First Results of Inaugural Deployments of the Australian National Ocean Bottom Seismograph Fleet

Alexey Goncharov, Ashby Cooper, Peter Chia, Michal Malinowski

Petroleum Exploration Society of Australia (PESA)

... surveys suggests strong interaction between anthropogenic signals (airgun source, vessel noise) and the natural environment, and allows arguing...

5 Thermal Anomalies

P. E. Gretener

AAPG Special Volumes

... what constitutes an anomaly ?" poses itself here as in all other fields of geology and geophysics. Only what clearly exceeds the background noise can...

Modern Marine 3D Seismic Acquisition - Technical Considerations

Chris Walker

Petroleum Exploration Society of Australia (PESA)

... 1997 effort and signal to noise ratio needed to be able to recover these events from both random noise and, perhaps more demandingly, residual P...

De-Risking a Gas Development Using Geophysical Methods; #41086 (2012)

Alessandro Mannini, Phil Rawstron, Shin Ni Chai, and Andrew Spedding

Search and Discovery.com

... anisotropic pre-stack depth migration. • Objectives: • Improve imaging beneath gas clouds • Reduce noise and multiples • High quality flattened gathers...

Development of Seismic Sources for Coastal CCS/CCUS Projects with Considering Underwater Noise Issues

Naoshi Aoki, Fumitoshi Murakami, Eiichi Asakawa, Takeshi Kozawa, Susumu Abe, Takuya Miura, Takao Nibe, Katsuhei Yoshioka, Takeshi Tsuji

Carbon Capture, Utilization and Storage (CCUS)

...Development of Seismic Sources for Coastal CCS/CCUS Projects with Considering Underwater Noise Issues Naoshi Aoki, Fumitoshi Murakami, Eiichi Asakawa...

Multicomponent OBC (4C) Seismic Data Acquisition Challenges and Solution - Design, Operation, and Field Quality Control; Case Study OBC Bekapai

Aa Pian Nopiana, Remi Dartigalongue, Michel Erbetta, Gilles Vallon, Daniel Vaxelaire, Philippe Faure, Jean-Marc Mougenot

Indonesian Petroleum Association

..., the BEKAPAI field remains with some G&G knowledge uncertainties mainly due to :  poor signal to noise ratio due to the seismic quality and fold...

A dense linear array for passive seismic imaging of geothermal structural features: The FOAL experiment at Utah FORGE

Jaewoo Kim, Jonathan Ajo-Franklin, Tanner Shadoan, Valeriia Sobolevskaia, Julia Correa, Barry Freifeld

International Meeting for Applied Geoscience and Energy (IMAGE)

... of FOAL001 node from April 19th to April 22nd. The blue dashed square represents possible pump truck noise from well 16A. the red solid and dashed square...

ABSTRACT: Future of Microseismic Analysis: Integration of Monitoring and Reservoir Simulation; #90122 (2011)

Leo Eisner, Vladimir Grechka, and Sherilyn Williams-Stroud

Search and Discovery.com

... at the surface or in dedicated monitoring borehole(s). The accuracy and precision of the inverted locations depends on both the signal-to-noise ratios...

Controls on fracture network characteristics of the middle member of the Bakken Formation, Elm Coulee field, Williston Basin, United States

S. Khatri, and C. M. Burberry

AAPG Bulletin

... an edge-preserving nature and is good at removing seemingly random noise with high amplitudes (also known as salt and pepper noise). The structural...

AAPG/Datapages Discovery Series No. 7, Multidimensional Basin Modeling, Chapter 4: 2-D Inverse Thermal Modeling on the Norwegian Shelf Using Fast Approximate Forward Solutions

S. P. Trautner and S. B. Nielsen

AAPG Special Volumes

... on perturbed data sets derived from the observed data by random perturbations with observational noise. This simulates the fact that repeated observations...

Concave Sand Grains in Eolian Environments: Evidence, Mechanism, and Modeling

B. T. Werner , E. Merino

Journal of Sedimentary Research (SEPM)

... circumventing the natural tendency oward grain sphericity that would arise from random grain orientation. A quantitative physical model combining...

