Multi-realization seismic data processing with deep variational preconditioners

Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

...), such an assumption cannot always be met in practice. the proposed methodology. THEORY Variational inverse problems Throughout this work, we consider linear...

Seismic to Well Ties with Problematic Sonic Logs, by Don Burch, #40078 (2003)

Search and Discovery.com

Spectral Induced Polarization: A New Way for Hydrocarbon Prospect Prediction

Feisal Dirgantara

Indonesian Petroleum Association

... spectra obtained by normalizing observed apparent resistivity. The SIP system provides more efficient field work, better signal-to-noise ratio...

Are Key Technological Changes of the Last Three Years Enough to Warrant Reprocessing? Interpolation and AVO Inversion for the Nisku at Brazeau; #41556 (2015)

Lee Hunt, Scott Reynolds, Mark Hadley, Scott Hadley, Jon Downton, Bashir Durrani

Search and Discovery.com

..., 2001) which has larger uncertainty in the presence of noise than the P-impedance reflectivity (Downton and Lines, 2001). By interpolating...

Investigation of the linear velocity model in the Western-Canadian Basin

Michael A. Slawinski, John M. Parkin

CSPG Special Publications

...Investigation of the linear velocity model in the Western-Canadian Basin Michael A. Slawinski, John M. Parkin 1998 196 197...

Ultrasonic measurements of elastic anisotropy of granitic rocks for enhanced geothermal reservoirs

Mayra D. L. Carrasquilla, Jake Parsons, Teng Long, Min Sun, Yingcai Zheng, De-Hua Han

International Meeting for Applied Geoscience and Energy (IMAGE)

...d attenuation and a slower velocity at 0 and 45 degrees of orientation. Non-foliated granite, on the other hand, exhibited non-linear velocity variation, whic...

Fluorescent Dye Penetrant Technique for Displaying Obscure Structures in Limestone: NOTES

Syed A. Ali , Malcolm P. Weiss

Journal of Sedimentary Research (SEPM)

... contrast. After dye treatment, and under incident ultraviolet light, the linear fabric of fossil fragments becomes quite apparent (fig. 2...

Abstract: Mineral Exploration in Semi-arid Environment Using Hyperion (EO-1) Hyperspectral Data

A. Bannari, K. Staenz, S. Brunet, A. Saquaque, A. Zegan, A. Radnaoui, and R. Hitchcock

Search and Discovery.com

... as the class it most closely “resembles” digitally. Linear spectral mixture analysis (LMSA) is different from these standard classification methods...

Abstract: Poisson Impedance : A Promising Tool for Determination of Sand Quality; #90187 (2014)

Ritesh Kumar Sharma and Satinder Chopra

Search and Discovery.com

... between LI and GR shows the advantages of LI in distinguishing sandstone from shale. Fluid content is predicted using the linear relationship exhibited...

Making Waves: Seismic Data Collection Using Vibroseis Technology

C. Jason Criss

GEO ExPro Magazine

..., the mechanical side of the machine simply cannot respond quickly enough, and will generate noise or limited force. Most of the sweeps in oil and gas...

Integration of Time Lapse Seismic and Dynamic Reservoir Model Facilitate EOR Immiscible Water Alternating Gas (IWAG) Programme in Oil Field, Offshore Peninsular Malaysia, #40886 (2012)

Russikin Ismail, Noreehan Shahud, Yeshpal Singh, Ramli Ibrahim

Search and Discovery.com

... prediction. A red curve is the linear regression indicating 88% correlation between measured and predicted velocities. The rock physics analysis...

Application of Principal Component Analysis Biplots to Reservoir Characterisation and Classification for Low Permeability Carbonate Reservoirs in the Middle East

Liang Sun, Hang Zhao, Fan Liu, Penghui Su, Kun Liu

Unconventional Resources Technology Conference (URTEC)

... variables into a set of values of linearly uncorrelated variables called principal components (PCs), so that the dimensionality of the transformed data...

