The generation of equivalent sources by 3D skeletonization of the migration density field

James Brewster

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the array density voxel cells, both the forward modeling and continuation calculations can readily be reduced to discrete convolution operations...

Whats Your Gas Worth: A Thrilling or a Taxing Matter?

Kenneth Wee

Australian Petroleum Production & Exploration Association (APPEA) Journal

... their own share of convolution, controversy and contention. Where the gas is taxed at a ‘midstream’ point antecedent to a sale, it becomes more complicated...

Generating high-quality labels for deep learning CO2 monitoring using local orthogonalization

Shuang Gao, Sergey Fomel, Yangkang Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

...fine a local attribute Fg [ j] at any spatial point j within a 3D seismic array s, utilizing a convolution with a cubic kernel g centered at j...

Backscatter analysis of vehicle-generated noise using symmetric autoencoders

Sanket Bajad, Pawan Bharadwaj

International Meeting for Applied Geoscience and Energy (IMAGE)

... surface waves attributed to the void, utilizing nearly half the recorded noise compared to that required for cross-correlation stacking approaches. Our...

Abstract: A study of Spectral Broadening Methods for Multicomponent Data; #90174 (2014)

Chuck Ursenbach, Peter Cary, and Mike Perz

Search and Discovery.com

... of obtaining the Vp/Vs model from the method of performing PS time to PP time mapping. Gaiser (1996) describes a cross-correlation based method...

Statistical Characterization and Geological Correlation of Wells Using Automatic Learning Gaussian Mixture Models

David, Lubo, Vikram Jayaram

Unconventional Resources Technology Conference (URTEC)

...Statistical Characterization and Geological Correlation of Wells Using Automatic Learning Gaussian Mixture Models David, Lubo, Vikram Jayaram URTeC...

Analysis of the Elastic Impedance Inversion and Lamda Mu Rho to Identify the Distribution of Sandstone Reservoirs and Hydrocarbon Fluids in the JoggingŽ Field, Northwest Java Basin

Akbar Dwi Wahyono, Mualimin, Sudarmaji

Indonesian Petroleum Association

... free seismogram can be assumed as the convolution of the band limited zero phase wavelet w(t) in the frequency interval (F1 F2) with reflection...

A Physically Consistent Decline Analysis Method for Unconventional Wells

Jorge A. Acuña

Unconventional Resources Technology Conference (URTEC)

... not require convolution. Boundary conditions can then be put into the model and long-term forecasts and estimated ultimate recovery can be made...

Coupled role of climate and tectonics in the deposition of the late Quaternary sedimentary sequence in the southern margin of the central Ganga Plain, India

Mukesh Yadav, U.K. Shukla, G.P. Gurumurthy, Sajid Ali, Kamlesh Kumar, Anupam Sharma

Journal of Sedimentary Research (SEPM)

... of Palaeosciences in Lucknow, India. Calculations and Data Analysis In order to understand sediment transport, deposition, and sorting of grains, unmixing...

Dual constrained reservoir modeling with geological factors and seismic attributes for exploration stage

Hongmei Luo, Yiran Xing, Changjiang Wang, Zhijing Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

.... According to the characteristics of seismic data, the method changes the 2D convolution kernel into 3D to obtain the high-dimensional features...

Production Diagnostics with Time Lapse Geochemistry

Yishu Song, Eric Michael

Unconventional Resources Technology Conference (URTEC)

.... Convolution neural network model was developed with TensorFlow for dynamic production performance predictions. Machine learning model details...

Geophysical Corner Articles from September 1996 – present, Compiled

Search and Discovery.com

Elements of High Constructive Deltaic Sedimentation, Lower Frio Formation, Brazoria County, Texas

Noel Tyler, Jong H. Han

GCAGS Transactions

... correlation marker (Bebout et al., 1978, 1979) (Fig. 2) in the Anomalina bilateralis zone. This zone is characterized by intermediate to high sandstone...

Mitigating cycle skipping in FWI through preconditioned multidimensional optimal transport

James McLeman, Tim Burgess, Tom Rayment, Victor Chua

International Meeting for Applied Geoscience and Energy (IMAGE)

... aspects of the residual. The waveequation travel-time inversion approach (Luo and Schuster, 1991) estimates time-shifts from the cross-correlation...

