovician of central Portugal, with comments on the stratigraphy of the Brejo Fundeiro Formation

Timothy P. Young, Stephen K. Donovan

Atlantic Geology

... (EE 3205(3)). Articular facet not seen. Theca flattened (=crushed after burial), conical and high. Plating sometimes indistinct. Six rays, each...

1993

Bromine Distribution in Some Halite Rocks of the Paradox Member, Hermosa Formation, in Utah

Omer B. Raup

Rocky Mountain Association of Geologists

... in the spectograph rotated circuit a in uniform the sample during analysis to insure u n i f o r m exposure to X-rays. An placed t o the X-rays. A n aluminum filter...

1972

Upper Crustal Structure Derived from Seismic Refraction Experiments: Grand Banks of Eastern Canada

I. Reid, C.E. Keen

CSPG Bulletin

.... By tracing rays through the structure, the correct position offsets are used, resulting in a model which is internally consistent. The time term analysis...

1988

The Cretaceous age of the Vinegar Hill silica sand deposit, southern New Brunswick: evidence from palynology and paleobotany

Howard J. Falcon-Lang, Robert A. Fensome, D. V. Venugopal

Atlantic Geology

... and pronounced checking are also very common locally (Fig. 4e). In tangential longitudinal section (TLS), rays are uniseriate and short (1–10 cells high...

2003

Authigenic Clay Mineral Cements in Cretaceous and Tertiary Sandstones of Alberta

M. A. Carrigy, G. B. Mellon

Journal of Sedimentary Research (SEPM)

... of a source of X-rays, End_Page 464------------------------ PLATE 2. [Grey Scale] Large kaolinite-montmorillonite cemented pores (arrows...

1964

High-Resolution HFTS2 Slant Core Imaging Through X-ray Computed Micro Tomography

Javier O. Guerrero, D. Nicolas Espinoza, Julia F.W. Gale

Unconventional Resources Technology Conference (URTEC)

.... For instance, drilling mud depending on its additives can attenuate significantly X-rays and hinder rock features or add uncertainty to image interpretation...

2022

Preservation Potential of Paleocyclone Deposits Ln Gulf of Mexico Coastal Sediments

Lisa Marie Mertz, Marylea Hart, John Jaeger

GCAGS Transactions

... the multi-sensor core logger for digital imaging and x-radiographs were collected to detect sedimentary structures. X-rays, with digital images, and smear...

2003

Some Techniques in Experimental Sedimentology

J. R. L. Allen

Journal of Sedimentary Research (SEPM)

... funnel at the tip of which is a star-shaped plate, the rays of the star bending gently downwards (fig. 1b). An adjustable cross-piece is fitted just...

1971

Chemical Weathering in a Subtropical Igneous Terrain, Rio Ameca, Mexico

James I. Drever

Journal of Sedimentary Research (SEPM)

... transmitted x-rays, by a modification of the method of Rich (1967), and electron micrographs and selected area diffraction patterns were obtained using...

1971

Drill Bit Walk and Near-Wellbore Heterogeneity Illuminated by Azimuthal Gamma Ray while Drilling into Hard and Interbedded Formations along Unconventional Horizontal Wells

Haijing Wang, Kelli Randall, Kevin Sutherland, Mason Edwards, Yegor Se, Ed Stockhausen, Pete Clark

Unconventional Resources Technology Conference (URTEC)

... the well-characterized pilot well. Standard long-spaced stationary surveys and non-azimuthal gamma rays (GR) are not adequate to characterize...

2025

A Regression Technique for the Analysis of Shales by X-ray Diffractometry

John M. Cubitt

Journal of Sedimentary Research (SEPM)

...------- Determination by X-ray diffraction of the quantity of a particular mineral present in a rock involves the measurement of intensity of X-rays...

1975

Biogenic Influence on Growth of Manganese Nodules

Brent K. Dugolinsky, Stanley V. Margolis, Walter C. Dudley

Journal of Sedimentary Research (SEPM)

... fluorescence spectrometry using energy dispersive analysis of x-rays: X-Ray Spectrometry, v. 1, p. 119-123. SOROKIN, YU. I., 1972, Role of biological...

1977

Water Flooding, Coring, Testing, and Logging: Chapter 7

C. Arnold Brown

AAPG Special Volumes

... of inelastic and capture gamma rays resulting from pulsed neutron irradiation of subsurface formations. The relative amounts of the individual elements...

1989

Transport Processes in Ooid Genesis

Paul L. Heller , Paul D. Komar, David R. Pevear

Journal of Sedimentary Research (SEPM)

...) show the individual "rays" on the spherical grains to be 10-50 µm wide and 100-200 µm long. Faint accretionary bands are observed within some...

1980

Mineralogical Analysis of Suspended Cohesive Sediment Using an Analytical Electron Microscope

Robert Bryant, David J. A. Williams

Journal of Sedimentary Research (SEPM)

.... (March), Transmission electron microscopy coupled with energy dispersive analysis of X-rays facilitates determination of chemical composition...

1982

Well Log Assisted Evaluation of Heavy-Oil Resources--A Status Report: Section IV. Exploration Methods

W. H. Fertl

AAPG Special Volumes

... and intensity of gamma rays resulting from neutron irradiation of the formation (Oliver et al., 1981). Ratios formed from the relative abundance of various...

1987

Geologic Interpretation of Argillaceous Sediments: Part I. Origin and Significance of Clay Minerals in Sedimentary Rocks

Charles E. Weaver

AAPG Bulletin

... of the flanks are oriented parallel with the slide. A beam of X rays is focused on the slide, and a Geiger counter records the X-ray powder diffracted...

1958

Radiation-Damage Rims in Quartz from Uranium-Bearing Sandstones

Jean Dominique Meunier , Elisabeth Sellier , Maurice Pagel

Journal of Sedimentary Research (SEPM)

... in the scanning electron microscope used at Total, Compagnie Francaise des Petroles (Pessac, France); rays of CL are collected in an ellipsoidal...

1990

Acoustic Tomography for Reservoir Surveillance: Reservoir Characterization and Modeling

J. H. Justice, M. E. Mathisen, A. A. Vassiliou, S. Singh , P. S. Cunningham, J. R. Bulau

AAPG Special Volumes

... propagating through the medium to be imaged. In medical CAT scanning, the attenuation of X-rays propagating through the body to be imaged is the physical...

1991

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