An Integrated Machine Learning Framework for Optimizing Unconventional Resources Development

Hui Zhou, Benjamin Lascaud

Unconventional Resources Technology Conference (URTEC)

... interpretation of complex data. It is also helpful for machine learning. For example, many machine learning methods work better with uncorrelated variables...

An Evaluation of Offshore and Beach Changes on a Tideless Coast

Lee L. Weishar, William L. Wood

Journal of Sedimentary Research (SEPM)

... amplitudes) of a matrix of data thought to be composed of uncorrelated modes of variability. The primary reasons for using empirical eigenfunctions...

Abstracts: Revisiting Homomorphic Wavelet Estimation and Phase Unwrapping; #90173 (2015)

Roberto H. Herrera and Mirko van der Baan

Search and Discovery.com

... the phase and the amplitude spectrum in a linear fashion. Unfortunately all surface-consistent deconvolutions make a minimum-phase assumption which...

Slip sliding away: Enigma of large sandy blocks within a gas-bearing mass transport deposit, offshore northwestern Greenland

David R. Cox, Mads Huuse, Andrew M. W. Newton, Paul Gannon, and John Clayburn

AAPG Bulletin

... s. Processing steps included signal noise attenuation and corrections and velocity analysis using Kirchhoff prestack time migration (PSTM). The frequency ranges...

Understanding Basement Controls on Basin Development: Constraints from Gravity and Magnetic Data.

Duncan R. Cowan, Linda A. Tompkins, Terry Tyler

Indonesian Petroleum Association

.... The anomalous field is a linear function of the mass or magnetization contrast but a non-linear function of the source location and geometry...

Discrimination of Depositional Environments Using Settling Tube Data

Asahiko Taira , Peter A. Scholle

Journal of Sedimentary Research (SEPM)

..., A. B., AND WEISER, D., 1974, Differentiation of modern sand bodies by linear discriminant analysis: Trans. Gulf Coast Assoc. Geol. Soc., v. 24, p...

III Columbia Oil & Gas Investment Conference: Conventional & Unconventional Hydrocarbon Resources - Abstracts

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... rocks usually are electrically resistive sandstones, over which the GPR obtain excellent radargrams with high ratio signal/noise and low attenuation...

Q-land Enters Australia: Overview of a Seismic Survey Pilot Study in the Cooper Basin

Tim Bunting

Petroleum Exploration Society of Australia (PESA)

... / / / / / / / / / / - FrequencytHzl Fig. 2. Synthetic sweep response: the O-Land pilot study MD Sweep is shown in blue and the traditional Cooper Basin linear sweep...

Chapter 7: Curie Point Depths in Northwestern South America and the Southwestern Caribbean Sea

Carlos A. Vargas, Javier Idarraga-Garcia, Juan M. Salazar

AAPG Special Volumes

... in central-southern Europe: Physics of the Earth and Planetary Interiors, v. 152, p. 267–276. Christofferson, E., 1973, Linear magnetic anomalies...

Differential Compaction Influences on Structure in West Cameron Block 225 Field

William R. Finley

GCAGS Transactions

.... Several of these sands map as linear bodies interpreted to be channels oriented in a general east-west direction. The juxtaposition of the basic...

An Effective Physics-Based Deep Learning Model for Enhancing Production Surveillance and Analysis in Unconventional Reservoirs

Yuewei Pan, Ran Bi, Peng Zhou, Lichi Deng, John Lee

Unconventional Resources Technology Conference (URTEC)

.... However, outliers, aberrant segments, and systematic noise often disturb and can cause significant bias. Additionally, incomplete sampling during system...

Slalom Line

R. Garotta

Indonesian Petroleum Association

... problems have been encountered. When compared with the rectilinear line, the non linear line has some drawbacks which may deteriorate from the clarity...

Multi-Scale Lithofacies and Chemostratigraphic Analysis of Two Middle Devonian Marcellus Shale Wells in Northern West Virginia, USA

T. J. Paronish, R. Toth, T. R. Carr, V. Agrawal, D. Crandall, J. Moore

Unconventional Resources Technology Conference (URTEC)

... observed in the CT images are directly proportional to changes in the attenuation and density of the scanned rock. Darker regions are less dense...