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The AAPG/Datapages Combined Publications Database

Showing 3,455 Results. Searched 195,452 documents.

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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

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

The Role of Statics Application in the Imaging of Sub-Surface in Fold Belt Areas, #40746 (2011)

Arun Kumar Arya, Bharat Chandra Joshi, Narinder Pal Singh,

Search and Discovery.com

... source-generated noise. Shot gathers are transformed into the linear τ-p domain, a τ-p filter so designed eliminates majority of source-generated noise...

2011

Abstract: Elastic Finite-difference Modeling for Testing Acquisition and Processing Methods; #90187 (2014)

Peter Manning, Joe Wong, and David Henley

Search and Discovery.com

... weathering pockets. The resulting shot records must be processed to suppress noise and to find surface consistent statics in order to enhance signal...

2014

Spikes in Your Acquisition? Ž How to Minimize their Impact through Field and Processing Techniques.

Paula A.C. Barbosa, Jose A. Jaramillo, Jose H. Olaya

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... TO MINIMIZE SPIKES “Spikes” are a type of coherent noise in the shot domain, which can be easily recognized after the application of a spiking...

2006

Abstract: Empirical Mode Decomposition Based Instantaneous Spectral Analysis and its Applications to Heterogeneous Petrophysical Model Construction; #90171 (2013)

Jun-Wei Huang and Bernd Milkereit

Search and Discovery.com

..., M.,(2008b), Random and coherent noise attenuation by empirical mode decomposition, SEG Expanded Abstract, SEG Las Vegas 2008 Annual Meeting. Castagna...

2013

Abstract: Multi-spectral Volumetric Curvature Adding Value to 3D Seismic Data Interpretation; #90171 (2013)

Satinder Chopra and Kurt J. Marfurt

Search and Discovery.com

... at the appropriate level in 3D seismic data volumes. Horizon picking can be a challenging task in datasets contaminated with noise and where rock interfaces do...

2013

Abstract: Multi-spectral Volumetric Curvature Adding Value to 3D Seismic Data Interpretation; #90171 (2013)

Satinder Chopra and Kurt J. Marfurt

Search and Discovery.com

... at the appropriate level in 3D seismic data volumes. Horizon picking can be a challenging task in datasets contaminated with noise and where rock interfaces do...

2013

Abstract: Optimum Aperture Length for Improving Dispersion Curve Analysis in CMP Cross-Correlation of Surface Waves; #90187 (2014)

Roohollah Askari, Robert J. Ferguson, and Helen Isaac

Search and Discovery.com

... unwanted coherent event such as first arrivals, higher modes and air waves. Furthermore, MASW is less affected by ambient noise and provides a better signal...

2014

Steps for Improving the Utility of Land Seismic Data for Unconventional Reservoirs

Christof Stork

Unconventional Resources Technology Conference (URTEC)

.... "Removing coherent noise in seismic data through TK or FX filtering." In SEG Technical Program Expanded Abstracts 1993, pp. 1177-1180. Society of Exploration...

2018

A Practical Application of Data-Driven 3D Automatic Fault Extraction for En Echelon Faults: A Case Study from Malay Basin, #11176 (2019).

Tengku Mohd Syazwan Tengku Hassan, Lee Chung Shen, Jimmy Ting and Joseph P. Dominguez

Search and Discovery.com

... of the workflow as the edge detection class attribute is particularly sensitive to noise. The interpretation result can be degraded and misguided by coherent...

2019

High-Resolution Anisotropic Earth Model Building on Conventional Seismic Data Using Full-Waveform Inversion: an Offshore Australia Case Study

Bee Jik Lim, Denes Vigh, Stephen Alwon, Saeeda Hydal, Martin Bayly, Chris Manuel, Dimitri Chagalov, Gary Hampson, Dimitri Bevc

Indonesian Petroleum Association

...-linear inversion problem, it is an iterative process and is repeated as required until the residuals between the modelled shots and the actual observed...

2014

Abstract: Fast and Accurate Impedance Inversion by Well-Log Calibration; #90171 (2013)

Igor B. Morozov and Jinfeng Ma

Search and Discovery.com

... (2) in respect to perturbations in R,i caused by fine layering, mode conversions, and noise. An arbitrary, smoothly varying factor can be applied...