Geologic Interpretation of Seismic Profiles, Big Horn Basin, Wyoming, Part II: West Flank

Donald S. Stone

Rocky Mountain Association of Geologists

... on the synthetic profile is not visible on the real profile, perhaps partly due to the presence of random noise on the latter. Although the particular computer...

An Overview of Basin and Petroleum System Modeling: Definitions and Concepts

Kenneth E. Peters, David J. Curry, Marek Kacewicz

AAPG Special Volumes

... because of the high demand by industry for continuous improvement in predictions of petroleum generation, migration, accumulation, and alteration...

Surface passive seismic monitoring by the local use of semblance

M. Javad Khoshnavaz, Andrej Bona, Kit Chambers, Hamidreza Siahkoohi, Alireza Khoshnavaz

Petroleum Exploration Society of Australia (PESA)

... downhole arrays. However, signal-to-noise ratio of surface array records is naturally low. That makes application of coherency-based techniques...

Exploration Potential of the Diablo Platform—Delaware Basin Margin, Trans-Pecos Texas

Douglas B. Swift, James J. Reeves, Richard J. Erdlac, Jr., Kenneth T. Barrow, Alexander P. Schoellkopf

West Texas Geological Society

... remaining random noise. Because this process was applied to an assemblage of traces, lateral amplitude variations were preserved on the stacked image...

Research and application of near surface modeling in dual complex exploration areas

Xinyue Song, Duojun Zhang, Zaijin Zhang, Yi Bao, Cheng Wang, Zhonghua Zhao

International Meeting for Applied Geoscience and Energy (IMAGE)

... have extremely low signal-to-noise ratio, which makes the imaging task very challenging. Conventional modeling methods cannot accurately simulate...

Application of Wave Equation Tomography in Frontier Areas

Tien-when Lo, Guy W. Purnell

Indonesian Petroleum Association

... about complex local geology makes building an initial velocity model for seismic data migration difficult. We developed a wave equation tomography method...

Gravity and Magnetics in South East Asia - Modern Applications

Brian S. Anderson, John E. Bain, Harald van Hoeken, Mark E. Weber

Southeast Asia Petroleum Exploration Society (SEAPEX)

... line leveling algorithms and filtering techniques to address low amplitude random noise in the data when profiles are combined to produce grid results...

Kronecker neural networks for the win: Overcoming spectral bias for PINN-based wavefield computation

Umair bin Waheed

International Meeting for Applied Geoscience and Energy (IMAGE)

... Wavefield computation constitutes the majority of the computational cost for seismic applications, including reverse-time migration and full waveform...

Populations, Trends, and Cycles in Combined-Flow Bedforms

Indranil Banerjee

Journal of Sedimentary Research (SEPM)

..., 298 p. End_of_Record - Last_Page 874------- In recent years, many authors have accepted the view that migration of combined-flow ripples is one...

ABSTRACT: Three-Dimensional Organization of Low Angle Faults Planes and Fractures in Alberta — A View of Problems in Wells, Sweet-Spots and Migration Paths, by Chatellier, Jean-Yves D.; Chatellier, Michael ; #90142 (2012)

Search and Discovery.com

A Seismic 3C3D/4D Experiment in a Production Field in the Middle Magdalena Valley

William Agudelo, Saúl Guevara, Germán Ojeda, Gabriel Álvarez

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... and the migration aperture etc.). In Phase IV, the 100% solution 3D design is derived which will likely mitigate all of the identified geophysical risks...

SG14: The COCORP Seismic Reflection Traverse Across the Southern Appalachians - Data Acquisition and Processing

Frederick A. Cook, Larry D. Brown, Sidney Kaufman, and Jack E. Oliver

AAPG Special Volumes

... frequencies, editing of the unusable traces, sorting of the traces into common depth point (CDP) gathers, muting of the high amplitude surface noise...

AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction

David W. Bell

AAPG Special Volumes

... interval of the data available for curve fitting. A perfect model including random noise would have the residuals randomly distributed about...

Extended Abstract: Advances in Interpretation & Imaging

P. Beale

Southeast Asia Petroleum Exploration Society (SEAPEX)

... S:N ratio (i.e. add Signal & reduce Noise). This is where Pre-stack Depth Migration comes in. Pre Stack Depth Migration (“PSDM”) – not Pre Depth Stack...