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The AAPG/Datapages Combined Publications Database

Showing 638 Results. Searched 190,981 documents.

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Conceptual Design for Mitigating Harmonic Distortion on ESP Installation: Case Study in Kaji Semoga Field, Medco E&P Indonesia

Sandy Suryakusuma, Suprapto Atmowiranto, Dadang Darmawan

Indonesian Petroleum Association

...Conceptual Design for Mitigating Harmonic Distortion on ESP Installation: Case Study in Kaji Semoga Field, Medco E&P Indonesia Sandy Suryakusuma...

2017

Spherical Harmonic Deformation--A Discussion

D. G. de Paor

Journal of Petroleum Geology

...Spherical Harmonic Deformation--A Discussion D. G. de Paor 1980 455 456 2 4 There are so many contentious statements in this paper that only the most...

1980

ABSTRACT: USING HARMONIC HYDRAULIC TESTS TO ESTIMATE FRACTURED BEDROCK PROPERTIES AND PREDICT LOCAL HETEROGENEITY; #90114 (2010)

Eric J. Guiltinan and Matthew Becker

Search and Discovery.com

...ABSTRACT: USING HARMONIC HYDRAULIC TESTS TO ESTIMATE FRACTURED BEDROCK PROPERTIES AND PREDICT LOCAL HETEROGENEITY; #90114 (2010) Eric J. Guiltinan...

2010

New Techniques for Stratigraphic Analysis and Correlation--Fourier Grain Shape Analysis Louisiana Offshore Pliocene

John V. Mrakovich, Robert Ehrlich, Bernhard Weinberg

Journal of Sedimentary Research (SEPM)

... so, throughout harmonic 20, demonstrating that the upper half of the 11,000 foot interval contains quartz grains that, on the average are smoother than...

1976

A Preliminary Study of the Relationship Between Test Morphology and Bathymetry in Recent Bolivina Albatrossi Cushman, Northwestern Gulf of Mexico

Anthony C. Gary

GCAGS Transactions

... using Fourier harmonic amplitudes suggests the bathyal zone may be divided into four subzones. With further development this approach may allow...

1985

SPHERICAL HARMONIC DEFORMATION

A. Challinor

Journal of Petroleum Geology

...SPHERICAL HARMONIC DEFORMATION A. Challinor 1979 75 102 1 3 A radically new method of structural analysis is proposed which relates the deformation...

1979

Abstract: Towards Using Harmonic NoiseŽ to Image Shallow Thin Reflectors; #90187 (2014)

Christopher B. Harrison, Gary Margrave, Michael Lamoureux, Art Siewert, Andrew Barrett, and Helen Isaac

Search and Discovery.com

...Abstract: Towards Using Harmonic NoiseŽ to Image Shallow Thin Reflectors; #90187 (2014) Christopher B. Harrison, Gary Margrave, Michael Lamoureux...

2014

A Method for Reducing the Effects of Base Plate Distortion

S. A. Sorkin

Pacific Section of AAPG

... of base plate distortion can be serious, especially when using a down sweep. Any harmonic frequencies present in the signal being cross-correlated...

1972

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

Robert Ehrlich, John J. Orzeck, Bernhard Weinberg

Journal of Sedimentary Research (SEPM)

... - On), where Rn represents the amplitude of the "nth" harmonic and the remainder concerns the phase angle of that harmonic. The set of harmonic...

1974

Compensating for the Compensation Effect Using Simulated and Experimental Kinetics from the Bakken and Red River Formations, Williston Basin, North Dakota, #41680 (2015).

Stephan H. Nordeng

Search and Discovery.com

... that coincides with the compensation effect. An analytical solution exists that relates the harmonic mean of experimental temperatures containing random errors...

2015

Fourier Grain-Shape Analysis of Antarctic Marine Core: The Relative Influence of Provenance and Glacial Activity On Grain Shape

Daniel N. Livsey, Alexander R. Simms, Warren G. Clary, Julia S. Wellner, John B. Anderson, John P. Chandler

Journal of Sedimentary Research (SEPM)

... the twenty-first Fourier harmonic. Sediment provenance has a greater influence on grain roughness than glacial activity in the study area. However, provided...

