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Showing 1 to 20 of 49 for “"reservoir model"”.
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Mixed-solution, multi-phase single-well reservoir model, A
Includes bibliographical references (pages 101-103).
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Geomechanical Reservoir Model Calibration and Uncertainty Assessment from Microseismic Data
… of low permeability rocks in unconventional reservoirs has been observed to trigger microearthquakes (MEQs). Triggering of the MEQ events has been linked to the pore pressure, temperature, and in-situ stress variations which result in crack initiation. The resulting clouds of micro-seismic …
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Continuous reservoir model updating by ensemble Kalman filter on Grid computing architectures
A reservoir engineering Grid computing toolkit, ResGrid and its extensions, were developed and applied to designed reservoir simulation studies and continuous reservoir model updating. The toolkit provides reservoir engineers with high performance computing capacity to complete their projects …
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Surrogate Reservoir Model for Generating Pressure, Saturation and Compositional Characteristics at the Grid-Block Level; SACROC field, Scurry County, Texas
… industry more data are available for generating reservoir simulation models. This leads to high fidelity reservoir simulation models which are highly complex and computationally expensive. The conventional reservoir management studies require hundreds realizations of the simulation models. As S. …
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Assisted history matching using pattern recognition technology
Reservoir simulation and modeling is utilized throughout field development in different capacities. Sensitivity analysis, history matching, operations optimization and uncertainty assessment are the conventional analyses in full field model studies. Realistic modeling of the complexities of a …
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Tax Accounting Method and Offshore Petroleum Development: A Policy Evaluation Model Employing Royalty Equivalents and Excise Taxes (Oil and Gas, Capital Budgeting, Simulation, Capitalization, Net Present Value)
… research employed a capital budgeting simulation model of a natural gas reservoir. The research did not consider uncertainty or capital rationing. The key financial variables were: tax accounting method, discount rates, expected price and costs, royalty rates, tax rates, tax credits, and expected …
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Deciding among models : a decision-theoretic view of model complexity
… between the cost of adding complexity to a model and the value added to the results within the context of decision-making. It seeks to determine how complex a model should be in order to fit it to the purpose at hand. The report begins with a discussion on general modeling theory and model …
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A geo-cellular model of a multiphase hydrocarbon field incorporating fault-seal analysis : Bredasdorp Basin, South Africa
Geological 3D static modelling has become an integral tool during the appraisal and developmental stages of a hydrocarbon field lifecycle. The 3D model becomes the basis upon which reservoir heterogeneity and characterisation are understood, hydrocarbon volumetrics are calculated and field …
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Porosity distribution prediction using artificial neural networks
Reservoir characterization plays a very important role in the petroleum industry, especially to the economic success of the reservoir development. Heterogeneity can complicate the evaluation of reservoir properties. Porosity is the primary key to a reliable reservoir model.;Several studies in the …
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Application of Dynamic Upscaling for Thermal Reservoir Simulation
Reservoir simulation is inherently an imperfect tool for forecasting. However, given sufficient analysis and post-processing, the areas of uncertainty can be quantified and effort can be made to mitigate their impact and improve the confidence in the prediction. The focus of the research documented …
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Improving the simulation of a waterflooding recovery process using artificial neural networks
… for the simulation purposes, after developing a reservoir description.;The producing horizon in the field is the Upper Devonian Gordon sandstone, which is characterized by severe heterogeneity due to the depositional environment. Using available core and log data and geological analysis, a …
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Prediction of coalbed methane reservoir performance with type curves
… presents a set of production type curves for CBM reservoirs that would help the producers to predict the production from their CBM wells. As a consequence, the producers would be able to make better, more informed decisions regarding the CBM resources in the region. A reservoir model that …
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History matching sensitivity investigations and forecasting for low matrix porosity, permeability and highly fractured carbonate reservoir to optimize oil production in Kurdistan Region
… of the oil recovery is an essential task of the reservoir engineers. Many highly fractured carbonate reservoirs with low matrix porosity and low matrix permeability in the world have been depleted with low ultimate recovery due to the improper management. To obtain higher oil recovery and an …
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Multi-scale Numerical Studies on Characterization of Shale Gas Reservoir Development
… and objectively assess and forecast the shale reservoir performance with an advanced understanding of the shale reservoir specialty. With enhanced hydraulic characterization, Chapter 2 provides an advanced modelling scheme using the commercial platform to reduce history-match errors and …
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An integrated seismic and well log analysis for the estimation of reservoir properties
… an integrated approach for characterizing the reservoir and estimating its properties both at the well locations and in the inter-wen regions. Such an approach can be an invaluable tool for attaining a detailed, consistent, and complete characterization of the reservoir, as not only does it …
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Modelling of Subsidence in Geothermal Fields
… develop coupled thermal-hydro-mechanical (THM) models. A hierarchy of 1-D, R-Z and 3-D THM models were set up using data and knowledge from the comprehensive investigation programme conducted by Contact Energy Ltd. This subsidence analysis was performed using a coupled approach where two codes …
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Modelling the La Soufrière hydrothermal system, St. Vincent and the Grenadines
This project reports the first attempt to build a reservoir model for the La Soufrière hydrothermal system. This project will lay the foundation for future models of this system and further develop St. Vincent’s geothermal energy. Reykjavík Geothermal provided the geological and geothermal data in …
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Feasibility study of sedimentary enhanced geothermal systems using reservoir simulation
… geothermal projects, from a sedimentary reservoir with low permeability that requires productivity enhancement, using numerical reservoir simulation. The performance of a sedimentary geothermal reservoir is investigated in terms of reservoir hydraulics and thermal evolution. To build a …
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On Steam Based Recovery Process Design
… process for bitumen production from oil sands reservoirs. The most used thermal methods are Steam Flooding (SF), Cyclic Steam Stimulation (CSS), and Steam Assisted Gravity Drainage (SAGD). The choice of method depends on the geology, initial reservoir conditions, and the viscosity of the oil. …
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Simulation Study of Warm VAPEX Process Using Water-soluble Solvent
… through numerical simulations. A synthetic reservoir model with fine grids was developed to investigate the displacement mechanisms in a hot DME VAPEX process. Thermal dynamic properties of a bitumen-DME-water system were modelled and validated with experimental measurements. The performance …
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