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The AAPG/Datapages Combined Publications Database
Showing 1,463 Results. Searched 196,121 documents.
Dating penecontemporaneous dolomitization in carbonate reservoirs: Paleomagnetic, petrographic, and geochemical constraints
M. T. Cioppa, I. S. Al-Aasm, D. T. A. Symons, K. P. Gillen
AAPG Bulletin
...: Journal of Geophysical Research, v. 94, p. 13681-13703. Kirschvink, J. L., 1980, The least-squares line and plane and the analysis of paleomagnetic data...
2003
Abstract: Uncertainty Space for Microseismic Event Locations using a Double Difference Algorithm; #90174 (2014)
Timur Mukhtarov
Search and Discovery.com
... and Least Squares Problems. ACM Transactions on Mathematical Software, 8(2), 195-209. Waldhauser, F. and Ellsworth, W.L., 2000, A Double-Difference...
2014
Abstract: Violet Grove Time-Lapse Data Revisited: A Surface-Consistent Matching Filters Application; #90187 (2014)
Mahdi H. Almutlaq and Gary F. Margrave
Search and Discovery.com
... baseline and monitor surveys. FFT the above result , then for every frequency, solve the surface-consistent system using least-squares method...
2014
Abstract: Seismic to Reservoir Simulation: A Cooperative Inversion; #90187 (2014)
Larry Lines and Amir Shamsa
Search and Discovery.com
... (to within acceptable error levels), we use optimization methods. This is often done by some form of least-squares AAPG Search and Discovery Article #90187...
2014
Abstracts: Magnetostratigraphy Dating and Correlation of the Lower Doig and Upper Montney Formations (Lower Triassic), Northeastern British Columbia, Western Canada; #90173 (2015)
Edwin I. Egbobawaye, Vadim A. Kravchinsky, John-Paul Zonneveld, and Murray K. Gingras
Search and Discovery.com
...: linkage to stage boundary definitions. Geological Society, London, Special Publications, 334, 61–102. Kirschvink, J.L., 1980. The least-squares line...
2015
Abstracts: Weighing in on the Seismic Scale: The use of Seismic Fault Measurements for Constructing Discrete Fracture Networks in the Horn River Basin; #90173 (2015)
Carl A. Reine and Rory B. Dunphy
Search and Discovery.com
... of the fault lengths and azimuths. The lateral traces of the discontinuities are first modelled in a least-squares fashion as linear events. The points...
2015
Abstracts: Application of Shear-wave Splitting Analysis to Fracture Characterization for a Shaunavon Tight Oil Reservoir; #90173 (2015)
N. Chaminda Sandanayake and Richard A. Bale
Search and Discovery.com
... are almost identical. Theory and Method The analysis for shear-wave splitting has two key steps. First, a pre-stack least-squares analysis...
2015
Abstract: Seismic Imaging of Imbricate Structures in Mountainous Area: Case Studies; #90211 (2015)
Nanxun Dai, Oz Yilmaz, Weizhong Wang, and Jie Zhang
Search and Discovery.com
.... Then, we perturb the initial model parameters until the difference between the modeled and the observed (actual) traveltimes is minimum in the least...
2015
Abstract: Integrated Geophysical Characterization of the Near-Surface at Priddis, Alberta; #90224 (2015)
J. Helen Isaac, Lei Zhi, Don C. Lawton, and L. R. Bentley
Search and Discovery.com
... program, which runs a smoothness-constrained Gauss-Newton least-squares inversion (Sasaki, 1992; Loke, 2000; GeoTomo, 2013). Forward modelling utilized...
2015
Paleostress and Slip Recovery from Complex Faults Geometry Using Mechanical Interactions: Application to Fracture Prediction, #40439 (2009)
Frantz Maerten and Laurent Maerten
Search and Discovery.com
.../strain estimation: Algorithm AAPG Denver, 2009 (Classical iterative-Poly3D with mechanical interactions) (Least Squares with mechanical interactions...
2009
Non-Equilibrium Source-to-Sink Systems: Controls and Examples, #30308 (2013)
Ole J. Martinsen, Tor Somme
Search and Discovery.com
.... 361-387. Vestøl, O., 2006, Determination of postglacial land uplift in Fennoscandia from leveling, tide-gauges and continuous GPS stations using least...
2013
A Southern North Sea Multi-Survey preSDM using Hybrid Gridded Tomography, #41592 (2015).
Ian Jones, Emma Evans, Darren Judd, Alan Campbell, Steve Elam
Search and Discovery.com
... and offsets is moved about the data. At each position, the slope along the CDP axis and residual curvature across the offset axis is computed (via least...
