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The AAPG/Datapages Combined Publications Database
Showing 1,463 Results. Searched 196,121 documents.
ReGenerating the Gippsland Basin
J. Firth, K. Zhao, S. Birdus, N. Mudge, J. Zhou
Petroleum Exploration Society of Australia (PESA)
... inversion (FWI) and least-squares Q pre-stack depth migration (LSQPSDM), are essential to stabilize AVO inversion and to improve the understanding...
2018
Comparative Experimental Investigation of Damage Variables for Sedimentary and Geothermal Rock Specimens Based on 3D-DIC
Fatick Nath, Eleazar Cabezudo, Nora Garcia Romero
Unconventional Resources Technology Conference (URTEC)
... least squares and pointwise least squares for displacement field and strain field measurements. Opt. Lasers Eng. 2009, 47, 865– 874. Song, Y. Sungjun...
2024
Settling Velocities of Natural Sand Grains in Air
Bingquan Cui, Paul D. Komar, Jumpei Baba
Journal of Sedimentary Research (SEPM)
... by simple least-squares linear regression of the logs of the values of the measured settling rates, Wm, versus the expected rate ws for a sphere having...
1983
Profiler-Sonobuoy Measurements in Colombia and Venezuela Basins, Caribbean Sea
William J. Ludwig , Robert E. Houtz , John I. Ewing
AAPG Bulletin
... in Figure 3. A plot of sediment-interval velocities versus one-way reflection time in the sediments appears in Figure 4 together with the least-squares...
1975
Compaction Curves
Brewster Baldwin , Crispin O. Butler
AAPG Bulletin
... and Halley (1982) show data with a scatter of some 20% at any given depth. They present a least-squares exponential fit. Their curve (Figure 4, curve S-H...
1985
Geothermal gradient and temperature of hydrogen sulfide-bearing reservoirs, Alabama continental shelf
Seiichi Nagihara, Michael A. Smith
AAPG Bulletin
... line is the linear, least-squares fit to the plot. Depth ranges of the H2S-bearing James and the Norphlet reservoirs are also indicated.For the data...
2005
Circum-Arctic Petroleum Systems Defined Using Biomarkers, Isotopes, and Chemometrics, #30146 (2011)
Kenneth Peters, Scott L. Ramos, John Zumberge
Search and Discovery.com
... to the giant Prudhoe Bay Field. Alternating least squares of concentration data (ALS-C) for Copyright © AAPG. Serial rights given by author. For all other...
2011
A NEW PERSPECTIVE ON THE ZONATION AND CORRELATION OF BARREN STRATA: AN INTEGRATED HEAVY MINERAL AND PALAEOMAGNETIC STUDY OF THE SHERWOOD SANDSTONE GROUP, EAST IRISH SEA BASIN AND SURROUNDING AREAS
M. Manger, P. Turner, D. Ince, J. Pugh and D. Wright
Journal of Petroleum Geology
... and the Continental Shelf of North-West Europe. London, Applied Sciences Publishers, pp. 3-28. KIRSCHVINK, J.L., 1980. The least-squares line and planes...
1999
NW Shelf Digital Atlas A Tool for Regional Exploration
Adam Smith, Huw Edwards, Daryl Gould, Shane Westlake
Indonesian Petroleum Association
... this limitation, a combination of computer and manual interpretation incorporating additional well control was applied in those cases. A least squares...
2007
Correlation and Age of the Upper Jurassic Morrison Formation from Magnetostratigraphic Analysis
M. B. Steiner, S. G. Lucas, E. M. Shoemaker
Rocky Mountain Section (SEPM)
... 1062, p. 90 and 95. Kirschvink, J.L., 1980, The least-squares line and plane and the analysis of paleomagnetic data: Geophys. J., 62, p. 699–718...
1994
Ultrasonic velocity tomography of rock sample
Tian Xie, Jiajia Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
...ps://doi.org/10.1190/segam2020-3428143.1. Qingyang, L., Y. Guo, Q. Cai, F. Meng, G. Qin, and N. Li, 2019, Multi-sources least-squares reverse time migrati...
2023
A Compensated Spectral Natural Gamma Ray* Logging System
C. Kessler, R. Washa, G. S. Yarbro
Indonesian Petroleum Association
... to be detected, which permits additional measurements of formation lithology in open holes and casing thickness in cased wells. The least squares calculation...
