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The AAPG/Datapages Combined Publications Database
Showing 3,114 Results. Searched 200,293 documents.
Natural fracture characterization in tight gas sandstones: Integrating mechanics and diagenesis
Jon E. Olson, Stephen E. Laubach, Robert H. Lander
AAPG Bulletin
..., and is the part of the horizontal stress that is not pore pressure dependent. The can be quantified based on plane strain elastic equations as (Prats, 1981...
2009
Electrical and flow properties of highly heterogeneous carbonate rocks
Charlotte Garing, Linda Luquot, Philippe A. Pezard, Philippe Gouze
AAPG Bulletin
... by equations 1 and 3, where r is given by equation 7 and where is obtained by solving equation 8 using here the time domain random walk approach...
2014
Bayesian inversion of tilt data using a machine-learned surrogate model for pressurised fractures
Saeed Salimzadeh, Dane Kasperczyk, Teeratorn Kadeethum
Australian Energy Producers Journal
... solving for a time-dependant process, the solution from previous timestep can be used as prior for the current step. Differential Evolution (DE...
2024
Forward Prediction of Spatial Temperature Variation from 3D Geology Models
H. Gibson, K. Stüwe, R. Seikel, D. FitzGerald, P. Calcagno, D. Argast, P. McInerney, A. Budd
Petroleum Exploration Society of Australia (PESA)
... of the previous solution, making it a very efficient tool to handle 3D heat flow. In further plans we will also consider solving the equations of heat...
2008
Machine learning inversion of time-lapse three-axis borehole gravity data for CO2 monitoring
Taqi Alyousuf, Yaoguo Li, Richard Krahenbuhl
International Meeting for Applied Geoscience and Energy (IMAGE)
...y data and changes in density, that satisfy the governing equations in the fluid flow simulator. We use a the trained neural networks to map the thre...
2022
A power-law fault model for Bayesian network geosteering in complex geology
Hugh Winkler
International Meeting for Applied Geoscience and Energy (IMAGE)
... network technique for solving the geosteering problem. It unrealistically used a normal distribution to model faulting. Maus et al. (2020) described...
2022
Poisson binomial-based random undersampling scheme for near-surface compressive sensing
Sayan Mukherjee, Yunyue Elita
International Meeting for Applied Geoscience and Energy (IMAGE)
... is the desired dense array data of length Nr Nt , S is the sampling matrix of size Ns Nt ⇥ Nr Nt . The system of linear equations depicted in equation 1...
2022
Porosity Mapping Using Seismic Interval Velocities, Natuna L–Structure
D. R. Eyles, J. A. May
Indonesian Petroleum Association
... at this stage to be relatively straightforward to convert this velocity map to a porosity map in the computer with the aid of the equations and maps...
1984
Predicting pressure-dependent velocities for carbonates by linking static and dynamic elastic properties
Xuan Qin, De-hua Han
International Meeting for Applied Geoscience and Energy (IMAGE)
... pressure-dependent velocity reduces to addressing the crack porosity. Solving the crack porosity The strain of porosity ( ∆𝜙 𝜙 ) or relative porosity...
2022
Imaging and fold comparison of mirror reverse time migration vs. interferometric imaging for VSP data
Liwei Cheng, James Simmons, Ali Tura
International Meeting for Applied Geoscience and Energy (IMAGE)
... spacing for solving ray-tracing equations for reflection points. The locations of the reflection points are collected and saved. Next, we use a bin size...
2022
Lithofacies prediction of shale based on broadband spectral inversion
Hongmei Luo, Yiran Xing, Changjiang Wang, Jingtao Zhang, Peijie Yang
International Meeting for Applied Geoscience and Energy (IMAGE)
... sequence and improve the stability of it and the equations are Re S ( f i ) Re W ( f i ) Re R ( f i ) Im W ( f i ) Im R ( f i ) (1...
2022
Process Simulator: A New Training Approach
C. Renard
Indonesian Petroleum Association
... of plant operation prior to initial startup or for refreshing. The process simulator provides a means of solving problems incurred during...
