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The AAPG/Datapages Combined Publications Database

Showing 27,587 Results. Searched 195,364 documents.

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Seismic diffraction imaging for improved coal structure detection in complex geological environments

Binzhong Zhou, Weijia Sun

Petroleum Exploration Society of Australia (PESA)

... data. The filter estimates the reflections with the average values of the neighbouring traces along the reflection direction or dip, which can...

2018

Importance of Deep Permeable Disposal Formations in Location of a Large Nuclear-Fuel Reprocessing Plant

Wallace de Laguna

AAPG Special Volumes

... the petroleum geologist is skilled at estimating the probable underground conditions by extrapolation from known areas, precise prediction of the directions...

1968

Characteristics of the Free Surface Multiple Attenuation Using Wave Field Extrapolation; #40504 (2010)

Patrícia P. Ferreira, Marco Antonio, Cetale Santos, and Luiz Landau

Search and Discovery.com

... flat or irregular (dip). This work analyzes the reliability of forward acoustic wave field extrapolation in the multiple reflection prediction...

2010

APPLICATION OF FORMATION TESTING TO HYDRODYNAMIC STUDIES

Dr. H. K. van Poollen, Sam J. Bateman

Williston Basin Symposium

... moved over considerable distances. If hydrostatic condition is assumed, it will follow that oil globules will move up - dip and continue...

1958

Gas-Filled Jurassic Entrada Erg Sandstones at Flat Rock Field, Uintah County, Utah

John Dyer, Dan Donoho

Rocky Mountain Association of Geologists

... of the Entrada erg, but extrapolation across the basin has been difficult due to a lack of deep well control. New deep drilling in the Flat Rock area...

2008

Gas-Filled Jurassic Entrada Erg Sandstones at Flat Rock Field, Uintah County, Utah

John Dyer, Dan Donoho

Utah Geological Association

... of the Entrada erg, but extrapolation across the basin has been difficult due to a lack of deep well control. New deep drilling in the Flat Rock area...

2008

Use of Airplane Photographs in Geologic Mapping

Walter A. English

AAPG Bulletin

.... In some areas, particularly of low dip, geologists have found obliques to be of value. Most of the cameras now used commercially for vertical mapping...

1930

Petroleum Geologist and Exploration Geophysicist: Co-Ordination and Seismic Velocity

John D. Hale

CSPG Bulletin

.... For such a translation and understanding a co-ordination must exist between the geologist and geophysicist in terms of their methods of study and limits of accuracy...

1956

Gleaning Meaningful Information from Seismic Attributes

Search and Discovery.com

... by almost vertical gaps between these features. Structure-oriented filtering As dip-steered mean or median filters and alpha-trimmed mean filters work...

2013

Fault Pattern in the Southern Campos Basin, Brazil: 3D Seismic Insights and Implications for Albian Carbonates of the Macae Group, #30598 (2019).

Ulisses Miguel da Costa Correia, Alexandre Campane Vidal,

Search and Discovery.com

... variability pattern, such as maximum curvature, steered minimum similarity, variance, dip-steering, and ant tracking. Interpreted time-slices, cross-sections...

2019

Abstract: Novel Processing and Facies and Tectonic Results from North Louisiana Seismic Data

Valentin Makarov , Iosif A. Musbin , Eugeniy A. Kozlov , Chris J. Krotzer , Allen Lowrie

GCAGS Transactions

... and, as such, related to a definite sedimentation environment, SFI becomes a mechanism for finer study by applying narrow band filters to locate specific...

1997

Abstract: FX and FK Interpolation Methods and Further Developments for Irregularly Spaced Traces; #90211 (2015)

Mostafa Naghizadeh and Mauricio Sacchi

Search and Discovery.com

... of the gaps inside the data aperture d) the dip of events. Statistically, it is quite important to have a well-sampled distribution of distances...

2015

Abstract: Red Sea 2D Transition Zone Reprocessing Case Study; #90254 (2016)

Sergey Kishchik

Search and Discovery.com

... imperfections. Filters provided by the acquisition crew performed matching of the hydrophones and geophones signals. The second processing challenge...

2016

Algorithm Comparison with Cross Sections: Appendix A

David E. Hamilton, Thomas A. Jones

AAPG Special Volumes

... than cross section. Algorithms are best compared using the cross section approach described here. For this reason, the algorithms and filters (steps 2b...

1992

S/N RATIO AND BANDWIDTH CONSIDERATIONS WHEN UTILIZING SEISMIC DATA IN EXPLORING FOR SUBTLE TRAPS - EXAMPLES FROM THE KNOX PLAY

Edward R. Tegland, Exploration Development, Inc., S. Pikes Peak Dr., Parker, CO Patrick H. Bygott, Exploration Development, Inc., S. Pikes Peak Dr., Parker, CO

Ohio Geological Society

... the signal to be seen and tracked in space. The relationship between time, dip rate, and useable bandwidth will also be reviewed...

1999

Attenuation of Marine Coherent Noise – A Processing Case History in the East China Sea

Huaien Wang, Liu Guangxin, Curtis E. Hinz, Fred F. C. Snyder

Southeast Asia Petroleum Exploration Society (SEAPEX)

.../s. For a source located off the end of the cable, the noise appears as a series of coherent linear events with the dip inversely proportional to the seismic...

1990

Abstracts: Ground Roll Attenuation Using LWD; #90173 (2015)

Ken Kocon and M. Sacchi

Search and Discovery.com

... direction, or, appear to be dipping in the right direction but with the wrong dip (Yilmaz, 2001). Aliasing thus causes ground roll and signal to overlap...

2015

Volumetric Fault Enhancement Applications; #41869 (2016)

Satinder Chopra, Kurt J. Marfurt

Search and Discovery.com

... It is quite common to enhance edges on photographic images with the use of mathematical second derivative “Laplacian of Gaussian” filters. Similar filters...

2016

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