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The AAPG/Datapages Combined Publications Database

Showing 201 Results. Searched 195,354 documents.

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Abstract: Multiples and their Generators Identification from VSP: Case Study from Oman; #90254 (2016)

Mahra M. Al Hadhrami, Saeed Al Yarubi, Said Mahrooqi

Search and Discovery.com

..., then autocorrelation of the data to enhance the reflections. The shallowest depth at which any downgoing multiple terminates indicates its generator depth...

2016

Time Series Analysis I

Roy E. Plotnick and Karen L. Prestegaard

Special Publications of SEPM

... 20742 U.S.A. 3.1.1 3.1 Autocorrelatjon: The Persistence of Memory The calculation of the autocorrelation as a method of studying time series is well...

1995

On The Possible Causes of Continental Drift

A. E. Scheidegger

CSPG Bulletin

... to indicate that the drift is to a degree random. Accordingly, a random walk model with autocorrelation would best fit the postulated values. This idea had been...

1958

ABSTRACT: Spatial Scales and Distribution of Hydrocarbon Seeps near Coal Oil Point, California; #90013 (2003)

Libe Washburn, Phaedon Kyriakidis, Eun-Hye Yoo, Jordan F. Clark

Search and Discovery.com

... seepage near Coal Oil Point. Spatial analysis and objective mapping techniques reveal patchy distributions of high flux regions. Spatial autocorrelation...

2003

ABSTRACT Reservoir Average Porosity Uncertainty Assessment with Limited Well Data, #90104 (2010)

Shang Zhucheng , Bruce", Alfred Dicman, Caldwell Don

Search and Discovery.com

... average  porosity, but the continuous log samples are not random and independent. Techniques like autocorrelation or vertical variogram may be then used...

2010

Abstract: Virtual Sensors in Seismic Acquisition; #90254 (2016)

Ibrahim Alhukail, Luc Ikelle

Search and Discovery.com

... is essentially based on the second-order statistics (i.e., covariance cross-correlation, and autocorrelation). We can use information from higher-order statistics...

2016

Codes and Ciphers: Decoding Natures Disorder: PART I

Dirk-Jan Van Manen, Johan O. A. Robertsson, Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... autocorrelation (apart from the central peak) as well as mutual cross-correlation properties. The individual source wavefields can then be obtained from...

2016

Seismic Modeling of Reservoir Heterogeneity Scales: An Application on Gas Hydrate Reservoirs

Search and Discovery.com

... a von Karman style autocorrelation function and a bimodal probability density function. P- and S-wave side scattering, wave mode conversion...

2013

Fourier and Autocorrelation Analysis of Estuarine Tidal Rhythmites, Lower Breathitt Formation (Pennsylvanian), Eastern Kentucky, USA

Ronald L. Martino, Dewey D. Sanderson

Journal of Sedimentary Research (SEPM)

...Fourier and Autocorrelation Analysis of Estuarine Tidal Rhythmites, Lower Breathitt Formation (Pennsylvanian), Eastern Kentucky, USA Ronald L...

1993

Abstracts: Impedance Inversion of Phase Corrected Data- A Case Study; #90173 (2015)

Somanath Misra and Satinder Chopra

Search and Discovery.com

... is crucial to an effective and accurate deconvolution. Autocorrelation of the seismic trace is an estimator of the autocorrelation of the wavelet. Since...

2015

ABSTRACT: VARIABILITY IN BIOLOGICAL PROXIES FOR UNDERSTANDING PALEOENVIRONMENTAL CHANGE AT PTARMIGAN LAKE, ALASKA; #90114 (2010)

Mary L. Carson, Caleb Schiff, and Darrell S. Kaufman

Search and Discovery.com

...). In this interval, OM is correlated with January temperature (r=0.42, p=0.038 (adjusted for autocorrelation)), October temperature (r=0.38, p=0.023), October...

2010

Abstract: Effects Of Different Map Interpolation Techniques On The Twt Surface Map; #90315 (2017)

Apourv Pandey, Khiroj Padi, Rajesh Pandey, A.S. Venkatesh

Search and Discovery.com

... of cells at locations that lack sampled points. It is based on the principle of spatial autocorrelation or spatial dependence, which measures degree...

2017

Correlation and Regression Analysis: Part 6. Geological Methods

T. C. Coburn

AAPG Special Volumes

... more than two variables. Cross correlation and autocorrelation are important to the analysis of repeated patterns observed in time and space...

1992

Bed-Thickness Structure of Multi-Sourced Ramp Turbidites: Devonian Brallier Formation, Central Appalachian Basin

Carl N. Drummond

Journal of Sedimentary Research (SEPM)

... processes, wherein initiation of turbidite formation was largely independent of rates of sediment accumulation along shelf margins. Autocorrelation...

1999

A New Method for Handling the Nugget Effect in Kriging

K. Krivoruchko, A. Gribov, J. M. Ver Hoef

AAPG Special Volumes

..., environmental sciences, agriculture, and other disciplines. It operationally and theoretically depends on models of spatial autocorrelation, which can...

2006

A Bayesian Framework for Addressing the Uncertainty in Production Forecasts of Tight Oil Reservoirs Using a Physics-Based Two-Phase Flow Model

Leopoldo M. Ruiz Maraggi, Larry W. Lake, Mark P. Walsh

Unconventional Resources Technology Conference (URTEC)

... of parallel Markov chains with an adaptative M-H MCMC scheme addresses the issues of convergence, mixing, and autocorrelation while speeding up...

2020

Near-Shore Ripples: Some Hydraulic Relationships

A. S. Trenhaile

Journal of Sedimentary Research (SEPM)

... of hydraulic parameters. Although stepwise regression and simple correlation procedures were employed, the effects of autocorrelation and multicollinearity casts...

1973

Abstracts: Prewhitening with Matrices; #90173 (2015)

C. Robert Pinnegar

Search and Discovery.com

... normal equations (4) where and denote the entries of and , and denotes the lag of the autocorrelation of , (5) The usual way of including...

2015

High Resolution Characterization of Reservoir Heterogeneity with Cross-well Seismic Data … A Feasibility Study, #41591 (2015).

Brad Bonnell, Chuck Hurich, Rudi Meyer

Search and Discovery.com

... the autocorrelation of a sliding window of seismic data to the autocorrelation of the von Karman model (Hurich, 1996). The von Karman model is defined...

2015

Deterministic and Statistical Wavelet Processing

Lee Lu

Southeast Asia Petroleum Exploration Society (SEAPEX)

... implies that the autocorrelation of the seismic trace is equal to the auto-correlation of the wavelet while the assumption that the wavelet is minimum...

1980

Mineral Resource Estimation and Statistical Exploration

F. P. Agterberg

CSPG Special Publications

.... Initially, the first four values of Figures 13A-D were converted to autocorrelation coefficients and plotted on semilogarithmic paper. Although...

1980

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