1985
Machine learnings and lessons learned on improvements to Castagnas mudrock, Gardners density, and Fausts velocity estimation
David J. Emery, Marcelo Guarido, Brian Russell, Daniel Trad
International Meeting for Applied Geoscience and Energy (IMAGE)
... as an ensemble method it combines results from a series of decision trees, each solving for the residual error from previous steps with different...
2022
Production and Reservoir Property Determination Using Integrated Pressure Measurement Techniques
W. Douglas Morgan, Manfred J. Wittmann, Bruno J. Deruyck
Indonesian Petroleum Association
... of Source and Green's Functions in Solving Unsteady Flow in Reservoirs". SPEJ October, 1973, 285 - 296. Meunier, D. Wittmann, M.J. and Stewart, G...
1987
Process Safety Challenges of CO2 Sequestration
Clinton Smith
Australian Petroleum Production & Exploration Association (APPEA) Journal
... reaction with bicarbonates: Fe2þ þ CO3 2À ! FeCO3 Or Fe2þ þ 2HCO3 À ! FeðHCO3 Þ2 FeðHCO3 Þ2 ! FeCO3 þ CO2 þ H2 O From these equations we note that water...
2021
Simulation Challenges in Condensate Gas Full Field Model
Dong Chao
Indonesian Petroleum Association
... and creates problems of convergence when solving. A solution using pseudo relative permeability curves in the full field model is demonstrated...
2012
Risk Analysis and Economic Evaluation in Capital Investment Using Simulation Techniques
Hayu Susilo Prabowo, Entang Hadisasmita
Indonesian Petroleum Association
... into a cumulative distribution curve by simple equations (Garb 1988). When the variables have been ordered, studied, and analyzed into distribution...
1990
Monopole slow formation shear head wave Greens function in a LWD borehole acoustic configuration
Tim Geerits, Stefan Schimschal, Anna Swiatek
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the first and second kind, respectively (Abramowitz and Stegun, 1972). The reflection coefficients follow from solving a linear system of equations...
2022
Flowback Analysis of the Abadi Field
Iwan Kurniawan
Indonesian Petroleum Association
... settling velocity of a spherical particle in a quiescent fluid in Stokes flow can be calculated by solving the drag coefficient relationship (Equation 2...
2013
Multicomponent seismic data vector reconstruction via quaternionic matrix factorization
Yonghai Fu, Jianjun Gao, Wenbo Sun, Yandong Wang, Fan Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... expressed by Q require to be recovered from the observed data denoted by Q obs . It can be expressed via the following equations, (7) Q obs = P Q...
2023
Application of Seismic Attributes and Neural Network for Sand Probability Prediction A Case Study in the North Malay Basin
Jianyong Hou, Toshihiro Takahashi, Arata Katoh, Suwit Jaroonsitha, Khun Puvanat Chumsena, Kazuo Nakayama
Geological Society of Malaysia (GSM)
... applied successfully in a variety of scientific and technological fields. It simulates the cognitive processes of the human brain and is suited for solving...
2008
Fault Shadow Issues and Resolution in Model and Real Data
Andrew J. Davidoff, Ika Ratna Novianti
Indonesian Petroleum Association
... and loaded into the Sirius 2D depth imaging system. The depth-interval velocity model was converted to time-RMS using standard Dix equations. The time-RMS...
2002
Seismic deblending with a hard data constraint
Matteo Ravasi
International Meeting for Applied Geoscience and Energy (IMAGE)
... and Davies (2009)) is equivalent to solving the following optimization problem by means of the proximal gradient algorithm (Parikh, 2014): 1 ˜ d = min...
2024
Permeability Prediction Using Projection Pursuit Regression in the Abadi Field
Ricardo Oentoe, Kentaro Hasebe, Masahiko Nomura
Indonesian Petroleum Association
...) as a main contributor was defined. Figure 7 shows the functional form determined for each rock type and the resulting equations. All the functions were...
2016
Memorial: Frank B. Conselman (1910-1989)
Grover E. Murray
AAPG Non-Technical and Memorials
... well acquainted too with matters mathematical, I understand equations, both the simple and quadratical, About binomial theorem I ' m teeming with a lot...
1990