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The AAPG/Datapages Combined Publications Database
Showing 8,154 Results. Searched 200,293 documents.
ABSTRACT: Dynamics 3D/ 4D Modeling of Natural Gas Reservoir: Resolving the Complexities of the Niger Delta Formations for Effective Gas Production; #90007 (2002)
Ukpohor Theophilus
Search and Discovery.com
... was originally based on 2D seismic models, which provides a lot of ambiguity and limitations. Major structures were not fully comprehended while a lot...
Unknown
Understanding The Mesozoics Beyond Basalt: A Case Study Of Sub-Basalt Imaging
S. Sengupta, S. K. Goswami, G. Menzel-Jones, B. Chowdhury, Artem Sazykin
Indonesian Petroleum Association
.... * WesternGeco • Low signal-to-noise ratio creating ambiguity in estimating accurate velocity model of subsurface. This case study demonstrates...
2020
Determination of Velocity Model by Using NIP-Wave Tomographic Inversion: Application to Synthetic and Real Data
A. Hendriyana, R. Sule, Y. Akbar, L.A. Poerwaka, T.A. Sanny, Sardjito, Waluyo, Adriansyah
Indonesian Petroleum Association
... and laterally heterogenous velocity model. This method can improve the limitations of reflection tomography. Keywords: attributes tomographic inversion...
2009
Seismic Processing Strategies in the Deep Water Kutai Basin Gendalo Hub Pre-Stack Depth Migration
Xiuyuan Li, Harmit Singh, Joe Zhou, Graham Hodgkiss, Neil Young, Helmut Hsiao
Indonesian Petroleum Association
... in the pre-stack time migrated data. The effectiveness of the depth interval velocity model in incorporating those velocity variations is one...
2011
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
..., the initial starting model was derived from a smooth version of a reflection traveltime tomography velocity field derived from a depth migration workflow...
2014
Impact of Pre-Stack Depth Migration on the Anama Prospect, Papuan Foreland Basin
K. Bradey
Papua New Guinea (PNG) Petroleum Convention Proceedings
... Figure 14. Interval velocity-depth section, line A-A’, after horizon tomography and grid tomography, showing velocity increase near the base...
2000
PS reflection-based full-waveform inversion using single-mode propagator
Yongbo Zhai, James Xu, James Rickett, Peng Wang, Xin Cheng, Denes Vigh, Suyang Chen, Cara Smith
International Meeting for Applied Geoscience and Energy (IMAGE)
...-wave data. Conventional shear velocity model building (VMB) relies on joint PP-PS tomography and event registration. Similar to P-wave tomography, PP...
2024
ABSTRACT: Hydraulic Fracturing Implications: Forensic Ambiguity, Science and Rhetoric, by Quast, Konrad W.; #90142 (2012)
Search and Discovery.com
2012
Late Cretaceous to Present-Day Opening of the Southwest Pacific Constrained by Numerical Models and Seismic Tomography
Kara J. Matthews, Maria Seton, Nicolas Flament, R. Dietmar Müller
Petroleum Exploration Society of Australia (PESA)
.... (2010) suggested that a linear northsouth trending band of fast seismic velocity material located at 1325‑920 km depth, in the P-wave tomography model...
2012
Two-dimensional seismic refraction tomography of a buried bedrock valley at Hallsands beach, Devon, United Kingdom
Eric B. Avalos, David H. Malone, Eric W. Peterson, William P. Anderson, and Roland W. Gehrels
Environmental Geosciences (DEG)
... subsurface sediments less than 300 m (1000 ft) in depth offshore Kyushu, Japan. Higuera-Díaz et al. (2007) used 2-D refraction tomography to test...
2016
Cross-Borehole Tomography in Development Geology: Part 7. Geophysical Methods
J. H. Justice, M. E. Mathisen, J. R. Bulau, A. A. Vassiliou
AAPG Special Volumes
... (5 to 40 kHz), whereas seismic tomography measures the velocity of sound at seismic frequencies, usually in the frequency range of 20 Hz to as high...
1992
Abstract: X-ray Computed Tomography (CT) Applied in Routine Core Analysis: Examples from New Guinea and the North West Shelf, Australia, by L. Coshell, J. Brown, and J. K. Warren; #90982 (1994).
