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The AAPG/Datapages Combined Publications Database

Showing 4,574 Results. Searched 195,387 documents.

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Mapping Basement Structures in the Peace River Arch of Alberta Using Monogenic Signal Decomposition of Magnetic Data; #41498 (2014)

Hassan H. Hassan

Search and Discovery.com

...) and two secondary attributes (directional Hilbert and Riesz transform). Although many magnetic attributes have been utilized to map subtle geologic...

2014

You Can Get There From Here!

Kathy A. Taerum

Search and Discovery.com

... on the earth, one needs to know which Spheroid (the mathematical shape that approximates the shape of the earth) is the reference and the Datum, which...

Unknown

You Can Get There From Here!

Kathy A. Taerum

Search and Discovery.com

... on the earth, one needs to know which Spheroid (the mathematical shape that approximates the shape of the earth) is the reference and the Datum, which...

Unknown

Abstract: Grid Free Object/Event based Facies Modeling of Estuarine System; #90172 (2014)

R. M. Hassanpour, C. V. Deutsch

Search and Discovery.com

.... Features millimeters thick or kilometers in extent are represented in the same model. Geological sequences are represented by mathematical functions...

2014

Three-Dimensional Depth Imaging of Seismic Data to Assess Subsurface Geology in Northern Utah and Southwestern Wyoming

Alvin K. Benson

Utah Geological Association

... by Fourier transform: Geophysics, v. 43, p. 23–48. Stolt, R.H., and Benson, A.K., 1986, Seismic Migration. Geophysical Press, Amsterdam, The Netherlands...

1999

Using Stage Level Microseismic Analysis to Gain Insight Into Fracture Efficiency and Completion Effectiveness

Iris Haihong Wang, Ryan Fairfield, James Courtier, Danny Gray, Shawn Lee

Unconventional Resources Technology Conference (URTEC)

... itself. The algorithm uses a non-uniform Fourier transform to approximate the actual empirical characteristic function. Figure 4 shows the algorithm...

2018

Three-Dimensional Depth Imaging of Seismic Data, with Examples from the Overthrust Belt of Southwestern Wyoming

Alvin K. Benson

Wyoming Geological Association

.... 34-56. Stolt, R.H., 1978, Migration by Fourier transform: Geophysics, v. 43, p. 23-48. Stolt, R.H., and A.K. Benson, 1986, Seismic migration: Theory...

1995

Detrital Quartz as a Natural Tracer--fourier Grain Shape Analysis

Robert Ehrlich, John J. Orzeck, Bernhard Weinberg

Journal of Sedimentary Research (SEPM)

...Detrital Quartz as a Natural Tracer--fourier Grain Shape Analysis Robert Ehrlich, John J. Orzeck, Bernhard Weinberg 1974 Vol. 44 No. 1. (March...

1974

Sieve Data-Size and Shape Information

Stephen K. Kennedy, Thomas P. Meloy, T. E. Durney

Journal of Sedimentary Research (SEPM)

... periodically during the sieving of single samples and analyzed using Fourier methods. It was found that sediment with the largest harmonic amplitudes...

1985

ABSTRACT: Analysis of Microcracks in Artificially Coalfied Peats

Arthur D. Cohen, C.M. Prince, A.M. Bailey, C.S. Ho, W.C. Riese, S. Thibodeaux

The Society for Organic Petrology (TSOP)

... in textures and microcracks were investigated using area point counts and variety of image analysis'techniques, including 2-D Fourier h Analysis of t e...

1999

Geology of Blue Springs Gas Field Jackson County, Missouri: DISCUSSION

Glenn G. Bartle

AAPG Bulletin

... words regarding the review of my paper "The Geology of the Blue Springs Gas Field, Jackson County, Missouri" by Mr. Eugene A. Stephenson...

