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The AAPG/Datapages Combined Publications Database

Showing 3,705 Results. Searched 200,357 documents.

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Abstract: Seismic Data Decomposition into Spectral Components Using Regularized Nonstationary Autoregression; #90187 (2014)

Sergey Fomel

Search and Discovery.com

... to seismic reflection data: Geophysics, 72, H29–H37. Bekara, M., and M. van der Baan, 2009, Random and coherent noise attenuation by empirical mode...

2014

Abstract: Post-stack Inversion of the Hussar Low Frequency Seismic Data; #90187 (2014)

Patricia E. Gavotti, Don C. Lawton, Gary F. Margrave, and J. Helen Isaac

Search and Discovery.com

... is the noise and * denotes convolution. Noise is assumed to be random and uncorrelated with the signal. Reflectivity is defined as the contrast...

2014

Migration Velocity Analysis by Migration of Velocity Spectra

Craig J. Beasley, Rolf Klotz

Southeast Asia Petroleum Exploration Society (SEAPEX)

...., and Yang, M., 1984, Suppression of backscattered coherent noise by prestack partial migration: Presented at the 54th Ann. Internat. Mtg., Soc. Expl...

1992

Uncertainty in Surface Microseismic Monitoring; #41258 (2013)

Mike Mueller, Michael Thornton, and Leo Eisner

Search and Discovery.com

... to estimate velocity and static corrections and the presence of coherent noise in real data. In both cases, the uncertainties reported here were deemed...

2013

Regularization by robust denoising for iterative simultaneous source separation

Breno Bahia, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

...., 2015). Practical solutions can be obtained with proximal algorithms, where a non-linear thresholding operator mitigates blending noise at the end...

2022

5D Interpolation Adds Value at the Drill Bit for a Texas 3D Seismic Survey

K. Rene‘ Mott, William Keller, Mike Perz

GCAGS Transactions

... exhibited remnant noise in the data that is manifest as irregular amplitude distribution, poor illumination at the deep basement level and coherent...

2016

Advanced Reprocessing and Imaging: Enhancing Legacy Surveys

Dominic Fell, Shane Westlake, Richard Patenall, Jennifer Badry

Petroleum Exploration Society of Australia (PESA)

... towed at 6 m. Prior to deghosting an extensive noise attenuation processing flow was applied that specifically addressed the low frequency coherent...

2016

Low-rank representation for reflectivity model and its applications in least-squares migration

Jidong Yang, Jianping Huang, Hejun Zhu, George McMechan

International Meeting for Applied Geoscience and Energy (IMAGE)

... convert random noise to coherent noise by structural-dependent smoothing (Figures 2c, d). TV-regularized LSM removes most random noise and produces...

2024

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

J. A. Long

AAPG Bulletin

...Examples of Optical Analysis and Filtering of Seismic Record Sections: ABSTRACT J. A. Long 1965 1086 1087 49 7. (July) When coherent light from...

1965

Smackover Exploration in the 1980s Along Conecuh Ridge, Southwestern Alabama: ABSTRACT

Janet E. Bailey, James L. Rice

AAPG Bulletin

... prevented successful transmittal of source energy to deep horizons and contributed both coherent and incoherent noise to the seismic data. Second, pervasive...

1985

ABSTRACT: Diagenetic influences on Early Paleozoic marine oxygen isotopes; #90007 (2002)

Kenneth J. Tobin

Search and Discovery.com

... deposition during Hirnantian glaciation at the end of the Ordovician. In conclusion, with diligent work a coherent signal can be extracted from...

2002

ABSTRACT: Seismic Phase, The Next Exploration Frontier; #90007 (2002)

Stan Sansone

Search and Discovery.com

... fundamental frequencies. The process of Interferometry uses a two-frequency receiver analysis on two mutually coherent events. By recording two unique...

2002

Abstract: Performance of Seismic Arrays in the Presence of Weathering Layer Variations; #90254 (2016)

Jubran Akram, Abdullatif A. Al-Shuhail

Search and Discovery.com

... which are typically used to attenuate horizontally traveling coherent noise and enhance vertically traveling signal. We investigate the effect...

2016

Structural subdivision of channel sand bodies based on frequency division coherence and attribute fusion

Qian Yu, Jianli Wang, Huajing Chen, Heng Zhang, Lien Bian

International Meeting for Applied Geoscience and Energy (IMAGE)

... faults and channel boundaries by means of structural-steering filtering technology based on dip-control and frequency-division coherent technology...

2022

Abstract: Big Seismic Era … Time to Change the Old Ways? How High-Density Seismic Technology Affects Way We Acquire and Process Land Data; #90310 (2017)

Anastasia Poole, Phillip J. Bilsby

Search and Discovery.com

... algorithms were developed to deal with coherent noise, near-surface variations, and irregular sampling. 5D regularization and interpolation are now...

2017

Deblendable land acquisition

Amarjeet Kumar, Joe Fuller, Tom Rayment, Mason Phillips, Dave Monk, Chris Ansorger, Stuart Schmitt

International Meeting for Applied Geoscience and Energy (IMAGE)

... algorithms in multiple domains. Additionally, it is prone to artifacts and signal leakage, particularly in areas with low signal-to-noise ratio...

2022

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

..., CO 1999 72 80 The concepts of bandwidth and SIGNAL TO NOISE (S/N) ratio are highly interrelated and for the most part...

1999

Seismic Time-Frequency Analysis by Empirical Mode Decomposition; #41513 (2015)

Jiajun Han, Mirko van der Baan

Search and Discovery.com

... (2009) eliminate the first EMD component in the f-x domain to attenuate random and coherent seismic noise. Huang and Milkereit (2009) utilize the EEMD...

2015

Developing a robust geologic conceptual model using pseudo 3-D P-wave seismic reflection data

Adrian D. Addison, Michael G. Waddell, Camelia C. Knapp, Duke T. Brantley, John M. Shafer

Environmental Geosciences (DEG)

...).An f-k filter was used to remove coherent linear noise (Yilmaz, 1987), in the case of this data set, ground roll or surface waves. Figure 6 shows a shot...

2009

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