Pore Pressure Prediction in Organic Shales of the Permian Basin: Rock Physics Basis

Prajnajyoti Mazumdar, Lev Vernik, Alex Dale

Unconventional Resources Technology Conference (URTEC)

...’s average to slightly below it at higher clay concentrations (Figure 3a). URTeC 4235583 6 Figure 3: (a) Matrix velocity of the inorganic phase...

High-resolution passive surface wave tomography using natural and anthropogenic noise sources in a mineral exploration context

Daniela Teodor, Charles Beard, Laura Pinzon-Rincon, Aurlien Mordret, Franois Lavou, Sophie Beaupretre, Dan Hollis, John McBride, Pierre Bou, Florent Brenguier

International Meeting for Applied Geoscience and Energy (IMAGE)

... inversion of the average dispersion curves. Conclusions The S-wave velocity model obtained from high-frequency (up to 22 Hz) phase velocity inversion...

A method for assessing earth model uncertainty in the Taranaki Basin, New Zealand

Edward Lewis, Dennis van der Burg, Tony Martin, Lorenzo Russo, Tony Bell

Petroleum Exploration Society of Australia (PESA)

... analysis during the velocity model building phase to define the optimal parameterization to employ within a given tomographic inversion. Following...

Elastic full-waveform inversion at regional scale for the northern Gulf of Mexico

Yao Yu, Anastasia Pavlovskaya, Kim Shoemaker, Hongyan Li, Jennifer Qin, David Derharoutian Jr., John Law, Zhao Ge, Ruth Hammans, Vivian Robertson, Kate Glaccum

International Meeting for Applied Geoscience and Energy (IMAGE)

... been demonstrated to update legacy velocity models to represent salt basin structures more accurately. Imaging the base Louann and complex salt and weld...

THE RENAISSANCE OF GRAVITY

Search and Discovery.com

Crustal Structure of the Bonaparte Basin: Evidence From Deep Seismic Data and Gravity Models

Search and Discovery.com

A preliminary assessment of uncertainties attributed by analysts, array types and processing algorithms for microtremor observations, via the COSMOS Blind Trials

Michael W. Asten, Alan Yong, Sebastiano Foti, Koichi Hayashi, Antony Martin, William J. Stephenson, John F. Cassidy, Jacie Coleman

Petroleum Exploration Society of Australia (PESA)

... (Grenoble, France) and the 2015 Intercomparison of Methods for Site Parameter and Velocity Profile Characterization (InterPACIFIC) Workshop (Turin...

Development of a Model to Predict Corrosion Rate and Flow Pattern in Oil and Gas Production

Ana Frapiccini, Teresa Perez, Marcela Goldschmit, Pablo Cirimello, Fernanda Santilli, Walter Morris

Unconventional Resources Technology Conference (URTEC)

... velocity or drift velocity between the emulsified liquid and gas phases and a distribution parameter, to calculate gas phase velocity (𝑉𝐺) and gas volume...

Abstracts: Gabor Multipliers for Seismic Modeling and Wavefield Propagators; #90173 (2015)

Michael P. Lamoureux, Gary F. Margrave, and Peter C. Gibson

Search and Discovery.com

... use a combination of stationary phase shift operators to model wave propagation in two dimensions. For each fixed velocity, we numerically propagate...

Modelling complex near-surface features to improve shallow seismic exploration.

Shaun Strong

Petroleum Exploration Society of Australia (PESA)

... related to weathering (low velocity) or basalts (potentially high velocity). Timing changes due to near-surface velocity variations are often accommodated...

Deduction of Flow Regime from Bedding Character in Conglomerates and Sandstones: NOTES

V. E. Gwinn

Journal of Sedimentary Research (SEPM)

... the passage, in a phase of decelerating discharge, decreasing depth, and decreasing velocity, from the upper, shooting flow regime to the lower...

Abstract: Time-Reversal Extrapolation for Microseismic Event Localization; #90224 (2015)

Zhenhua Li and Mirko van der Baan

Search and Discovery.com

... the recorded field to the source location using the velocity model. Time-reversal extrapolation is a typical migration based method. Traditional time-reversal...

Imaging of multiwell and multifiber walkaway DAS-VSP datasets in a CCUS demonstration project onshore Japan

Yuji Yamada, Shotaro Nakayama, Takuji Mouri, Manish Lal Khaitan, Philip Armstrong, Olga Podgornova

International Meeting for Applied Geoscience and Energy (IMAGE)

... offset and with increasing two-way-time. Incoherent noise was mostly attenuated through shot domain low velocity noise modelling and removal in the tau-p...

