Welcome to the new Datapages Archives
Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.
AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.
Welcome to the new Datapages Archives
Search Results > New Search > Revise Search
The AAPG/Datapages Combined Publications Database
Showing 1,682 Results. Searched 200,663 documents.
Origin and Environmental Application of Depth-Related Strontium-Isotope Ratios in Brines from the Wilcox Group (Middle Wilcox Aquifer) of East Central Louisiana.
Glenn F. Huff , Jeffrey S. Hanor
GCAGS Transactions
...-fit lines through dissolved bromide and dissolved chloride data for contaminated MRAA wells were calculated using the parametric least-squares method...
1997
Subsalt pressure prediction in the Miocene Mad Dog field, Gulf of Mexico
Michael P. Merrell, Peter B. Flemings, Glenn L. Bowers
AAPG Bulletin
... constrained the parameters n0 and in equation 7 with a least squares regression of log(n) versus (v) data for mudstones that were immediately adjacent...
2014
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...
1991
The Thermal Maturity of the Chattanooga Formation along a Transect from the Ozark Uplift to the Arkoma Basin
John Loften Carr III
Oklahoma City Geological Society
... of organic carbon within a rock. To be considered a potential hydrocarbon source rock, a clastic rock must contain at least 0.5% organic carbon (Tissot...
1989
3D Modeling Subsurface Mapping Application to Fluvial Meandering Blocky Sand 35-1 Reservoir. Nindi Oil Field. Asri Basin. South East Sumatera
Ario Arief Iswandhani
Indonesian Petroleum Association
... of the TAF to the top reservoir interval, using a least-squares interpolation of the well isochores, which was then added to the top TAF grid. A fault...
2012
Rational Analysis of Future Rate of Natural Gas Production
Martin A. Elliott , C. G. Von Fredersdorff
AAPG Special Volumes
... DESCRIBED An analysis of the type given here for natural gas is being extended to oil production. In this study a least-squares fit has been used...
1968
Do Kinetic Parameters from Open Pyrolysis Describe Petroleum Generation by Simulated Maturation?
Tanja Barth, Birthe J. Schmidt, Soren B. Nielsen
CSPG Bulletin
.... Organic Geochemistry, 8, p. 275-292. Nielsen, S.B and Barth, T. 1991. An application of least squares analysis in kinetic interpretation of hydrous...
1996
An IR-Based Field Analytical Method for Total Petroleum Hydrocarbon Measurement - Field Deployment and Benefit in Site Remediation
Deyuan Kong, Sara Mcmillen, Yohanes Eka Kurniawan, Timothy Vidra, Dion Kumboro, Sarah Chitra, Arya Angga Respati, Kasman Sutrisno
Indonesian Petroleum Association
... scanning and data reduction followed the procedure reported by G. Webster, et. al, in their recent publication.9 All the initial PLSR (Partial Least...
2018
A Hybrid Machine Learning Workflow for CO2 Huff-n-Puff
Gurpreet Singh, Anuj Gupta, Uchenna Odi, Davud Davudov, Birol Dindoruk, Ashwin Venkatraman, Rabah Mesdour
Unconventional Resources Technology Conference (URTEC)
... Using Least-Squares Support Vector and Gaussian Process Regression Proxies. SPEJ 26 (04), 2021. • Haiming Gao, Wanfen Pu. Experimental Study...
2024
Multivariate Analysis and Machine Learning Modeling of Permian Unconventional Decline Curve Analysis
Mei Han, Yuxing Ben, Markus Emsermann, James Cassanelli, Yongfeng Li, Stephanie Noonan, Xueying Xie, Soodabeh Esmaili, Osama Raba
Unconventional Resources Technology Conference (URTEC)
... 30,000 wells (Han et al. 2024). The algorithm minimizes the differences between observed and fitted production values using the least squares method...
2025
Lateral Fluid Flow in a Compacting Sand-Shale Sequence: South Caspian Basin
John D. Bredehoeft , Rashid D. Djevanshir , Kenneth R. Belitz
AAPG Bulletin
... is sometimes referred to as "Athy's law." We have made a least-squares fit of an exponential function to the porosity-depth data: EQUATION (1...
1988
Controls on Sediment Supply by Large Rivers
Niels Hovius
Special Publications of SEPM
... and drainage area hand have 1 Least squares regression lines can be fit to several of the For contractional settings old basin groups Fig 4 orogens...
