Seismic velocity … A strong identifier of gas prospects

Martin Essenfeld, Rafael Sandrea

GEO ExPro Magazine

... is not as evident for gas reservoirs. It thus appears that the attenuation of the seismic velocity induced by the gaseous phase is sizeable enough...

Abstract: Kirchhoff Imaging with Adaptive Greens Functions for Compensation for Dispersion, Attenuation, and Velocity Imprecision; #90187 (2014)

Andrew V. Barrett

Search and Discovery.com

...Abstract: Kirchhoff Imaging with Adaptive Greens Functions for Compensation for Dispersion, Attenuation, and Velocity Imprecision; #90187 (2014...

Abstract: Geologic Interpretation of Color Displays of Complex Seismic Trace, by R. E. Sheriff, M. T. Taner, D. Frye, F. Koehler; #90968 (1977).

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Thin Bed Stratigraphy from Complex Trace Attributes: ABSTRACT

J. D. Robertson, H. H. Nogami

AAPG Bulletin

... of a zero-phase Ricker wavelet is synchronous with the central peak of the wavelet and exactly equal to the frequency corresponding to the center of gravity o...

A Parallel Black Oil and Compositional Multiphase Flow Simulator for Unstructured 3-D Finite Element Grids

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Abstract: Marlim R3D: A Realistic Model for mCSEM Simulations: Phase I … Model Building; #90310 (2017)

Paulo T. Menezes, Bruno R. Carvalho

Search and Discovery.com

...Abstract: Marlim R3D: A Realistic Model for mCSEM Simulations: Phase I … Model Building; #90310 (2017) Paulo T. Menezes, Bruno R. Carvalho AAPG...

Joint inversion of magnetotelluric and seismic travel time data with intelligent interpretation of geophysical models

Hongyu Zhou, Rui Guo, Maokun Li, Fan Yang, Shengheng Xu, Zuzhi Hu, Deqiang Tao

International Meeting for Applied Geoscience and Energy (IMAGE)

... propose a joint inversion method for magnetotelluric (MT) and seismic travel time data based on the intelligent interpretation of resistivity and velocity...

Specialized processing of a massive distributed acoustic sensing (DAS) 3D VSP in a producing well

Ali Sayed, Francesca Twynam, Ran Bachrach, Philippe Caprioli, Marcus Holloway, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist

International Meeting for Applied Geoscience and Energy (IMAGE)

... attenuation, DAS-to-velocity transform, designature, and Q-phase and directivity corrections were applied before migrating the data. The resultant...

Next-generation resolution through multiparameter FWI imaging

Tom Rayment, James McLeman, Karen Dancer, Tim Burgess

International Meeting for Applied Geoscience and Energy (IMAGE)

...) imaging offers an alternative approach by simultaneously inverting for various parameters including velocity and reflectivity using raw field data as input...

OBN up/down-going wavefields separation in dual-tree complex wavelet domain

Zhang Libin, Wang Wei, Zou Zhen, Li Yifan, Chen Zhigang, Wang Kebin

International Meeting for Applied Geoscience and Energy (IMAGE)

... matching and shear noise attenuation simultaneously by local attribute matching with phase correction in the dual-tree complex wavelet transform (DTCWT...

Abstract: Rock Physics Models for the Seismic Velocity of Cracked Media; #90171 (2013)

Zimin Zhang and Robert R. Stewart

Search and Discovery.com

.... Geophys. J. Royal Astronom. Soc. 64, 133-150. Kuster, G.T., and Toksöz, M.N., 1974, Velocity and attenuation of seismic waves in two-phase media: Part I...

Elastic full-waveform inversion using OBN data acquisition

Denes Vigh, James Xu, Xin Cheng, Bing Bai

International Meeting for Applied Geoscience and Energy (IMAGE)

... to build detailed velocity models over the past ten years. Most of these projects used pressure data and an acoustic approximation with the assumption...

Application of acoustic anisotropic time-lapse full-waveform inversion at the Sleipner Field

Sea-Eun Park, Alexey Stovas, Hyeong-Geun Ji, Ju-Won Oh

International Meeting for Applied Geoscience and Energy (IMAGE)

.... We first build an initial anisotropic velocity model using the Backus averaging. Then, we compare the accuracy of velocity models from...

