Near-surface modeling by surface wave tomography inversion in oil and gas exploration

Wen Peng, Le Li, Zhonglin Cao, Guangying Wang, Pengfei Duan, Heng Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... is �� � = � �=1 ��� ��(�) where ��� is the bicubic spline interpolation coefficient. (1) Thus, a 2D slowness field distribution of the single...

Introduction to Contouring Geological Data with a Computer: Part 8. Integrated Computer Methods

J. L. Gevirtz

AAPG Special Volumes

... that are taken in groups of three and fitted exactly to a plane using a least squares or bicubic spline methods. The grid node estimate is obtained by averaging...

Slope Mapping

W. E. Dole, N. F. Jordan

AAPG Bulletin

..." contour maps. Anderson, W. L., 1971, Application of bicubic spline functions to two-dimensional gridded data: U.S. Geol. Survey Rept. PB203579...

Abstract: Regional Velocity Reduction, by David Judson, Bruce Meadours, John Sherwood, Johann Sattlegger; #90976 (1976).

Search and Discovery.com

Efficient seismic image super-resolution

Adnan Hamida, Motaz Alfarraj, Abdullatif A. Al-Shuhail, Salam A. Zummo

International Meeting for Applied Geoscience and Energy (IMAGE)

..., C, C, IBI + C, 5) … + Conv Depthwise Separable Conv PReLU Pixel Attention Pixel Shuffling ESC-PA Element-Wise Bicubic Addition...

CNN for image super-resolution of airborne magnetic data in Ontario, Canada

Rafael Pires de Lima

International Meeting for Applied Geoscience and Energy (IMAGE)

... robust results across a variety of loss functions. However, it showed weakness in recovering highfrequency components of the HR data. Compared to bicubic...

Computer Mapping: A Review of What is Available and What is Useful for Exploration Purposes

Nigel M. Waters

CSPG Bulletin

... computer mapping and graphics should be limited to spatial situations. Splines Bicubic splines have been fitted to data distributed across both one...

Assessing Intra-Bar Variations in Grain Roughness Using Close-Range Photogrammetry

Jane Groom, Stéphane Bertin, Heide Friedrich

Journal of Sedimentary Research (SEPM)

...). Using the mean elevation difference parameter (Hodge et al. 2009b), outliers were identified and replaced using bicubic spline interpolation. DEMs...

Porosity and mineralogy in the Lajas tight gas sandstone reservoir, Neuquén Basin, Argentina

Nathan Lavauzelle, Marja Siitari-Kauppi, Paul Sardini, Didier Loggia, Juuso Sammaljärvi, Daniel Beaufort, Ana Laura Rainoldi, Daniel Minisini

Journal of Sedimentary Research (SEPM)

... a bicubic interpolation. This new resolution was chosen to be equal to the resolution of the mineral map, to be able to superimpose the two images...

Algorithm Comparison with Cross Sections: Appendix A

David E. Hamilton, Thomas A. Jones

AAPG Special Volumes

... on the iterative solution of a biharmonic equation and is equivalent to fitting bicubic splines (Terzopoulos, 1988). The biharmonic filter is sometimes compared...

Three-Dimensional Gravity Modelling of Sedimentary Basins

R. Wood, D. Woodward

Petroleum Exploration Society of Australia (PESA)

... at the control point locations. For this study a grid spacing of 2 km and a bicubic interpolation scheme were used. A flat slab was assumed to extend...

Fractal and Shape Analyses of Manganese Dendrites on Vein Quartz

T. F. Ng, G. H. Teh

Geological Society of Malaysia (GSM)

... the dendrites. The cropped images were resized to a width of 1024 pixels by bicubic interpolation, giving final image resolution that ranges from 5.5 μm...

Lithofacies identification in cores using deep learning segmentation and the role of geoscientists: Turbidite deposits (Gulf of Mexico and North Sea)

Oriol Falivene, Neal C. Auchter, Rafael Pires de Lima, Luuk Kleipool, John G. Solum, Pedram Zarian, Rachel W. Clark, and Irene Espejo

AAPG Bulletin

... by first downsizing the image and afterwards upsizing the image to the target training resolution using bicubic interpolation (Figure 3). The training...

Deep convolutional neural networks for generating grain-size logs from core photographs

Thomas T. Tran, Tobias H. D. Payenberg, Feng X. Jian, Scott Cole, and Ishtar Barranco

AAPG Bulletin

... resolution using bicubic interpolation with the OpenCV library (Bradski, 2000). We found this approach to produce reasonable grain-size prediction...

Structure and Stratigraphy of the Lake Albert Rift, East Africa: Observations from Seismic Reflection and Gravity Data

Tobias Karp, Christopher A. Scholz, Michael M. McGlue

AAPG Special Volumes

.... This was completed by calculating a bicubic trend and subtracting it from the total field. The resulting field is herein referred to as the Residual Bouguer...

Electrical and fluid flow properties of carbonate microporosity types from multiscale digital image analysis and mercury injection

Jan H. Norbisrath, Gregor P. Eberli, Ben Laurich, Guillaume Desbois, Ralf J. Weger, and Janos L. Urai

AAPG Bulletin

... is done with a bicubic interpolation algorithm, preserving the pixel resolution (Klaver et al., 2012) using Autopano software. Pores are detected based...

Reservoir Modeling and Composition Simulation of Primary Depletion and Carbon Dioxide Flooding of a Small Pennsylvanian Carbonate Mound Complex, Runway Field, Paradox Basin, Utah, Volume 1-3 (OFR-421)

Wilmer E. Culham, Douglas M. Lorenz

Utah Geological Survey

... for the Top Upper Ismay. 4. These two simple surfaces were then converted to subsea depths and locally adjusted to the well depths using blended bicubic...