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The AAPG/Datapages Combined Publications Database
Showing 1,682 Results. Searched 200,635 documents.
Slope estimation of locally coherent events by polarization analysis of multi-component seismic data: Application to stereotomography for sparse node acquisition
Xiaole Zhou, Alessandra Ribodetti, Stephane Operto
International Meeting for Applied Geoscience and Energy (IMAGE)
... (here, source slope ps,ns,r ) and reconstruct a sole parameter class, namely wave speeds. Accordingly, velocity model m is updated by least-squares...
2024
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
Ages and SR isotope systematics of Archean basementrocks from the south^central Beartooth Mountains
Carla W. Montgomery, Bruce A. Gray
Rocky Mountain Association of Geologists
...: Montana Bureau of Mines and Geology Special Publication 84, p. 45-56. York, D., 1969, Least squares fitting of a straight line with correlated errors: Earth...
1989
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
Revealing the subsalt in Garden Banks with a sparsely-shot TPS OBN and FWI
Michael Merritt, Guido Baeten, Vishram Rambaran, Karen Godfrey, Kevin Bianchini, Tara Brothers, Frederic Chelminski, Alex Hao, Huawei Gao, Yingxue Su, Zhiyuan Wei
International Meeting for Applied Geoscience and Energy (IMAGE)
.... This extensive coverage ensures sufficient illumination for the subsalt area, as well as reaching down to the basement at a depth of at least 14 km...
2024
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
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
Applying Integrated Workflow of Pressure and Rate Transient Analysis in Early Life of Deepwater Gas Condensate Field
Rinenggo Nugroho, Yan Pan, Antonius D. Arinto, Komaruddin E.P, Robikhun
Indonesian Petroleum Association
... Oct 2002. Schroeter, T., Hollaender, F., Gringarten, A.C., “Deconvolution of Well Test Data as a Nonlinear Total Least-Squares Problem”, SPE 71574...
2018
Quantitative Modeling of the Dynamic Evolution of Salt Structures
Kenneth Petersen, Ian Lerche
GCAGS Transactions
... minimum. Unfortunately, there does not exist any procedure which can automatically search and find a global least squares best fit to observations...
1992
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
Estimation of Total Organic Carbon (TOC) Content of Shale from AVO Inversion: A New Crossplot Approach Based on Zoeppritz Equations
Un Young Lim, Richard Gibson Jr., Nurul Kabir
Unconventional Resources Technology Conference (URTEC)
... with the assumption that the model parameters of the overlying limestone are known. In this paper, we apply a least-squares approach to AVO...
2019
Time-Lapse Seismic Monitoring of Individual Hydraulic Frac Stages Using a Downhole Distributed Acoustic Sensing Array
Gary Binder, Aleksei Titov, Diana Tamayo, James Simmons, Ali Tura, Grant Byerley, David Monk
Unconventional Resources Technology Conference (URTEC)
...ed above. In the future and with less noisy data, a least squares inversion of the time shifts could be performed to estimate the model paramete...
2019
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
Workflow for Nonlinear AVO Inversion to Estimate Seismic Anisotropy and Geomechanical Properties of Shale
Un Young Lim, Richard L. Gibson Jr., Nurul Kabir
Unconventional Resources Technology Conference (URTEC)
... a least-squares approach to AVO inversions with the parameterization. We consider the inverse problem as the minimization of a residual error function E...
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
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
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
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