Upside down Rayleigh-Marchenko imaging: an application to the Volve ocean-bottom cable data

Ning Wang, Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... between cables or sparse nodes. In this work, the UDRM scheme is applied to a 2D line of the Volve ocean-bottom cable dataset; first, we present...

Seismic Data-Processing Techniques in Exploration for Reefs, Northern Michigan

P. L. McClintock

AAPG Special Volumes

... and Depositional Models Difficulty in detecting reefs in northern Michigan is caused mainly by noise, "multiples" (reverberations), variations...

True Amplitude Preserved Multi-Azimuth Pre-Stack Depth Migration for Structural and Reservoir Characterization (Sisi-Nubi Field, Indonesia)

M. Baturin, F. Bertini, J. Bonnafé, A. Riou, S. Birdus, Y. Yin

Indonesian Petroleum Association

... iterations of isotropic modeling). It was used to estimate the Thomsen anisotropic parameter Epsilon volume. ‐ Depth misties between seismic based velocity...

Full Waveform Inversion for Complex Near-Surface Imaging Using SEG SEAM II Synthetic Model; #42322 (2018)

Ali A. Mohamed, Abdullatif A. Al-Shuhail

Search and Discovery.com

... wavelet with 3-20Hz Correlation between seismic wavefield and the near surface velocity 1. First arrivals show complex static issues that are correlated...

Permian glacial paleo-valley identification and characterization using geometrical attributes and 2D forward modelling

Leticia Itzel Flores-Sanchez, Michael LeStrat, Robert H. Richards

International Meeting for Applied Geoscience and Energy (IMAGE)

..., caused by the velocity contrast between the Permian sands and the Silurian, could lead to better mapping of the Permian. The geometry of the Permian paleo...

Iterative 3D deterministic and data-driven multiple attenuation for deep-water OBN in the Campos Basin

Thais Sales, Frederico Xavier de Melo, Joel Monteiro, Dmitri Skorinski, Shady Attia, Mohammad Ghazey, Marcella Braga, Etory Sperandio, André Ferreira, Moacyr Bezerra, Thiago Costa

International Meeting for Applied Geoscience and Energy (IMAGE)

... underlying earth assumptions, it provides a cost-efficient option when combined with residual velocity-based attenuation methods. This is an attractive...

Advanced Reprocessing and Imaging: Enhancing Legacy Surveys

Dominic Fell, Shane Westlake, Richard Patenall, Jennifer Badry

Petroleum Exploration Society of Australia (PESA)

... and Triassic zones of interest located at depths between 3 and 6 km. Water bottom multiples were prevalent throughout the survey area, significantly...

The Evolution of FWI and its Perceived Benefits

Tony Martin, Andrew Long

Australian Petroleum Production & Exploration Association (APPEA) Journal

...) when FWI is used, the channel imprint is removed. relative shift between the datasets. If the shift is significant, then the velocity model used...

Stratigraphic Modeling and Interpretation--Geophysical Principles and Techniques: Section 3. Stratigraphic Models from Seismic Data

Norman S. Neidell, Elio Poggiagliolmi

AAPG Special Volumes

..., and between arrival-time difference and thickness, are established using velocity information from nearby well-log measurements. If the lithologic...

Simultaneous inversion of velocity and reflectivity for enhanced seismic imaging

Yang Yang, Sriram Arasanipalai, Nizar Chemingui, Neil Paddy, Nicholas Montevecchi, David McCallum

International Meeting for Applied Geoscience and Energy (IMAGE)

... their corresponding kernels based on inverse scattering theory, which minimizes crosstalk between the two parameters resulting in more accurate velocity...

Abstract: Microseismic Event Location Accuracy Enhancement using Anisotropic Velocity Models; #90172 (2014)

Michael Jones, Richard Parker, Shawn Maxwell

Search and Discovery.com

... of the expected Figure 2: Velocity model time picking discrimination and angular accuracy of the data. The results of such a simulation are shown in Fig...

