Pdf waterflood management using twostage optimization with. Waterflooding optimization research papers academia. By building an optimization model, the reservoir engineers could determine how much water to inject into which reservoir blocks to achieve the best production increases. View waterflooding optimization forimproved reservoir management masoud asadollahi research papers on academia. The objective of this paper is to present an improved reservoir characterisation and modelling procedure for predicting waterflood performance of a cretaceous carbonate reservoir in the middle east. Waterflood performance of mature fields can be improved significantly by modifying injection and production rates at individual wells. Waterflooding management and optimization for reservoir. Waterflooding optimization for improved reservoir management asadollahi, m. Identifying costeffective waterflooding optimization. Review of field development optimization of waterflooding, eor. In oil reservoir management, one of the major challenges is the search for the best production plan under geological uncertainties. Review of field development optimization of waterflooding, eor, and well placement focusing on history matching and optimization algorithms article pdf available in processes 53. The water displaces oil from the pore spaces, but the efficiency of such displacement depends on many. Review of field development optimization of waterflooding.
This is the case of canadian oil sands and some tar sands in other. Spe 27640 reservoir management of the fullerton clearfork unit. The ultrasound raises the temperature of the tumor to 90 degrees celsius when the soundwaves are concentrated focally on the gland. This type ofreservoir management model has proved to be quite successful. Realtime waterflood reservoir management using key. Optimized oil production and total water injection rates lead to an increase in the total. On the other hand, reservoir development plans for heavy and extraheavy crude oil reservoirs, including oil sands, generally differ from those of medium and light crude oil reservoirs. Waterflood management using twostage optimization with streamline simulation article pdf available in computational geosciences 1834.
Waterflood optimization using streamlines and reservoir management risk. Academics in waterflooding optimization forimproved. View academics in waterflooding optimization forimproved reservoir management masoud asadollahi on academia. Introduction in this paper, we consider the secondaryrecovery phase of a petroleum reservoir using waterflooding. A new and fast waterflooding optimization workflow based on. In particular, we will consider twophase ow, which describes combined ow of water and oil in reservoirs, exploited as a mechanism for oil production optimization. Source water reservoir systems are usually designed for. Waterflooding optimization in closedloop management of the oil reservoirs is always considered as a challenging issue due to the complicated and unpredicted dynamics of the process. This article is based on threedimensional numerical simulation of a homogeneous reservoir saturated by oil, 22. Reservoir management is used throughout the life cycle of crude oil and natural gas fields. He received the societys john franklin caril award in 1977 for his contributions to the petroleum engineering profession, especially in waterflood and reservoir performance prediction techniques, and his active participation in all levels of society affairs. Waterflooding is a common type of oil recovery techniques where water is pumped into the reservoir for increased productivity. Optimization methods rely primarily on computer modelling tools such as hydrological models and optimization models to assess and compare the performance and benefits of reservoir operations under different scenarios. If one sets out a plan and executes it, the projects success is significantly improved.
Closedloop reservoir management consists of two main tasks. By incorporating data driven techniques to perform history matching and forecast the reservoir management process gets improved because early action can be taken to minimize water production, well operational problems and cost. Waterflood optimization using streamlines and reservoir. Waterflooding is the use of water injection to increase the production from oil reservoirs. Reservoir limnology is effected by interreservoir diversions, releases from various depths, and water supply withdrawals. Spe 27640 reservoir management of the fullerton clearfork.
Reservoir operations models simulate the storage and release of waters in systems of reservoirs. Optimization of waterflooding operations, whether reducing water cut wcut or increasing ultimate oil recovery, has been a great challenge. Given the viscosity of heavy oils at reservoir conditions, oil might not flow naturally. Reservoir management using twostage optimization with. Residual oil for sequential waterflooding for lk reservoir, limestone and osandstone cores at t d. These may be longterm scenarios or realtime optimization measures in response to rapid changes such as floods. Modeling and optimization improves results the company had good information about the reservoir and its composition. A method of secondary recovery in which water is injected into the reservoir formation to displace residual oil. Reservoir management uses the geological and petroleum engineering knowledge to predict and maximize the future production of the oil and gas reservoirs. Waterflooding management and optimization for reservoir simulation with coupled geomechanics and dynamic fractures using streamlinebased information. Closed loop reservoir management clrm aims to automate the classic reservoir management process by means of using artificial intelligence, control theory and optimization workflows. Robust waterflooding optimization of multiple geological.