Velocity continuation with Fourier neural operators for accelerated uncertainty quantification

Ali Siahkoohi, Mathias Louboutin, Felix J. Herrmann

International Meeting for Applied Geoscience and Energy (IMAGE)

...Velocity continuation with Fourier neural operators for accelerated uncertainty quantification Ali Siahkoohi, Mathias Louboutin, Felix J. Herrmann...

High Resolution Seismic and the Search for the Subtle Trap

James A. Wells

West Texas Geological Society

..., provides the explorationist with a very effective tool. If the high resolution seismic is further processed through velocity inversion, depth...

Effects of Differential Cementation on the Sonic Velocities of Upper Cretaceous Skeletal Grainstones (Southeastern Netherlands)

Jeroen A. M. Kenter, Bruce W. Fouke, Marc Reinders

Journal of Sedimentary Research (SEPM)

... mineralogy, rather than a significant difference in primary porosity. The time-average velocity equation for a calcite matrix fails to predict...

Resolution limits of fluid overpressures from mineralogy, porosity, and sonic velocity variations in North Sea mudrocks

Christian Hermanrud, and Oddgeir Undertun

AAPG Bulletin

.... Winkler, K. W., and W. F. Murphy, 1995, Acoustic velocity and attenuation in porous rocks, in Ahrens, T. J., ed., Rock physics and phase relations...

Decoupled approximation of qP- and qSV-wave in attenuated TI media

Rong Huang, Zhiliang Wang, Guojie Song

International Meeting for Applied Geoscience and Energy (IMAGE)

...) introduce an auxiliary function to decouple and simplify the qP- and qSV-wave phase velocity expressions. Inspired by Li and Stovas (2021)’ s work, we use...

Characterization of a Sediment Core from Potential Gas-hydrate-bearing Reservoirs in the Sagavanirktok, Prince Creek, and Schrader Bluff Formations of Alaska's North Slope: Part 1Project Summary and Geological Description of the Core*

R. F. Sigal, C. Rai, C. Sondergeld, B. Spears, W. J. Ebanks Jr., W. D. Zogg, N. Emery, G. McCardle, R. Schweizer, W. G. McLeod, J. Van Eerde

AAPG Special Volumes

... a note of caution to the practice of interpreting the presence of hydrates from old well information.The velocity data from the phase I recovered core...

Abstract: Application of Steam Flushing for Remediation of Multicomponent DNAPL Subsurface Contamination; #90172 (2014)

Brent E. Sleep, Zheng Zhang

Search and Discovery.com

... coefficient for species  in phase  and  b is the bulk mass density of the soil phase (M/ L3 ). q  is the molar-averaged Darcy velocity vector D for phase...

A New Analytical Model for Liquid Loading in Shale Gas Reservoirs

Juntai Shi, Xiangfang Li, Yunchao Pu, Wei Yu

Unconventional Resources Technology Conference (URTEC)

... loaded and produced from shale gas wells. Key coefficient of B in the new model of critical liquid loading flow velocity (vg = B(σ(ρl-ρg)/ρg2)0.25...

One-way full-waveform inversion using frequency-domain model extension

Rustam Akhmadiev, Biondo Biondi, Robert G. Clapp

International Meeting for Applied Geoscience and Energy (IMAGE)

... extended models, FWI data residuals can be modeled accurately even in the presence of large errors in the starting velocity (slowness) model. During...

Effect of CO2 Dissolution on Fluid Flow and Phase Behavior in Oil-water Systems in Shale Reservoirs

Yilei Song, Zhaojie Song, Yufan Meng, Haoming Ma, Zhangxin Chen, Yunfei Zhang, Lichao Zhang, Dong Feng

Unconventional Resources Technology Conference (URTEC)

...Effect of CO2 Dissolution on Fluid Flow and Phase Behavior in Oil-water Systems in Shale Reservoirs Yilei Song, Zhaojie Song, Yufan Meng, Haoming Ma...

Abstract: Reflectivity Color Correction in Gabor Deconvolution; #90211 (2015)

Carlos Montana and Gary Margrave

Search and Discovery.com

... relies on the fulfillment of a set of assumptions on which the convolutional model is based: stationarity, minimum phase wavelet, white reflectivity...

Dynamic Non-Darcy Flow Compositional Numerical Simulation for CO2 Huff-n-Puff Development in Tight Oil Reservoir

Qiong Wang, Rui zhong Jiang, Yong zheng Cui, Gewei Liu

Unconventional Resources Technology Conference (URTEC)

...-phase flow velocity in each Huff-Puff cycle is shown in Fig. 1. Thus, low-velocity non-Darcy flow is still a new subject for compositional simulator...