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The AAPG/Datapages Combined Publications Database

Showing 16,245 Results. Searched 189,727 documents.

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Examples of Optical Analysis and Filtering of Seismic Record Sections: ABSTRACT

J. A. Long

AAPG Bulletin

... can be processed in a single photographic operation, optical filtering has proved to be an efficient and economical method of frequency and velocity...

1965

A Comparative Study of 3-D Noise Attenuation Techniques

Daniel Wheaton, Yendri, Kusnarya

Indonesian Petroleum Association

... and coherent noise are studied. Predictive filtering in the f-x (frequency - space) domain for random noise suppression may be applied post stack as either...

1996

Application of Inverse-Q Filter and Deconvolution to Improve Seismic Data Quality in the Deep Section

Deddy F. Djanawir, Frans Langitan

Indonesian Petroleum Association

... of deconvolution and inverse Q filtering improves the frequency component slightly in the deep section, and the application of both methods yields...

2004

F-xy Cadzow Noise Suppression

Search and Discovery.com

... filtering has previously been applied along constant-frequency slices to remove random noise from 2-D seismic data. Here I extend Cadzow filtering to two...

2013

Abstract: Prestack Rank-Reduction-Based Noise Suppression: Theory; #90171 (2013)

Stewart Trickett and Lynn Burroughs

Search and Discovery.com

... eigenimage filtering is applied in the time domain, which is why the frequency domain is much preferred. F-xy eigenimage filtering would appear to be ideal...

2013

Abstracts: FX Cadzow / SSA Random Noise Filter: Frequency Extension; #90173 (2015)

Alexander Falkovskiy, Elvis Floreani, Gerry Schlosser

Search and Discovery.com

... of Ulrych et al (1988) on eigenimage filtering of seismic data. Trickett furthered this work by applying eigenimage filtering to 3D data frequency slices...

2015

Abstracts: Application of FX Singular Spectrum Analysis on Structural Data; #90173 (2015)

Alexander Falkovskiy, Elvis Floreani, Gerry Schlosser

Search and Discovery.com

... number of years. Ulrych et al (1988) initially applied eigenimage filtering to seismic data. Trickett furthered this work by using frequency slices...

2015

-- no title --

user

Search and Discovery.com

... energy whilst preserving the underlying low frequency reflected signal. This flow combines polarization filtering and localized fk-filtering...

Unknown

-- no title --

user

Search and Discovery.com

... energy whilst preserving the underlying low frequency reflected signal. This flow combines polarization filtering and localized fk-filtering...

Unknown

Optical Methods and Equipment for Processing Geophysical Data: ABSTRACT

Arthur L. Ingalls

AAPG Bulletin

... analysis filtering and cross correlation. The equipment for optical data processing has a high degree of versatility and stability. The versatility...

1965

Abstracts: Fractional Fourier Transform in Coherent Noise Attenuation; #90173 (2015)

K. H. Miah and M. D. Sacchi

Search and Discovery.com

... are based on different forms of time- frequency representation of signals. In the fractional Fourier transform (FRFT), signals can be represented...

2015

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

Satinder Chopra, Kurt J. Marfurt, Somanath Misra

Search and Discovery.com

... structurally oriented filtering: Helmore (2009) introduced frequency split structurally oriented filtering (Figure 1) wherein the input seismic data...

2015

Wide-Band Velocity Filtering--The Pie Slice Process: ABSTRACT

Peter Embree, John P. Burg, Milo M. Backus

AAPG Bulletin

...Wide-Band Velocity Filtering--The Pie Slice Process: ABSTRACT Peter Embree, John P. Burg, Milo M. Backus 1963 1769 1769 47 9. (September...

1963

The AVO Response of a Pennsylvanian Age Channel Sandstone in the Arkoma Basin, Oklahoma [Abstract]

Roger A. Young, Eric Kubera, Alan Leaver

Oklahoma City Geological Society

... in September 1994. The dataset was processed to retain relative amplitude fidelity and has been analyzed for anomalous amplitude behavior. Frequency...

1997

Reservoir Studies and Inversion of Seismic Traces: ABSTRACT

E. Rainon

AAPG Bulletin

... a velocity or acoustic-impedance model from the recorded traces. Data are processed in preserved-amplitude mode. A wavelet inverse filtering results...

1979

Parasequence Concepts, Problems and Solutions in CBM Exploration Using Seismic Data Case Study: MuaraEnim Formation, South Sumatra Basin

Muhlash Hada F. S, M. Rizki Asy’ari, Rahmat C. Wibowo, D., Hendra Amijaya, Andri A. Aspari

Indonesian Petroleum Association

... frequency of 25 Hz and after filtering with dominant frequency of 40 Hz.   Figure 5 - Seismic inversion results: coal seam A PS1 before filtering...

2015

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

Satinder Chopra, Kurt Marfurt

Search and Discovery.com

...-frequency end of the spectrum after median filtering indicated by the blue ellipse. Applying a bandpass filter (4-12, 90-100 Hertz) to the median...

2019

Enhancing the Quality of Seismic Impedance Data; #41961 (2016)

Satinder Chopra, Ritesh Kumar Sharma, Rebecca Daniels, Brian Schulte, Jim Pllishy, Tammy Chow

Search and Discovery.com

... seismic data. But sometimes the low-frequency linear dipping noise is present in the final processed seismic data, and yet goes unnoticed. When...

2016

Frequency-Dependent Seismic Stratigraphy for High-Resolution Interpretation of Depositional Sequences, #40501 (2010)

Hongliu Zeng

Search and Discovery.com

...Frequency-Dependent Seismic Stratigraphy for High-Resolution Interpretation of Depositional Sequences, #40501 (2010) Hongliu Zeng Frequency...

2010

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