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The AAPG/Datapages Combined Publications Database
Showing 1,031 Results. Searched 195,502 documents.
Geological Realism of Deep Water Channel Reservoir Models with Intelligent Priors, #41011 (2012)
Temistocles Rojas, Vasily Demyanov, Mike Christie, Dan Arnold
Search and Discovery.com
... practice of modelling sand bodies in deepwater channels is based on deterministic or two-dimensional geological priors, which establish relationships...
2012
Introducing Iterative Ensemble Kalman Smoother to History-Matching Horizontal Coalbed Methane Wells
Rubakumar Sankararaj, Sylvain Ducroux, Dan Kuznetsov, Fengde Zhou
Unconventional Resources Technology Conference (URTEC)
... in the property values. One way to represent the uncertainty is to consider multiple realisations of the geological model. In practice, calibration...
2021
Computer Program to Determine Casing Setting Depth from Seismic Interval Velocity
Faried Rudiono
Indonesian Petroleum Association
... of influx (for gas, 2 ppg) H = Vertical height of influx (ft) In performing this calculation by hand, an iteration approach must be used until...
1990
NMR Quantification of Wettability and Water Uptake in Unconventionals
M.J. Dick, D. Veselinovic, R. J. M. Bonnie, S. Kelly
Unconventional Resources Technology Conference (URTEC)
... the sample and outside the field of view of the magnet. However, in practice NMR signal from outside the field of view of the magnet can be inadvertently...
2021
Application of Capacitance-Resistive Model With Global Optimizer
Aulia Ahmad Naufal, Sabrina Metra, Deva Tasia Ulitha, Julfree Sianturi, Edy Suwito
Indonesian Petroleum Association
... practice to solve CRMT to get the initial value for each 𝜏 inside CRMP. In this capacitance model, the total field injection and production rates...
2021
Using Fluid-Induced Microseismics to Image Permeability
Andrew King, Tobias Müller
Unconventional Resources Technology Conference (URTEC)
.... In practice, however, rock heterogeneity means that local variations in rock elasticity parameters cause variations in stress, which need to be modelled...
2016
Modeling Energized and Foam Fracturing Using the Phase Field Method
Mohamad Jammoul, Mary F. Wheeler
Unconventional Resources Technology Conference (URTEC)
..., gelling agents, and proppants [3]. The common practice is to re-inject it into the geologic formation, yet, large volumes of water re-injection have...
2020
Abstract: Full Waveform Inversion of Crosswell Seismic Data Using Automatic Differentiation; #90187 (2014)
Danping Cao and Wenyuan Liao
Search and Discovery.com
... the model parameters so the gradient of the objective function is needed at each iteration step. The efficiency of the FWI method greatly depends...
2014
Uncertainty, Subjectivity and Bias, #120048 (2012)
Andrew Curtis, Matthew Walker
Search and Discovery.com
... are acceptable in conventional business practice for the power companies who wish to store the CO2 (Polson et al. 2011, 2012). Because these uncertainties stem...
2012
A Robust Workflow to Characterize Uncertainties of a Horizontal Well Pad: Multi-well History Matching for Unconventional Reservoirs
Chuxi Liu, Cheng Chang, Xingchen Wang, Wei Yu, Ning Li, Jijun Miao, Kamy Sepehrnoori
Unconventional Resources Technology Conference (URTEC)
... Monte Carlo (MCMC) sampling, and inversion scheme such as extreme gradient boosting (XGBoost). The iterations stop after maximum iteration number...
2023
Abstracts: Full Waveform Inversion Using One-way Migration and Well Calibration; #90173 (2015)
Gary F. Margrave, Robert J. Ferguson, and Chad M. Hogan
Search and Discovery.com
... model updating in each iteration. Theory and Method The fundamental result that enables FWI was first derived by Lailly (1983) and Tarantola (1984...
2015
Constructing Enhanced Type Wells Using Cluster-Weighted Modeling
Nitinkumar L. Chaudhary, W. John Lee
Unconventional Resources Technology Conference (URTEC)
... of wells used to construct a type well and each individual well’s relative importance. Common industry practice is to average all the ‘analogous...
2017
Quantitative Interpretation in the Bedout Sub-basin: The value of seismic inversion in areas of sub-optimal seismic data quality
M. Kongawoin, A. Pauli, A. Locke, L. Hansen
Petroleum Exploration Society of Australia (PESA)
... (dB down) for each iteration of seismic processing. Spectra is generated over an arbitrary window around Roc-1 and Dorado-1 from Hove to Milne...
