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The AAPG/Datapages Combined Publications Database

Showing 27,031 Results. Searched 190,755 documents.

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Abstract: Robust Multiple Attenuation Workflow and Flexible Anisotropic Tomography for Better Imaging. Shallow Water Case Study, Gulf of Suez; #90319 (2018)

Ahmed Khaled Ali, Mahmoud Ahmed, Matthias König, Tillmann Roth, Ivica Mihaljevic, Sameh Abdel-Basset, Mahmoud Ouda, Wessam Saleh, Tarek El-Melegy, Hesham Abu El-Saad

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... on only few near offset traces because the critical reflection angle is usually reached quickly. Unfortunately, this limits the effectiveness of any...


ABSTRACT: The Prediction Error Filters Applied for Structural Dip Interpretation; #90133 (2011)

Alfredo Fernandez and Kurt J. Marfurt

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...ABSTRACT: The Prediction Error Filters Applied for Structural Dip Interpretation; #90133 (2011) Alfredo Fernandez and Kurt J. Marfurt The Prediction...


Enhanced Resolution Seismic and New Subsurface Insights: Miocene Section, St. Mary Parish, Louisiana

V. Egorov, C. I. Puryear, R. Tharimela, J. Jurasin

GCAGS Transactions

... of the subsurface with a focus on the Miocene section. To achieve this objective, an innovative spectral extrapolation algorithm was applied following a structural...


Computer Mapping of Pinnacle Reefs, Evaporites, and Carbonates: Northern Trend, Michigan Basin: Chapter 5

David E. Hamilton, Skye K. Henize

AAPG Special Volumes

... the trend of the surface beyond data limits as far as contours are desired. Some algorithms use surrounding data points to calculate strike and dip...


Abstract: A Phase Shift Plus Interpolation Extrapolation for Two-way Wave Equation Migration; #90172 (2014)

Jianhua Pan

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... usually limits dips to less than 85 degrees and thus the steep dip and turning rays are imaged through Kirchhoff techniques, which fail to handle...


Seismic Trace Interpolation using Adaptive Prediction Filters

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...Seismic Trace Interpolation using Adaptive Prediction Filters Seismic Trace Interpolation using Adaptive Prediction Filters Mostafa Naghizadeh...


Handling Complex Stratigraphic Relationships Using Volume Based Modeling and Stair-Step Grids; #42055 (2017)

Rosa M. Aguilar, Carlos Nuñez, Vanessa Villarroel, Marcos Victoria

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... by the two main SW-NE trend faults and by two smaller NW-SW faults. In order to avoid the extrapolation of the data outside these limits a watertight...


VSP Guided Reprocessing and Inversion of Surface Seismic Data

R. Gir, Dominique Pajot, Serge Des Ligneris

Southeast Asia Petroleum Exploration Society (SEAPEX)

... a multiple local dip computation. The dip tendency calculation at any point is made over a previously defined window of seismic traces. These surfaces...


Identifying and Fixing Artifacts that Arise in Structure-Oriented Filtering; #42479 (2019)

Satinder Chopra, Kurt Marfurt

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.... Principal component structure-oriented filters go one step further by using not only the five or nine samples along structural dip and azimuth...


ABSTRACT: New Methods for Extracting and Constructing Fault Surfaces from 3D Seismic Data; #90013 (2003)


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... features, the geometrical attributes, such as dip and trend, can be used. Randen et al. [1] and Pedersen et al. [2] took use of the principals for ‘‘swarm...


Characterizing Fracture Corridors for a Large Carbonate Field of Kuwait by Integrating Borehole Data with the 3-D Surface Seismic, #40464 (2009)

Sunil K. Singh, Mahmood Akbar, Badruzzaman Khan, Hanan Abu-Habbiel, Bernard Montaron, Lars Sonneland and Robert Godfrey

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... Filter was set to 045-135 & 225-315 and with the same dip inclination filter. Filters: Search Azimuth : 315-045 & 135-225 Dip Angle : > 70 Filters...


Using and Improving Surface Models Built by Computer: Part 8. Integrated Computer Methods

David E. Hamilton

AAPG Special Volumes

... no time exists for making corrections. Apply Filters to the Model A common problem with computer-generated surface models are surface structures...


A Practical Review of Migration Issues and Solutions; #40723 (2011)

Ian F. Jones

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...), and the differential methods, which use wavefield extrapolation to solve the migration equations (these include reverse time migration (RTM...


Structural Analysis Using Spatial Filtering in Interior Plains of South-Central Alberta

J. E. Robinson , H. A. K. Charlesworth , M. J. Ellis

AAPG Bulletin

...., 1966, A pictorial digital atlas: Pasadena, California, United Geophysical Corp., 53 p. Rich, J. L., 1935, Graphical methods for eliminating regional dip...


Spectral and Temporal Analysis Provides Tectonic and Stratigraphic Results from North Louisiana Seismic Data

Valentin Makarov , Iosif A. Mushin , Eugeniy A. Kozlov , Chris J. Krotzer , Patricia J. Meeks , Allen Lowrie

GCAGS Transactions

..., have been applied to a dip section in Winn County, northern Louisiana. Traditional tectonic interpretations have been of normal, down-to-the-basin...


Oxfordian Erg Play Fairway Evaluation in the Gulf of Mexico Using 2D and 3D Seismic Evidence

Karyna Rodriguez, Eric Newman, Mike Saunders

GCAGS Transactions

... of Houston (Houston, Texas). By applying different filters to the residual gravity anomaly map, they identified distinct patterns of ridge transform...


Recognition of Subtle Features in Geologic Maps

J. E. Robinson, D. F. Merriam

CSPG Special Publications

..., it is possible to design filters that will extract features of a size that is close to the limits of recognition. Because filtering destroys a strip around...


Abstract: Event-directed Spectrum Extrapolation for Upsampling Seismic Traces; #90172 (2014)

Zhengshong Yao, Elvis Floreani

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... and Verschuur, 1995), or a dip-filter method (e.g. Ji and Claerbout, 1997). Since last decade, a methods based on spectrum extrapolation technique have...


Implementation of the DIPSCAN Method to Estimate Boundary Dips in Complicated Structures by VSP Data

A. A. Tabakov, V.N.Ferentsi, H. Gravini

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... wave θ dp ( x, z ) and dip ϕ of reflecting boundary ( а) (b) Figure 1. Direct wave times field extrapolation where (a) considered point M is before...


A Comparative Study of 3-D Noise Attenuation Techniques

Daniel Wheaton, Yendri, Kusnarya

Indonesian Petroleum Association

... simultaneously over a group of inline and crossline seismic traces. f-k (frequency-wavenumber) filters that are designed to attenuate linear coherent...


Abstracts: Seismic Attributes on Frequency-enhanced Seismic Data; #90173 (2015)

Satinder Chopra, Kurt J. Marfurt, Somanath Misra

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... component of the surface (Chopra and Marfurt, 2008). Dip-steered mean filters work well on prestack data in which discontinuities appear as smooth...


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