Applications of elastic RTM on land data

Min Zhou, Changhua Zhang, Zheng Meng, Bin Yu, Mingqiu Liu, Yequan Chen, Dajian Jiang

International Meeting for Applied Geoscience and Energy (IMAGE)

... examples. With only single component data, the elastic RTM can improve migration images for the structures with large velocity contrast and/or the high...

Chapter 1: A New Exploration Strategy for Anomalously Pressured Reservoirs in Rocky Mountain Basins*

Ronald Surdam

Montana Geological Society

...-flow systems in the RMLB are. regionally compartmentalized. In the upper 7000 to 9000 feet, the fluid-flow system is single phase...

Acoustic Properties of "Young" Carbonate Rocks, Odp Leg 166 and Boreholes Clino and Unda, Western Great Bahama Bank

J.A.M. Kenter, F.S. Anselmetti, P.H. Kramer, H. Westphal,, M.G.M. Vandamme

Journal of Sedimentary Research (SEPM)

... Acoustic Properties Cross plots of velocity and porosity from wireline logging data along with the time-average and Raymer equations for a solid-phase...

The Formation and Behavior of "Vapor Lock" Pressure Seals and Associated Hydrocarbon Accumulations in Geologically Young Basins

W.M. Benzing , G.M. Shook , S.D. Leroy

GCAGS Transactions

... that the creation of pressure seals and the occurrence of abnormal fluid pressure reduces the seismic velocity and distorts the true depth to geologic...

Application of Inverse-Q Filter and Deconvolution to Improve Seismic Data Quality in the Deep Section

Deddy F. Djanawir, Frans Langitan

Indonesian Petroleum Association

... the coherency of seismic traces and increased confidence in velocity analysis. Inverse Q also sharpened the seismic wavelet shape and made the seismic...

First Results of Common Depth Point Regional Work in the East Border Zone of the Peri-Caspian Basin

V. P. Kan, B. S. Tasybayev

Petroleum Geology: A Digest of Russian Literature

... erosion. Waves reflected from this horizon are multi-phase (up to 8-10). Analysis suggests that this may be due to the presence of two closely spaced...

Large-scale Sand Injection in the Paleogene of the North Sea: Modeling of Energy and Flow Velocities

Davide Duranti

AAPG Special Volumes

... budget in the model is the single-phase injection. Polyphase injection would, however, only affect the flow velocity and, consequently, the kinetic energy...

Abstract: Obs Imaging of Gas Hydrates in the Northernmost South China Sea, by T-K. Wang, S-S. Lin, W-B. Cheng, C-S. Lee, and P. Schnurle; #90090 (2009).

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ABSTRACT: CRUSTAL STRUCTURE OF THE NORWEGIAN VOLCANIC MARGIN FROM AN EXTENSIVE OBS-NETWORK; #90022 (2002)

Thomas Raum, Rolf Mjelde

Search and Discovery.com

... below the extrusives and intrusives related to the Late Cretaceous-Early Tertiary rifting phase, that lead to continental break-up in Early Eocene...

Abstract: Scratching the Surface, Limitless Possibilities for Understanding Reservoir Behavior Through the use of Extensive Downhole Seismic Networks; #90000 (2016)

Ted Urbancic

Search and Discovery.com

..., though, the analysis of microseismicity consists of assessing the arrival times and hodograms of dominant phase groups (compression and shear...

Abstract: High-Resolution Seismic Velocity Structure of the Shallow Porcupine Basin From Traveltime Tomography and Waveform Inversion of Long-Streamer Data; #90310 (2017)

Manel Prada, François Lavoué, Brian O'Reilly, Sergei Lebedev, Yanhua Yuan, Clàudia Gras

Search and Discovery.com

...Abstract: High-Resolution Seismic Velocity Structure of the Shallow Porcupine Basin From Traveltime Tomography and Waveform Inversion of Long...

Abstract: Experimental Study of P and S Wave Velocities on Jurassic Carbonate Rock Saturated by Brine and Supercritical CO2; #91204 (2023)

Andika Perbawa, Viswashanti Chandra, Gaurav Gairola, Volker Vahrenkamp

Search and Discovery.com

... a triaxial frame enabling P and S wave ultrasonic velocity measurements under high pressure and temperature and also compatible with CO2 fluid...