Abstracts: Prestack Interpolation of a Sparsely Acquired and Heavily Structured 3D Land Data Set; #90173 (2015)

Dan Negut, Dave Ganley, Muyi Kola-Ojo, Dennis Quinn, Juefu Wang, Angela Truong, and David Emery

Search and Discovery.com

... is based on a dip-scan analysis of coherent energy on neighbouring traces in shot and receiver gathers (Bardan, 1987). This dip-scan algorithm (which we term...

Abstracts: Application of Shear-wave Splitting Analysis to Fracture Characterization for a Shaunavon Tight Oil Reservoir; #90173 (2015)

N. Chaminda Sandanayake and Richard A. Bale

Search and Discovery.com

... image, as it removes the time delays present within the radial PS gathers, so that they can be imaged more coherently (Whale et al, 2009). This is shown...

Ground Roll Removal and Signal Preservation by Cascading SVD Polarization Filters with Localized Fk-Filters; #41543 (2015)

Kristof De Meersman, Chris Ansorger

Search and Discovery.com

..., or backscattered and ‘badly behaving’ ground roll. Many processing flows in which true amplitude recovery is secondary to obtaining a good image therefore include...

Risk Reduction on the Ivory Prospect via Geologically Constrained Non-Parametric Inversion and Bayesian Uncertainty Estimation on a Fault-Bounded Reservoir, #11039 (2018).

James Raffle, Thomas Earnshaw, Stuart Greenwood, Jeet Singh, Juergen Fruehn, Claudia Hagen, Ian F. Jones, Rodrigo Felicio, Zhijiang Luo, Doug Sassen, Svein Idar Forsund, Mark Ackers, Lars Aamodt

Search and Discovery.com

... giving a more geologically plausible image 4b 1km 1km 1km 1km The model evolved through six tomographic model building updates. A non-parametric...

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

.... This high acquisition cost makes 3D data uneconomic. Therefore, highly complex 3D structures have to be interpreted from 2D seismic image only. The seismic...

Elastic FWI for large impedance contrasts

Zedong Wu, Zhiyuan Wei, Zhigang Zhang, Jiawei Mei, Rongxin Huang, Ping Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... approaches to obtain common image gathers (CIGs) for post-migration elastic parameter inversion. Now, with our newly developed E-TLFWI, is it possible...

Seismic Processing in the Papua New Guinea Fold Belt - Recent Experience

N. J. Fisher, F. R. Nicholson

Papua New Guinea (PNG) Petroleum Convention Proceedings

... and Petroleum 252 Seismic Processing in the Papua New Guinea Fold Belt - Recent Experience Figure 1. SP basemap and SAR image showing the location...

Considerations in Azimuthal Processing and Velocity Inversion for Unconventional Plays

Michael J. Perz, William Keller, Victor Kriechbaum

Unconventional Resources Technology Conference (URTEC)

... interpolated set of CMP gathers with regular sampling across both offset and azimuth coordinates. In the present study we simply grouped these CMP...

Pre- and Post-Injection Vertical Seismic Profiling over the Southwest Regional Partnerships Phase II Fruitland Coal CO2 Pilot; #80104 (2010)

Tom Wilson, Les Nutt, Ric Smith, Jitendra Gulati, Marcia Coueslan, Dwight Peters, Art Wells, Craig Hartline, George Koperna, Bill Akwari

Search and Discovery.com

... locations are shown on the QuickBird image at left (green squares) (also see Figure 3B). Presence of archaeologically sensitive areas at the site limited our...

Improving seismic interferometry for traffic noise by wavefield decomposition and deconvolution

Weiping Cao, Xuri Huang, Yezheng Hu, Yungui Xu, Jing Tang, Hai Yao

International Meeting for Applied Geoscience and Energy (IMAGE)

... waves to image subsurface shear wave velocity distribution. Due to the complexity of the traffic noise wavefield, estimation of robust empirical Green...

Angle-constrained VSP least-squares reverse-time migration based on a high-efficiency stabilized Poynting vector

Xuan Ke, Mauricio Sacchi, Ying Shi

International Meeting for Applied Geoscience and Energy (IMAGE)

...tain angle-domain common-image gathers from isotropic acoustic and elastic reverse time migration: Geophysics, 76, no. 5, WB135–WB149, doi: https...