2013

Fold Geometry Within Part of Michigan Basin, Michigan

E. H. Timothy Whitten , Walter A. Beckman, Jr.

AAPG Bulletin

... no. 389-135, Contr. no. 1228(26), Tech. Rept. 13, 130 p. Middlemiss, F. A., 1967, Analysis of structure in a region of gentle en echelon folding...

1969

Abstract: Harmonic Decomposition of a Vibroseis Sweep Using Gabor Analysis; #90174 (2014)

Christopher B. Harrison, Gary Margrave, Michael Lamoureux, Art Siewert, and Andrew Barrett

Search and Discovery.com

...Abstract: Harmonic Decomposition of a Vibroseis Sweep Using Gabor Analysis; #90174 (2014) Christopher B. Harrison, Gary Margrave, Michael Lamoureux...

2014

Sources of Pleistocene and Holocene Sand for the Northeast Gulf of Mexico Shelf and the Mississippi Fan

Jim Mazzullo, Charles Bates

GCAGS Transactions

... characteristic of fine sand fraction in representative Mississippi Fan samples. Figure 11. Vertical variation in mean second-harmonic amplitude value in sands...

1985

Correlating Versus Inverting Vibroseis Records: Recovering What You Put into the Ground; #41577 (2015)

Glen Larsen, Paul Hewitt, Art Siewert

Search and Discovery.com

... to address three main areas of vibroseis specific noise: harmonic energy, side-lobe spurious reflectivity generated by correlation and, thirdly...

2015

Origin of Patterns of Quartz Sand Types on the Southeastern United States Continental Shelf and Implications on Contemporary Shelf Sedimentation--Fourier Grain Shape Analysis

P. Jeffrey Brown , Robert Ehrlich, Donald J. Colquhoun

Journal of Sedimentary Research (SEPM)

..." continental margin (Emery, 1977). Average slope on the shelf is approximately 1 m/km. Many coastal plain rivers drain into the Atlantic Ocean in North...

1980

Determination of Relative Provenance Contributions in Samples of Quartz Sand Using Q-mode Factor Analysis of Fourier Grain Shape Data

Carolyn Brauer Hudson, Robert Ehrlich

Journal of Sedimentary Research (SEPM)

... are nineteen harmonic amplitudes for each grain. For each sample of grains there are nineteen different shape frequency histograms. These histograms...

1980

Recognition of Sandstone Depositional Environment: A Grain Shape Approach, with an Example from North Padre Island

Jim Mazzullo , Donald Sims

GCAGS Transactions

... environments, however, it apparently plays a greater role; Pettijohn and Lundahl (1943), for example, noted a definite "decrease in average roundness...

1983

An Exact Method for Characterization of Grain Shape

Robert Ehrlich, Bernhard Weinberg

Journal of Sedimentary Research (SEPM)

.... The first term in the series, RO, is equivalent to the average radius of the grain in the plane of interest. For the remainder of the terms, n...

1970

Roughness of Limestone and Quartzite Pebbles by the Modified Fourier Method

Eliza Czarnecka, J. E. Gillott

Journal of Sedimentary Research (SEPM)

... "normalized." At each harmonic the average amplitude for each sample may be divided by the grand mean of all samples. Mean values are thus reduced...

1980

Layered Modulus Effect on Fracture Modeling and Height Containment

Kaimin Yue, Jon E. Olson, Richard A. Schultz

Unconventional Resources Technology Conference (URTEC)

... depending on fracture tip location, namely the modified height-weighted mean and the modified height-weighted harmonic average. By combining linear...

2018

Abstract: A Tectonic Hypothesis to Explain Earth’s Crustal Movement, and May Control A Basin’s Configuration and Depositional Sequence

Eric F. Engbrecht

Abilene Geological Society

... to be a viable mechanism, the following conditions must be met: (1) a harmonic motion, (2) a response of earth’s gravitational field, (3) a residual...

1983

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