Analysis of the impact of demigration on traveltime-based reflection full-waveform inversion

Hong Liang, Houzhu (James) Zhang, Hongwei Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

...e convolution. The traveltime-based RFWI (Ma and Hale, 2013) utilizes a two-step workflow. The first step obtains 𝛿𝐦 through conventional FWI whil...

Enhancing the accuracy of DBSCANs first arrival traveltime picking using super-virtual refraction interferometry

Muhammad Awais, Sherif M. Hanafy, King Fahd

International Meeting for Applied Geoscience and Energy (IMAGE)

.... For example, Gelchinsky and Shtivelman (1983) employed the joint use of correlation with statistical technique to restrict the results of first break...

Direct S-wave seismic data interpretation for channel sand reservoir at Sanhu area, West China

Rui Zhang, Zhiwen Deng, Yan Wang, Xiaoyu Xi, Xiusong Wang, Jie Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... attributes and inversion results with well-log and production data, revealing a pronounced spatial correlation between the gas reservoir and channel...

Competition and the Quest for Offshore Leases

C. E. McMichael, R. W. Stephens

GCAGS Transactions

... suggests there is a positive correlation between this value and the coefficient of variation. Indeed this is true, for these two values are mathematically...

Acoustic impedance multichannel inversion constrained by spatial reflection features

Yaming Yang, Xingyao Yin, Kun Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... lateral features constraints can effectively improve the quality of seismic inversion. Multi-channel seismic inversion considers the correlation between...

Seismic reservoir characterization of the Strawn Group, northern part of the Eastern Shelf, King County, North-Central Texas: Case study

Osareni C. Ogiesoba

International Meeting for Applied Geoscience and Energy (IMAGE)

...) Crossplots of density vs Vp/Vs ratio (left panel) and acoustic impedance vs Vp/Vs ratio (right panel). Correlation coefficient between density and Vp/Vs...

Chapter 131: Stratigraphic Architecture, Seismic and Dynamic Signature of a Sand-rich Turbidite Ramp: Cime Dieu de Delfy, Grès d’Annot Formation, France

P. Joseph, F. Guillocheau, N. Babonneau, J. Seguin, A. Bourgeois

AAPG Special Volumes

... full wave seismic modelling versus one-dimensional convolution: The seismic appearance of the Grès d’Annot turbidite system, in P. Joseph...

Upscaling acoustic wave equation using renormalization group theory

Ajay Malkoti, Shravan M. Hanasoge, Rene Edouard Plessix

International Meeting for Applied Geoscience and Energy (IMAGE)

... is the “acoustic” or compressional velocity. x The product, q(ω, x ) = c2 (x )∆p(ω, x ) represents a convolution in the wavenumber (spatial-Fourier) domain...

An adaptive filter-based approach for the Marchenko multiples elimination scheme

Rodrigo S. Santos, Marcelo S. Souza, Daniel E. Revelo, Victor Koehne, Reynam C. Pestana, Diego F. Barrera, Laila D. L. Vergne, Jonathas Maciel

International Meeting for Applied Geoscience and Energy (IMAGE)

... bandwidth. The operators R and R∗ are the multidimensional convolution and correlation operators defined as: Z Z +∞ dx R(x′ , x,t ′ )P(x, x′′ ,t − t ′ )dt...

New technologies for seismic resolution enhancement and bandwidth expansion: Applications in SE Asian Basin

Yasir Bashir, Abdul Halim Abdul Latiff, Muhammad Sajid

Geological Society of Malaysia (GSM)

..., such as Q-marine. A novel de-convolution technique has been developed, which can enhance signal frequency to a considerable extent while minimizing...

Feature Detection for Digital Images Using Machine Learning Algorithms and Image Processing

Xiao Tian, Hugh Daigle, Han Jiang

Unconventional Resources Technology Conference (URTEC)

... models, including 34 separable convolutional layers. In separable convolutions, a spatial convolution is implemented keeping the channels separate...