Application of Artificial Intelligence in Hydrogeology to Solve Water Related Issues – Case StudiesFfrom South Africa and Malawi

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Experience with Surface and Downhole Vector Wavefield Recording in Central Sumatra

Eddy Murhantoro, Jeff Wright

Indonesian Petroleum Association

... waves generated by conversion at reflection from a P-wave source, demonstrated the potential of the Vp/Vs ratio in direct detection of hydrocarbons...

Towards a New Era

Halfdan Carstens

GEO ExPro Magazine

... already used on more than a hundred surveys worldwide. Successful testing Since its introduction, seabed logging has been shown time and again to improve...

Dynamic Interpretation of Organic-Matter Maturation and Evolution of Oil-Generative Window: DISCUSSION

Miodrag M. Roksandic

AAPG Bulletin

... Price's equations relating Ro to temperature for rocks with Type I organic matter; temperature factor 2n is used to compute TTI values. Note that at time 0...

The Three Elements of Structural Geology, #41849 (2017).

Terry Engelder

Search and Discovery.com

... differential equations are time consuming to write so a convention called Einstein summation is used. To illustrate Einstein summation lets consider...

Abstract: Estimation of Reservoir Parameters of Hydrocarbon Bearing Shaley Sand Reservoir Using Well Log Data, by Shashi Ranjan Sharma; #90081 (2008)

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Microseismic Event Location Using Multiple Arrivals: Demonstration of Uncertainty Reduction

Zhishuai Zhang, James W. Rector, Michael J. Nava

Unconventional Resources Technology Conference (URTEC)

... wave can often be the first arrival rather than the direct arrival. Finite difference modeling was used to validate the character of head waves...

Combined P and S Waves Survey for Hydrocarbon Exploration

Basuki Puspoputro

Indonesian Petroleum Association

..., K., and Mesdag, C.S., 1982, The potential of shear-wave observations: Geop. Prosp., 30, p. 413-431. Hornby, E.B., and Murphy III, W.F., 1987, Vp/Vs...

Developing Predictive Models for Shale Reservoirs

Stephen A. Holditch, Carlos A. Dengo

Unconventional Resources Technology Conference (URTEC)

... be predictive? Most reservoir models are limited by the geologic data available for input and the computational capacity of the computers that are used to solve...

A Physics-Guided Deep Learning Predictive Model for Robust Production Forecasting and Diagnostics in Unconventional Wells

Syamil Mohd Razak, Jodel Cornelio, Young Cho, Hui-Hai Liu, Ravimadhav Vaidya, Behnam Jafarpour

Unconventional Resources Technology Conference (URTEC)

..., the predictive model creates a shared representation that can also be used to forecast production behavior, estimate reserves, and as a diagnostic tool...

Abstract: Mapping Prospective Channel Sands Using Full- Wave Seismic Interpretation ; #90055 (2006).

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Direct Reservoir Imaging: The Need for Innovative Advancement in Exploration and Production, #41510 (2014).

Sofia Khan

Search and Discovery.com

.... Understanding the Drag Wave™ behavior can be used to identify the prospective subsurface reservoir potential. During the propagation of the seismic wave...

Application of Amplitude, Frequency, and Other Attributes to Stratigraphic and Hydrocarbon Determination: Section 2. Application of Seismic Reflection Configuration to Stratigraphic Interpretation

M. T. Taner, R. E. Sheriff

AAPG Special Volumes

... becomes stored as potential energy. As a particle moves in response to the passage of a seismic wave, the energy transfers back and forth between kinetic...

Abstract: Numerical Model of Microseismicity in Hydrofracturing: Our Prediction for Seismic Moment Tensors; #90172 (2014)

A. Guest, Tony Settari

Search and Discovery.com

... understanding of the physical processes occurring at depth. Numerical modeling is a cost-effective tool that has a high potential to improve our...

