Experience in the Use of Trend Analysis for Estimating Oil-Gas Prospects of the Pripyat Depression

V. G. Gerasimov, V. G. Zhoglo

Petroleum Geology: A Digest of Russian Literature

... their relationship to the position of pools of hydrocarbons. Regional tendencies were determined using polynomials of appropriate degree with the method of least...

Relationship of Reservoir Properties of Carbonate Rocks to Conditions of Sedimentation

R. Z. Mukhametshin

Petroleum Geology: A Digest of Russian Literature

..., and recrystallization. These rocks are not of interest as reservoirs. Equations of the relationship of permeability to porosity were calculated by the method of least...

Abstract: Circum-Arctic Petroleum Systems Defined Using Biomarkers, Isotopes, and Chemometrics, by K. E. Peters, L. S. Ramos, and J. E. Zumberge; #90096 (2009)

Search and Discovery.com

ABSTRACT: Improved Calibration of the Absolute Thermal Maturity of Coal-Sourced Oils and Gas Condensates Using PLS Regression, by Sykes, Richard; Zink, Klaus-Gerhard; #90155 (2012)

Search and Discovery.com

Geochemical Screening Using Infrared Spectroscopy and Multivariate Calibration: Mudrock Mineralogy, Major Element Chemistry, and Organic Content

Search and Discovery.com

ABSTRACT: Circum-Arctic Petroleum Systems Defined Using Biomarkers, Isotopes, and Chemometrics; #90108 (2010)

Kenneth Peters, L. Scott Ramos, and John Zumberge

Search and Discovery.com

... contributions from different source rocks to the giant Prudhoe Bay Field. Alternating least squares of concentration data (ALS-C) for 46 biomarkers...

Tutorial on Compressive Sampling

Search and Discovery.com

... the least squares (L2 minimization) which tends to spread the energy around. This results AAPG Search and Discovery Article #90170©2013 CSPG/CSEG/CWLS...

A deep learning-based inverse Hessian for full-waveform inversion

Mustafa Alfarhan, Matteo Ravasi, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

..., we propose the use of an approximate Gauss-Newton Hessian computed from a linearization of the wave-equation as commonly done in Least-Squares...

Facies-based inversion through integrating elastic full-waveform inversion and high-frequency imaging data

David Tang, Valeriy Brytik, Olivier Burtz, Young Ho Cha, Partha Routh, Ratnanabha Sain, Jay Barr, Dez Chu, Michael Gutierrez, Jeffrey Sitgreaves, Jacob Utley, Guy Medema, Alison Scribner

International Meeting for Applied Geoscience and Energy (IMAGE)

.... We choose to use least-squares reverse time migration (LSRTM) which is an inversion-based imaging method that solves for reflectivity/impedance...

Computer Mapping of Pinnacle Reefs, Evaporites, and Carbonates: Northern Trend, Michigan Basin: Chapter 5

David E. Hamilton, Skye K. Henize

AAPG Special Volumes

... from the least-squares algorithm should not be displayed. (B) Grid built using a trend and residual method and interpretive data on the north edge...

Acoustic approximation VTI reverse-time migration using pseudo-depth mapping method

Xinwen Zhang, Jianping Huang, Zhenchun Li

International Meeting for Applied Geoscience and Energy (IMAGE)

.... (2017); Sun et al. (2018) proposed a pseudo-depth domain cross-correlation least-squares inverse time migration method, which weakens the ambiguity...

Quantitative X-Ray Diffractometry of Carbonate Rocks: RESEARCH METHOD PAPER

J. H. Fang, L. Zevin

Journal of Sedimentary Research (SEPM)

...) in Equation 1 were obtained by the least-squares method. Once Kp's have been calculated, weight % of the constituent minerals are calculated from...

A Rapid Substitute for Textural Analysis

Irving Sherman

Journal of Sedimentary Research (SEPM)

... was analyzed by the pipette method and by sieving. The equation for the rectilinear least-squares trend line was found to be [EQUATION (2)] in which y...

