Hydraulic Fracture Monitoring Using Distributed Acoustic Sensing: A Case Study Using Dip-in Fiber

Chaoyi Wang, Yuanyuan Ma, David Eaton, Kelly MacDougall, Carolyn Furlong

Unconventional Resources Technology Conference (URTEC)

... microseismic signatures with P and S arrivals. The timing and locations of detected microseismic events along the fiber, as well as the linear noise...

Crustal and Petroleum Framework of the U.S. Chukchi Shelf as Interpreted from 9-km Long-Offset ArcticSPANTM 2-D Seismic Data, #40410 (2009)

Menno G. Dinkelman, James W. Granath, Naresh Kumar, Peter A. Emmet

Search and Discovery.com

... Interval 4 ms Multi-frequency noise attenuation Numerous multiple attenuation techniques (TAU-P, RADON, SRME) Standard Products: Raw Navigation...

Abstract: Applications of Kirchhoff Least-Squares Migration: Towards Reservoir Imaging; #90310 (2017)

Francesco Perrone, Graham Roberts, Lorenzo Casasanta, Andrew Ratcliffe

Search and Discovery.com

... as linear functions of the subsurface reflectivity and a migrated image is obtained by applying the adjoint (not the inverse) of the forward operator...

Abstract: Robust Methods of Multistep Velocity Analysis, by S. Katz; #91009 (1991)

Search and Discovery.com

Multiple Suppression on Marine Data Recorded in The Middle East

Search and Discovery.com

Study on Characteristic Variability of Weak Signal in High Density Seismic Acquisition; #41351 (2014)

Wujin Chen and Anchu Wu

Search and Discovery.com

... by sensors is very weak because of absorption and attenuation by subsurface and deep layer during signal propagating. The high frequency component was much...

Abstract: X-Ray Tomographic Imaging of Gassy Marine Sediments

Thomas H. Orsi, Aubrey L. Anderson, William R. Bryant, Carl M. Edwards

GCAGS Transactions

... property is the linear attenuation coefficient (µ) of x-ray energy. Assuming sample homogeneity, a monochromatic x-ray source, and a narrowly collimated x...

Seismic Acquisition in the Papuan Fold Belt: A New Approach

G. S. Hill, S. J. Price, M. S. Foster, R. W. Stephenson, D. Ellis, J. A. Lyslo

Papua New Guinea (PNG) Petroleum Convention Proceedings

.... The data were re-processed in 1994 by Digicon (Fig. 6). Powerful noise attenuation processes and coherency enhancement were applied in an attempt 1 9 8 7 P...

High-precision seismic imaging for complex deep structures in the hydrocarbon exploration using a coherent-stacking-based least-squares migration

Jidong Yang, Jianping Huang, Tengfei Lin, Zhenchun Li, and Liang Chen

AAPG Bulletin

... is used to demonstrate its adaptability for low signal-to-noise ratio data. With the rapid development of the petroleum industry in China and abroad...

Hourly Immersed Acquisition and Processing of Magnetotelluric Method for Noise Reduction

Alida Naufalia Aribah, Ikhsan Setyawan, Hidayat

Indonesian Petroleum Association

...Hourly Immersed Acquisition and Processing of Magnetotelluric Method for Noise Reduction Alida Naufalia Aribah, Ikhsan Setyawan, Hidayat IPA18-477-SG...

Abstract: Optimum Aperture Length for Improving Dispersion Curve Analysis in CMP Cross-Correlation of Surface Waves; #90187 (2014)

Roohollah Askari, Robert J. Ferguson, and Helen Isaac

Search and Discovery.com

... Waves to increase lateral resolution. Our approach is fast and we believe it is more robust in the presence of variable source wavelet and noise. We...

Modeling the Effect of Borehole Orientation on Stereonets; #42066 (2017)

Charles R. Berg

Search and Discovery.com

... on them. Equations derived for calculating fracture density can be modified to estimate attenuation. Attenuation is modeled by first generating...

AVO and Impedance Response of Perdices Miocene Sands, Lower Magdalena Valley Basin.

Oscar Moreno, Loz Darmon, Fernando Cerda, Anubrati Mukherjee

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... preconditioning that included band pass filtering, Surface consistent amplitude compensation, swell noise attenuation, linear move out, was done to the CDP gathers...

