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The AAPG/Datapages Combined Publications Database

Showing 5,195 Results. Searched 200,599 documents.

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ABSTRACT: Geochemical and Microbiological Aspects of Two Terrestrial Methane Seeps, Oklahoma USA; #90007 (2002)

Galen Miller, John Senko, Lee Krumholz, Thomas Dewers

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... of methanotrophic and sulfur-oxidizing microbes have been studied via microcosm and in situ methods. Inverse chemical modeling and isotopic constraints in both...

Unknown

ABSTRACT: Eolian Reservoir Facies within the Upper Jurassic Smackover Formation, Western-Central Mississippi: A New Exploration Target; #90021 (2003)

WILLIAM A. TEDESCO, R. P. MAJOR

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... are commonly inverse graded and contain vadose meniscus cements. This sandstone was deposited as small eolian dunes that were probably migrating seaward...

2003

ABSTRACT: Enhanced Resolution in the Tiguentourine 3D Dataset Through Q Compensation; #90016 (2003)

B. Taylor, R. Crider

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... dataset was used to define inverse filters to compensate the data for loss of amplitude and for phase distortions. The Q profiles employed were...

Unknown

ABSTRACT: Restoring High Resolution in Surface Seismic Data; #90051 (2006)

Khalid Alrufaii, Kangan Fang

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... components. The VSP data analysis can be performed in either the time or the frequency domain which produces inverse filter operators at each consecutive...

Unknown

ABSTRACT: The Use of Seismic Impedance to Locate a Discovery Well, South of Ghawar Field; #90051 (2006)

Thomas Loretto, Adel Al-Mousa

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... Well 2 location did not fall within an impedance minimum. The impedance minimum is the ideal, given an inverse relationship between impedance...

Unknown

ABSTRACT: Complex Near-Surface Problems Management Using the CFP Technology: Part 1 … Principles; #90051 (2006)

E. Verschuur, M. N. Al-Ali

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... inverse wave field extrapolation which gains a great deal from the summation processes involved, and hence, resulting in an improved the signal to noise...

Unknown

ABSTRACT: Physio-Chemical Characterization of Unsaturated Zone with Special Reference to Chemical Processes; #90061 (2006)

Lakshmanan Elango and Ramasubramaniam Kannan

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... geochemical reactions along the downward infiltration flow path, with the help of standard mass balance modelling software code. Inverse mass balance models...

2006

ABSTRACT: Reservoir Resistivity Mapping Using Nonlinear 3-D Inversion of Marine Controlled-Source Electromagnetic (CSEM) Data; #90061 (2006)

L.J. Srnka, D.E. Willen, J.J. Carazzone, D.A. Pavlov, K.E. Green, and C. Jing

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... scattered fields) of deep targets, and the strongly ill-posed nature of the electromagnetic inverse problem. However, recent inversion results from...

2006

ABSTRACT: Probing Fault Zone Heterogeneity on the Nojima Fault: Constraints from Zircon Fission-Track Analysis of Borehole and Trench Samples; #90061 (2006)

Takahiro Tagami, Masaki Murakami, and Kenji Nagahara

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... annealing zone (ZPAZ) was estimated by the inverse modeling of FT data using the Monte Trax program; i.e., ~4 Ma within ~3 m (in the hanging wall only) from...

2006

Abstract: States of Stresses in the Moroccan Permian Mesetian Basins

Amal Saidi, Abdelfatah Tahiri, Lahcen Ait Brahim

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... and N110-135 senestral strike slip associated with sub N0 inverse faults. - Compression NNW-SSE to NS responsible for dextral NW-SE strike sleep and NE-SW...

2008

Abstract: Fault-Slip Analysis and their Constraints on Paleostress State Evolution

Judith Sippel and Magdalena Scheck-Wenderoth

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...-method (Sperner et al., 1993) and the Multiple Inverse Method (Yamaji, 2000). For each homogeneous subset the reduced stress tensor is determined...

