We show that the twostage streamlinebased optimization approach can be an effective technique when applied to reservoirs with a large number of wells in need of an efficient waterflooding. Abstract waterflood projects account for over half the current canadian and u. Reservoir management using twostage optimization with. Department of petroleum engineering, african university of. However, it has not drawn significant attention in the reservoir optimization community. Jun 21, 2012 improving reservoir management and production optimization for mature fields reservoir management and production optimization should be a central part of a companys field development strategy, with the primary focus of maximizing hydrocarbon recovery. 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. Insim, a datadriven model for history matching and prediction for waterflooding monitoring and management with a field application, paper spe 1732, proceedings of the spe reservoir simulation symposium, houston, texas, usa, 2325 february 2015. The intent of this book is not to advocate energy conservation engineering as a cureall for developing energy independence, but rather to offer a step that can be implemented now. Low salinity waterflooding of wateredout reservoir, nominally at residual oil saturation, s. Reservoir engineers, geologists, production engineers, and asset managers who want to improve their understanding of waterflooding. Optimization of multiple and multipurpose reservoir system. Optimization of injection rate and injection time for. Jun 01, 2016 in this paper, performance optimization of the system of karun and dez reservoir dams have been studied and investigated with the purposes of hydroelectric energy generation and providing water demand in 6 dams.
Waterflooding optimization for improved reservoir management masoud asadollahi this thesis is presented for the degree of doctor of philosophy phd trondheim, norway, march 2012 norwegian university of science and technology. Reservoir management as a key for success in the longevity of a reservoir management is to adopt and implement the best possible decisions which make the exploit oil and gas companies to achieve their. 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. If one sets out a plan and executes it, the projects success is significantly improved. Venezuela, a masters of science in reservoir management and masters of philosophy in reservoir engineering.
Reservoir characterization is an integral part of the formation damage assessment and mitigation tasks, because the magnitude and the extent of the reservoir formation damage are greatly influenced by the reservoir formation properties. 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. Realtime waterflood reservoir management using key. Review of field development optimization of waterflooding. Identifying costeffective waterflooding optimization opportunities in mature reservoirs from data driven analytics. The nook book ebook of the modern chemical enhanced oil recovery.
An analytical approach to maximizing reservoir production. This text presents the fundamentals of integrated reservoir management practice, including the technical and management perspectives. An advanced approach for optimizing waterflooding halliburton. The spe online bookstore has titles that cover the topic of waterflooding concepts, design prediction, and optimization. Waterflooding management and optimization for reservoir. On the karun river, 5 dams have been built in the series arrangements, and the dez dam has been built parallel to those 5 dams. This work shows the waterflooding optimization workflow of a fractured lowpermeability reservoir in changqing oilfield, china. View waterflooding optimization forimproved reservoir management masoud asadollahi research papers on academia. It covers microscopic and macroscopic displacement efficiency, immiscible displacement in two dimensions, vertical displacement, waterflood design, and the influences of reservoir geology on waterflood design and operations. The reservoir properties are highly heterogeneous, its states change as production progresses which require varying injection and production settings for economic recovery. Waterflooding optimization for improved reservoir management code. Waterflooding optimization research papers academia. To compensate for the inherent geological uncertainties in an oil field, robust optimization has been suggested to improve and robustify optimal control strategies. In this study, crm is improved to model a multilayer reservoir and is applied to estimate and optimize waterflooding performance in an iranian layered reservoir.
Cranfield university alhaji shehu grema optimization of. Waterflooding is a process where water is injected into an oil reservoir to supplement its natural pressure for increment in productivity. Conventional and unconventional hydrocarbons are likely to remain the main component of the energy mix needed to meet the growing global energy demand in the next 50 years. So, different aspects of waterflooding modeling, control and optimization studies, have recently. Effective reservoir management using streamlinebased reservoir simulation, history matching and rate allocation optimization. A novel method based on the principle of selfoptimizing control that is purely. In this paper, performance optimization of the system of karun and dez reservoir dams have been studied and investigated with the purposes of hydroelectric energy generation and providing water demand in 6 dams. The objective is to create optimization models that can be used to optimize management of existing. 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. Reservoir management has advanced through various stages due to betterquality techniques, improved knowledge of reservoir behavior, ad hoc it software that has helped the interpretation, processing and management of all available data. Optimization of waterflooding performance by using finite volume. 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. In conventional waterflooding of an oil field, feedback based optimal control technologies may enable higher oil recovery than with a conventional reactive strategy in which producers are closed based on water breakthrough.
View academics in waterflooding optimization for improved reservoir management on academia. This book provides a thorough understanding of the practical approach to waterflood asset management. Improving reservoir management and production optimization. In the oil industry, closedloop reservoir management clrm has been suggested to maximize oil recovery or a financial measure such as the net present value of a given oil reservoir 112. Consequently, simpler methods that provide fast results to substitute reservoir simulation for surveillance and monitoring are important for continuous reservoir management. Most of the studies related to reservoir performance optimization focus the well placement. During waterflooding, the injected fluids can reach the producers through channels and can leave parts of the reservoir untouched. Realtime management of the waterflooding process using proxy. Two level strategy to combine reservoir management with model. The spe online bookstore has titles that cover the topic of. Optimal feedback control of oil reservoir waterflooding. May, 2014 an advanced approach for optimizing waterflooding.
