A streamline simulator for water injection in reservoirs with partial water influx PDF Download
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Author: Miroslav Veskovic
Publisher:
ISBN:
Category : Secondary recovery of oil
Languages : en
Pages : 164
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Author: Miroslav Veskovic
Publisher:
ISBN:
Category : Secondary recovery of oil
Languages : en
Pages : 164
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Book Description
Author: Luiz Eraldo Araujo Ferreira
Publisher:
ISBN:
Category : Oil fields
Languages : en
Pages : 280
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Book Description
Author: Knut-Andreas Lie
Publisher: Cambridge University Press
ISBN: 1108492436
Category : Business & Economics
Languages : en
Pages : 677
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Book Description
Presents numerical methods for reservoir simulation, with efficient implementation and examples using widely-used online open-source code, for researchers, professionals and advanced students. This title is also available as Open Access on Cambridge Core.
Author:
Publisher:
ISBN:
Category : Numerical simulation
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Oil reservoir engineering
Languages : en
Pages : 582
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Author: Akhil Datta-Gupta
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 418
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Streamline-Simulation emphasizes the unique features of streamline technology that in many ways complement conventional finite-difference simulation. It fills gaps in the mathematical foundations.
Author: Prannay Parihar
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Reservoir geomechanics is a production induced phenomena that is experienced in large number of fields around the world. Hydrocarbon production changes the pore pressure which in turn alters the in-situ stress state. For reservoirs that are either stress sensitive or where rock is soft and unconsolidated, stresses have appreciable effect on rock properties like porosity and permeability. Anisotropic and isotropic permeability changes affect flow direction and movement of flood front thereby influencing well performance and reservoir productivity. Coupling of geomechanical calculation with multi-phase flow calculation is needed to make prudent predictions about the reservoir production and recovery. The post processing tools provided with the simulators cannot monitor flood front movement and fail to capture important information like flow directionality and dominant phase in a flow. Geomechanical simulation is combined with streamline tracing to aid in better understanding of the reservoir dynamics through visualization of flow patterns in the reservoir. Streamline tracing is a proved reservoir engineering tool that is widely used by industry experts to capture information on flood movement, injector-producer relations and swept area. In the present research, we have incorporated total velocity streamlines and phase streamlines for coupled geomechanical simulation and compared the results with streamline tracing for conventional reservoir simulator to explain geomechanics behavior on reservoir flow processes in a more detailed and appealing manner. Industry standard simulators are used for coupled geomechanical simulation and conventional simulation and streamline tracing has been done through in-house tracing code. The research demonstrates the benefits and power of streamline tracing in visualizing flow patterns through work on two cases; first, a synthetic case for studying water injection in a five spot pattern and second, a SPE 9th comparative study. The research gives encouraging results by showing how geomechanics influences reservoir flow paths and reservoir dynamics through visualization of flow. The streamlines captures flow directionality, information regarding appearance and disappearance of gas phase and the connectivity between injector and producer.
Author: Nan Zhang
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Reservoir simulation is a tool to model the fluid flow in a reservoir over time. Streamline simulation has been proven to be an efficient approach for fine-scale geology models. With the development of engineering applications of streamline methods, researchers are now facing more challenges, for example, 1) tracing streamlines in structurally complex reservoirs; 2) improving the computational accuracy and efficiency for modeling transport problems. This research offers significant potential to meet these challenges. More specifically, this research is mainly focused on the development of a new three-dimensional, two-phase streamline simulator (using Matlab) that can model real physical displacement processes in a fast and accurate manner. This streamline simulator solves the pressure and saturation equations sequentially. First, streamlines are traced by pressure distribution approximations; and then transport problems are solved along streamlines. This new streamline simulator applies new semi-analytical methods to trace streamlines, including the Bilinear, Trilinear and Cubic methods. These methods generate streamlines based on pressure distribution approximations using piece-wise polynomials. Then the velocity field, streamline trajectory functions, and time-of-flight (the time a particle takes to travel along a streamline) are derived accordingly. The new streamline method and Pollcok's method are systemically compared via pressure and velocity approximations, plus streamline determinations. Through these comparisons, the new methods are proven to be more accurate than Pollock's method, especially in heterogeneous problems and/or when grid resolution is low. When certain initial conditions are imposed, this new streamline simulator applies a Riemann approach to solving transport problems along streamlines. Standard streamline simulators apply the classical Riemann solution under constant total flow rate conditions. However, the boundary conditions can also be specified by constant injection and production pressures. In this case, the flow rate varies with time, and a new semi-analytical Riemann solver presented in this thesis can be applied to map the Riemann solution along streamlines in terms of time-of-flight. Through a series of case studies using different reservoir properties, the abilities of the new streamline simulator to give sufficiently accurate solutions for homogeneous, heterogeneous, and anisotropic problems are demonstrated. Moreover, a large mobility ratio range (0.5 to 50) is tested to evaluate the performance of this streamline simulator. Through comparisons with a standard reservoir simulator (Eclipse100, Schlumberger) in these cases studies, it is demonstrated that this new streamline simulator significantly enhances the calculation speed and improves the accuracy of simulations when the underlying assumptions are valid. Finally, the ability of the new simulator is validated and demonstrated by modeling physical waterflooding displacements. This is the first time that waterflooding experiments are performed under constant differential pressure boundaries in a two-dimensional heterogeneous macro-model. Two experiments with the same reservoir and fluid properties are performed under different boundary conditions. The new simulator is applied to history match and simulate these two experiments. The predicted and observed results show excellent agreement. The flow behavior of the fluid under a constant pressure boundary is also well understood by using the visual power of the simulator. We conclude that the new streamline simulator is very efficient and accurate in physical waterflooding processes simulations when the viscous force dominates the flow.
Author: Mario Withberto Gonzales Zambrano
Publisher:
ISBN:
Category : Oil field flooding
Languages : en
Pages : 196
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Author:
Publisher:
ISBN:
Category : Petroleum
Languages : en
Pages : 1452
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