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The AAPG/Datapages Combined Publications Database
Showing 1,463 Results. Searched 196,121 documents.
Wolfcamp Hydraulic Fracture Test Site Drained Rock Volume and Recovery Factors Visualized by Scaled Complex Analysis Method (CAM): Emulating Multiple Data Sources (Production Rates, Water Cuts, Pressure Gauges, Flow Regime Changes, and b-Sigmoids)
Ruud Weijermars, Kiran Nandlal, Murat Faith Tugan, Ron Dusterhoft, Neil Stegent
Unconventional Resources Technology Conference (URTEC)
... (DCA) least-squares regression fit based on Arps hyperbolic equation (Tugan and Weijermars, 2020a). Also included is a detailed analysis of the flow...
2020
Anatomy of a Flysch
Paul Enos
Journal of Sedimentary Research (SEPM)
... to derive an empirical formula by least squares fit (regression) for the observed rate of downcurrent disappearance of individual beds in ß7 member...
1969
THE THERMAL STATE OF THE WILLISTON BASIN IN CANADA
F. W. JONES
Williston Basin Symposium
... of the sedimentary column. The gradients in the upper interval were calculated from a least squares fitted straight line through the BHT...
1991
PALEOMAGNETIC ORIENTATION OF FRACTURES IN CORES FROM SOUTHWESTERN MANITOBA FOR HORIZONTAL WELL PLANNING
K. P. GILLEN
Williston Basin Symposium
..., v. 81, p. 75-87. Kirschvink, J.L., 1980, The least-squares line and plane and the analysis of paleomagnetic data, Geophysical...
1998
Adjustments of Velocity Logs to Tie Geophone Surveys
Warren Hicks
Oklahoma City Geological Society
... be used. In favorable areas this approach works out neatly. Usually a least squares fit is made of the log data to the geophone data. Least squares fits...
1961
Decline Curve Analysis in Vaca Muerta with Choke Size Normalization of Gas Rates
Mohamed Bennis, Juan Gellert, Martín Nougués, Pablo Crespo
Unconventional Resources Technology Conference (URTEC)
... pressure, and choke sizes from multiple oil- and gas-producing wells in Vaca Muerta. Assuming A3 equal to 1.9, we applied a least-squares non-linear...
2020
Multivariate Based Analysis of Methane Adsorption Correlated to TOC and Mineralogy Impact from Different Shale Fabrics
Sayed Ameenuddin Irfan, Nadiah Mohd Azli, Firas A. Abdulkareem, Eswaran Padmanabhan
Unconventional Resources Technology Conference (URTEC)
.../10.1023/ A:1010933404324 Geladi, P., & Kowalski, B. R. (1986). Partial least-squares regression: a tutorial. Analytica Chimica Acta, 185, 1–17. https...
2021
Improving reservoir imaging using long-offset OBN data: A case study from Conger field, Gulf of Mexico
Bin Deng, Han Su, Bharat Bonala, Jiawei Mei, Jennifer Lewis, Estefania Ortiz, Wisley Martins
International Meeting for Applied Geoscience and Energy (IMAGE)
..., the structural image of the field. Furthermore, FWI Imaging helped improve the amplitude fidelity for reservoir interpretation, where least-squares...
2023
Meeting the imaging challenges at Atlantis with high-frequency elastic FWI
Alex Hao, Chi Chen, Zhiyuan Wei, Jiawei Mei, Li Jiang, Sam Buist, Obi Egbue, Luis Lopez, Daniel Tebo
International Meeting for Applied Geoscience and Energy (IMAGE)
... the steeply dipping salt flank still suffers from poor illumination despite the improved velocity model. By employing least-squares fitting of the full...
2023
The need of elastic RTM for elastic FWI models
Hui Huang, Zedong Wu, Xue Xiao, Zhigang Zhang, Ping Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... signal-to-noise ratio (S/N) naturally, as a result of many iterations of least-squares fitting of the full wavefield data from low to high frequencies...
2023
Problem Areas in Interpretation of Pressure Measurements in Thin and Multi-Layered Reservoirs
C. Fraisse, B. Simon, B. Seto, D. Nardio, J. Pouzet, Y. Grosjean
Indonesian Petroleum Association
... of the Tunu field, this gradient can only be derived from the linear, least squares fit of actual pressure measurements taken from a large number of thin water...
1987
Alternate and Emerging Methodologies in Geochemical and Empirical Modeling
James R. Wood, Alan P. Byrnes
Special Publications of SEPM
... to be reanalyzed. Nonparametric and Nonlinear Regression Analysis While linear models are easy to develop, least squares linear multivariate regression...