High-Resolution Anisotropic Earth Model Building on Conventional Seismic Data Using Full-Waveform Inversion: an Offshore Australia Case Study

Bee Jik Lim, Denes Vigh, Stephen Alwon, Saeeda Hydal, Martin Bayly, Chris Manuel, Dimitri Chagalov, Gary Hampson, Dimitri Bevc

Indonesian Petroleum Association

... the data were reprocessed from field tapes, careful noise attenuation was applied to improve the signal-to-noise ratio while preserving the original...

Case Study - Advanced Seismic Acquisitions and Processing Results in Indonesia

Michele Buia, Bakhrudin Mansyur, Herastya Iman Priyonggo

Indonesian Petroleum Association

... the problem, but the full attenuation of the noise required a certain number of applications of proper denoise algorithms in several data sorting...

Machine Learning Regressors and their Metrics to predict Synthetic Sonic and Brittle Zones

Ishank Gupta, Deepak Devegowda, Vikram Jayaram, Chandra Rai, Carl Sondergeld

Unconventional Resources Technology Conference (URTEC)

... regression, support vector regression, random forest, gradient boosting and alternating conditional expectation. We found that the commonly used multi-linear...

Impact of Reservoir Heterogeneity on Steamflood Performance

M. Kumar

Indonesian Petroleum Association

... compared to the uniform permeability case when permeability variations were uncorrelated between the injector and producer. On the other hand, it resulted...

Permeability Prediction from Geologic Models

Steven Bryant , Christopher Cade , David Mellor

AAPG Bulletin

... between predictions and measurements suggests that spatial correlation is inherent in granular porous media and consequently, uncorrelated (or arbitrarily...

Newly Acquired 2D Seismic Data Gives Insights into Prospectivity and Play Types of the Pegasus and East Coast Basins, New Zealand

M. Uzcategui Salazar, M. Francis, G. Brink, I. Guerra, K. Hayo

Southeast Asia Petroleum Exploration Society (SEAPEX)

... typically associated with a shallow tow. The data were then processed with enhanced multiple and noise attenuation to condition the seismic for depth...

The Effects of Seismic Data Conditioning on Pre-Stack Simultaneous Impedance Inversion

Scott W. Singleton

GCAGS Transactions

... is seen by many as a prerequisite to pre-stack inversion. This paper discusses three conditioning processes—signal/noise (S/N) improvement, stretch...

Seismic Foldout: FWI Imaging Under Complex Geological Anomalies

Adriana Citlali Ramirez, Simon Baldock, Stuart Fairhead, TGS

GEO ExPro Magazine

... that are not always well illuminated by traditional seismic imaging given a survey design, illumination gaps, noise, residual multiples, etc. FWI iteratively...

Predicting porosity, water saturation, and shale volume with high-resolution seismic inversion using Hopfield network: Upper Assam Basin, India

Son D. T. Phan, Triveni Gogoi, Rima Chatterjee,and Mrinal K. Sen

AAPG Bulletin

... and multiple attenuation. Details of the HNN and mean field annealing can be found in Sen and Stoffa (2013). Kahoo et al. (2006) reported HNN...

Multidomain simultaneous joint inversion for near-surface characterization A case study from onshore US

Nate Johnson, Ali Ahmed Hussein Mohamed, Zhanna Jackson, Seth Riseman, Kevin Douglas

International Meeting for Applied Geoscience and Energy (IMAGE)

... aiding seismic pre-processing in noisy areas: better aligned signal provided an opportunity to implement further improvements in noise attenuation leading...

The Utica - Point Pleasant Shale

Satinder Chopra, Ritesh Kumar Sharma, Hossein Nemati, James Keay, TGS

GEO ExPro Magazine

... preconditioned for random noise attenuation by applying structure-oriented filtering (Marfurt, 2006; Chopra and Marfurt, 2007). The pre-stack seismic data were...

Chapter 7: Advanced Reservoir Characterization Using 3D Seismic Data in Badger Basin, Bighorn Basin, Wyoming

John E. Buggenhagen

Montana Geological Society

... attenuation, convolutional effects of acquisition, and propagation of the wavelet. Random noise attenuation and trace kills were first applied...