2019
Enhancing Consistency Between Geological Modeling and Seismic Pre-Stack Amplitude Inversion With Pseudo-Wells: An Example From the Gendalo Field
David Glenn, Febry Hariyannugraha, Rhys Schneider, Khristina Kirschner, Skip Walden, Steve Smith, Eduardo Berendson, Chris Skelt, Leonard Lisapaly, Robert van Eykenhof, Mark Sams
Indonesian Petroleum Association
... of each iteration of inversion. Seismic inversion using pseudo-wells The workflow started with construction of an initial geological model using...
2005
Modeling the Semivariogram: New Approach, Methods Comparison, and Simulation Study
A. Gribov, K. Krivoruchko, J. M. Ver Hoef
AAPG Special Volumes
...-squares, and likelihood methods. In practice, a true semivariogram is almost never known, and consequently, no method exists to determine it exactly...
2006
Beyond chi-squared: Additional measures of the closeness of a model to data1
Alan G. Jones
Petroleum Exploration Society of Australia (PESA)
... at each iteration. Commonly though the appropriate l for the problem, which is dependent on data quality and data sufficiency, is found using a Hansen...
2019
Gas-In-Place Evaluation by Dynamic Material Balance Accounting for Non-Darcy Effect
Ryuta Narumi, Masahiko Nomura
Indonesian Petroleum Association
... production data used for the analysis. Figure 3 shows one example iteration result for the case without the non-Darcy effect. Without the nonDarcy effect...
2018
ABSTRACT Second Iteration: Re-Assessing CCS Project Risk Using New Data, #90103 (2010)
Ken Hnottavange-Telleena, Robert Finleyb, Ivan Krapacb, Randy Lockeb, Sallie Greenbergb, Scott Marstellerc, Jim Kirkseyc
Search and Discovery.com
...ABSTRACT Second Iteration: Re-Assessing CCS Project Risk Using New Data, #90103 (2010) Ken Hnottavange-Telleena, Robert Finleyb, Ivan Krapacb, Randy...
2010
Abstract: Improved Imaging of a Fold and Thrust Belt Regime, Onshore Trinidad, by Means of the Common Reflection Surface (CRS) Method; #90238 (2015)
Dennis Otto, Philip Schlueter, Terrell Dhanpaul, Samuel Ragbir, Curtis Archie, and Nancy Gallai-Ragobar
Search and Discovery.com
... gathers were calculated and inputted into another iteration of stacking velocity analysis. Thus, the velocity analysis could benefit from the improved...
2015
Key Technologies for Processing of Seismic Data in Gas Cloud Area, Bohai Bay Basin, #42093 (2017).
Xia Tongxing, Ming Jun, Liu Lei, Zhou Xuefeng, Liu Hongxing, Liu Xuetong
Search and Discovery.com
... iteration. Figure 5 shows the velocity slices at depth 120m. As we can see, model details increase with iterations. Low-velocity area of the final...
2017
Applications of Kirchhoff Least-Squares Migration: Towards Reservoir Imaging; #42183 (2018)
Francesco Perrone, Graham Roberts, Lorenzo Casasanta, Andrew Ratcliffe, Arash Jafargandomi, Karen Purcell
Search and Discovery.com
..., the computational cost reduces to approximately a single iteration of an iterative scheme. In recent years there has been increased interest in the field of least...
2018
3D seismic survey design by maximizing the spectral gap
Yijun Zhang, Ziyi Yin, Oscar López, Ali Siahkoohi, Mathias Louboutin, Felix J. Herrmann
International Meeting for Applied Geoscience and Energy (IMAGE)
... sampled seismic data is expensive in practice. Thanks to recent advancements in compressive sensing, seismic data can be randomly sampled along spatial...
2023
Eikonal equation-based adjoint-state characteristic reflection traveltime tomography: Method and application in real dataset
Jianming Zhang, Liangguo Dong, Jianhua Wang, Yilin Wang, Chao Huang
International Meeting for Applied Geoscience and Energy (IMAGE)
... and update the reflector positions, an efficient kinematic imaging method based on the Eikonal equation is developed. In each iteration of the inversion...
2023
Comparison of three Bayesian methods for lithofluid facies prediction using elastic properties
Jingfeng Zhang, Kevin Wolf, Anar Yusifov, Matt Walker, Pedro Paramo, Jeffrey Winterbourne, Reetam Biswas, Atish Roy, Qiang Liu, Xingchao Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
...(𝑳𝑭) is the prior lithofluid facies distribution and p(𝑬|𝑳𝑭) is the likelihood function that links elastic properties and lithofluid facies. In practice...
2023
Development of a Novel Compositional Simulation Approach to Model Recovery from Volatile Oil Reservoirs
E. Syahrial, T. S. Daltaban
Indonesian Petroleum Association
.... Archer, J.S. and Wall, C.G., 1986, Petroleum Engineering, Principles and Practice, Graham and Trotman, London. 3. Branco, C.M. and Rodriguez, F., 1994...
1998