1998
Application of seismic attributes to delineate the geological features of the Malay Basin
Abd AlSalam Almasgari, Mohamed Elsaadany, Abdul Halim Abdul Latiff, Maman Hermana, Abdul Hadi Bin Abd Rahman, Ismailalwali Babikir, Qazi Sohail Imran, Nicholas Fogne Appiah, Teslim Oyediran Adeleke
Geological Society of Malaysia (GSM)
..., 58(PB), 555–78. Puryear, Charles I., John P. Castagna, Oleg Portniaguine & Carlos Cobos, 2012. Constrained Least-Squares Spectral Analysis...
2020
Estimates of Sand Transport on the New York Shelf Using Near-bottom Current Meter Observations
P. E. Gadd, J. W. Lavelle, D. J. P. Swift
Journal of Sedimentary Research (SEPM)
... current speed of 30 cm/sec is reached. A least-squares analysis of the more recent flume data was performed in order to re-evaluate the coefficients...
1978
Structural Analysis, and Geometrical Prediction for Change of Form with Depth, of Some Arabian Plains-Type Folds
W. Sugden
AAPG Bulletin
... of least squares can be applied to determine the best possible equation from the data of all the holes. Ideally, if data are thought to be well...
1962
Assessing FWI imagings potential to tackle illumination issues and internal multiples in the Brazilian presalt
Cyril Dolymnyj, Filipe Rudrigues, Amanda Porto, Leandro Galves, Asdrubal Ovalles
International Meeting for Applied Geoscience and Energy (IMAGE)
... with acoustic modeling using FWI velocity model, (d) FWI Image, (e) Internal multiple model, (f) Least-squares RTM. The green circle highlights the area...
2022
Subsurface Characterizaton Using Microseismic Velocity, Attenuation, and Ansiotrophy Tomography in a Geothermal Field
Ahmad Syahputra, Andri Dian Nugraha, Rachmat Sule, Sri Widiyantoro
Indonesian Petroleum Association
...). For inversion, a LSQR (Least Squares) method (Paige and Saunders, 1982) was implemented to update the subsurface seismic velocity model at each iteration...
2014
Stabilizing two-term clock-drift inversion in ocean-bottom node processing
Beng Seong Ong, Zhaojun Liu, Carsten Udengaard
International Meeting for Applied Geoscience and Energy (IMAGE)
... have chosen to deal with nonlinearity instead of solving a linearized version of the least-squares problem. There are many nonlinear algorithms...
2024
A Rapid Substitute for Textural Analysis
Irving Sherman
Journal of Sedimentary Research (SEPM)
... include the computation of (1) a least-squares trend line, ordinarily rectilinear, (2) the standard error of estimate a out the trend line, and (3...
1951
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)
... Summary Traditional double-difference approaches for earthquake relocation are established based on a least-squares framework that enables...
2024
Deconvolution of Time-Varying Bottomhole Pressure Improves Rate-Time Models History Matches and Forecasts of Tight-Oil Wells Production
Leopoldo M. Ruiz Maraggi, Larry W. Lake, Mark P. Walsh
Unconventional Resources Technology Conference (URTEC)
...: naïve, generalized Tikhonov, truncated generalized singular value decomposition (TGSVD), truncated total least-squares (TTLS) and regularized...
2021
Interrelations of Population Growth, Energy Supply, and Environment: DISCUSSION
David L. Mari
AAPG Bulletin
... analysis has been employed by using the criterion of least squares to find the equation of a line which in some sense provides the best possible fit...
1974
Thermal-Analysis Technique for Source-Rock Evaluation: Quantitative Estimate of Organic Richness and Effects of Lithologic Variation: GEOLOGIC NOTES
George E. Claypool , P. Robert Reed
AAPG Bulletin
... regression based on all samples. Dashed line is nonlinear least-squares fit (power curve) computed for shale lithologies only. End_Page 610...
1976
Abstract: Beyond the Dots in the Box - Microseismicity-Constrained Fracture Models for Reservoir Simulation; #90172 (2014)
Leo Eisner, Sherilyn Williams-Stroud, Andrew Hill, Peter Duncan, Mike Thornton
Search and Discovery.com
... mechanism inversion from the surface data based on a least squares inversion of the observed P-wave amplitudes recorded on the vertical component...
2014
Abstract: Simultaneous Source Separation Via Robust Time Variant Radon Operators; #90187 (2014)
Amr Ibrahim and Mauricio D. Sacchi
Search and Discovery.com
... (1995). The Radon coefficients m are estimated by minimizing equation 1 using, for instance, Iterative Re-weighted Least Squares (IRLS) (Scales, 1987...
2014