1984
MB Field Reservoir Simulation Study
Dodi Hidayat
Indonesian Petroleum Association
... 9. Figure 8. Sidewall Core Analysis Figure 9. Porosity versus Permeability (test) The least-squares regression fit of these data is: where...
1991
The Importance of the Pseudo N-D Logs in Petrophysical Analysis of Well Tembang-8ST4 (A Case Study)
Yana Hendrayana, Bowo Pangarso, Miftahul Firdaus
Indonesian Petroleum Association
... Regression (MLR). MLR allows us to predict an output log from a number of different input logs using a least squares regression routine, which finds...
2013
Anisotropic Multi-Azimuthal Velocity Model Building and Depth Imaging on Tulip 3D Coil Shooting Survey
Michele Buia, Suyang Chen, Olga Zdraveva, Swee Leng Ng, Martin Bayly, Michelle Tham
Indonesian Petroleum Association
...” Grid Tomography to update the model. The Grid Tomography used a damped least-squares solver at progressively finer scale lengths, with a preconditioning...
2011
Application of Fourier Transform Infra-Red Spectroscopy in Determination of Reservoir Properties
John Woods
Indonesian Petroleum Association
... appropriate spectral reprocessing programs were applied which included second derivative and least squares to solve overlap issues for the mineralogy...
2014
Effects of Sea-Level Rise on Deltaic Sedimentation in South-Central Louisiana
John T. Wells
Special Publications of SEPM
... by constructing a non-linear least-squares fit to the data points for each flood year and extracting a value for subaerial land at the mean sea-level...
1987
Study of the Relationship of Sedimentation and Structural Growth Using Trend Analysis
G. P. Myasnikova, V. I. Shpil’man
Petroleum Geology: A Digest of Russian Literature
... by the method of least squares. For calculation of the coefficients we used a program of correlational and regression analysis (Lorreg) compiled a few years...
1973
Extended Abstract: Integrating Time-Lapse 3D (4D) Seismic Data with Reservoir Simulators
John Waggoner
Petroleum Exploration Society of Australia (PESA)
... s as the correlation between the two data sets, much as the difference in production data is quantified as the sum of least squares differences. Both the production...
2000
On the Planimetric Shape of Wreck Bay, Vancouver Is.
J. M. Bremner, P. H. LeBlond
Journal of Sedimentary Research (SEPM)
... coordinates of the plan data points and (X, Y) the coordinates of the chosen log-spiral center. b) By the method of least squares, the best fitting straight...
1974
2-D Geoelectrical Resistivity Survey at a Proposed New Condominium Site of Port Dickson Beach Resort, Negeri Sembilan
Abdul Rahim Samsudin, Umar Hamzah
Geological Society of Malaysia (GSM)
.... Proceedings: Denver, Colo., Environmental and Engineering Geophysical Society, CD-ROM, 22 p. Loke, M.H. and Barker, R.D., 1996, Rapid least-squares...
2008
Verification of Tortuosity Equations: GEOLOGICAL NOTES
S. R. Faris , L. S. Gournay , L. B. Lipson , T. S. Webb
AAPG Bulletin
... distribution data for the samples. The data of columns 7 and 8 were used to obtain a least-squares solution for the relationship between T and F^phgr...
1954
Preprocessing of Logging Data: Part 4. Wireline Methods
J. G. Patchett
AAPG Special Volumes
... is shifted. Also, core data should not be resampled if least squares correlations are planned for calibrating logs or developing porosity and permeability...
1992
Figures: PART 1
Charles L. Angevine, Paul L. Heller, Chris Paola
AAPG Special Volumes
... parameters were estimated using the least-squares technique. End_Page 171------------------------ Fig. 4.8. Minimum and maximum estimates of water...
1990
Trace-Element and Major-Element Stratigraphy in Quaternary Sediments from the Arctic Ocean and Implications for Glacial Termination
A. Aldahan , G. Possnert , R. Scherer , N. Shi , J. Backman , K. Bostrom
Journal of Sedimentary Research (SEPM)
... profile (Figs. 5, 6). The least-squares linear regression correlation coefficients (Tables 2, 3) indicate significantly negative values between...
2000