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The AAPG/Datapages Combined Publications Database

Showing 25,586 Results. Searched 195,354 documents.

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Automatic Dip-Component Computer for Use with Brunton Compass: GEOLOGICAL NOTE

Richard L. Threet

AAPG Bulletin

... dip and apparent dip (dip-component) in the desired direction. The computer can be made by reproducing Figure 1, photographically, so...

1957

Graphic Stereoscopic Representation of Irregular Surfaces: GEOLOGICAL NOTES

Robert P. Trump , H. W. Patnode

AAPG Bulletin

... is by the use of contours. Apparent relief of the surface may be obtained by tonal variation (Trump and Patnode, 1959), or by stereoscopic representation...

1960

Study of Core Resistivity Profiles and Their Bearing on Dipmeter Survey Interpretation by Computers: ABSTRACT

Z. V. Jizba

AAPG Bulletin

... for this comparison. Results suggest that occasionally apparent good picks from a dipmeter log may not correspond with actual bedding planes...

1963

AAPG Studies in Geology #46, Chapter 2: Lakes During the Evolution of Mongolia

Chris Sladen, J. J. Traynor

AAPG Special Volumes

... and apparent key controls on lake basin and lacustrine sequence development are described. Lake sediments can be identified in all geologic periods from...

2000

Local Variations in Earth Tides: ABSTRACT

Robert Stonely

AAPG Bulletin

... inconsistencies in the apparent deformations produced by earth-tides; such variations may in large part result from errors of measurement. However, horizontal...

1965

Laboratory Experiments on Rosalina columbiensis (Cushman): ABSTRACT

William V. Sliter

AAPG Bulletin

... conducted on the ecology and biological activity of Rosalina columbiensis (Cushman). Light produces no apparent response, except as a secondary...

1965

Comparison of Electrical Logs and Physical Parameters of Marine-Sediment Cores: ABSTRACT

Frank B. Chmelik, Arnold H. Bouma, Richard Rezak

AAPG Bulletin

... which have subtle property differences, can be used to correlate from one core to another, and display apparent relations to other properties...

1969

Significance of Pliocene Stratigraphic Paleontology, Gulf Coast: ABSTRACT

W. P. Leutze

AAPG Bulletin

.... The paleontologists' problems in younger Tertiary strata are compounded by an apparent slowing of foraminiferal evolution. Whereas there are 20 regional...

1969

Geometry of Wind River Thrust, Wyoming: ABSTRACT

Robert R. Berg

AAPG Bulletin

... of Precambrian rocks occurred by a foldlike mechanism. Local curvatures can also explain low apparent-dip angles of some oth r thrust faults...

1984

Sketching Cross Sections with a Portable Microcomputer: ABSTRACT

Michael M. Kimberley

AAPG Bulletin

... and displays the correct apparent dip along the chosen line of section. Cubic-spline interpolation is used to plot both topography and folded bedding...

1985

Basin-Floor Fans in the North Sea: Sequence Stratigraphic Models vs. Sedimentary Facies: Reply

G. Shanmugam, R. B. Bloch, J. E. Damuth, and R. J. Hodgkinson

AAPG Bulletin

... of their apparent unfamiliarity with these rocks...

1997

ABSTRACT: Coalbed Reservoir Characterization of Coal Lithotypes and Cleat Spacing in the Powder River Basin, Wyoming; #90108 (2010)

Gary D. Stricker, Romeo M. Flores, and Michael H. Trippi

Search and Discovery.com

...), and Smith. About 800 2-ft canisters of coal core, collected from the entire thickness of various coal beds, were studied for their lithotypes, apparent rank...

2010

ABSTRACT: IMPLICATIONS OF CUMULATIVE OFFSETS ALONG THE SAN GREGORIO-HOSGRI FAULT, CALIFORNIA: WHY THE SANTA MARIA BASIN MATTERS; #90114 (2010)

V. E. Langenheim, R. C. Jachens, R. W. Graymer, C. M. Wentworth, J. P. Colgan, and R. G. Stanley

Search and Discovery.com

... that suggest southward-decreasing apparent right-lateral displacements, consistent with the pattern of published southward-decreasing Quaternary slip...

2010

Abstract: Integrated Technologies & Technical Workflow to Identify Commercial Low Resistivity Pays; #91204 (2023)

Amr Moukhtar, Hassan Ramadan, Mohamed El-Abasy, Ehab Negm

Search and Discovery.com

... El-Abasy, Ehab Negm Halliburton Abstract Low-resistivity pay is generally characterized as pay zones with low apparent deep resistivity values...

2023

Quantitative carbonate sequence stratigraphy: Insights from stratigraphic forward models

Jean Borgomano, Cyprien Lanteaume, Philippe Léonide, François Fournier, Lucien F. Montaggioni, and Jean-Pierre Masse

AAPG Bulletin

... stratigraphy, is incomplete and spatially variable throughout a simple carbonate platform stratigraphic architecture. The apparent A′/S′ sequence stratigraphic...

2020

Geophysical and Geochemical Data to Map Ground-Water Contamination-Utah County, Utah

Alvin K. Benson, Kelly L. Payne, Melissa A. Stubben

Utah Geological Association

... electromagnetic data correlate well and were used to help map the contaminant plume which was delineated as an area of high apparent and interval resistivities...

1995

Relations Between Kinds of Well Data and Apparent Faulting: GEOLOGICAL NOTES

H. H. Suter

AAPG Bulletin

...Relations Between Kinds of Well Data and Apparent Faulting: GEOLOGICAL NOTES H. H. Suter 1946 1910 1917 30 11. (November) In the course of a study...

1946

Experimental Investigation of Foam Rheology in Rough Fractures

Anuradha Radhakrishnan, Keith Johnston, David DiCarlo, Maša Prodanović

Unconventional Resources Technology Conference (URTEC)

... unconventional wells (Malpani et al., 2020). The increase in apparent viscosity of foam is quantified using mobility reduction factor (MRF), described below...

2021

Effect of Anisotropy on Apparent Resistivity Curves

Sylvain J. Pirson

AAPG Bulletin

...Effect of Anisotropy on Apparent Resistivity Curves Sylvain J. Pirson 1935 37 57 19 1. (January) The anisotropic character of the sedimentary...

1935

Geology and Quality of Coal Beds in the Cretaceous Corwin Formation in the Northern Foothills of Western Arctic Alaska - Abstract

James E. Callahan

Alaska Geological Society

... lenticular, and tend to be more continuous in probable paleocurrent direction. Coal quality and apparent rank have been determined from analyses...

1983

Use of Microprobe Diagrams for Distinguishing Reservoirs in Carbonate Sections

N. A. Perkov Н. А. Перьков

Petroleum Geology: A Digest of Russian Literature

... readings of the apparent resistance (KC*) and by the presence of positive increments. This is the result of the development of a mud cake on the walls...

1958

ABSTRACT: Newark East, Barnett Shale Field, Wise and Denton Counties, Texas; Barnett Shale Frac Gradient Variances

David F. Martineau

Fort Worth Geological Society

... apparent that in the north part of the field the Lower Barnett (+600') could be subdivided into five (5) ("A" thru "E") correlatable porosity units...

2003

ABSTRACT: Coal Resources and Coalbed Methane Potential in the Kansas Portion of the Forest City Basin

Lawrence L. Brady, Willard J. Guy

Kansas Geological Society

... for coals 14 inches (35 cm) or greater in thickness. Apparent rank of the coals is generally high-volatile B bituminous. Of primary concern for methane...

1999

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