2013

Abstract: Uncertainty in Surface Microseismic Monitoring; #90187 (2014)

Michael Thornton, Mike Mueller, and Leo Eisner

Search and Discovery.com

... compared to the model is due to the need to estimate velocity and static corrections and the presence of coherent noise in real data. In both cases...

2014

Abstract: Full-Waveform Inversion of Field Data in the Foothills: Results and Challenges with Long-Offset Seismic; #90172 (2014)

Andrew J. Brenders, R. Gerhard Pratt, Sylvestre Charles

Search and Discovery.com

... demonstrate that the records possess sub-optimal low-frequency data, dominated by instrument noise. If seismic data are recorded with an appropriately...

2014

Abstract: Interpolation of Aliased Seismic Data in the Curvelet Domain; #90172 (2014)

Mostafa Naghizadeh, Mauricio D. Sacchi

Search and Discovery.com

... coherent noise and imaging the earth interior have stringent sampling requirements which are often not met in real surveys. In order to avoid information...

2014

Seismic Foldout: FWI Imaging Under Complex Geological Anomalies

Adriana Citlali Ramirez, Simon Baldock, Stuart Fairhead, TGS

GEO ExPro Magazine

... and geologically-consistent velocity provided by the 40Hz DM FWI, better resolves the MTC complexity and delineates more coherent, deep events on the FWI Image...

2023

Abstract: A Comparison of Trenched Distributed Acoustic Sensing (DAS) to Trenched and Surface 3C Geophones … Daly, Manitoba, Canada; #90224 (2015)

Rob Kendall

Search and Discovery.com

... clear reflection, refraction and coherent noise signal but at a lower signal-to-noise ratio than the geophone data. It was also noted that for our...

2015

Imaging of Shallow Coal Structures Using 2D6C Mini-SOSIE

Shaun Strong, James Alderman, Steve Hearn

Petroleum Exploration Society of Australia (PESA)

... of the base of weathering are often difficult to image using seismic reflection. This is due to low target fold and the presence of noise (both coherent...

2016

Integrated Seismic Attributes Analysis of Naturally Fractured Basement Reservoir: An Approach to Define Sweet Spot for Optimum Well Location and Trajectory

Fithra Harris Darmawan, Trisakti Kurniawan, Azli B Abu Bakar, Tan Han Kee, Nur Hafizah Bt Mangsor-Mansor, Wahyudin B. Nasifi, Randy Condronegoro, Andri Syafriya, Lee Chung Shen, Joe Dominguez

Indonesian Petroleum Association

... hydrocarbon accumulation in fractured basement reservoirs. The analysis starts by removing various coherent noise due to acquisition footprint and seismic...

2017

Retrieving geological signal from full tensor gravity gradiometry data using source body migration

Colm Murphy, Richard Farnell, Chris Bellamy, Alan Morgan

International Meeting for Applied Geoscience and Energy (IMAGE)

... (2014) introduced a self-steering directional filter (SSDF) that separates good signal from noise induced signal when of a similar bandwidth. SSDF looks...

2023

Combined Diving Wave Refraction Tomography and Reflection Tomography for PSDM Velocity Model Building (Bekapai Field, Indonesia)

Andi Kusuma, Florent Bertini, Jacques Bonnafe, Artem Sazykin, Swee Leng Ng

Indonesian Petroleum Association

.... They absorb strongly the seismic energy and lower significantly the signal to noise ratio. Building a reliable velocity model in such areas with short...

2011

Seismic Spectral Signatures of the Badak Oil and Gas Field, Onshore Kutei Basin, Kalimantan, Indonesia: An Example of Seismic Reservoir Imaging and Characterization

Arif Wibowo, Jeff Towart, James Dirstein, Maher Maklad

Indonesian Petroleum Association

...) processing flow. The first step was application of a noise attenuation technique to reduce the levels of coherent and random noise in the data and thus...

1999

Spectral Analysis of the Middle Triassic Latemar Limestone

Linda A. Hinnov, Robert K. Goldhammer

Journal of Sedimentary Research (SEPM)

... and linear trend. Spectral Noise Models We assume that the "signal" of interest in the Latemar series consists of periodic or quasiperiodic components...

1991

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