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The AAPG/Datapages Combined Publications Database

Showing 33,175 Results. Searched 200,630 documents.

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Seismic Foldout: New Geo Streamer X data for exploration, ILX and appraisal in the Norwegian Sea

Kjetil Roverud, Stefan Möller, Eric Mueller, Jens Beenfeldt, PGS

GEO ExPro Magazine

... impedance contrasts, rough surfaces, complex velocities, and complex anisotropy. In addition, shallow glacial morphology generates strong noise and multiples...

2023

Gemini: A fully operational broadband source for model building and imaging

Carsten Udengaard, David Brookes, Hector Flores

International Meeting for Applied Geoscience and Energy (IMAGE)

..., by wavelet frequency content, and through Reverse Time Migration (RTM) results. Both sources were recorded with near field hydrophones for determining...

2023

An unsupervised intelligent stacking velocity analysis based on clustering

Lide Wang, Xingrong Xu, Jie Wu, Huahui Zeng, Yundong Yong, Yanxiang Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... established by identifying energy clusters on velocity spectra at different moments, which is crucial to the migration imaging and the stacking of common...

2024

Q-land Enters Australia: Overview of a Seismic Survey Pilot Study in the Cooper Basin

Tim Bunting

Petroleum Exploration Society of Australia (PESA)

... domain, the sig nal, but also based on the necessity to correctly samp le the noise. For this su rvey, Following the DGF step, both t he conventiona...

2009

Extended Abstract: Major Environmental Study Announced

PESA Staff

Petroleum Exploration Society of Australia (PESA)

... an assessment of t he significance of • water-qua lity monitoring and marine noise identify areas that would req uire further • dredging si mulat...

2011

The Gunnison Discovery—Garden Banks Block 668, Gulf of Mexico

Jeff Gee-shang Pan, Jim Fulcher

GCAGS Transactions

... noise ratio and better structure/stratigraphic imaging of the target events. Both phases of the re-processing also provided the needed pre-stack CDP...

2005

Ekofisk: First of the Giant Oil Fields of Western Europe: REPLY

Owen D. Thomas , L. K. S. Popham

AAPG Bulletin

... increases, signal-to-noise ratio decreases, and the edge of the low-velocity zone acts as a diffraction source. The red color on the "Top Danian...

1984

Abstract: Seismic Study of a Possible Eroded Impact Structure, Southern Alberta; #90224 (2015)

Wei Xie and Douglas R. Schmitt

Search and Discovery.com

.... This strategy of shooting at every field station was used to get a good signal to noise ratio (S/N) through the whole profile. The University of Alberta...

2015

Adaptive Eigenstructure Classification and Stochastic Decorrelation Filters for Coherent Interference Suppression in the Acoustic Zoom Method, #41503 (2014).

J. Guigne, S. Azad, C. Clements, A. Gogacz, W. Hunt, A. Pant, J. Stacey

Search and Discovery.com

... by directly probing underlying geophysical properties of the earth where conventional migration accentuates specular reflections from ambiguous impedance...

2014

Wave-Equation-Based Target-Oriented Inversion for Reservoir Characterisation, #41759 (2016).

Dries Gisolf, P.R. Haffinger, P. Doulgeris

Search and Discovery.com

... against noise, therefore lacking in bandwidth and lateral continuity. • Wave-equation-based AVO inversion gives better reservoir indicators, is more robust...

2016

Global Sea-Level Changes During the Past Century

Vivien Gornitz, Sergej Lebedeff

Special Publications of SEPM

...-term elements, however, are essentially random on a global scale. The influence of these random fluctuations can be reduced by selecting an appropriate...

1987

The need of elastic RTM for elastic FWI models

Hui Huang, Zedong Wu, Xue Xiao, Zhigang Zhang, Ping Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... demonstrated its advantages over acoustic FWI to sharpen velocity interfaces and improve the signal-to-noise ratio and event continuity of the corresponding FWI...

