Predicting S-wave sonic logs using machine learning with conventional logs for the Delaware Basin, Texas

Jaewook Lee, Yangkang Chen, Robin Dommisse, Alexandros Savvaidis, Guo-chin Dino Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... Wide (1 layer) 9.58 0.75 Kernel Support Vector 12.64 0.56 Machines Kernel Least Squares Kernel 11.92 0.61 hypocentral depth estimation...

Fracture Stimulation of the Eagle Sandstone on the Cedar Creek Anticline

Trent Green, Monte Besler, Dennis Zander

Rocky Mountain Association of Geologists

... is even better than AOF testing predicted. 35,000 Median Offset Well AOF 30,000 25,000 20,000 15,000 10,000 Observed Least Squares Fit 5,000 0...

Geothermal Variations in Oil Fields of Los Angeles Basin, California

Anders J. Carlson

AAPG Bulletin

...-temperature values. The mean gradient for a certain depth interval is derived by the method of least squares,(FOOTNOTE 1) on the assumption...

AEM, Seismic and Power-lines: A hydrogeological case study in Peel, Western Australia

Andrew Pethick, Brett Harris, Olga Barron

Petroleum Exploration Society of Australia (PESA)

.... 5. 6. 7. 8. 1D inversion algorithm (See Raiche et al., 1999 and Raiche et al., 1985). This algorithm uses an SVD non-linear least-squares...

Paleomagnetism of the Upper Paleocene Locatelli Formation, Santa Cruz County, California: Implications for Tectonic Rotation of the Northern Salinian Block

Donald R. Prothero, Ruben A. Lopez

Pacific Section SEPM

... that was oriented northwest and up after dip correction (Fig. 3). This component was determined using the least squared method of Kirschvink (1980), and then all...

An integrated approach to subsurface uncertainty and risk analysis from offshore Trinidad

Raihaan Ali, Randy Partap, Sarika Ramnarine, Tariq Karamath, Daisy Ramsaran

International Meeting for Applied Geoscience and Energy (IMAGE)

... inversion. FWI is also a least-squares fitting process thus contributes supplementary structural information for more balanced illumination (Zhang et...

Resolving DAS versus geophone discrepancies using the DAS transform: A comparative study from the CaMI CCS field research station, Alberta

Ali Sayed, Robert R. Stewart, Marie Macquet, Don Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

... High-resolution imaging using least-squares migration in the image domain (LSMi) for a marine distributed acoustic sensing (DAS) 3D-VSP: Third International Me...

The Slotted Cone Splitter

F. J. Flanagan, R. C. Kellagher , W. L. Smith

Journal of Sedimentary Research (SEPM)

... of sampling heavy mineral concentrates: Jour. Sedimentary Petrology, v. 3, p. 30-39. SCHEFFE, H., 1953, A method for judging all contrasts...

Continental Oceanic Crustal Transition in the Gulf Coast Geosyncline: Rifted Margins: Field Investigations of Margin Structure and Stratigraphy

Abou-Bakr K. Ibrahim , Elazar Uchupi

AAPG Special Volumes

... the first ground arrivals were used in the analyses. Data from the travel time curves were fitted by the least squares method, and the inverse slope...

Permeability of Clays, Silty-Clays and Clayey-Silts

Bryant, William R.

GCAGS Transactions

... obtained were subjected to a least-squares regression fit. The correlation coefficients of the polynomial regression models of the four size groups...

Ferro-Magnesian Calcite Cement in Sandstones

A. Jack Nash, Edward D. Pittman

Journal of Sedimentary Research (SEPM)

... spectrographic analyses, which were made on some samples for comparison, showed relatively good agreement with atomic absorption measurements. A least squares...

Influences of Diagenetic Environment on Porosity and Permeability of Holocene and Pleistocene Corals: GEOLOGIC NOTES

Michael Scherer

AAPG Bulletin

... to aragonite-calcite ratios of Montastrea annularis and Diploria. End_Page 2154------------------------------ programs for a least-squares procedure...

