The reservoir rock is not only porous but also permeable, i. 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. View academics in waterflooding optimization for improved reservoir management 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. Optimization of waterflooding operations, whether reducing water cut wcut or increasing ultimate oil recovery, has been a great challenge. Waterflooding is the most commonly used secondary oil recovery method which involves the injection of water into the reservoir to maintain the reservoir pressure as close to its initial value with the water displacing the oil to increase production. Optimization of petroleum reservoir waterflooding using. Robust optimization formulations for waterflooding management. Voidage replacement ratio as a decision variable in closed. View waterflooding optimization forimproved reservoir management masoud asadollahi research papers on academia. 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. In closedloop reservoir management brouwer and jansen, 2004. Waterflood management what is waterflood management. Source water reservoir systems are usually designed for.
Reservoir management and optimization tam international, inc. From laboratory to field enhanced oil recovery institute 3rd annual wyoming ioreor conference. Robust optimization formulations for waterflooding. A reinforcement learning approach for waterflooding. Reservoir management as the key to success in the life of a reservoir.
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. 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. Robust waterflooding optimization of multiple geological. This is accomplished by voidage replacement injection of water to increase the reservoir pressure to its initial level and maintain it near that pressure. Review of field development optimization of waterflooding, eor. Examples include the deepwater tahiti field in the u. Improving injector efficiencies using streamline simulation. While this field has proven very profitable, there is additional recovery to be realized through improved management of the reservoir. Waterflooding is the use of water injection to increase the production from oil reservoirs. Reservoir management is used throughout the life cycle of crude oil and natural gas fields. Modeling and optimization improves results the company had good information about the reservoir and its composition. Waterflooding is a common secondary oil recovery process.
Water injection for oil recovery by using reservoir. Pdf datadriven optimization of injectionproduction in waterflood. Injection brine optimization low salinity waterflooding part ii. Reservoir operations models simulate the storage and release of waters in systems of reservoirs. Dec 01, 20 waterflooding optimization for improved reservoir management asadollahi, m. A method of secondary recovery in which water is injected into the reservoir formation to displace residual oil. Waterflooding optimization for improved reservoir management masoud asadollahi this thesis is presented for the degree of doctor of philosophy phd. This article is based on threedimensional numerical simulation of a homogeneous reservoir saturated by oil, 22. 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. 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. 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.
Optimized oil production and total water injection rates lead to an increase in the total. 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 paper, we study and discuss two closedloop. 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. Review of field development optimization of waterflooding, eor, and well placement focusing on history matching and optimization algorithms article pdf available in processes 53. 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. These may be longterm scenarios or realtime optimization measures in response to rapid changes such as floods. Realtime waterflood reservoir management using key performance indicators in smart fields. An injection rate optimization in a water flooding case study with. In the reservoir, the objective is to achieve continue reading. Most of the studies related to reservoir performance optimization focus the well placement. His technical interests include reservoir management and engineering, production operations, well performance, and production optimization.
Residual oil for sequential waterflooding for lk reservoir, limestone and osandstone cores at t d. 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. Waterflooding optimization in uncertain geological scenarios. Surrogate based optimal waterflooding management, journal of. The water displaces oil from the pore spaces, but the efficiency of such displacement depends on many. Waterflooding of fractured low permeability reservoirs are. Due to the everincreasing necessity of producing oil reservoirs optimally by improving oil recovery, minimizing water production and better. The ultrasound raises the temperature of the tumor to 90 degrees celsius when the soundwaves are concentrated focally on the gland. Dynamic optimization of waterflooding with smart wells using optimal control theory, spe 78278pa.
Waterflood performance of mature fields can be improved significantly by modifying injection and production rates at individual wells. Luigi saputelli 2003, selflearning reservoir management an application of model predictive control for continious oilfied optimization, phd. Department of petroleum engineering, african university of. Spe 27640 reservoir management of the fullerton clearfork. The principal reason for waterflooding an oil reservoir is to increase the oilproduction rate and, ultimately, the oil recovery. 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. Waterflooding process involves the water injection into the reservoir to increase the oil recovery by oil displacement and pressure maintenance mechanisms. However, a major bottleneck in the optimization framework is the large number of reservoir. Improved characterisation and modelling of carbonate. Asadollahi m 2012 waterflooding optimization for improved reservoir management, ph.
