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The AAPG/Datapages Combined Publications Database

Showing 11,036 Results. Searched 195,354 documents.

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AAPG Studies in Geology 47: Geological Perspectives of Global Climate Change, Chapter 11 - The Search for Patterns in Ice-Core Temperature Curves

Davis, John C.; Bohling, Geoffrey C.

AAPG Special Volumes

... of the different periodicities, can be estimated and displayed as a spectrum, or plot of power versus periodicity.2 Figure 6 is the power spectrum...

2001

Spectral Balancing of Seismic Data Using Spectral Decomposition; #41976 (2017)

Satinder Chopra, Kurt J. Marfurt

Search and Discovery.com

... spatially and in the given time window, which yields a smoothed average power spectrum, given by Pavg(t, f). Next, the peak of the average power spectrum...

2017

Development of Raman Spectroscopy as a Thermal Maturity Proxy in Unconventional Resource Assessment

Grant Myers, Kelsey Kehoe, Paul Hackley

Unconventional Resources Technology Conference (URTEC)

... per sample. Map areas were ~5,000 μm2, with a spectrum collected from every square micrometer. The organic carbon G- (Graphitic-) and D- (Disordered...

2018

Abstract: Investigating the Low Frequency Content of Seismic Data with Impedance Inversion; #90187 (2014)

Heather J. E. Lloyd and Gary F. Margrave

Search and Discovery.com

..., Integration: Geoscience Engineering Partnership, 6-12 May 2013, Calgary, AB, Canada  Determine a scalar that matches the mean power from the spectrum...

2014

Geothermal energy

John Gibb, Elliot Yearsley

GEO ExPro Magazine

... depth. The power that such a system provides ranges between 2 and 20 kW, which is sufficient for a single house. But what if you would drill a little...

2023

Quantitative Analysis of a Cyclic Peritidal Carbonate Sequence, the Middle and Upper Devonian Lost Burro Formation, Death Valley, California--A Possible Record of Milankovitch Climatic Cycles

Wan Yang , Fraka Harmsen , Michelle A. Kominz

Journal of Sedimentary Research (SEPM)

... were performed on the series. In this case, the short-period spectral peaks on the gamma-corrected spectrum are clearly separated and spectral power...

1995

Looking back, moving forward

Wolfgang Schlager

Special Publications of SEPM

... clinoforms is high sediment supply at the top, gravity transport down the slope and decay of transporting power on the flat basin floor. Carbonates...

2005

A method to evaluate pore structures of fractured tight sandstone reservoirs using borehole electrical image logging

Liang Xiao, Junran Li, Zhiqiang Mao, and Hongyan Yu

AAPG Bulletin

.... A classified power function (CPF) may be used to accurately construct a Pc curve using the porosity spectrum. This method involves the following procedures...

2020

Application of Pseudorandom m-Sequences for Seismic Acquisition

Joe Wong

Search and Discovery.com

..., and T = L*W is the period of the sequence. Because an m-sequence is periodic, its power spectrum discrete; with values at the discrete frequencies fn =n*'f...

Unknown

Application of Pseudorandom m-Sequences for Seismic Acquisition

Joe Wong

Search and Discovery.com

..., and T = L*W is the period of the sequence. Because an m-sequence is periodic, its power spectrum discrete; with values at the discrete frequencies fn =n*'f...

Unknown

Abstract: Models and data for tidal power studies

David Greenberg

Atlantic Geology

...Abstract: Models and data for tidal power studies David Greenberg atlantic geology . volume 46 . 2010 52 Models and data for tidal power studies...

2010

Table 1 Wave Power and Delta Morphologies

James M. Coleman, David B. Prior

AAPG Special Volumes

...Table 1 Wave Power and Delta Morphologies James M. Coleman, David B. Prior 1980 170 171 CN 15: Deltaic Sand Bodies A. Wave Power End_Page 170...

1980

Revolution in Energy Fuels and Minerals

Maury M. Travis

Earth Science Bulletin (WGA)

...), - to an amazing proliferation of nuclear power plants and the second uranium boom of the 1950’s –1960’s, - to the commercial marriage of marine...

1968

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

... the complex-valued time-frequency spectrum produced by the Gabor transform. The first method is time-dependent Gabor decomposition (TDGD), which decomposes...

2014

ABSTRACT: An effect of pressure on the coal structure and microtexture

Ł. Smĕdowski

The Society for Organic Petrology (TSOP)

.... The laser power at the sample surface was controlled at ca 0.5 mW. The laser spot diameter reaching the sample at ca 1 m was much larger than...

2013

Identifying Spikes in Sonic Slowness and in Resistivity in the Tuscaloosa Marine Shale Using Continuous Wavelet Transform

Carol Wicks, Samiha Naseem

GCAGS Journal

... the wavelet-power spectrum using a procedure outlined in the online interactive tool (http://atoc.colorado.edu/research/wavelets/) provided...

2017

3-D Seismic Volume Visualization in Color; #42491 (2020)

Satinder Chopra, Ritesh Kumar Sharma, Kurt J. Marfurt

Search and Discovery.com

... are rendered on workstation monitors. The Visible Spectrum Light consists of waves that form a small region of the electromagnetic spectrum...

2020

Abstract: A New Method for Microseismic Event Detection and Automatic Time Picking; #90187 (2014)

Yoones Vaezi and Mirko van der Baan

Search and Discovery.com

... data windows and the average power spectrum could act as the criterion for detection of events. Since the crosscorrelation values are controlled...

2014

The Economics of Geothermal Development in Indonesia

Widjajono Partowidagdo, Alex Hanief Isyna

Indonesian Petroleum Association

... and Problems. Indonesian National Committee - World Energy Council Conference. Preface Indonesia has a wide spectrum of natural energy resources including both...

1992

Reability of Kaji Field Oil Production: Modification of 2MVA Power Transformer

Ivan Candra Yudha, Ferry Hendrawan

Indonesian Petroleum Association

...Reability of Kaji Field Oil Production: Modification of 2MVA Power Transformer Ivan Candra Yudha, Ferry Hendrawan IPA14-E-150 PROCEEDINGS...

2014

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