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The AAPG/Datapages Combined Publications Database

Showing 21,162 Results. Searched 188,614 documents.

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Abstract: Properties of Gabor Operators for Seismic Imaging; #90171 (2013)

Michael P. Lamoureux and Gary F. Margrave

Search and Discovery.com

...), (Margrave et al., 2003a) and (Margrave and Lamoureux, 2002). Gabor techniques are an extension of the Fourier methods applied to localized signals, allowing...

2013

Abstract: Generalized Frames for Gabor Operators in Seismic Imaging; #90172 (2014)

Michael P. Lamoureux, Gary F. Margrave, Peter C. Gibson

Search and Discovery.com

... constants with where is the identity operator. Generalized frames were introduced by Sun (2006) and are an important extension of the notion of frames...

2014

Broadband Seismic Technology and Beyond: PART X: IsoMetrix … Isometric Sampling

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... sequences, which can then be processed digitally. The classic sampling theorem asserts that a bandlimited signal can be perfectly reconstructed from its...

2014

Microseismic Without Dots … Probabilistic Interpretation and Integration of Microseismic Surveys

Ulrich Zimmer

Unconventional Resources Technology Conference (URTEC)

... all information is represented by PDFs, Bayes theorem can be effectively used to integrate this information consistently. It also allows...

2017

The Probable Error of Sampling Beach Sand for Heavy Mineral Analysis

W. C. Krumbein, W. C. Rasmussen

Journal of Sedimentary Research (SEPM)

...The Probable Error of Sampling Beach Sand for Heavy Mineral Analysis W. C. Krumbein, W. C. Rasmussen 1941 Vol. 11 No. 1. (April), Twenty-four...

1941

Velocity for Pore Pressure Prediction Modeling and Risk Assessment

Selim Simon Shaker

GCAGS Transactions

... stress theorem was introduced by Terzaghy and Beck (1948). It is expressed as the effective stress in zone D is equal to the vertical stress minus...

2016

An Application of the Truncated Pluri-gaussian Method for Modeling Geology

A. Galli, G. Le Loch, F. Geffroy, R. Eschard

AAPG Special Volumes

... the eastwest and northsouth directions. The curves are consistent with intuition about anisotropy. However, because of Theorem 1, the background...

2006

The New Petroleum Geology

Dr. Sylvain J. Pirson

Bulletin of South Texas Geological Society

... field and in its S-W extension, whereas the Eh values are negative outside the promising area. Hence, the electrotelluric currents flowing within the J...

1980

A Probabilistic Model of Oil and Gas Discovery

G. M. Kaufman , Y. Balcer , D. Kruyt

AAPG Special Volumes

... of . Assumption III is an extension of the idea behind assumption II (sampling proportional to size) and says that the probability of a discovery of any size...

1975

Analysis of Fracture Injection Tests using Signal Processing Approach

I. Eltaleb, A. Rezaei, F. Siddiqui, M. M. Awad, M. Mansi, B. Dindoruk, M. Y. Soliman

Unconventional Resources Technology Conference (URTEC)

.... In another model, Liu et al. (2015, 2016) extended the model by Marongiu-Porcu et al. (2014) to account for wellbore storage, tip extension...

2020

Regional Microseep Survey of Part of the Productive Wyoming-Utah Thrust Belt

Roger G. Dickinson , Martin D. Matthews

AAPG Bulletin

... to identify prospects within the region of the seepage. The extension of this technique to the more subtle surface microseeps, through the use...

1993

Field Technique Design for Seismic Reflection Exploration

L. R. Denham

Dallas Geological Society

... are almost flat, migration is often of great use in localizing small faults or attribute changes. The sampling theorem states, “band-limited...

1982

EXTENDED ABSTRACT: Hydrocarbon Generation Modelling along the UK North Eastern Atlantic Margin; #90022 (2002)

I. C. Scotchman, A. D. Carr, J. Parnell

Search and Discovery.com

... to be impossible from the second law of thermodynamics (Carnot Theorem). Given this failure to follow the laws of thermodynamics, the absence...

2002

Deep-Sea Drilling Project--Future Program: ABSTRACT

N. Terence Edgar

AAPG Bulletin

... in a 30-month program extension which will take the drilling vessel Glomar Challenger to the Atlantic, Pacific, and Indian Oceans. Drilling sites have been...

1970

Models for guiding and ranking well-to-well correlations of channel bodies in fluvial reservoirs

Luca Colombera, Nigel P. Mountney, Fabrizio Felletti, and William D. McCaffrey

AAPG Bulletin

... in a realistic reconstruction of likely lateral extension; likelihood is independently considered for each single channel unit, but no information...

2014

Advances in Micromodeling using Resistivity Borehole Images

John G. Manchuk, David L. Garner, Clayton V. Deutsch

CSPG Bulletin

... measurements can be recorded with an effective sampling volume less a centimeter leading to high resolution logs. Recording many logs for the same borehole...

2015

Effect of Anisotropy on Apparent Resistivity Curves

Sylvain J. Pirson

AAPG Bulletin

... of the charts; mainly, the individual layers must be homogeneous and isotropic. A misleading extension of Tagg's method to the interpretation of the three-layer...

1935

Reconciling Extension from Brittle Faulting, Subsidence, and Kinematic Reconstructions: Lessons from the Woodlark Basin, #30089 (2009)

Andrew M. Goodliffe, Joe Kington, and Brian Taylor

Search and Discovery.com

...Reconciling Extension from Brittle Faulting, Subsidence, and Kinematic Reconstructions: Lessons from the Woodlark Basin, #30089 (2009) Andrew M...

2009

Estimating Drilling Direction for Optimum Production in a Fractured Reservoir

Richard C. Nolen-Hoeksema , J. H. Howard

AAPG Bulletin

...), apparent fracture spacing (S) in the plane of the bedding, using the Pythagorean theorem, is EQUATION (1) where S* is the closest fracture spacing...

1987

Abstract: Formation Microscanner Services - A Tool to Define Fine-Scale Geological Features with a 'Core-like' Image

Ali R. Somturk

Geological Society of Malaysia (GSM)

... by the expensive and more time-oonsuming prooedure of full-bore ooring. It is an extension of dipmeter teohnology in whioh soanning eleotrode arrays are used...

1986

Geostatistical Approach in Coal Resource Estimation: ABSTRACT

J. H. Fang, T. H. Starks, Joe Mattern

AAPG Bulletin

... to be a local estimation procedure, the introduction of sampling methodology allows its extension to global estimation problems without excessive cost...

1980

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