Effect of Mica on Particle-Size Analyses Using the Laser Diffraction Technique: RESEARCH METHODS PAPERS

Shaun Hayton , Campbell S. Nelson , Brian D. Ricketts , Steve Cooke , Maurice W. Wedd

Journal of Sedimentary Research (SEPM)

..., the weighted average percentage change was determined for each of the mica-bearing sand records as follows (see worked example in Table 2 and Fig. 2...

Statistical depth imaging through complex cluttered near-surface with path summation

Andrey Bakulin, Ilya Silvestrov, Maxim Protasov

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the subsurface, the final image is assembled as a weighted summation of elementary images that let each one contribute a valuable piece...

Inversion of magnetotellurics data with enhanced structural fidelity

Federico Golfré Andreasi, Simone Re, Federico Ceci, Luca Masnaghetti

Petroleum Exploration Society of Australia (PESA)

... fidelity is defined in least-square sense as the similarity between the current resistivity model and the “guiding model” which expresses...

ABSTRACT: The Geology of the Tal Vez Field Webb County, Texas

Dale H. Rowden

GCAGS Transactions

... were in accord that a fault existed between the two key wells, that stratigraphic accumulations were definitely indicated, and that at least three...

Stochastic Monte-Carlo simulations of overpressure probability distribution in the Halten Terrace area, by Ane Lothe and Are Tømmerås, #40232 (2007).

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Land, Marine and Transition Zone Seismic Operations in PPL 123, Papua New Guinea

Alan G. Fenwick, Robert J. Paul

Papua New Guinea (PNG) Petroleum Convention Proceedings

...° and greater than 150° introduce unacceptable error into the least squares trilateration solution. By necessity, numerous base stations needed...

Simple X-Ray Diffraction Techniques to Identify Mg Calcite, Dolomite, and Magnesite in Tropical Coralline Algae and Assess Peak Asymmetry

Merinda C. Nash, Bradley N. Opdyke, Zhongwei Wu, Huifang Xu, Janice M. Trafford

Journal of Sedimentary Research (SEPM)

... modeling of XRD patterns combined with a least-squares fitting procedure, such as Rietveld refinement (Hunter 1998). This method has been used (e.g., Nash...

Construction and Application of a Stratigraphic Inverse Model

Timothy A. Cross, Margaret A. Lessenger

Special Publications of SEPM

... of the inverse model is to minimize 2 and least squares In a perfect world the inverse model would determine the values of the parameters ab a2...

Statistical Time-Series Analysis and Sedimentological Tuning of Bedding Rhythms in a Triassic Basinal Succession (Southern Alps, Italy)

Florian Maurer, Linda Hinnov, Wolfgang Schlager

Special Publications of SEPM

.... 522-533. LOMB, N.R., 1976, Least squares frequency analysis of unequally spaced data: Astrophysics and Space Science, v. 39, p. 447-462. MAURER, F...

I would rather be vaguely right than precisely wrong: A new approach to decision making in the petroleum exploration and production industry

Reidar B. Bratvold, Steve H. Begg

AAPG Bulletin

... p.Longstaff, F. A., and E. S. Schwartz, 2001, Valuing American options by simulation: A simple least-squares approach: Review of Financial Studies, v. 14...

Interpreting Permeability from Mercury Injection Capillary Pressure Data; #41660 (2015)

Alton A. Brown

Search and Discovery.com

...(-0.16φ) (porosity in percent) The model is fit to the lower part of the data cloud rather than a least-squares fit (Figure 18). Regression fit...

Quantifying CretaceousCenozoic exhumation in the Otway Basin, southeastern Australia, using sonic transit time data: Implications for conventional and unconventional hydrocarbon prospectivity

David R. Tassone, Simon P. Holford, Ian R. Duddy, Paul F. Green, Richard R. Hillis

AAPG Bulletin

... transforming the exponential function to (inset of Figure 6A)yields a linear expression where a least squares regression was applied to optimize...

