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Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-589
... ABSTRACT We present a hybrid solution strategy for the numerical solution of the two-dimensional (2D) partial differential equations of Green-Nagdhi (GN), which simulates fully nonlinear, weakly dispersive free surface waves. We re-write the standard form of the equations by splitting...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-631
..., however, restricted by when the free surface breaks or overturns. numerical simulation velocity potential nonlinear potential flow theory wave amplitude progressive wave artificial intelligence free surface greave boundary condition reservoir simulation solver upstream oil & gas...
Proceedings Papers

Paper presented at the The Eighth ISOPE Pacific/Asia Offshore Mechanics Symposium, November 10–14, 2008
Paper Number: ISOPE-P-08-045
... ABSTRACT: To study the nonlinear wave interaction with large submerged, rectangular breakwaters, the writers developed a fully nonlinear numerical wave tank, which is based on the mixed Eulerian-Lagrangian (MEL) formulation. The desingularized boundary element method (DBIEM) is adopted here...
Proceedings Papers

Paper presented at the The Fourteenth International Offshore and Polar Engineering Conference, May 23–28, 2004
Paper Number: ISOPE-I-04-317
... ABSTRACT A fully nonlinear time domain 2D Numerical Wave Tank (NWT) is developed base on the potential theory, MEL/material-node time marching approach, and boundary element method (BEM). A robust and stable 4th-order Runge-Kutta full-updated time integration scheme is used with regriding...
Proceedings Papers

Paper presented at the The Thirteenth International Offshore and Polar Engineering Conference, May 25–30, 2003
Paper Number: ISOPE-I-03-164
... ABSTRACT In applying vacuum consolidation method using horizontal drain to dredged and reclaimed soft ground, nonlinear finite consolidation phenomenon takes place. In this paper, Governing equation was modified to consider these phenomenon and nonlinear material function(effective stress-void...
Proceedings Papers

Paper presented at the The Twelfth International Offshore and Polar Engineering Conference, May 26–31, 2002
Paper Number: ISOPE-I-02-295
... ABSTRACT This paper shows some numerical results obtained at DINMA on the fully nonlinear interaction of regular waves with four bottom-mounted circular cylinders [D'Este et al. 2001]. The phenomenon of interest is the so-called near trapping, i.e. the large magnification of the amplitude...
Proceedings Papers

Paper presented at the The Twelfth International Offshore and Polar Engineering Conference, May 26–31, 2002
Paper Number: ISOPE-I-02-294
... it has become customary to conduct a model test for the nonlinear responses of design structures in wave tank. The experimental works for measuring the 2"d-order system characteristics LTF and QTF for the responses are rare, while experimental justifications of complex theories of QTF are essential...
Proceedings Papers

Paper presented at the The Third International Offshore and Polar Engineering Conference, June 6–11, 1993
Paper Number: ISOPE-I-93-241
... ABSTRACT: A third order oscillatory perturbation expansion for sums of interacting long crested Stokes waves is used to represent the waves affecting a vertical truncated circular cylinder. The wave model accounts in part for various nonlinear wave properties such as higher wave crests...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 7–9, 1984
Paper Number: OTC-4812-MS
...OTe 4812 Application of Nonlinear Digital Filters to Modeling Low- Frequency, Nonlinear Drift Oscillations of Moored Vessels in Random Seas by T. Koh, E.J. Powers, and RW. Miksad, U. of Texas, and F.J. Fischer, Shell Development Co. Copyright 1984 Offshore Technology Conference This pape(wiis...
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Convergence history of the Picard <b>nonlinear</b> solver for the <b>nonlinear</b> method...
Published: 26 October 2021
Fig. 3 Convergence history of the Picard nonlinear solver for the nonlinear methods on the (left) randomly perturbed 8   ×   8 and (right) 16   ×   16 quadrilateral meshes. More
Images
Convergence history of the Picard <b>nonlinear</b> solver for the <b>nonlinear</b> method...
Published: 26 October 2021
Fig. 12 Convergence history of the Picard nonlinear solver for the nonlinear methods on the (left) quadrilateral mesh and (right) triangular mesh at the last refinement level. More
Images
Convergence history of the Picard <b>nonlinear</b> solver for the <b>nonlinear</b> method...
Published: 26 October 2021
Fig. 16 Convergence history of the Picard nonlinear solver for the nonlinear methods for (left) k 2 y = 10 3 and (right) k 2 y = 10 5 at the last refinement level. More
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3590593
... parameters of carbonate reservoirs. To solve these problems, a new elastic-impedance-based nonlinear simultaneous inversion method under the framework of Bayesian theory is first proposed. It integrates the differential effective medium model of multiple-porosity rock, Gasmann equation, AVO theory, Bayesian...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3586923
... learning well logging applied geoscience nonlinear volumetric solver coefficient matrix weight percentage structural geology organic matter workflow evolutionary algorithm artificial intelligence upstream oil &amp; gas optimization exploration geophysicist 10 kerogen multimineral analysis...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3579970
Journal Articles
Journal: SPE Journal
SPE J. (2021)
Paper Number: SPE-206749-PA
Published: 26 October 2021
...Fig. 3 Convergence history of the Picard nonlinear solver for the nonlinear methods on the (left) randomly perturbed 8   ×   8 and (right) 16   ×   16 quadrilateral meshes. ...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, October 26, 2021
Paper Number: SPE-203987-MS
... is accordingly computed. Fully Implicit Scheme is used for time discretization. We study several challenging multi-phase and compositional model cases with explicit fractures. The test results demonstrate that significant solution locality of variables exist on timestep and iteration levels. A nonlinear...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 12–14, 2021
Paper Number: SPE-205802-MS
... their linear mappings to suggest that NPHI and RHOBR are the most significant logs among the set. On the contrary, the RF model uses its nonlinear mapping capability to suggest that GR is the most significant while the rest are equally significant but with lower degrees. We found that the log influences...
Journal Articles
Journal: SPE Journal
SPE J. 26 (04): 1964–1979.
Paper Number: SPE-205366-PA
Published: 11 August 2021
...). Thus, it is important to consider multiobjective robust production optimization with nonlinear constraints and when geological uncertainties are incorporated. The three objectives considered in this paper are; to maximize the average life-cycle NPV, to maximize the average short-term NPV...
Journal Articles
Journal: SPE Journal
SPE J. 26 (04): 1837–1857.
Paper Number: SPE-203980-PA
Published: 11 August 2021
... such as time-varying well bottomhole pressures (BHPs). However, when nonlinear output constraints (e.g., maximum well/field water production rate or minimum well/field oil rate) are specified, the problem is more challenging because well rates as a function of time are required. In this work, we develop...

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