Closedloop reservoir management consists of two main tasks. Surrogate based optimal waterflooding management, journal. The key tenets of a successful waterflooding plan are. 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. Dissertation, department of chemical engineering, university of houston, usa. Finding an optimal production strategy has always been a key task in reservoir management. Waterflooding management and optimization for reservoir. View academics in waterflooding optimization forimproved reservoir management masoud asadollahi on academia. Pdf waterflooding optimization for improved reservoir. These models are typically either rulebased simulation or goalbased optimization models, or a combination of the two rani and moreira 2010.
Reservoir limnology is effected by interreservoir diversions, releases from various depths, and water supply withdrawals. A new and fast waterflooding optimization workflow based. His technical interests include reservoir management, production operations, well performance, and production optimization. An analytical approach to maximizing reservoir production.
Waterflood optimization using streamlines and reservoir management risk. In this case, the problem is formulated as a boundary control. Basic waterflooding philosophy waterflooding is largely common sense. This article, written by jpt technology editor chris carpenter, contains highlights of paper spe 186431, waterflooding optimization. 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. Waterflood management using twostage optimization with streamline simulation article pdf available in computational geosciences 1834. 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. Reservoir management uses the geological and petroleum engineering knowledge to predict and maximize the future production of the oil and gas reservoirs. Waterflooding is a common type of oil recovery techniques where water is pumped into the reservoir for increased productivity. Source water reservoir systems are usually designed for water quantity maximizing safe yield. Waterflooding, presented at 11th international symposium on reservoir wettability calgary, ab, canada, september 2010 buckley, j.
A new and fast waterflooding optimization workflow based on. Chukuwezi m 2010 optimization of waterflooding using smart well technology. In oil reservoir management, one of the major challenges is the search for the best production plan under geological uncertainties. It is almost inevitable that where olympics is mentioned so too is the issue of doping. The water from injection wells physically sweeps the displaced oil to adjacent production wells. 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. In deepwater formations, waterflooding is the primary recovery mechanism used. Review of field development optimization of waterflooding. 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. Fractional flow theory is widely used for enhanced oil recovery eor. Waterflooding optimization research papers academia. 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. 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. Introduction in this paper, we consider the secondaryrecovery phase of a petroleum reservoir using waterflooding.
This is the case of canadian oil sands and some tar sands in other. Improved oil recovery flood management well surveillance. Spe 27640 reservoir management of the fullerton clearfork unit. Pdf waterflood management using twostage optimization with. View waterflooding optimization research papers on academia. Waterflooding optimization for improved reservoir management asadollahi, m. Pdf waterflood management using twostage optimization. Waterflood optimization using streamlines and reservoir. Waterflood optimization via rate control is receiving increased interest because of rapid. Jpt best practices for waterflooding optimization improve. Closed loop reservoir management clrm aims to automate the classic reservoir management process by means of using artificial intelligence, control theory and optimization workflows. Potential problems associated with waterflood techniques include inefficient recovery due to variable permeability, or similar conditions affecting fluid transport within the.
Realtime waterflood reservoir management using key. 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. Academics in waterflooding optimization forimproved. Pdf field development optimization of waterflooding. This type ofreservoirmanagement model has proved to be quite successful. A pragmatic and costeffective approach to improve oil recovery from mature fields, by x. Waterflooding optimization for improved reservoir management, ph. Waterflooding management and optimization for reservoir simulation with coupled geomechanics and dynamic fractures using streamlinebased information. Academics in waterflooding optimization for improved. 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. Identifying costeffective waterflooding optimization. Dynamic optimization of waterflooding with smart wells. This type ofreservoir management model has proved to be quite successful.
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. Traditionally, production optimization is to divide the lifetime of a reservoir into a sequence of control steps, where at. 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. 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. Identifying costeffective waterflooding optimization opportunities in mature reservoirs from data driven analytics. 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.
Journal of sound and vibration 179 4, 647668, 1995. 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. Cenk temizel1, suryansh purwar2, karelis urrutia2, azer abdullayev2, and jessica fry2. 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. Optimization of injection rate and injection time for. Robust waterflooding optimization of multiple geological scenarios. Pdf decision making in waterflooding operations is a crucial process in. If one sets out a plan and executes it, the projects success is significantly improved.
Reservoir limnology is effected by inter reservoir diversions, releases from various depths, and water supply withdrawals. Fcu benefited from these optimization efforts many years prior to development of the current concept of reservoir management as described in industry literature. Given the viscosity of heavy oils at reservoir conditions, oil might not flow naturally. 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. 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. This study investigates the reservoir management of waterfloods in terms of.