Abstracts: Blind L1-norm Multichannel Deconvolution for Seismic Source Function Estimation; #90173 (2015)

Jaime Meléndez Martínez

Search and Discovery.com

... the reflectivity is known reduces to a multi-channel damped least-squares solution with quadratic regularization. The cost function from equation (1) is given...

A new double-difference earthquake relocation algorithm for models with complex velocity structure

Xinding Fang, Siwei Li, Zhixiang Zhang, Tianrun Chen, Yingcai Zheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... with respect to space so that one can formulate this problem as a least-squares inversion problem and solve it using a gradient-based iteration method...

PP-PS depth-domain AVA inversion

Maud Cavalca, Robin P. Fletcher

International Meeting for Applied Geoscience and Energy (IMAGE)

... depth-migrated data and design a joint PP-PS AVA inversion scheme accounting for both PP and PS illumination. Method Least-squares migration...

Abstract: Modified Euclids Blind Deconvolution Via Sparsity Optimization on a Sphere; #90187 (2014)

Nasser Kazemi and Mauricio D. Sacchi

Search and Discovery.com

... before and after deconvolution via SMBD, respectively. We also estimated the wavelet using the frequency-domain least squares estimator. The wavelet...

Abstract: Data Interpolation by Angular Weighted MWNI; #90187 (2014)

Mark Ng and Dan Negut

Search and Discovery.com

.... This provides a guide to the general impression of the dips. Then, apply the conjugate gradient (CG) method using the iteratively reweighted least-squares (IRLS...

Effect of Overburden and Reservoir Pressure on Electric Logging Formation Factor

I. Fatt

AAPG Bulletin

... psi overburden pressure with internal pressure at atmospheric. The dash lines in these figures are a least squares fit to the Archie equation...

Abstracts: Microseismic Source Inversion in Anisotropic Media; #90173 (2015)

Scott Leaney, Chris Chapman, and Tadeusz Ulrych

Search and Discovery.com

..., Calgary, Alberta, Canada, May 9-11, 2011 procedure is called “least-squares time reversal” or simple “LTRev” (Leaney, 2008) and can be viewed as a type...

Abstract: Robust Singular Spectrum Analysis for Erratic Noise Attenuation; #90187 (2014)

Ke Chen and Mauricio D. Sacchi

Search and Discovery.com

... (?). approximately got! SVD in their robust squares (IRLS) the estimate weights are least ˆ ! is the rank the reconstructed (M UV method based on randomized...

Three common statistical missteps we make in reservoir characterization

Frank Male and Jerry L. Jensen

AAPG Bulletin

... exist to debias (adjust) the line. Etnyre (1984) describes a method using weighted least squares. Another method, described by Jensen et al. (2000, p. 212...

CGG 3D Surface-Related Multiple Modelling: A Unique Approach, #41590 (2015).

David Le Meur, Antonio Pica, Terje Weisser

Search and Discovery.com

.... Introduction Multiple generation “squares” (at least for first order multiples) the degree of complexity of the reverberated reflected energy...

AAPG/Datapages Discovery Series No. 7, Multidimensional Basin Modeling, Chapter 4: 2-D Inverse Thermal Modeling on the Norwegian Shelf Using Fast Approximate Forward Solutions

S. P. Trautner and S. B. Nielsen

AAPG Special Volumes

... This chapter demonstrates that least-squares inverse modeling is possible in 2-D thermal and maturity modeling using fast approximate forward (FAF) solutions...

Abstract: Coherence and Measures of Coherence: An Advanced 3D Interpretive Processing Application

Leong Lap Sau, Ng Tong San

Geological Society of Malaysia (GSM)

... by fitting planes using orthogonal least squares based on the Hotelling (Karhunen-Loeve) Transform. The technique for finding this transformation...