2015
Violet Grove CO2 Injection Project: Monitoring with Timelapse VSP Surveys; #80440 (2015)
Marcia Couëslan, Don Lawton, Michael Jones
Search and Discovery.com
... as a starting point when the velocity model was inverted for anisotropy. A least squares vector wavefield separation technique and the anisotropic...
2015
Quantitative Characterization of Fracture Frequency Variations Using a Linear Piecewise Regression Analysis and the Akaike Information Criterion; #42147 (2017)
Alex P. O’Hara, Robert D. Jacobi
Search and Discovery.com
.... Jacovi, and H. David Sheets, 2017, Predicting the width and average fracture frequency of damage zones using a partial least squares statistical...
2017
Advances in OBN Technology: Full Azimuth, Long Offset Illumination for Complex Reservoirs, #70290 (2017).
John Smythe
Search and Discovery.com
..., orthorhombic) RTM (TTI, VTI, orthorhombic) Least squares RTM Full waveform inversion • Multi-dimensional interpolation • Azimuthal velocity...
2017
Paleomagnetic Data from Mustique, West Indies, suggest counterclockwise rotation in pre-Late Miocene rocks
Burmester, R.F. Beck, M.E. and Speed, R.C.
Geological Society of Trinidad & Tobago
... in sedimentary rocks, J Geophys. Res. 54,131-167. Kirschvink, J.L., 1980, The least-squares line and plane and the analysis of paleomagnetic data...
1995
Water-Rock Interactions in Sedimentary Basins
Yousif K. Kharaka, Robert W. Hull, William W. Carothers
Special Publications of SEPM
...) and distribution of major cations and anions. The 6D and 6180 values for these waters with the least-squares line drawn through them are shown...
1985
Clay Typing, Mineralogy, Kerogen Content and Kerogen Characterization from DRIFTS Analysis of Cuttings or Core
Michael Herron, MaryEllen Loan, Alyssa Charsky, Susan L. Herron, Andrew E. Pomerantz, Marina Polyakov
Unconventional Resources Technology Conference (URTEC)
... Tmax values. DRIFTS Mineralogy and FTIR The DRIFTS methodology of performing a weighted least squares regression of a sample spectrum on a library...
2014
Mesosoic and Cenozoic Thermal History of Sedimentary Rocks in the Bintuni Basin, Irian Jaya, Indonesia
Paul B. O'Sullivan, Kevin C. Hill, Ijep Saefudin, R. Daniel Kendrick
Indonesian Petroleum Association
... VR data set, which displays the obvious kink at ~2,000m, does not allow a "least-squares" estimate of the maximum paleogeothermal gradient. However...
1995
Resilience of the US Shale Production to the Collapse of Oil & Gas Prices
Philippe A. Charlez, Pierre Delfiner
Unconventional Resources Technology Conference (URTEC)
... is performed by calculating the best decline curve per well using a least squares algorithm. The method achieves an excellent match of production history...
2016
Shale Compaction in the Michigan Basin: Estimates of Former Depth of Burial and Implications for Paleogeothermal Gradients
Raymond Vugrinovich
CSPG Bulletin
... calculated by least squares linear regression of log (dt) and depth. Sonic transit time was determined by using the integrated transit time (ITT) curve...
1988
NMR Wettability Index Measurements on Unconventional Samples
Michael Dick, Dragan Veselinovic, Derrick Green, Aimee Scheffer-Villarreal, Ronald Bonnie, Shaina Kelly, Kathleen Bower
Unconventional Resources Technology Conference (URTEC)
... are then mixed to give a predicted T2 spectrum which is compared (via a least-squares fit) to a T2 spectrum recorded from a sample partially saturated...
2019
Improved TOC and Lithology Prediction for Wolfcamp Shales Using AVO Attribute Analysis
Jaewook Lee, Un Young Lim, David Lumley
Unconventional Resources Technology Conference (URTEC)
...(curvature) terms of the AVO curves depending on the changes in the rock properties. We apply a least-squares curve fitting method to calculate the three...
2020
Stable-Isotopic Composition of a Late Eocene Archaeocete Whale, Basilosaurus cetoides, from Wayne County, Mississippi
Edwin W. Emmer, Dean A. Dunn
GCAGS Transactions
... a least-squares regression line relating oxygen isotope values of cetacean bone phosphate and sea water, based on 18O values of modern cetaceans...
1996
Paleocurrent Trend Analysis of a Delta in the Bjorne Formation (Lower Triassic) of Northwestern Melville Island, Arctic Archipelago
F. P. Agterberg, L. V. Hills, H. P. Trettin
Journal of Sedimentary Research (SEPM)
... degrees2). Trend analysis by the method of least squares is applied to locality aver ges for the combined features. The paleocurrent trends...
1967