2008

ABSTRACT: A Supervised Pre-Stack Seismic Inversion Algorithm for Extraction of Earth Parameters; #90113 (2010)

Alireza Shanin, Paul Stoffa, and Robert Tatham

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... priors. In summary, the proposed algorithm is flexible enough to be adjusted with any inverse problem by tuning the appropriate weighting function...

2009

ABSTRACT: Análise de métodos de determinação de limiares e interpoladores em dados geoquímicos de superfície aplicada a exploração de hidrocarbonetos; #90108 (2010)

Michel A. Bedregal, Michel A. Bedregal, and Marcus Tenorio

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... (minimum curvature and the inverse square of the distance) and geostatistical (kriging). The measurements obtained in the field were analyzed...

2010

ABSTRACT: Re-evaluating Depositional Models for Shelf Shales; #90108 (2010)

Janok Bhattacharya and James A. MacEachern

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... hyperpycnal character. Physical sedimentary structures include diffusely stratified beds that show both normal and inverse grading, indicating sustained...

2010

ABSTRACT: SAGD Well Planning Using Stochastic Inversion; #90108 (2010)

Franck Delbecq and Remi Moyen

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... the conditioning well data. The multiplicity of models from stochastic inversion more realistically represents the inherent non-uniqueness of the inverse problem...

2010

ABSTRACT: Integrated Characterization of a Gas-Shale; #90132 (2011)

Nabanita Gupta

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... the presence of most pore-spaces within organic matter. Bulk density and compressional velocity exhibited inverse correlations with TOC. Transferring...

2011

Abstract: Early Prediction of Ultimate Production Calibrated to Historical Data, Method for Unconventional Gas; #90172 (2014)

Jean-Yves Chatellier

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... as the inverse function mathematics behind it is simple and reliable. 1...

2014

Abstract: Seismic Source Wavelet Estimation and Sparse-spike Deconvolution; #90174 (2014)

Zhengsheng Yao and Mike Galbraith

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... and usually involves a non-linear inverse problem. Such kind of inverse problems are generally ill-posed due to a band limited source wavelet...

2014

Abstract: Kirchhoff Imaging in a Matrix Form. Part II: Least Squares Migration; #90174 (2014)

Abdolnaser Yousefzadeh and John C. Bancroft

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... reflectivity model by , and the Kirchhoff modelling operator by , the seismic data, , is given by, . (1) The inverse of this calculation should return...

2014

Abstract: A Novel Deterministic Alternative for Facies Modeling; #90187 (2014)

Olena Babak

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... the assumption of stationarity. In the case of continuous random variables, another viable alternative is inverse distance weighted (IDW) interpolation...

2014

Abstract: 3D Inversion of Time-Domain Electromagnetic Data for Ground Water Aquifers; #90224 (2015)

Elliot M. Holtham, Mike McMillan, and Eldad Haber

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... problem repeatedly on such a mesh can quickly become impractical. Fortunately, using a single mesh for both the forward and inverse problem for all...

2015

Abstract: Estimation of Curie Isotherm and Heat Flow of Eastern Chad basin, Nigeria from Spectral Analysis of Aeromagnetic Data; #90255 (2017)

Emmanuel Anakwuba, Harold Okeke, Ifeanyi Chinwuko, Clement Onyekwelu

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... that areas of high heat flow correspond to high geothermal gradient within the study area. An inverse relationship exists between calculated curie depths...

2017

Abstract: PATTERNS IN FINE GRAINED SEDIMENT DEPOSITION IN THE FALSE RIVER POINT OF THE LOWER MISSISSIPPI RIVER VALLEY; #90298 (2017)

Adam Gostic

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... and maximum migration rates in the downstream direction. An inverse relationship is thus expected to exist between the dip angle of undisturbed point bar...

2017

Abstract: A Source-to-Sink Study of the Neogene Sediment Fluxes in the Niger Delta; #90310 (2017)

Anthony C. Henshaw, Lidia Lonergan, Alex Whittaker, Gareth G. Roberts

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... to hundreds of meters of relief. These observations and preliminary inverse modelling suggest that the domal swells within the Niger drainage basin experienced...

2017

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