Abstract: Al-Khalij Field (Block 6.Qatar) Development Optimization: A New Dedicated Reprocessing, by Enrico Zamboni; #90105 (2010)

Search and Discovery.com

4D Finite Difference Forward Modeling within a Redefined Closed-Loop Seismic Reservoir Monitoring Workflow, #41922 (2016).

David Hill, Dominic Lowden, Sonika, Chris Koeninger

Search and Discovery.com

... in a 4D time-lapse amplitude difference of the depth-migrated seismic data (primaries, interbed multiples etc.) within and below the reservoir as shown...

Application of wave-equation reflection traveltime inversion to the Liwan deep-water streamer data in the South China Sea

Yilin Wang, Liangguo Dong, Chao Huang, Jianming Zhang, Yuzhu Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

...wn in Figure 2a. Figure 4: The overall velocity model update with the three-stage inversion. Figure 5: The estimated reflection traveltime shifts betwe...

Abstract: Vertical Seismic Profiles: An Interpretational Aid

Jack Caldwell

Earth Science Bulletin (WGA)

..., and they are probably valid ones. First, the VSP technique is relatively simple, being an extension of the check-shot or velocity surveying method...

I. Relation of Structural Section to Seismic Section

Robert E. Sheriff

AAPG Special Volumes

... this with a reflection from the base of a high-velocity wedge. The angle between the reflections on the seismic time section (Fig. 6) will differ from...

Prediction of Depth and Velocity on VSP Data: ABSTRACT

Dale G. Stone

AAPG Bulletin

...Prediction of Depth and Velocity on VSP Data: ABSTRACT Dale G. Stone 1983 553 553 67 3. (March) The Vertical Seismic Profile (VSP) method can often...

Chapter 3: Seismic Data Acquisition, Processing, and Interpretation in the Cook Inlet Basin — Local Geologic and Logistical Impacts

Diane P. Shellenbaum

AAPG Special Volumes

... for interpretation and help develop time-velocity fields for conversion to depth and should be made as consistently as possible between wells, fields...

Reef Exploration in Michigan Basin: Problems and Solutions: ABSTRACT

James Lee, Ron Budros

AAPG Bulletin

... at least 500 million years. During Niagaran time, tall (up to 700 ft, 213 m) hydrocarbon-bearing pinnacle reefs grew on a ramp or shelf between a deeper...

Abstract: Building Accurate Depth-Velocity Models in Shallow Water Marine Environment by Joint Reflection/Refraction Velocity Inversion; #90246 (2016)

Sergey Birdus

Search and Discovery.com

...Abstract: Building Accurate Depth-Velocity Models in Shallow Water Marine Environment by Joint Reflection/Refraction Velocity Inversion; #90246 (2016...

An Experimental High-Resolution Seismic Survey over Tin-Mine Ponds

Surendra Singh, G. A. Van Klinken

Geological Society of Malaysia (GSM)

..., using an upper velocity value of 1700 m/s for the alluvium velocity in this area. Wavelengths of the reflected signal would be less than 3.5 m...

Acoustic waveform inversion with the Lippmann-Schwinger equation constraint

Rahul Sarkar, Biondo Biondi

International Meeting for Applied Geoscience and Energy (IMAGE)

... internal multiples that interfere with primaries, without damaging the primary, without knowledge of subsurface properties, for off-shore and on-shore...

ABSTRACT: An Integrated 3-D Surface and Borehole Seismic Approach to Better Understand a Complex Reservoir: Case History from West Kuwait; #90051 (2006)

Tarek Nafie, Will Gowans, Pradyumna Dutta

Search and Discovery.com

... to inter bed multiples from the shallow horizons. Integration of the borehole data with 3D seismic data was utilized for relative trueamplitude recovery...

Improving Structural Imaging

Svein-Erik Sjulsen, Chris Stevens

GEO ExPro Magazine

... of the Arctic Circle (between 67° and 70°N) – remains largely unexplored for political reasons. While the oil industry believes that the sedimentary...

3-D Surface-Wave Estimation and Separation Using an Iterative Closed-Loop Approach; #41898 (2016)

Tomohide Ishiyama, Gerrit Blacquiere

Search and Discovery.com

... primaries in land or shallow-water environments. Separating them from the primaries is of great importance either for removing them as noise...