Numerical modeling of PP and PS reflections in DAS VSP

Joseph J. Cherayil, James L. Simmons

International Meeting for Applied Geoscience and Energy (IMAGE)

..., J. E., K. Hall, D. Trad, and D. C. Lawton, 2021, Least-squares das to geophone transform: First International Meeting for Applied Geoscience & Energy...

Amplitude Versus Offset Gradient Modeling Over a Minnelusa Field

W.E. Johnson

Rocky Mountain Association of Geologists

... an amplitude versus offset gradient analysis might be performed. A least squares fit is made t o the amplitude versus offset for each time sample interval...

Analysis of the influence of bedding-parallel cracks on shale anisotropy based on stress-induced rock physics model

Ying Xu, Feng Zhang, Guohua Niu, Xiangyang Li

International Meeting for Applied Geoscience and Energy (IMAGE)

...’s theory. The Levenberg-Marquardt least squares algorithm to optimize each elastic stiffness 0 coefficients Cij of the crack-free background...

Cementation Exponent and Porosity Correlation -A Useful Petrophysical Tool in the Glorieta-Clearfork Dolomite

Souvick Saha, George B. Asquith

West Texas Geological Society

... Archie Parameters m and n Using Least Squares Summation and dielectric Water Saturations in the PASCAL Computer Program MN; Geobyte, October, p. 24–28...

Recognition of an Oil-Wet Carbonate Reservoir in the Mississippian Chester B-Zone Major County, Oklahoma

G. B. Asquith

West Texas Geological Society

... in Exploration Series, No. 5, 47 p. Asquith, G. B. and Souvick Saha, 1991, Determining Archie Parameters m and n using least squares summation and dielectric...

Coherent attribute enhanced fault recognition method based on histogram homogenization

Qing Zhou, Rui Wu, Chengcheng Xu, Yong Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... REFERENCES Bednar, J. B., 1998, Least-squares dip and coherency attributes: The Leading Edge, 17, 775–776, doi: https://doi.org/10.1190/1.1438051...

Cementation Exponent and Porosity Correlation - A Useful Petrophysical Tool in the Glorieta-Clearfork Dolomite

Souvick Saha, George B. Asquith

West Texas Geological Society

... Archie Parameters m and n Using Least Squares Summation and dielectric Water Saturations in the PASCAL Computer Program MN: Geobyte, October, p. 24–28...

Multiscale Characterization of Spatial Heterogeneity of Petroleum Source Rocks via Near-Infrared Spectroscopy

Yashar Mehmani, Alan K. Burnham, Michael D. Vanden Berg, Hamdi A. Tchelepi

Unconventional Resources Technology Conference (URTEC)

... for sophisticated mathematical analyses to extract useful information from measured spectra. These include, but are not limited to, partial least...

A practical approach to automate end-to-end multi-stage iterative source separation with prior framework using machine learning

Rajiv Kumar, Yousif Izzeldin Kamil Amin, Riccardo Giro, Sunil Manikani, Nam Pham, Massimiliano Vassallo, Phillip Bilsby, Tao Zhao

International Meeting for Applied Geoscience and Energy (IMAGE)

... to fit the least-squares misfit. The success of the source separation using equation (1) solely relies on the coherency criteria (Moore et al., 2008; Abma...

3D ultra high resolution seismic processing „ A case study from offshore USA

Bertrand Caselitz, Luca Limonta, Julien Oukili, Jonas Tegnander, Vicky Catterall

International Meeting for Applied Geoscience and Energy (IMAGE)

... for more advanced depth processing technology such as Least Squares Migration and Full Waveform Inversion. Conclusions In conclusion, this work...

Recognition of an Oil-Wet Carbonate Reservoir in the Mississippian Chester B-Zone, Major County, Oklahoma

G. B. Asquith

West Texas Geological Society

... in Exploration Series, No. 5, 47 p. Asquith, G. B. and Souvick Saha, 1991, Determining Archie Parameters m and n using least squares summation...

Characterization of multiphase fluid displacements by the geoelectric method at a laboratory microscale

Adrián Tichno, María Victoria Bongiovanni, Lucas Pavlov, Ana Osella, Matías de la Vega

International Meeting for Applied Geoscience and Energy (IMAGE)

..., e2020EA001575. Hele-Shaw, H.S., 1898, The flow of water: Nature, 58, 34–36. Loke, M. H., and R. D. Barker, 1996, Rapid least-squares inversion of apparent...

