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...

ABSTRACT: Hydraulic Fracturing Implications: Forensic Ambiguity, Science and Rhetoric, by Quast, Konrad W.; #90142 (2012)

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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...

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...

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).

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Passive Seismic: Something Old, Something New, by Peter M. Duncan, #40154 (2005).

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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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

Ultrasound Tomography Optimalization by Using Robotic Application

Albertus Ariel Rahadi, Tedy Setiawan

Indonesian Petroleum Association

... of the conducted research are given in the form of P wave velocity from a sample and its tomography result by using MSIRT method (Modified Simultaneous Iterative...

Latest imaging advancements in Suriname shallow waters

Jing Yang, Zhihua Sun, Zhihua Su, Bei Hu, Nicolas Chazalnoel

International Meeting for Applied Geoscience and Energy (IMAGE)

... show an undulating image at the target level and below. Tomography often faces limitations when attempting to resolve detailed velocities, and residual...

Abstract: Anisotropic Depth Imaging and Interpretation in Thrust-Belt Exploration, by Don Lawton; #90073 (2007)

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Improving reservoir imaging using long-offset OBN data: A case study from Conger field, Gulf of Mexico

Bin Deng, Han Su, Bharat Bonala, Jiawei Mei, Jennifer Lewis, Estefania Ortiz, Wisley Martins

International Meeting for Applied Geoscience and Energy (IMAGE)

... as well as the proximity of the reservoirs to these velocity complexities, accurately resolving the overburden and subsalt velocity is crucial...

High-Resolution HFTS2 Slant Core Imaging Through X-ray Computed Micro Tomography

Javier O. Guerrero, D. Nicolas Espinoza, Julia F.W. Gale

Unconventional Resources Technology Conference (URTEC)

...High-Resolution HFTS2 Slant Core Imaging Through X-ray Computed Micro Tomography Javier O. Guerrero, D. Nicolas Espinoza, Julia F.W. Gale URTeC...

2D Survey Earth Model Building and Depth Imaging Using 3D Grid-Based Tomography Technology

Eric Pearson, Suyang Chen

Indonesian Petroleum Association

... grid-based tomography and 2D depth migration. The water velocity for each line was manually picked (in the time domain using 2D PSTM data) to flatten...

Integrated Seismic Processing Challenges in Karstified Terrain of Papua New Guinea Fold Belt, #42521 (2020).

Subhash Chandra, Michael Szczepaniak, Patrick Haltmeier,

Search and Discovery.com

... velocity problems, several techniques have been proposed. One of them is First-arrival travel-time tomography (Nolet, 1987; Lutter et al., 1990; Aldridge...