Search and Discovery.com
1994
Ultra-Long Offsets Signal a Bright Future for OBN
Duncan Bate, Mike Perz, TGS
GEO ExPro Magazine
.... The tomography driven workflow. The updated DM-FWI model (lower) shows the velocity model is more time spent tripping the conformable to the geology...
2021
Passive Seismic: Something Old, Something New, by Peter M. Duncan, #40154 (2005).
Search and Discovery.com
2005
Recognition of boulder in granite deposit using integrated borehole and 2D electrical resistivity imaging for effective mine planning and development
Muhammad Junaid, Rini Asnida Abdullah, Radzuan Saa'ri, M. Alel, Wahid Ali, Arshad Ullah
Geological Society of Malaysia (GSM)
... provides univocal and efficient vertical subsurface geological information, drilling exploration techniques have some principle limitations in detail...
2019
Three-Dimensional Seismic Attributes Help Define Controls on Reservoir Development: Case Study from the Red River Formation, Williston Basin
R. A. Pearson, B. S. Hart
AAPG Special Volumes
... operators should explore for, or develop, Red River reservoirs. Developing a methodology for resolving this ambiguity was the primary focus...
2004
Application of high-end seismic imaging technologies for field development in NWS Australia
Min Lee Chua, Kai Zhao, Narcisa Lazarescu, Wai King Yong, Sergey Birdus, Alexey Artemov, Xiang Li
Petroleum Exploration Society of Australia (PESA)
...uilding: a tomography update to focus on the low frequency background trend and anisotropic parameters update, and FWI to focus on resolving the velocity contra...
2019
Advances in Depth Imaging Technology: Rock Physics Guided Migration of Seismic Data in 3D
Nader C. Dutta, Sherman Yang, Jianchun Dai
Indonesian Petroleum Association
... GUIDED MIGRATION OF SEISMIC DATA IN 3D Nader C. Dutta* Sherman Yang* Jianchun Dai* ABSTRACT Conventional approaches to build velocity models for depth...
2012
Processing the first full azimuth OBN survey in Australia: a step change in imaging quality
Unnikrishnan Chambath, Vincent Ganivet, Sergey Birdus, Joe Zhou, Alain Delorme, Leigh Scoby-Smith, Ivan Gregory, Matt Kovacevic, Tim Williams, Chris Walton
Petroleum Exploration Society of Australia (PESA)
..., OBN upgoing and OBN downgoing) were used in the full azimuth tomography update, starting from the vintage streamer velocity model. The superior signal...
2019
Porosity Log Crossplots
John H. Doveton
Special Publications of SEPM
... to cancel one another out. Some of this ambiguity can be seen in the middle of the Viola section (Fig. 31a), where it is difficult to differentiate...
1994
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
... applied on depth migrated volumes have indicated regional and significant large-scale faults with limitations. However, to further understand reservoir...
2019
Tackling data challenges in land FWI: A case study
Victor Lopez, Yun Dong Guo, QingYang Li, Bin Yu, Changhua Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... significant improvements to the velocity and seismic imaging were achieved. 4. Reflection Tomography. The initial velocity model was created using well...
2023
Abstract: Spectral Decomposition of Seismic Data with Wavelet-Packet-Like Transform; #90211 (2015)
Rongfeng Zhang
Search and Discovery.com
... several limitations when resolving thin bed seismic events. The STFT method uses a fixed window length for all frequency analysis, while the CWT method...
2015
Abstract: Feasibility Testing of Time-lapse Seismic Monitoring with Full Waveform Tomography; #90171 (2013)
Chad Hogan, Ken Hedlin, Gary Margrave, and Michael Lamoureux
Search and Discovery.com
..., University of Calgary Summary Full waveform tomography reveals subtle sub-wavelength perturbations in the velocity model, given a sufficiently...
2013
Abstract: Imaging Sub-Volcanic Sediments From Wide-Angle Seismic Data In Selected Basins Of India; #90315 (2017)
Kalachand Sain
Search and Discovery.com
... that have made standard geophysical techniques incapable of probing Mesozoic sediments hidden underneath due to their inherent limitations. We have...
2017