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The AAPG/Datapages Combined Publications Database
Showing 5,195 Results. Searched 200,616 documents.
Approximate Geothermal Gradients in Niger Delta Sedimentary Basin
Silas O. Nwachukwu
AAPG Bulletin
... empirically seems to show an inverse relation with depth to the basement. The geothermal gradient map also may be utilized as an exploration tool...
1976
Abstract: Point Receiver Acquisition and Processing for Arctic Near Surface Challenges; #90171 (2013)
C. Strobbia, A.Glushchenko, A. Laake, P.L.Vermeer, S. Papworth, and Y. Ji
Search and Discovery.com
... has a low velocity (200m/s to 400m/s) and strong inverse dispersion, peak energy between 10 and 20 Hz, and a short wavelength (down to 10m at 20Hz...
2013
Abstract: Modified Euclids Blind Deconvolution Via Sparsity Optimization on a Sphere; #90187 (2014)
Nasser Kazemi and Mauricio D. Sacchi
Search and Discovery.com
... of an unknown signal of interest and a source signature. In general, the unknown signal or image can be estimated via inverse methods when the source signature...
2014
Abstract: Velocity Model Building with Weighted Linearized Inversion A VSP Data Case Study; #90187 (2014)
Mingyu Zhang, Richard Kuzmiski, and Zhengsheng Yao
Search and Discovery.com
... for receiver gather at 274 m depth Basic inverse theory Given observed data, with a first arrival traveltime, our problem is to estimate an earth...
2014
Abstract: Two-dimensional Joint Inversion of ZTEM and MT Plane-Wave EM Data; #90224 (2015)
Philip E. Wannamaker and Jean M. Legault
Search and Discovery.com
... for uranium exploration: 23 International Geophysical Conference and Exhibition, ASEG, Extended Abstracts, 4p. Tarantola, A., 1987, Inverse problem theory...
2015
Abstract: Acquiring Low Frequencies : Sweeps, Sensors, Sampling and Stories; #90224 (2015)
Olivier Winter, Anna Leslie, and Forest Lin
Search and Discovery.com
.... A small phase-lag quickly results in large time-shifts which may jeopardize interpretation. Applying an inverse sensor response prior...
2015
Serial Cross-Section Trishear Modeling: Reconstructing 3-D Kinematic Evolution of the Perdido Fold Belt; #30313 (2014)
Dian He and John Paul Brandenburg
Search and Discovery.com
... Quantitative model (forward & inverse modeling) Constant layer thickness Variation of layer thickness Kink hinges Curved hinges Planar...
2014
Stratigraphic Variability of the Woodford Shale across Oklahoma; #80417 (2014)
Brenton J. McCullough, Roger M. Slatt
Search and Discovery.com
... group). This idea is not necessarily new, as the same phenomena was observed by Amsden (1975) in the Anadarko Basin, in which he attributed an inverse...
2014
Simultaneous Joint Inversion of Seismic and Gravity Data for Long Offset Pre-Stack Depth Migration in Northern Oman, #41569 (2015).
D. Colombo, M. Mantovani, M. De Stefano, D. Garrad, Hussain Al Lawati
Search and Discovery.com
... residuals for the improvement of seismic images in depth domain. Formulation of the Joint Inverse Problem A brief description of the formulation...
2015
Subsurface-Driven Completion and Well-Design Changes to Maximize Value in the Marcellus; #41634(2015)
Ben Stephenson, Babak Nesheli, Karan Christopher, Abhijit Mookerjee, David Rampton, Nina Teff
Search and Discovery.com
... the drivers, then some degree of normalization is required. In the Marcellus, lateral length and pressure were accounted for using an inverse productivity...
2015
Deep-Marine to Shelf-Margin Deltaic Sedimentation, Silurian Succession, Saudi Arabia; #51187 (2015)
Osama M. Soliman, Ammar Y. Balilah
Search and Discovery.com
... and stratification. Distal hyperpycnites are thin- to medium-bedded, centimeter- to decimeter-scale, and display well-developed inverse to normal grading...
2015
Petrophysical Interpretation of Electromagnetic Induction and Dielectric Dispersion Logs in Bakken Petroleum System; #42155 (2017)
Pratiksha Tathed, Yifu Han, Siddharth Misra
Search and Discovery.com
... Aster, R., B. Borchers, and C. Thurber, 2012, Parameter Estimation and Inverse Problems (2nd edition): Elsevier, 376p. Han, Y., S. Misra, and G...