Water injection for oil recovery by using reservoir. Pdf decision making in waterflooding operations is a crucial process in. Identifying costeffective waterflooding optimization opportunities in mature reservoirs from data driven analytics. He received the societys john franklin caril award in 1977 for his contributions to the petroleum engineering profession, especially in waterflood and reservoir performance prediction techniques, and his active participation in all levels of society. Journal of sound and vibration 179 4, 647668, 1995. An analytical approach to maximizing reservoir production. In deepwater formations, waterflooding is the primary recovery mechanism used. Improving injector efficiencies using streamline simulation. Voidage replacement ratio as a decision variable in closed.
Request pdf optimization of petroleum reservoir waterflooding using receding horizon approach in this paper, static and dynamic optimization of a reservoir waterflooding process for enhanced. Cenk temizel1, suryansh purwar2, karelis urrutia2, azer abdullayev2, and jessica fry2. The principal reason for waterflooding an oil reservoir is to increase the oilproduction rate and, ultimately, the oil recovery. Waterflooding is a common secondary oil recovery process.
Waterflooding optimization for improved reservoir management masoud asadollahi this thesis is presented for the degree of doctor of philosophy phd. The main goal in waterflooding is to adjust the manipulated variables such that the total oil production or a defined objective function, which has a strong. Dec 01, 20 waterflooding optimization for improved reservoir management asadollahi, m. The water from injection wells physically sweeps the displaced oil to adjacent production wells. Surrogate based optimal waterflooding management, journal of. It is almost inevitable that where olympics is mentioned so too is the issue of doping. Pdf waterflood management using twostage optimization.
Waterflooding process involves the water injection into the reservoir to increase the oil recovery by oil displacement and pressure maintenance mechanisms. Optimization of injection rate and injection time for. Academics in waterflooding optimization for improved. Review of field development optimization of waterflooding, eor, and well placement focusing on history matching and optimization algorithms article pdf available in processes 53 september. Due to the everincreasing necessity of producing oil reservoirs optimally by improving oil recovery, minimizing water production and better. In this paper, we study and discuss two closedloop. His technical interests include reservoir management, production operations, well performance, and production optimization.
Injection brine optimization low salinity waterflooding part ii. Dissertation, department of chemical engineering, university of houston, usa. Improved characterisation and modelling of carbonate. Robust optimization formulations for waterflooding. This article, written by jpt technology editor chris carpenter, contains highlights of paper spe 186431, waterflooding optimization. Waterflooding is a common oil recovery method in which water is injected into an oil reservoir using strategically placed injectors to maintain pressure and sweep oil to production wells. Basic waterflooding philosophy waterflooding is largely common sense. One way to conduct optimal management of reservoirs under uncertainty is through robust optimization, which uses a set of realizations to approximate some statistics of the reservoir properties. Dynamic optimization of waterflooding with smart wells using optimal control theory, spe 78278pa. Pdf waterflooding optimization for improved reservoir. This type ofreservoirmanagement model has proved to be quite successful. Jpt best practices for waterflooding optimization improve. Waterflooding of fractured low permeability reservoirs are. One of the tasks performed during a clrm is the optimization process which deals with defining the best allocation of resources so as to maximize, for instance, net present value.
Pdf field development optimization of waterflooding. Waterflood management what is waterflood management. Waterflood optimization via rate control is receiving increased interest because of rapid. Robust waterflooding optimization of multiple geological scenarios. Most of the studies related to reservoir performance optimization focus the well placement. Abstract closed loop reservoir management clrm aims to automate the classic reservoir management process by means of using artificial intelligence, control theory and optimization workflows. Waterflooding, presented at 11th international symposium on reservoir wettability calgary, ab, canada, september 2010 buckley, j. Pdf datadriven optimization of injectionproduction in waterflood.