Shallow High-Resolution Seismic Reflection to Delineate Upper 400 m around a Collapse Feature in Central Kansas

Richard D. Miller, Ana Villella, Jianghai Xia

Environmental Geosciences (DEG)

... predictions. Seismic reflection techniques have previously been used to image salt dissolution sinkholes in Kansas as well as other areas around...

Nias Basin, NW Sumatra … New Insights into Forearc Structure and Hydrocarbon Prospectivity from Long-Offset 2d Seismic Data

Ian Deighton, M. Ma’ruf Mukti, Satish Singh, Tom Travis, Anthony Hardwick, Katie Hernon

Indonesian Petroleum Association

... to image the deeper section underneath the forearc basin and MFZ. METHODS Acquisition Figure 1 shows the location of the SNA10 survey, along...

Seismic imaging in shallow water: where are we at and where might we be going?

Henry A. Debens, Robert Eliott-Lockhart, Jennifer Moss

Australian Energy Producers Journal

... of the four participants’ (V1, V2, and V4) common-image gathers (CIGs), the origins of which can be observed in the synthetic wave-equation CIG (Fig. 2a...

Integration of Multicomponet Surface Seismic, Multicomponent VSP and Microseismic in Reservoir characterization

Paul Constance, Jim Simmons, Shihong Chi, Lisa Sanford

Unconventional Resources Technology Conference (URTEC)

... porosities, fracture and fault distribution, or the ‘fracability’ of the reservoir to name a few, and then determine what tools best image, identify and map...

Time-Lapse WAW VSP Imaging of an Unconventional Reservoir Using DAS Fiber Optics

J. Andres Chavarria, Dan Kahn, David Langton, Steve Cole, Xinyang Li

Unconventional Resources Technology Conference (URTEC)

.... This provides not only velocity/image control in the overburden and target, but also high-resolution images within the frac zone from the horizontal receivers...

Seismic Technology Evolution to Support Prospect Evaluation, Exploration Well, and Geological Appraisal

Frederic J. Billette, Yan Quist

GCAGS Transactions

... available dataset drove the evolution of the seismic image of this area for many years. We moved from 2D to 3D SRME (surface-related multiple...

Comparing DAS and geophone data and imaging for monitoring CO2 sequestration

Yong Ma, Weichang Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... cover the section below 190m. Figures 2a and 2b show raw common gathers from the same source, as recorded by the DAS fiber and geophones...

Imaging below Seafloor Canyons and other Rugose Features

Dominic Fell, Kiran Dyal, Tony Hallam, Sebastian Nixon

Australian Petroleum Production & Exploration Association (APPEA) Journal

...., and Charles, S. (1998). Automated 3D tomographic velocity analysis of residual move-out in prestack depth migrated common image point gathers. 68th Annual...

Seismic Imaging Through Gas Cloud Using Borehole Seismic Walkaway Technique; A Case Example From Offshore Malaysia

Teck Kean Lim, Gunawan Taslim, Amy Mawarni M Yusoff

Indonesian Petroleum Association

... to delineate reservoirs underneath a gas cloud. Improvements in the resulting image enabled the interpreter to define the top reservoirs, which...

Fault Shadow Correction Methodology

P. Julien, J. L. Broyer, O. Bernet-Rollande

Indonesian Petroleum Association

... slower than in the footwall compartment. Consequently, the traveltimes are longer than expected; the result is a "pushdown" image observed beneath...

Abstract: Variable Depth Streamer Acquisition: Enhancing Interpretation with Broadband Marine Seismic; #90174 (2014)

R. Soubaras, R. Dowle, and R. Sablon

Search and Discovery.com

... the method benefits from improved signal-to-noise, or on pre-stack image gathers. This method is true amplitude, as it is able to extract the true deghosted...

Fracture Identification with Seismic Data, XinChang Field, China, by Peter Stewart, John Tinnin, James Hallin, and Jim Granath, #40370 (2008).

Search and Discovery.com

List of Plates

Peter A. Ziegler

AAPG Special Volumes

... Plate 1. Late Caledonian Tectonic Framework. Oversized Image :click to view Plate 2. Middle Devonian, Eifelian-Givetian. Oversized Image :click...

Imaging Deep into the Gulf of Mexico

Thomas Smith

GEO ExPro Magazine

... image steeply dipping beds and sub-salt structures. Looking at pre-stack gathers in the time or depth domains allows for interpretation of both post...