1933

Development of Agile Framework for Model-Order Reduction of Large-Scale Geomechanical Models: A Novel Workflow for Coupled Simulations

Patrick Morkos, Eduardo Gildin

Unconventional Resources Technology Conference (URTEC)

...ming them into a set of independent (decoupled) equations using Fourier transform. The corresponding system is called eigenproblem and given by (𝐊 ...

2020

New Exploration Technology for South Texas

Perry O. Roehl , Emil Y. Ostrovsky , Alexander Weinberg

GCAGS Transactions

...New Exploration Technology for South Texas Perry O. Roehl , Emil Y. Ostrovsky , Alexander Weinberg 1998 Vol. 48 (1998), A new mathematical...

1998

Analysis and modeling of intermediate-scale reservoir heterogeneity based on a fluvial point-bar outcrop analog, Williams Fork Formation, Piceance Basin, Colorado

Matthew J. Pranter, Amanda I. Ellison, Rex D. Cole, Penny E. Patterson

AAPG Bulletin

...%.The algorithm used to generate the stochastic porosity models is a fast Fourier transform, which performs the convolution of a white noise field...

2007

Continuous Sea-Floor Spreading in Red Sea: An Alternative Interpretation of Magnetic Anomaly Pattern

J. L. Labrecque , N. Zitellini

AAPG Bulletin

...) = inverse Fourier transform of A(k), the anomaly spectrum; F(k) = earth and phase filters (Schouten and McCamy, 1972), which express the effects...

1985

Unraveling the Origin of Carbonate Platform Cyclothems in the Upper Triassic Durrenstein Formation (Dolomites, Italy)

Nereo Preto, Linda A. Hinnov

Journal of Sedimentary Research (SEPM)

... on the Fourier transform is our instrument of choice for detecting time periodicity and for determining whether a time series is Milankovitch-driven or not. A ca...

2003

Magnetic Anomalies of the Northern Gulf of California: Structural and Thermal Interpretations: Chapter 22: Part III. Regional Geophysics and Geology

O. Sanchez-Zamora, P. Doguin, R. W. Couch, G. E. Ness

AAPG Special Volumes

... in calculations made by using the two-dimensional fast Fourier transform method for obtaining the power spectrum. Estimates of Curie-point isotherm depths obtained...

1991

Recognition of Subtle Features in Geologic Maps

J. E. Robinson, D. F. Merriam

CSPG Special Publications

...., and Preston, F. W., 1965, Fourier series analysis in geology: Univ. Arizona, College of Mines, v. 1, p. R-1-R-46. Krumbein, W. C., 1959, Trend...

1980

The Significance of Petroleum Resource Estimates and their Relation to Exploration

D. L. Barss

CSPG Bulletin

... mathematical/geological computer studies) will significantly improve the accuracy of potential estimates unless the data base is increased. The traditional...

1978

Chi (X): A Proposed Standard Parameter for Settling Tube Analysis of Sediments

James P. May

Journal of Sedimentary Research (SEPM)

... the use of a log transform of settling speed as a descriptive parameter of sedimentary particles. He used the log to the base 10 of the settling speed...

1981

Aspects of Rock Physics From Laboratory and Log Data that are Important to Seismic Interpretation: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data

A. R. Gregory

AAPG Special Volumes

... to avoid aliasing effects. The digitized waveforms are transformed to the frequency domain through a discrete Fourier Transform program...

1977

Relating Electrical Resistivity to Permeability Using Resistor Networks

Alison Kirkby, Graham Heinson, Lars Krieger

Petroleum Exploration Society of Australia (PESA)

... self-similar fracture surfaces, which uses the inverse Fourier transform to generate fractures with power spectral density functions described...

2016

Unsteady-state diffusion modeling of gas in coal matrix for horizontal well production

Jian-Chun Guo, Ren-Shi Nie, and Yong-Lu Jia

AAPG Bulletin

... related sorption processes in coal: A review: International Journal of Coal Geology, v. 87, no. 2, p. 49–71, doi: 10.1016/j.coal.2011.04.011.Chen, S. M...

2014

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