Fourier Grain-Shape Analysis of Coastal and Inner Continental-Shelf Sand Samples: Oceanside Littoral Cell, Southern Orange and San Diego Counties, Southern California

Robert H. Osborne, Chia-Chen Yeh

Special Publications of SEPM

... with periods equal to fundamental harmonics is fit to the observed data by a least squares tech Fourier method n is the har and 0n is the Rn is the harmonic...

Precise age and petrology of Silurian-Devonian plutons in the Benjamin River - Charlo area, northern New Brunswick

Jean-Luc Pilote, Sandra M. Barr, Reginald A. Wilson, Sean McClenaghan, Sandra Kamo, Vicki J. McNicoll, Mary Lou Bevier

Atlantic Geology

...://dx.doi.org/10.1016/0012-821X(79)90133-X York, D. 1969. Least squares fitting of a straight line with correlated errors. Earth and Planetary Science Letters, 5...

Characterization of M area tight sandy conglomerate reservoir based on seismic waveform inversion and attribute fusion

Li Yuan, Sun Xiaoping, Zhang Wei, Li Tao, Du Jingling, Ning Hongxiao, Liu Wei, Li Jianing

International Meeting for Applied Geoscience and Energy (IMAGE)

... to the importance of attributes to reservoir division, take the weighted arithmetic average value of various attributes. The fusion result...

Using Analytic Hierarchy Process for Supplier Selection

Ulysses Endropoetro

Indonesian Petroleum Association

... supplier performance and, subsequently, to assist in the sourcing decision are : 1) the Categorical and 2) the Weighted Point evaluation plans (Thompson...

Advances in Solids Control System Design for Expensive Muds

Jan B. Muchtar, Gregory J. Edelbrock

Indonesian Petroleum Association

... remove solids the quickest and with the least shear of any equipment in the solids removal system. Secondly, shakers give a relatively sharp cut...

A Nomogram for Obtaining Per Cent Composition by Weight from Mineral-Grain Counts

Robert Berman

Journal of Sedimentary Research (SEPM)

... sieve fraction (to determine what portion of the sample it represents). Accounting for each variable results in a properly weighted factor for each...

Abstract: Rock Property Data Volumes from Well Logs; #90063 (2007)

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Abstract: Advances in Noninvasive Fetal Imaging, by Wesley Lee and Anil Shetty; #90206 (2014)

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Abstract: A Comparison of 5D Reconstruction Methods; #90187 (2014)

A. Stanton, N. Kreimer, D. Bonar, M. Naghizadeh, and M. D. Sacchi

Search and Discovery.com

... reconstruction methods– Projection Onto Convex Sets (POCS), Tensor Completion (TCOM), and Minimum Weighted Norm Interpolation (MWNI). A method...

Estimating the Required Resource Volumes and Sources to Meet Strategic Targets; #41967 (2016)

Peter D. Carragher

Search and Discovery.com

... Recovery. In the column on the left are two other required ratios. The first ratio is an estimate of how much of the pre-drill chance weighted EUR...

Abstract: Prospect Risk Assessment: Past, Present, and Future

Peter D. Carragher

Houston Geological Society Bulletin

... is evaluated in a competitive bid round. The focus is on the level of technical risk, the range of possible resource sizes, and the risk-weighted economics...

Abstract: Geologic Interpretation of Color Displays of Complex Seismic Trace, by R. E. Sheriff, M. T. Taner, D. Frye, F. Koehler; #90968 (1977).

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ABSTRACT: Preliminary evaluation of the rhenium-osmium geochronology of Phosphoria Oils, Big Horn Basin, Wyoming

Paul G. Lillis, David Selby

The Society for Organic Petrology (TSOP)

... scatter about the isochron (mean square of weighted deviates, MSWD = 1627). For isotopic data to yield a linear array, all samples must have formed...