Waterflooding optimization in uncertain geological scenarios. Pdf on nov 25, 2019, r guliev and others published field development optimization of waterflooding process using data assimilation methods find, read and cite all the research you need on. A pragmatic and costeffective approach to improve oil recovery from mature fields, by x. Reservoir management has now matured to the point where great emphasis isplaced on working as a crossfunctional team, involving all technical areas, management, economics, legal, and environmental groups. Reservoir limnology is effected by inter reservoir diversions, releases from various depths, and water supply withdrawals. The largescale nature of the closedloop reservoir management problem requires special numerical techniques for the data assimilation 20 as well as the optimization 21, 22.
The key tenets of a successful waterflooding plan are. This study investigates the reservoir management of waterfloods in terms of. One of the tasks performed during a clrm is the optimization process which deals with defining the best allocation of resources so as to maximize, for instance. Finding an optimal production strategy has always been a key task in reservoir management. Department of petroleum engineering, african university of. A reinforcement learning approach for waterflooding. Reservoir management as the key to success in the life of a reservoir. Waterflood optimization deepankar biswas date course title instructor reservoir engineering training courses january december 2014 08th 12th sep integrated reservoir characterization and modelling hai zui meng. Dynamic optimization of waterflooding with smart wells. It is used to determine the most beneficial way to develop a new field or to bring new life to a mature field with, for example, an enhanced oil recovery measure such as steamflooding. View academics in waterflooding optimization for improved reservoir management on academia. In the reservoir, the objective is to achieve continue reading. His technical interests include reservoir management and engineering, production operations, well performance, and production optimization.
Robust optimization formulations for waterflooding management. Luigi saputelli 2003, selflearning reservoir management an application of model predictive control for continious oilfied optimization, phd. However, a major bottleneck in the optimization framework is the large number of reservoir. Waterflooding optimization for improved reservoir management, ph. Examples include the deepwater tahiti field in the u. Based on such information, an improved understanding of the production process may result, and through some defined work processes including reservoir modeling andor well and reservoir fluid flow simulations, decisions regarding new production strategies can be made and implemented. Reservoir management has now matured to the point where great emphasis isplaced on working as a crossfunctional team, involving all technical areas,management, economics, legal, and environmental groups. Reservoir states change with time, as such, different injection and production settings will be required to lead the process to optimal operation which is actually a dynamic optimization problem.
While this field has proven very profitable, there is additional recovery to be realized through improved management of the reservoir. Asadollahi m 2012 waterflooding optimization for improved reservoir management, ph. Reservoir management technology also may be applied before a field begins production. This is accomplished by voidage replacement injection of water to increase the reservoir pressure to its initial level and maintain it near that pressure.
Performance of waterfloods in mature fields with a significant number of wells can be improved with minimal infrastructure investment by optimizing injectionproduction rates of individual wells. In this case, the problem is formulated as a boundary control. View waterflooding optimization research papers on academia. Riverine flood protection description large water reservoirs often serve several purposes, such as for hydropower production, irrigation control, floodcontrol, navigation and other flow regulation objectives. Surrogate based optimal waterflooding management, journal. Reservoir management process most of the people know the management reservoir as a synonym with reservoir engineering that in the early 1970 reservoir engineering was proposed as a most important technical aspect of reservoir management dvyrty, g. Traditionally, production optimization is to divide the lifetime of a reservoir into a sequence of control steps, where at. Reservoir management and optimization tam international, inc.
Improved oil recovery flood management well surveillance. Optimization of petroleum reservoir waterflooding using. An injection rate optimization in a water flooding case study with. From laboratory to field enhanced oil recovery institute 3rd annual wyoming ioreor conference. A new and fast waterflooding optimization workflow based. Realtime waterflood reservoir management using key performance indicators in smart fields. Gulf of mexico and the agbami field offshore nigeria, where we employed integrated reservoir management techniques to design field development plans that maximize production and reserves. The reservoir rock is not only porous but also permeable, i. Use of water to increase oil production is known as secondary recovery and typically follows primary production, which uses the reservoirs natural energy fluid and rock expansion, solutiongas drive, gravity drainage, and aquifer influx to produce oil. Fractional flow theory is widely used for enhanced oil recovery eor.
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