2017
Mexico's Productive Plays - Past, Present and Future?; #11094 (2018)
John Hattner
Search and Discovery.com
... D A B C D Salt Detachment Basement Inverse Faulting Smooth Folding Domes and Salt Detachments Monterrey 32 Hydrocarbon Reserves of Mexico, PEMEX, Explo...
2018
Deep Water Aptian Turbidite System in Punta Del Este Basin, A New Play Offshore Uruguay; #11266 (2019)
Bruno Conti, Santiago Ferro, Juan Tomasini, Pablo Gristo
Search and Discovery.com
... with Aptian source rock Inverse polarity with respect to seabed Abrupt increase in seismic amplitude (bright spot) AVO anomalies associated with the fan...
2019
Major ion chemistry and identification of hydrogeochemical processes of ground water in a part of Kancheepuram district, Tamil Nadu, India
E. Lakshmanan, R. Kannan, M. Senthil Kumar
Environmental Geosciences (DEG)
... hydrogeochemical processes were verified and quantified using hydrogeochemical inverse mass-balance modeling (net geochemical reactions along a flow path...
2003
Middle Miocene Paleogeography, Santa Cruz and Santa Rosa Islands
David G. Howell, Hugh McLean
Pacific Section of AAPG
... in areas I and II where they resemble the bed form of Walker’s (1975) “inverse-to-normally graded model.” He, however, places beds of this character...
1976
Proglacial Eolian Environment
Gail M. Ashley
Special Publications of SEPM
...). the troughs. 1 cm thick) Ripple migration results in inverse as coarse grains migrate over fine (Fig. Interbeds of coarse sediment with significantly...
1985
Reservoir Characterisation Study: Inter Well Reservoir Property Prediction and Mapping by Petrophysics Data and Seismic Data Integration
Robi Junipa, Michel Bee
Indonesian Petroleum Association
... to interval velocities using Dix equation. There are several interpolation methods in velocity model calculation including inverse distance, delaunay...
2010
No large bias within species between the reconstructed areas of complete and fragmented fossil leaves
Eric R. Hagen, Dana L. Royer, Ryan A. Moye, Kirk R. Johnson
PALAIOS
... and biogeographic patterns. In extant dicotyledonous angiosperms, leaf area generally scales with the inverse of second-order vein density...
2019
Real-time Estimation of Hydraulic Fracture Characteristics from Production Data
Mohammadali Tarrahi, Sergio Gonzales, Eduardo Gildin
Unconventional Resources Technology Conference (URTEC)
.... In this study, we propose to employ dynamic production data as a real-time monitoring tool to characterize hydraulic fractures. A stochastic inverse problem...
2014
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)
... S is generally invertible and its inverse is given by Nns,r s=1 ns,r =1 Szz Szx S= (1) where Tn∗ and p∗ s,r are the observed two-way traveltime...
2024
A factorization-based, tile low-rank parametrization for 3D multidimensional deconvolution
Fuqiang Chen, Matteo Ravasi, David Keyes
International Meeting for Applied Geoscience and Energy (IMAGE)
... of Science & Technology SUMMARY Multidimensional deconvolution (MDD) is a notoriously illposed inverse problem. A factorization-based, symmetric lowrank...
2024
Inverse Stratigraphic Modeling Using Genetic Algorithms
S. Bornholdt, U. Nordlund, H. Westphal
Special Publications of SEPM
...Inverse Stratigraphic Modeling Using Genetic Algorithms S. Bornholdt, U. Nordlund, H. Westphal Copyright © 2012, Society for Sedimentary Geology...
1999
Microseismicity Analysis for HFTS Pad and Correlation With Completion Parameters
Debotyam Maity
Unconventional Resources Technology Conference (URTEC)
... correlation between higher b-values and higher crack densities (Wang et al., 2000). The same study also highlights an inverse correlation with relative size...
2018
Stratigraphic Patterns in Carbonate Source-Rock Distribution: Second-Order to Fourth-Order Control and Sediment Flux
F.S.P. Van Buchem, A.Y. Huc, Bernard Pradier, Marco M. Stefani
Special Publications of SEPM
... and other mineral fractions (clays, silts) was studied. In several examples, an inverse linear relationship was found between the carbonate fraction...
2005