It is almost inevitable that where olympics is mentioned so too is the issue of doping. 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. A new and fast waterflooding optimization workflow based. 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. View waterflooding optimization forimproved reservoir management masoud asadollahi research papers on academia. Reservoir management and optimization tam international, inc. 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. Improved characterisation and modelling of carbonate. Surrogate based optimal waterflooding management, journal. View waterflooding optimization research papers on academia. Pdf decision making in waterflooding operations is a crucial process in. 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. Residual oil for sequential waterflooding for lk reservoir, limestone and osandstone cores at t d. An injection rate optimization in a water flooding case study with. Fractional flow theory is widely used for enhanced oil recovery eor. In oil reservoir management, one of the major challenges is the search for the best production plan under geological uncertainties.
Waterflooding management and optimization for reservoir. Dynamic optimization of waterflooding with smart wells using optimal control theory, spe 78278pa. Examples include the deepwater tahiti field in the u. Identifying costeffective waterflooding optimization opportunities in mature reservoirs from data driven analytics. Realtime waterflood reservoir management using key performance indicators in smart fields. 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. Reservoir operations models simulate the storage and release of waters in systems of reservoirs. Waterflooding is a common type of oil recovery techniques where water is pumped into the reservoir for increased productivity. A method of secondary recovery in which water is injected into the reservoir formation to displace residual oil.
Injection brine optimization low salinity waterflooding part ii. Academics in waterflooding optimization for improved. Chukuwezi m 2010 optimization of waterflooding using smart well technology. Reservoir management using twostage optimization with. 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.
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 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. 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. An analytical approach to maximizing reservoir production. 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 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. In the reservoir, the objective is to achieve continue reading. Dec 01, 20 waterflooding optimization for improved reservoir management asadollahi, m. Source water reservoir systems are usually designed for water quantity maximizing safe yield.
Waterflood management using twostage optimization with streamline simulation article pdf available in computational geosciences 1834. The reservoir rock is not only porous but also permeable, i. A pragmatic and costeffective approach to improve oil recovery from mature fields, by x. Due to the everincreasing necessity of producing oil reservoirs optimally by improving oil recovery, minimizing water production and better. Most of the studies related to reservoir performance optimization focus the well placement. Pdf datadriven optimization of injectionproduction in waterflood. Asadollahi m 2012 waterflooding optimization for improved reservoir management, ph. Dissertation, department of chemical engineering, university of houston, usa.
Dynamic optimization of waterflooding with smart wells. Robust optimization formulations for waterflooding management. This study investigates the reservoir management of waterfloods in terms of. 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. Luigi saputelli 2003, selflearning reservoir management an application of model predictive control for continious oilfied optimization, phd. These models are typically either rulebased simulation or goalbased optimization models, or a combination of the two rani and moreira 2010. Reservoir management technology also may be applied before a field begins production. Finding an optimal production strategy has always been a key task in reservoir management. 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.
Robust waterflooding optimization of multiple geological scenarios. While this field has proven very profitable, there is additional recovery to be realized through improved management of the reservoir. Robust waterflooding optimization of multiple geological. 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. In this paper, we study and discuss two closedloop. In this case, the problem is formulated as a boundary control. 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. Waterflooding is the use of water injection to increase the production from oil reservoirs. Waterflooding optimization for improved reservoir management asadollahi, m. Spe 27640 reservoir management of the fullerton clearfork unit. Improving injector efficiencies using streamline simulation. Reservoir management is used throughout the life cycle of crude oil and natural gas fields.
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. 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 water from injection wells physically sweeps the displaced oil to adjacent production wells. Surrogate based optimal waterflooding management, journal of. Pdf field development optimization of waterflooding. His technical interests include reservoir management and engineering, production operations, well performance, and production optimization.
Pdf waterflooding optimization for improved reservoir. 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. Waterflooding is a common secondary oil recovery process. 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. Optimization of petroleum reservoir waterflooding using. Potential problems associated with waterflood techniques include inefficient recovery due to variable permeability, or similar conditions affecting fluid transport within the. Review of field development optimization of waterflooding. View academics in waterflooding optimization for improved reservoir management on academia. From laboratory to field enhanced oil recovery institute 3rd annual wyoming ioreor conference. Waterflooding of fractured low permeability reservoirs are. Reservoir management as the key to success in the life of a reservoir.