Abstract: 3D Time Domain Full Waveform Inversion Based on Multiscale Adapted Variable Grid Method Case Study Majunga Basin East African Coast; #91204 (2023)

Mukiibi Ssewannyaga Ivan, Jian-Ping Huang, Zi-Ying Wang, Jidong Yang, Jin Keji

Search and Discovery.com

... for acoustic and elastic wave equations, Bulletin of the Seismological Society of America, 67, 1529–1540. Coffin, M.F. and Rabinowitz, P.D., 1988...

-- no title --

Ehsan, Athar

Search and Discovery.com

... #NS33A-0026 Clayton, R. and Engquist, B., 1977. Absorbing boundary conditions for acoustic and elastic wave equations, Bulletin of the Seismological...

Standard Interpretation: Part 4. Wireline Methods

Mark Alberty

AAPG Special Volumes

... methods is to solve these two equations simultaneously in a graphical manner. Service companies provides their customers with chartbooks containing...

Water and Oil Relative Permeability of Middle Bakken Formation: Experiments and Numerical Modeling

Younki Cho, Ilkay Uzun, Erdinc Eker, Xiaolong Yin, Hossein Kazemi

Unconventional Resources Technology Conference (URTEC)

... difference numerical methods are used (Appendix A). The auxiliary relative permeability and capillary pressure equations used in the model are provided...

Fluid Typing and Maturity Index from Logs: A New Framework for Petrophysical Evaluation of Organic-rich Mudrock

Laurent Mosse, Paul Ryan Craddock, Erik Rylander, Alberto Ortiz, Carolina Bernhardt

Unconventional Resources Technology Conference (URTEC)

..., 𝜒. If these parameters are fixed, then it is clear that the six equations Equation 2 to Equation 7 provide theoretically enough information to solve for the five...

Normalized Measures of Exploration Performance in Terms of Basin Sediment Volumes

L. A. Rapoport, G. C. Grender

AAPG Bulletin

... discovery functions, that is, the relationships between the normalized measures of cumulative exploratory drilling and discoveries. Normalized rather...

ABSTRACT: Sequence Stratigraphic Analyses of the Upper Cretaceous Deposits, Rio Grande Embayment, Using Well Logs, Cores and Outcrops

Salah E. Mahmoud, Emile A. Pessagno, Jr. and Janok P. Bhattacharya

GCAGS Transactions

.... Mahmoud, Emile A. Pessagno, Jr. and Janok P. Bhattacharya 1999 Vol. 49 (1999), The present study is an attempt to solve problems of stratigraphic...

Structural Model of Large Part of the Earth

Wallis S. Hamilton

AAPG Bulletin

... and mantle must obey the same equations as the prototype does, and the independent variables in these equations must have the same values in model...

3-D Anisotropic Damage Mechanics for Modeling Interaction Between Hydraulic and Natural Fracture Planes in a Layered Rock … Application to Eagle Ford and Wolfcamp

Yamina Aimene, Chad Hammerquist, John A. Nairn, Ahmed Ouenes

Unconventional Resources Technology Conference (URTEC)

... to the grid or to the particles. At each time step, particle information is interpolated to the grid, which is used as a tool space to solve the equations...

The gas isotope interpretation tool: A novel method to better predict production decline

Li Gao, Sheng Wu, Andrei Deev, Robert Olson, Fausto Mosca, Shuichang Zhang, Yunyan Ni, Qi Qu, Randy LaFollette, Guanyi Chen, and Yongchun Tang

AAPG Bulletin

... equations (exponential, hyperbolic, and harmonic), which are still widely used (Arps, 1945, 1956). Later studies kept adding new insights...

Exploiting a Priori Model Reduction Methods to Accelerate Seismic Simulations, #42038 (2017).

David Modesto, Josep De La Puente

Search and Discovery.com

... required particular solution in a real-time framework. A simple 2D problem in frequency domain is used to exemplify the potential of this methodology...