Delineation of CBM Reservoir Using Sparse Layer Inversion: Tanjung II CBM Field Case Study

Sunarli Ardi, Hanif Widya Nugraha, Shabrina Paramitha, Dian Larasati, Gathuk Widiyanto, Dinda Larasati Rahmani, Alfian Usman

Indonesian Petroleum Association

... and odd pair. Inversion solution through BPI is using a basisconstrained least squares equation. BPI method itself has a balance between sparseness...

Hybrid 3D Marine Towed-Streamers and Ocean-Bottom Nodes Survey - Challenges and Solutions for Seismic Data Processing and Imaging

Wai Leng Cheah, Wong Li Ming Joyce, Evonne Hooi Rong Yu, Artem Sazykin, Gavin Menzel-Jones

Indonesian Petroleum Association

...) to build a noise model and then, with the help of the least-squares approach, adaptively match and subtract the model from the Z-component. INTRODUCTION...

Quantitative Determination of Calcite-dolomite-apatite Mixtures by X-ray Diffraction

S. H. Bromberger, John B. Hayes

Journal of Sedimentary Research (SEPM)

... computer using a least-squares program designed by J. Hurt of the Mechanical Engineering Department, University of Iowa. FIG. 2. Curve for determination...

210Pb and 137CS Geochronology of the Lake Fausse Pointe Region of the Lower Atchafalaya Basin

Luke J. Patterson, Zahid Muhammad, Samuel J. Bentley, L. Del Britsch, Douglas L. Dillon

GCAGS Transactions

... be estimated by a least-squares fit End_Page 669------------------------ to:      (1) where ? = decay constant for the radionuclide of interest...

Characterizing Multiple Formations for Gas Production and CO2 Sequestration

Adriana Gordon, Bill Goodway, Evan Mutual, Raul Cova, Scott Leaney, Wendell Pardasie, Matt Ng

Unconventional Resources Technology Conference (URTEC)

... and seismic data. The B-T method generates a smooth least squares wavelet making it an efficient and powerful tool for extracting angle-dependent wavelets...

Moment and Graphic Size Parameters in the Sediments of Lake Geneva (Switzerland)

J.-M. Jaquet, J.-P. Vernet

Journal of Sedimentary Research (SEPM)

... between moment mean and graphic mean, with least-squares regression equation. Straight line indicates 1:1 relationship. TABLE 1. Formulas...

Thickness Change Involved in the Peat-to-Coal Transformation for a Bituminous Coal of Cretaceous Age in Central Utah

Thomas A. Ryer, Anna W. Langer

Journal of Sedimentary Research (SEPM)

... of the exposure where the channel rests on the coal. Lines have been fitted to the two sets of data by least squares linear regression. In both instances...

The Behavior of ZN2+ and MN2+ during Carbonate Diagenesis: Theory and Application: DISCUSSION

D. W. Morrow, I. R. Mayers

Journal of Sedimentary Research (SEPM)

... diagenesis with the 0.05 and 0.14 coefficients, respectively. The range of strontium values is for the low-magnesian calcite of Barbados, and the least squares...

The Sequence and Mechanism of Low-Temperature Dolomite Formation: Calcian Dolomites in a Pennsylvanian Echinoderm

David F. Blake, Donald R. Peacor, Bruce H. Wilkinson

Journal of Sedimentary Research (SEPM)

... for the phases by least squares refinement using 11 of the most intense diffraction peaks for each phase. Refined a and c values for the phases were...

Application of Multivariate Statistics in Crude Quality Characterization and Regional Distribution in Orinoco Oil Belt: Section II. Characterization, Maturation, and Degradation

M. Taheri, N. M. de Audemard

AAPG Special Volumes

... coefficients, obtained by the least squares method of best fit, were applied to every pair of 14 crude characteristics (API gravity; kinematic viscosity...

Venture Gas Field, Offshore Nova Scotia: Case Study of Overpressuring in Region of Low Sedimentation Rate

Brett S. Mudford , Melvyn E. Best

AAPG Bulletin

... of one standard deviation of the least-squares value of the gradient. Overpressuring occurs in strata with present temperatures greater than 120°C...

3D Refraction Statics Integrated with Surface-Consistent First-Break Picking, Iterative Inversion, and 3D Visualization

Search and Discovery.com

... − t Sj . (3) The system of equations (3) is strongly over-determined for typical 3D recording and can be solved for parameters tS by using the Least...

Abstract: Seismic Wave Attenuation due to Scattering and Leaky Mode Mechanisms in Heterogeneous Reservoirs; #90171 (2013)

Jun-Wei Huang, Gilles Bellefleur, and Bernd Milkereit

Search and Discovery.com

... mode were calculated from a least-squares fitting of amplitude logarithm versus arrival time of the two arrays. The receiver array is located...