Review of field development optimization of waterflooding, eor, and well placement focusing on history matching and optimization algorithms article pdf available in processes 53. Improved oil recovery flood management well surveillance. This type ofreservoirmanagement model has proved to be quite successful. Waterflood performance of mature fields can be improved significantly by modifying injection and production rates at individual wells. Waterflooding process involves the water injection into the reservoir to increase the oil recovery by oil displacement and pressure maintenance mechanisms. 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. 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. View academics in waterflooding optimization forimproved reservoir management masoud asadollahi on academia. In closedloop reservoir management brouwer and jansen, 2004. Waterflooding, presented at 11th international symposium on reservoir wettability calgary, ab, canada, september 2010 buckley, j. Fcu benefited from these optimization efforts many years prior to development of the current concept of reservoir management as described in industry literature. Academics in waterflooding optimization forimproved.
If one sets out a plan and executes it, the projects success is significantly improved. Traditionally, production optimization is to divide the lifetime of a reservoir into a sequence of control steps, where at. Waterflooding management and optimization for reservoir simulation with coupled geomechanics and dynamic fractures using streamlinebased information. Reservoir limnology is effected by interreservoir diversions, releases from various depths, and water supply withdrawals. Waterflooding optimization for improved reservoir management masoud asadollahi this thesis is presented for the degree of doctor of philosophy phd. 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. 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 article is based on threedimensional numerical simulation of a homogeneous reservoir saturated by oil, 22. Optimization of injection rate and injection time for. Waterflooding optimization for improved reservoir management, ph. Robust optimization formulations for waterflooding. 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. Pdf waterflood management using twostage optimization with.
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. Jpt best practices for waterflooding optimization improve. Cenk temizel1, suryansh purwar2, karelis urrutia2, azer abdullayev2, and jessica fry2. Waterflood optimization using streamlines and reservoir management risk. Spe 27640 reservoir management of the fullerton clearfork. Waterflood optimization via rate control is receiving increased interest because of rapid. The principal reason for waterflooding an oil reservoir is to increase the oilproduction rate and, ultimately, the oil recovery. Identifying costeffective waterflooding optimization. Waterflood optimization using streamlines and reservoir. 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 water displaces oil from the pore spaces, but the efficiency of such displacement depends on many. A reinforcement learning approach for waterflooding. Realtime waterflood reservoir management using key.
This type ofreservoir management model has proved to be quite successful. 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. The ultrasound raises the temperature of the tumor to 90 degrees celsius when the soundwaves are concentrated focally on the gland. A new and fast waterflooding optimization workflow based on. This article, written by jpt technology editor chris carpenter, contains highlights of paper spe 186431, waterflooding optimization. Voidage replacement ratio as a decision variable in closed. Introduction in this paper, we consider the secondaryrecovery phase of a petroleum reservoir using waterflooding. 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. However, a major bottleneck in the optimization framework is the large number of reservoir. Pdf waterflood management using twostage optimization. Given the viscosity of heavy oils at reservoir conditions, oil might not flow naturally.
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 management what is waterflood management. Waterflooding optimization research papers academia. This is the case of canadian oil sands and some tar sands in other. Closedloop reservoir management consists of two main tasks. Reservoir management uses the geological and petroleum engineering knowledge to predict and maximize the future production of the oil and gas reservoirs. Review of field development optimization of waterflooding, eor. His technical interests include reservoir management, production operations, well performance, and production optimization. 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 deepwater formations, waterflooding is the primary recovery mechanism used.
Basic waterflooding philosophy waterflooding is largely common sense. Optimization of waterflooding operations, whether reducing water cut wcut or increasing ultimate oil recovery, has been a great challenge. The key tenets of a successful waterflooding plan are. Journal of sound and vibration 179 4, 647668, 1995. 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. 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. This is accomplished by voidage replacement injection of water to increase the reservoir pressure to its initial level and maintain it near that pressure. Department of petroleum engineering, african university of. 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. Water injection for oil recovery by using reservoir. Waterflooding optimization in uncertain geological scenarios.
1362 823 422 499 1074 1645 1258 1510 1017 340 923 1255 158 526 1328 532 1558 1520 372 1383 1618 1230 1019 1640 790 973 276 963 624 154 460 1557 736 926 1325 560 570 587 177 452 793 1458