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The AAPG/Datapages Combined Publications Database
Showing 1,463 Results. Searched 196,121 documents.
Magnetic Stratigraphy of the Upper Miocene (Type Wishkahan-Graysian) Montesano Formation, Grays Harbor County, Washington
Donald R. Prothero, Jordan N. Lau
Pacific Section SEPM
... and Biogeography: Geological Society of America Memoir, v. 163. Kirschvink, J. L., 1980, The least-squares line and plane and the analysis of paleomagnetic data...
2001
Paleomagnetism of the Monterey (Miocene) and Fernando (Pliocene-Pleistocene) Formations, Balcom Canyon, Ventura Basin, California
Joseph C. Liddicoat
Pacific Section SEPM
.... Sarna-Wojcicki improved the 347 Kirschvink, J. L., 1980. The least-squares line and plane and the analysis of palaeomagneticdata: Geophysical...
2001
Paleomagnetism of the Fernando Formation (Pliocene-Pleistocene), Ventura Basin, California
Joseph C. Liddicoat
Pacific Section SEPM
... of the Ventura Basin records reverse paleomagnetic polarity. The declination at two localities records a clockwise rotation of at least 15°. At a third locality...
2001
Magnetic Stratigraphy and Tectonic Rotation of the Upper Middle Eocene Cowlitz and Hamlet Formations, Western Oregon and Washington
Donald R. Prothero, Elizabeth Nesbitt, Alan R. Niem, Derik Kleibacker
Pacific Section SEPM
...-domain or pseudo-single-domain grains (Fig. 5). The mean directions for each site were estimated using the least squares method of Kirschvink (1980...
2001
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
Basin Analysis by Model Simulation: Effects of Geologic Parameters on 1-D and 2-D Fluid Flow Systems with Application to an Oil Field
K. Nakayama , I. Lerche
GCAGS Transactions
..." process, which provides results consistent with the observed values--at least for the present day. A one-dimensional layer-cake geometry is set up...
1987
Induced Seismicity Near Fox Creek, Alberta: Interpretation of Source Mechanisms
Hongliang Zhang, David W. Eaton
Unconventional Resources Technology Conference (URTEC)
... . The least-squares solution to this overdetermined problem is given by: ˆ m (GT G)1 GT dobs . (4) Dataset The study area as shown in Figure 1...
2018
Spatial Characterization of Organic Matter Maturity by Raman Microscope Mapping
Elizabeth Krukowski, James Howard
Unconventional Resources Technology Conference (URTEC)
...-organic phases were identified with peak-match algorithms that used an in-house mineral database. Mineral maps were compiled with a Classical Least...
2018
Geologic Significance of a Geothermal Gradient Curve
Walter B. Lang
AAPG Bulletin
.... Van Orstrand for the well-temperature data and to H. C. Spicer for his computation by the method of least squares of smoothed reciprocal gradients...
1937
Parameters Controlling Hydrocarbon Distribution at Tatum's Camp Field, Lamar County, Mississippi
Phillip R. Jackson
GCAGS Transactions
... of Midway Salt Dome. End_Page 320------------------------ Normal compaction trends were established by applying a least-squares, "best-fit" line...
1990
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
Enhancing Fault Interpretation Through Broadband Processing and Diffraction Imaging: The First and Successful Experience from Madura Offshore Area
Pongga Wardaya, Rino Saputra, Syaeful Amin
Indonesian Petroleum Association
... is then used for removing the ghost reflection from the data via a least squares inversion scheme. Both shot and receiver deghosting are applied in this study...
2018
X-Ray Fluorescence and Laser Induced Breakdown Spectroscopy for Advanced Rock Elemental Analysis
Heyleem Han, Son Dang, Juan C. Acosta, Jing Fu, Carl Sondergeld, Chandra Rai
Unconventional Resources Technology Conference (URTEC)
... (400-780nm) to infrared (780-960nm). Using a partial least square regression (PLS) and signal normalization, an inversion method was developed for rock...
2019
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
Paleomagnetic age for Zn-Pb mineralization at Robb Lake, northeastern British Columbia
M. T. Smethurst, D. F. Sangster,, D. T. A. Symons, M. T. Lewchuk
CSPG Bulletin
.... Geological Survey of Canada Map 1232A, scale 1:253,440. Kirschvink, J.L. 1980. The least-squares line and plane and the analysis of palaeomagnetic data...
1999
Late Cretaceous Chemical Remagnetization of the Paleozoic Carbonates from the Undeformed Foreland of the Western Canadian Cordillera
Philippe Robion, Jean Luc Faure, Rudy Swennen
AAPG Special Volumes
..., and magnetite authigenesis in the Vocontian trough, SE France: Journal of Geophysical Research, v. 105, no. B1, p. 851868.Kirschvink, J. L., 1980, The least...
2004
Hydrology and Permeability Testing in the Fort Union: Case Study of the H-Wellfield, Highland Uranium Project, Wyoming
Bonnie Percy
Wyoming Geological Association
... to graphically analyze the data was AquiferTest, which was developed by Waterloo Hydrogeologic, Inc. Automatic data fitting using least squares...
1999
Thermochronology and Tectonics of the Bird's Head Region, Irian Jaya: Apatite Fission Track Constraints
Edy Sutriyono, Paul B. O'Sullivan, Kevin C. Hill
Indonesian Petroleum Association
..., suggesting the rocks have experienced maximum paleotemperature <110°C since deposition. Furthermore, a "least-squares" estimate of the maximum...
1997
Effect of Proppant Design on Production Decline of Shale Wells
Alex Yang, Ryan Carbrey, Artem Abramov, Alexandre Ramos-Peon
Unconventional Resources Technology Conference (URTEC)
... does not appear to exist for brown sand wells. The dataset looks homoscedastic, implying that an Ordinary Least Squares regression might be slightly...
2019
A Methodology for Unstructured Damped Stress Inversion of Microseismic Focal Mechanisms
Bing Q. Li, Jing Du
Unconventional Resources Technology Conference (URTEC)
... The damped stress inversion method proposed by Hardebeck and Michael (2006) is expressed as the following least squares problem. Note that bold terms...
2019
Effect of Texture on the Distribution of Oil in the Athabasca Oil Sands, Alberta, Canada
Maurice A. Carrigy
Journal of Sedimentary Research (SEPM)
..., the constants of which have been established in accordance with the principle of least squares as Y = A + BX1 + CX2. The multiple regression analysis can...
1962
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
Late Maastrichtian paleovalley systems in west-central Alberta: Mapping the Battle Formation in the subsurface
Benjamin Hathway
CSPG Bulletin
... as control points to generate an isopach map for the Battle Formation (Fig. 5) using the ‘highly connected features (least squares)’ option with a 1000 × 1000...
2011
Investigation of Time-series Clustering to Forecast Wells with a Short Producing Life
Reza Khaksarfard, S. Hamed Tabatabaie, Louis Mattar
Unconventional Resources Technology Conference (URTEC)
..., subject-matter expertise and judgment. URTeC 992 3 In this work, acceptable fits are found as follows: i. The least squares error method is applied...
2019