Abstract: Elastic Full Waveform Inversion For Land Walkaway VSP Data; #90224 (2015)

Olga Podgornova, Scott Leaney, Marwan Charara, and Eric von Lunen

Search and Discovery.com

... geological basis requires further investigation. Full waveform inversion algorithm We apply a conventional least-squares formulation of FWI...

Allocating the Contribution of Oil from the Eagle Ford Formation, the Buda Formation, and the Austin Chalk to Commingled Production from Horizontal Wells in South Texas Using Geochemical Fingerprinting Technology, #41268 (2014)

David K. Baskin, Alan Kornacki, Mark McCaffrey

Search and Discovery.com

... d b d are measured by Gas Chromatography (GC). A least squares regression is then performed in n-dimensional space space, where n is the number of GC...

Mapping Storage and Enhanced Gas Recovery for Organic Shale in the Midwest Regional Carbon Sequestration Partnership; #80667 (2019)

Brandon C. Nuttall, Thomas N. Sparks, Stephen F. Greb

Search and Discovery.com

... for estimating the distribution of organic matter will yield a probabilistic result. the Utica Consortium TOC data set. 2) Linear least squares plots...

Spectral Analysis of the Middle Triassic Latemar Limestone

Linda A. Hinnov, Robert K. Goldhammer

Journal of Sedimentary Research (SEPM)

... Scienze Naturali, Sez. A, v. 42, p. 113-162. BARRODALE, I., AND ERICKSON, R.E., 1980a, Algorithms for least-squares linear prediction and maximum...

Retention of High Permeability During Shallow Burial (300 to 500 M) of Carbonate Grainstones

Susan E. Melzer, David A. Budd

Journal of Sedimentary Research (SEPM)

...” permeability) generate a least-squares exponential regression with depth that predicts an average permeability of 50 md at 3270 m (Budd 2001...

Aragonitic Algae in Calcite Seas: Effect of Seawater Mg/Ca Ratio on Algal Sediment Production

Justin B. Ries

Journal of Sedimentary Research (SEPM)

...) of the algae (Table 1) were calculated as the slopes of the least-squares linear regressions through the respective data. Figure 6. Calcification by U...

Geophysical Analyses to Map Concealed Faulting in the Wasatch Fault Zone in Northeastern Provo, Utah County, Utah

Alvin K. Benson, Leo T. Brown, Nathan Brett Mustoe

Utah Geological Association

.... Polynomials of low order (1-5) were fit to the reduced data using a least-squares approach. The variance for each polynomial was then calculated and plotted...

The Hydrodynamics of the Big Horn Basin: A Study of the Role of Faults (1)

J. D. BREDEHOEFT , K. BELITZ , and S. SHARP-HANSEN

AAPG Bulletin

..., we decided to analyze all the data together (Figure 11). A least-squares fit of equation 3 to the data in Figure 11 yielded coefficients values...

CSPG/CSEG/CWLS GeoConvention 2009, May 4-8, 2009 Roundup Centre, Stampede Park & ERCB Core Research Centre, Calgary, Alberta, Canada; - Abstracts, #90171 (2013).

Search and Discovery.com

CSPG/CSEG/CWLS GeoConvention 2009, May 4-8, 2009 Roundup Centre, Stampede Park & ERCB Core Research Centre, Calgary, Alberta, Canada; - Abstracts, #90171 (2013).

Search and Discovery.com

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

Nigel M. Waters

CSPG Bulletin

... to isolate the regional pattern from the local variations in a spatial data set. The two most common methods involve either the least-squares fitting...

Significant Error Reduction in Machine-Learning Decline Curve Analysis for Unconventional Reservoirs

Boxiao Li, Travis Billiter, Timothy Tokar

Unconventional Resources Technology Conference (URTEC)

.... This function is explicit (can be written analytically) if least-squares regression is used as the machine-learning algorithm, and is implicit if more...

Upscaling acoustic wave equation using renormalization group theory

Ajay Malkoti, Shravan M. Hanasoge, Rene Edouard Plessix

International Meeting for Applied Geoscience and Energy (IMAGE)

... show a good consistency for generated waveforms. INTRODUCTION Seismic imaging techniques such as reverse-time migration, least-squares reverse-time...