Abstracts: CDP Noise Attenuation Using Local Linear Models; #90173 (2015)

Todor I. Todorov and Gary F. Margrave

Search and Discovery.com

... while preserving the AVO amplitude variations. Introduction Seismic noise attenuation plays an important part in a seismic processing flow (e.g. Yilmaz...

Case Studies: Integrated Production Profiling Analyses from Distributed Temperature and Acoustic Data

Yilin Mao, Caroline Godefroy, Alain Gysen

Unconventional Resources Technology Conference (URTEC)

... of the overall signal magnitude within production intervals reveals the production potential of each zone. The algorithm to set production rate ranges from DAS...

VSP Survey in the Thonex Geothermal Well … New Characterization of Potential Carbonatic Geothermal Reservoirs, #80646 (2018).

Luca Guglielmetti, Andrea Moscariello, Flavio Poletto,, Piero Corubolo,, A. Scheifer,, B. Farina, Fabio Meneghini, Francois Martin, Carole Nawratil de Bono,, Michel Meyer, Chrystel Dezayes, Adnand Bitri

Search and Discovery.com

... Sciences Department, Univeristy of Geneva (**)INOGS Trieste (***)Services Industriels de geneve (****) BRGM Outline • • • • • • • Preamble / Introduction...

Finite-difference wavefield propagation using superstepping

T. Nemeth, K. Nihei, A. Loddoch, A. Sekar, K. Bube, J. Washbourne, L. Decker, S Kaplan, Ch. Wu, A. Shabelansky, O. Cristea, Z. Yin

International Meeting for Applied Geoscience and Energy (IMAGE)

...to reduce grid effects or improving the wavefield continuity. These representations can be accomplished by either traditional signal processing or ma...

Case Study - Advanced Seismic Acquisitions and Processing Results in Indonesia

Michele Buia, Bakhrudin Mansyur, Herastya Iman Priyonggo

Indonesian Petroleum Association

...Case Study - Advanced Seismic Acquisitions and Processing Results in Indonesia Michele Buia, Bakhrudin Mansyur, Herastya Iman Priyonggo © IPA, 2012...

Aru Trough Deepwater Trepang 3D: The First Broadband Triple-Source Marine Seismic Survey Acquired in Indonesia Led by Ophir Energy

Ed Hager, Carey Davis, Dave Arnold, Safrin Arbi

Indonesian Petroleum Association

... if conventional shot point intervals are kept to, which can cause problems in data processing. However, if the sources are fired more often, every 12.5m...

Seismic Imaging of Sturctural, Stratigraphic and Diagenetic Plays - Workshop Summary

Bruce Hart

PTTC

... of hydrocarbon resources. A survey of various techniques currently used for acquiring, processing and interpreting seismic data included a review...

Enhancing SEM Grayscale Images Through Pseudocolor Conversion; #41157 (2013)

Wayne Camp

Search and Discovery.com

... subtle shades of gray. A pseudocolor conversion technique is described using freely available Image J digital image processing and analysis program...

Specialized processing of a massive distributed acoustic sensing (DAS) 3D VSP in a producing well

Ali Sayed, Francesca Twynam, Ran Bachrach, Philippe Caprioli, Marcus Holloway, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist

International Meeting for Applied Geoscience and Energy (IMAGE)

...l states in forward-backward filtering: IEEE Transactions on Signal Processing, 44, 988–992, doi: https:// doi.org/10.1109/78.492552. Joy, C., A. Reit...

Improved Exploration, Appraisal and Production Monitoring with Multi-Transient EM Solutions

Search and Discovery.com

... carbonates, evaporates and igneous intrusions. Introduction Hydrocarbons are found in porous rocks typically of sedimentary origin. The presence...

Filling the Inversion GapŽ Without Well Data: Multi Level Sources and Streamers Help Improve Inversion

Martin Bayly, Dominic Lowden, Bruce Webb, Ed Kragh

Indonesian Petroleum Association

... Lowden* Bruce Webb* Ed Kragh** ABSTRACT INTRODUCTION With conventional marine streamer surface seismic data, a data “gap” exists in the low...