2023

Resolving DAS versus geophone discrepancies using the DAS transform: A comparative study from the CaMI CCS field research station, Alberta

Ali Sayed, Robert R. Stewart, Marie Macquet, Don Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

... attenuation scheme was applied to the raw DAS data to suppress the high amplitude noise. A low velocity filter was used to suppress the coherent slow...

2024

Delaware Basin Horizontal Wolfcamp Case History: HTI Fracture Analysis to Avoid H2S and Extraneous Water Linked to Graben Features

Scott Cook, Mike McKee, Sid Bjorlie

Unconventional Resources Technology Conference (URTEC)

.... To preserve azimuth and offset information during migration, the data was binned into offset and azimuth ranges, with each bin PSTM migrated separately...

2019

Landward Migration of Barrier Island Sands Under Stable Sea Level Conditions: Plum Island, Massachusetts

J. Richard Jones, Barry Cameron

Journal of Sedimentary Research (SEPM)

...Landward Migration of Barrier Island Sands Under Stable Sea Level Conditions: Plum Island, Massachusetts J. Richard Jones, Barry Cameron 1977 Vol. 47...

1977

Comparing DAS and geophone data and imaging for monitoring CO2 sequestration

Yong Ma, Weichang Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... the subsurface CO2 plume migration and detecting potential leakage during and after the CO2 injection. In many cases, tracking the size of the subsurface CO2...

2022

Multi-Azimuth Seismic

Andrew Long

Petroleum Exploration Society of Australia (PESA)

... t arget il lumination w ill result in processing artefacts, acquisition footprint, ampl itude anomalies, increased noise, and degraded reso lution...

2005

Enhancing Subsurface Imaging and Reservoir Characterization in the Marcellus Through Advanced Reprocessing of Wide Azimuth 3D Seismic, #11159 (2018).

Jinming Zhu, Chris Perll, Trevor Coulman,

Search and Discovery.com

... in the pilot study o Geometry and near surface modeling o Noise attenuation: LSRME o Patch Extension 5D interpolation o Orthorhombic prestack time migration...

2018

Enhancing PSDM via Well Data Derived from Gradient Boosted Trees Machine Learning

Marianne Rauch, Mike Perz, Sathiya Namasivayam, Ritesh Sharma

Unconventional Resources Technology Conference (URTEC)

... a gradient boosted tree method. Following this, a pre-stack depth migration (PSDM) test was performed where the final results from a traditional...

2020

Abstracts: Implicit Preconditioning for Least-squares Nonstationary Phase Shift; #90173 (2015)

Marcus R. Wilson and Robert J. Ferguson

Search and Discovery.com

.... Introduction To correct for surface statics and irregular trace spacing before migration, Ferguson (2006) presents an inversion algorithm based...

2015

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

Bruce Hart

PTTC

... grids, the signal to noise characteristics associated with the surface sediment, and environmental factors such as vegetation, animal life and urban...

2003

Hybrid streamer/sparse OBN imaging offshore Norway

Chris Walker, Zhengzheng Zhou, Xi Li

International Meeting for Applied Geoscience and Energy (IMAGE)

...-uniform streamer shot grid a “virtual” shot carpet was generated. 50Hz Reverse Time Migration was applied to the OBN data using this reconstructed shot grid...

2023

A Southern North Sea Multi-Survey preSDM using Hybrid Gridded Tomography, #41592 (2015).

Ian Jones, Emma Evans, Darren Judd, Alan Campbell, Steve Elam

Search and Discovery.com

... the different surveys for imaging. Treatment of differing noise characteristics, offset ranges, frequency content, and acquisition bin sizes all contributed...

2015

Growth and demise of a Paleocene isolated carbonate platform, northwest Sirte Basin, Libya: Sequence stratigraphic architecture and controlling factors

Muneer Abdalla, Wan Yang, and Salah Shaniba

AAPG Bulletin

...). The envelope and curvature attributes were computed from the poststack 3-D seismic data to better visualize and interpret the mounded seismic facies. Random...

2023

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

...-surface lines; shot density for the variety of noise to the signal; and trace density for the unique ray-paths and hence signal-to-noise post-migration...

2017

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