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The AAPG/Datapages Combined Publications Database
Showing 1,682 Results. Searched 200,693 documents.
From outcrop to flow simulation: Constructing discrete fracture models from a LIDAR survey
Christopher E. Wilson, Atilla Aydin, Mohammad Karimi-Fard, Louis J. Durlofsky, Amir Sagy, Emily E. Brodsky, Oliver Kreylos, Louise H. Kellogg
AAPG Bulletin
... of the scan as the distance from the scanner to the roadcut increased (Figure 4A). Once acquired, a least-squares fit of common reference points unified...
2011
Evaluation of Conservative Tracers for Coal Seam Reservoirs
Deasy Heryanto, Luke Connell, Nicholas Lupton, Jun Du, Michael Camilleri
Unconventional Resources Technology Conference (URTEC)
... flood observations. The CXTFIT model implemented in EXCEL presented by Tang et al (2010) was used in this work. This model implements a least squares...
2019
PETROPHYSICS OF THE MORROW FORMATION, SOUTHEASTERN NEW MEXICO
GEORGE A. HILLIS
Fort Worth Geological Society
.... The plotted data generate a gently curving, almost linear plot; the two lines are the least squares power-curve-fit lines for the data.As geologists, we...
1985
Auto-Control Model Building Using Machine Learning Regression for Extreme Response Prediction
Darrell Leong, Anand Bahuguni
Australian Petroleum Production & Exploration Association (APPEA) Journal
...: FHs ðh; a; m; p; kÞ ¼ 1 À exp½Àahm expðÀphk Þ ð1Þ with parameters a, m, p and k optimised via least-squares. The conditional probability density...
2020
Subsurface Pressure and Temperature Distributions: In Sacramento Basin, California
M. S. Lico, Y. K. Kharaka
Pacific Section of AAPG
... by a least squares fit of all temperature data within that township (Fig. 4). The mean annual near-surface temperature was taken to be 18.3°C. All log...
1983
Rb-Sr Isotopic Data from Three Suites of Igneous Rocks, Cape Breton Island, Nova Scotia
J. Duncan Keppie, A. N. Halliday
Atlantic Geology
... 1969. Least squares fitting of a straight l n . ie with correlated errors. Earth and Planetary Science Letters, 5 pp. 320-324...
1986
AGES AND POSSIBLE ORIGINS OF ARCHEAN BASEMENT LITHOLOGIES FROM THE SOUTH-CENTRAL BEARTOOTH MOUNTAINS: U-PB ZIRCON AND OXYGEN-ISOTOPE EVIDENCE
Carla W. Montgomery
Montana Geological Society
.... Publ. 84, p. 45-56. York, D., 1969, Least squares fitting of a straight line with correlated errors: Earth and Plan. Sci...
1986
Rheological and Chemical Properties of Alaska Heavy Oils
Matthew W. Liberatore, Andrew M. Herring, Kejing Li, Ala Bazyleva, Babajide Akeredolu, Manika Prasad, Michael Batzle
Unconventional Resources Technology Conference (URTEC)
... variables (X matrix) and correlated with viscosities (Y matrix) using partial least squares regression analysis (PLSRA) with full cross validation...
2013
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
Analysis of Time-Lapse Seismic and Production Data for Systematic Reservoir Model Classification and Assessment
Rafael Souza, David Lumley, Jeffrey Shragge, Alessandra Davolio, Denis Schiozer
Petroleum Exploration Society of Australia (PESA)
..., and improves objective function convergence in a history matching (HM) procedure when compared to a conventional least-squares optimisation approach...
2018
Monitoring in a Western Canadian Shale Play With a Sparse Surface Network: Moment Tensor Analysis Implications
Kit Chambers, Bogdan Batlai, Brad Bialowas, John Nieto, Dario Baturan
Unconventional Resources Technology Conference (URTEC)
... as the input data for a least squares inversion for the 6 independent moment tensor components. Figure 1: Well logs for upper Montney formation...
2017
Playa Sedimentology and Geomorphology: Mixture Modelling Applied to Landsat Thematic Mapper Data of Chott EL Djerid, Tunisia
Nick A. Drake, Robert G. Bryant, Andrew C. Millington, John R. G. Townshend
Special Publications of SEPM
... and the location of that pixel can be defined These pure pixels are termed end members The linear mixture model is applied by least squares fitting...