1994
Caribbean Reef Corals Montastrea annularis and Montastrea cavernosa--Long-Term Growth Data as Determined by Skeletal X-radiography: Reef Biota
Jon N. Weber , Eugene W. White
AAPG Special Volumes
... for Montastrea annularis is derived from Type 1 least-squares linear-regression analysis in which growth rate (G) is taken as the dependent variable...
1977
Australia: Depth Reprocessing Rejuvenates Gippsland Basin
Peter Baillie, Paul Carter, Jarrad Grahame, Joe Zhou, Nigel Mudge, CGG
GEO ExPro Magazine
... focused on the low-frequency background trend and updated the anisotropic parameters. • Least-squares Q pre-stack depth migration was selected...
2019
South Atlantic: The Bigger Picture
Hermann Lebit, Jeff Tilton, Sriram Arasanipalai, Pascal Ollagnon
GEO ExPro Magazine
... broadband seismic domains. The north-western Albian Gap restorations of the regional tectonic imaging and Least-Squares Migration domain is an approximately...
2019
Orphan Basin, Canada: From Regional Prospect Screening to Reliable Reservoir Attributes Estimation
Scott Opdyke, Cyrille Reiser, Tiago Alcantara, Elena Polyaeva, PGS
GEO ExPro Magazine
.... Blue arrows indicate and least-squares migration (LSM) use the improvements in the Cretaceous and Jurassic. extra-broad frequency range recorded...
2020
Wide-Angle Seismic-Reflection and -Refraction Data from the Solomon Islands
A. K. Cooper, R. A. Wood
Circum Pacific Council Publications
... record were determined by selecting and digitizing segments of the seismic first arrivals, fitting these segments by linear least squares, and using...
1986
Geophysical Investigation Using Resistivity and GPR: A Case Study of an Oil Spill Site at Seberang Prai, Penang
Zaw Win, Umar Hamzah, Mohd Azmi Ismail, Abdul Rahim Samsudin
Geological Society of Malaysia (GSM)
... and then use a least-squares inversion scheme to determine the appropriate resistivity values for each block in 2-D. In the resistivity survey...
2011
Lower Paleozoic Stratigraphy, Depositional Systems, and Geologic History, Needle Mountains, Colorado
John A. Campbell, David A. Gonzales
Utah Geological Association
... Paper 1321–A, 54 p. York, D., 1966, Least-squares fitting of a straight line: Canadian Journal of Physics, v. 44, p. 1079–1086. York, D., 1969, Least...
1996
Using Fluid-Induced Microseismics to Image Permeability
Andrew King, Tobias Müller
Unconventional Resources Technology Conference (URTEC)
... consisting of a least-squares fit to the pressure or virtual pressure observations along with any prior information we have. (In the examples shown...
2016
Correlation of Organic Parameters Derived from Elemental Analysis and Programmed Pyrolysis of Kerogen
Laura J. Crossey, E. Sven Hagen, Ronald C. Surdam, Thomas W. Lapoint
Special Publications of SEPM
... include: SI, Sz, HI, elemental H/C and O/C, and PI. Statistical procedures using least squares regression allowed us to determine the form...
1986
AusAEM Year 1: Some aspects of quality control and calibration
Ross C. Brodie, Yusen Ley-Cooper, Ray Lockwood, David Murray
Petroleum Exploration Society of Australia (PESA)
...) profile form. We developed an iterative gradient-based least-squares regularised inversion algorithm to solve for these two calibration parameters...
2019
Colour Image Transformations of Wireline Logs as a Medium for Sedimentary Profile Analysis
D.R. Collins, J.H. Doveton
CSPG Bulletin
..., A. and Golay, M.J.E. 1964. Smoothing and differentiation of data by simplified least-squares procedures. Analytical Chemistry, v. 36, no. 8, p. 1627-1639...
1988
The Value of Building a Multiscale, Regional Geomodel for Reserves Assessment of the Midland Basin
Robin Dommisse, Livia Sivila, Frank Male, H. Scott Hamlin
Unconventional Resources Technology Conference (URTEC)
... validation was used to validate the model. Without cross-validation, ML can provide unrealistically high R2 metrics. Ordinary least squares, Lasso, random...
2018
The Isotopic Age of the Flathead Sandstone (Middle Cambrian), Montana: NOTES
Sambhudas Chaudhuri, Douglas G. Brookins
Journal of Sedimentary Research (SEPM)
... method with a resultant age of 555 ± 18 m.y. and initial Sr (87/86) of 0.7183 ± 0.001 as determined by least squares analysis. A single Rb-Sr age...
1969