The Seismic AVO of Wet and Dry CBM Reservoirs; #41548 (2015)

Jason McCrank, Han-xing Lu, Kevin Hall, Don C. Lawton

Search and Discovery.com

... results show that with sufficient bandwidth in the recorded signal, the AVO response of wet and dry coals is sufficiently distinct to discriminate...

High Resolution P-P Imaging of Deepwater Near-Seafloor Geology, by Bob A. Hardage and Paul E. Murray, #40200 (2006).

Search and Discovery.com

Transformer-based network for an efficient ground roll suppression

Randy Harsuko, Omar Saad, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... advancements in deep learning have led to the emergence of various seismic processing methodologies, leveraging the adaptability of modern neural network...

Abstract: Interferometric Approach to Complete Refraction Statics Solution; #90187 (2014)

Valentina Khatchatrian and Mike Galbraith

Search and Discovery.com

... signal instead of the scalar first break pick times. Introduction The variety of the various refraction solutions, such as reciprocal methods...

Abstract: Importance of Pre-Frack Site Surveys and Broadband Seismometers to Microseismic Monitoring; #90174 (2014)

N. Ackerley and N. Spriggs

Search and Discovery.com

... surface installations will help to improve signal to noise ratios, however noisy sites will still impact data processing. It is recommended therefore...

Advanced Reprocessing and Imaging: Enhancing Legacy Surveys

Dominic Fell, Shane Westlake, Richard Patenall, Jennifer Badry

Petroleum Exploration Society of Australia (PESA)

...) allowing a broadening of the signal amplitude spectrum that provides a compact wavelet ideally suited for high resolution processing and inversion...

Self-supervised learning for seismic swell noise removal

Yuan Zi, Shirui Wang, Pengyu Yuan, Xuqing Wu, Jiefu Chen, Zhu Han

International Meeting for Applied Geoscience and Energy (IMAGE)

... processing workflow Zhao et al. (2019). If noise is not effectively suppressed, it will contaminate the seismic signal, affecting other following processing...

A statistical method-based approach for frequency-varying residual phase detection and correction

Longxiang Han, Rongwei Xu, Chengliang Wu, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... of seismic data. Introduction The source wavelet excited at the surface encounters differences in amplitude and phase characteristics during underground...

Establishing Novel Views on Reservoir Compartmentalization Utilizing Systematic Data-driven Seismic Processing Frameworks

Riaz Alai, M Afiq B Mokhtar, Jun Wang, Yonghe Guo, Ecep Suryana

Indonesian Petroleum Association

...Establishing Novel Views on Reservoir Compartmentalization Utilizing Systematic Data-driven Seismic Processing Frameworks Riaz Alai, M Afiq B Mokhtar...

Uncertainty in Surface Microseismic Monitoring; #41258 (2013)

Mike Mueller, Michael Thornton, and Leo Eisner

Search and Discovery.com

..., D.H. and D.E. Dudgeon, 1993, Array signal processing: concepts and techniques: Prentice Hall, Englewood Cliffs, New Jersey, 533 p. Maxwell, S., 2010...

Sumpal Fractured Basement Field, Structural Attribute Analysis and Interpretation Case Study, Workflow Management and New Insights from Pre-Stack Depth Migrated Data and Azimuthal Stacks

Yan Darmadi, John Hughes, Sugiharto Danudjaja, Rita Achdiat

Indonesian Petroleum Association

... migration. This observation suggests that processing by azimuth improves signal to noise ratio and event continuity both in normal amplitude and in seismic...

Ground Roll Polarization Filtering with Spatial Smoothness Constraints

Search and Discovery.com

... are estimated using data from that station as well as some of its neighboring stations. This greatly improves the separation of signal and noise...

Combined OBN and high-resolution 3D streamer acquisition for CO2 monitoring: Initial model building and imaging results over Sleipner

Simon Stokes, Sandrine David, Eddie Cho, Dhiman Mondal, Graeme Stock, Simon Baldock

International Meeting for Applied Geoscience and Energy (IMAGE)

... field hydrophones (Kryvohuz & Campman, 2017) to complement and enhance the signal processing of the XHR data. A series of trial lines, designed...

An Interpreters Guide to Successful Prestack Depth Imaging; #41544 (2015)

Rob A. Holt

Search and Discovery.com

... be evaluated by QC of final migrated gathers, the quality of the final stack image, and by the accuracy of the well ties. Introduction Over the last three...