1994
Coherence Attribute Applications on Seismic Data in Various Guises
Satinder Chopra, Kurt Marfurt
Unconventional Resources Technology Conference (URTEC)
..., Technische Universiteit Delft. Bednar, J. B., 1998, Least-squares dip and coherency attributes: The Leading Edge, 17, 775–776. Bulhoes, E. M., 1999, Tecnica...
2018
222Rn Levels in Kingsville, Texas, and Vicinity near an In Situ Uranium Mine
Thomas Lee McGehee, M. Rochelle Martino, Thomas Lee Harr, Anthony Samudio
GCAGS Transactions
... samples by weighted least squares: Health Physics, v. 17, p. 593. Tanner, A. B., 1980, Radon migration in the ground: a supplementary review, in Gessell...
1994
Do Moment Tensors Flip During Hydraulic Completions?
Adam Baig, Sepideh Karimi, Benjamin Witten, Aaron Booterbaugh
Unconventional Resources Technology Conference (URTEC)
... recorded from a mixed array of surface and near-surface, wellbore deployed geophones and the moment tensors we obtain therefrom through least-squares...
2022
Occurrence of Strained Quartz in the Siliceous Frustules of Cultured Freshwater Diatoms
Jay M. Gregg , Susan T. Goldstein , Lester J. Walters, Jr.
Journal of Sedimentary Research (SEPM)
.... Jour. Sci., v. 267-A, p. 114-133. EVANS, W. A., JR., D. E. APPLEMAN, AND D. S. HANWERKER, 1963, The least-squares refinement of crystal unit cells...
1977
Three-Dimensional Modeling Techniques in the Analysis of a Mature Steam Drive: Chapter 18
Ramsay A. Barrett, Jeffery Bailey
AAPG Special Volumes
...-top grid was built using the minimum-tension algorithm in ISM. This algorithm is similar to least squares and results in a surface with a smooth...
1992
Isotopic and Elemental Geochemistry of Black Sea Sediments: Geochemistry
John A. Cooper , E. Julius Dasch , Maureen Kaye
AAPG Special Volumes
.... 1458-1460. York, Derek, 1969, Least squares fitting of a straight line with correlated errors: Earth and Planetary Sci. Letters, v. 5, no. 5, p...
1974
Effects of Oil and Gas Accumulation on Water Movement: GEOLOGIC NOTES
Richard E. Chapman
AAPG Bulletin
... pressure measurements. Data plotted as least squares correlation lines over approximate range of each set of data. Correlation coefficient is statistically...
1982
Sediment Thickness and Depth to Basement in Western North Atlantic Ocean Basin
Brian E. Tucholke , Robert E. Houtz , William J. Ludwig
AAPG Bulletin
... critical refractions as well. A convenient method for generalizing interval velocities involves the use of polynomials fit by least-squares to interval...
1982
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
Petrography and Reservoir Physics II: Relating Thin Section Porosity to Capillary Pressure, the Association Between Pore Types and Throat Size (1)
CATHERINE A. MCCREESH , ROBERT EHRLICH , and STERLING J. CRABTREE
AAPG Bulletin
... shape of the distributions. These relationships, based on least squares regression, are averages, and predicted saturation values generally...
1991
Tiltmeter Mapping and Monitoring of Hydraulic Fracture Propagation in Coal: A Case Study in the Warrior Basin, Alabama
George A. Gazonas, Chris A. Wright, M.D. Wood
Rocky Mountain Association of Geologists
... at the injection depth (approximately 480 feet). The solution provided is the best in a least squares sense and can be visualized in azimuth-dip space...
1988
Evaluating Gas Production Performances in Marcellus Using Data Mining Technologies
Qiumei Zhou, Robert Dilmore, Andrew Kleit, John Yilin Wang
Unconventional Resources Technology Conference (URTEC)
... length) through a function. In other words, a line could be drawn on the scatter plot consisting of response and predictors(s). The Least-Squares...
2014
Flow Interference Between Frac Clusters (Part 2): Field Example From the Midland Basin (Wolfcamp Formation, Spraberry Trend Field) With Implications for Hydraulic Fracture Design
Ruud Weijermars, Arnaud van Harmelen, Lihua Zuo
Unconventional Resources Technology Conference (URTEC)
... prototype well, the following parameters were obtained from a least squares fit on historic production: a = 1.1330 / month, m = 1.2765, q1 = 9773 Stb / month...
2017