Agiddi, dbas profile on linkedin, the worlds largest professional community. Academics in waterflooding optimization for improved. 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. Reservoir management is used throughout the life cycle of crude oil and natural gas fields. Injection brine optimization low salinity waterflooding part ii. Waterflooding optimization for improved reservoir management. It uses multidisciplinary integrated teams and resource management practices to enhance hydrocarbon recovery and maximize profitability. The hydrocarbon resources stored in carbonate reservoirs play an important role in new proven reserves worldwide over the last decade. Energies free fulltext improved crm model for interwell. Reservoir characterization an overview sciencedirect topics. Paper spe 93568 presented at the 14th spe middle east oil and gas show and conference, bahrain, 1215 march. Can this mature waterflood be improved or should we pull the plug.
Optimization of waterflooding performance by using finite volumebased flow diagnostics simulation. Realtime waterflood reservoir management using key performance indicators in smart fields. This article is an open access publication abstract over the years, water. It is often necessary in the management of a modern reservoir to alter the completion interval in a well. Pdf water injection for oil recovery by using reservoir. Waterflooding concepts, design prediction and optimization. In this paper, we study and discuss two closedloop approaches for realtime production optimization. Ecmor xiii th european conference on the mathematics of oil recovery biarritz, france, 10 september 2012 a33 reservoir management using twostage optimization with streamline simulation t. Reservoir pattern surveillance of mature floods using. Closedloop reservoir management geological and production perspectives. Academics in waterflooding optimization forimproved. Course agenda day 1 the day begins with general history and development of waterflooding, some case studies and highlighting the importance of at least five important factors governing the functioning of waterflood namely. Reservoir screening and sensitivity analysis of waterflooding with smart wells through the application of experimental design. Main objectives of the reservoir management activities can be summarized as follows.
Reservoir management and production optimization should be a central part of a companys field development strategy, with the primary focus of maximizing hydrocarbon recovery. Sep 17, 20 in conventional waterflooding of an oil field, feedback based optimal control technologies may enable higher oil recovery than with a conventional reactive strategy in which producers are closed based on water breakthrough. Optimization of reservoir management and operation with. The design engineering aspects of waterflooding book. These may be longterm scenarios or realtime optimization measures in response to rapid changes such as floods. Several actual examples and case studies are included for read more.
Injection brine optimization low salinity waterflooding. This is a hands on workshop where participants will be able to apply engineering principals in a real world scenario. Energies free fulltext improved crm model for inter. In this paper, we study and discuss two closedloop. An improved multiscale method for lifecycle production optimization, computational geosciences online first oct. This book or any portion thereof may not be reproduced or used in any manner without. Due to the coexistence of multiple types of reservoir bodies and widely distributed aquifer support in karst carbonate reservoirs, it remains a great challenge to understand the reservoir flow dynamics based on traditional capacitanceresistance crm models and darcys percolation theory.
Optimization of waterflooding operations, whether reducing water cut wcut or increasing ultimate oil recovery, has been a great challenge. The concepts and techniques discussed in chapter 12 apply to immiscible displacement processes. Effective reservoir management needs quick ways to predict injected fluid distribution to improve areal and vertical sweep efficiency during secondary and tertiary recovery processes. Reservoir characterization an overview sciencedirect. Gradientbase multiobjective optimization with ap plication to waterflooding optimization, computational geosciences online first sept. The key tenets of a successful waterflooding plan are. In this case, the problem is formulated as a boundary control. General topics to be addressed are 1 reservoir management and performance evaluation, 2 waterflood optimization, and 3more. To optimize waterflooding rates, we first, use an objective function. It has been shown that wettability of an oil reservoir rock affects almost all types of physical parameters necessary for reservoir management and oil recovery. Many declining oilfields have become candidates for waterflooding in order to meet the energy demand. Stochastic simplex approximate gradient for robust life.
Pdf waterflood management using twostage optimization. Reservoir management as the key to success in the life of a. The nelson lease is located in allen county, kansas, in the n. Reservoir and production monitoring and control devices are critical components for better reservoir management. The first day of this course will focus mainly on the reservoir management process. This practical volume provides a quantitative understanding of waterflooding and the engineering application of this oilrecovery method. The new edition is the reservoir engineering aspects of waterflooding, second edition. All aspects of the technical, management, and cost elements of reducing energy costs are fully explained. Satter and thakur are coauthors of pennwell books bestseller, integrated reservoir management. 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. Optimization of waterflooding performance in a layered. Residual oil for sequential waterflooding for lk reservoir, limestone and osandstone cores at t d.
A company should ask itself what needs to be applied to accomplish its reservoir management strategy. Integrated waterflood asset management thakur, ganesh c. The design engineering aspects of waterflooding book osti. Improved oil recovery flood management well surveillance. Waterflooding and gasflooding are two commonly used immiscible displacement processes. Modeling and optimization improves results the company had good information about the reservoir and its composition. View academics in waterflooding optimization forimproved reservoir management masoud asadollahi on academia. Waterflooding optimization in uncertain geological scenarios. These devices being important for understanding the state of the reservoir as well as for optimizing its exploitation, their availability and utilization has grown and is still growing. Continuous monitoring and data analysis are fundamental components of modifying and improving waterflooding techniques. Reservoir characterization provides critical information on the threedimensional distribution and realization of the reservoir heterogeneity and petrophysical.
As water is injected into the reservoir, more oil is expected to be produced. Waterflooding optimization in uncertain geological. Realtime management of the waterflooding process using. This course has supplemental books located in our spe bookstore entitled waterflooding and the reservoir engineering aspects of waterflooding. From laboratory to field enhanced oil recovery institute 3rd annual wyoming ioreor conference. Ior includes eor but also encompasses a broader range of activitiesfor example, reservoir characterization, improved reservoir management, infill drilling, horizontal well drilling, and. Closedloop reservoir management consists of two main tasks. Cenk temizel1, suryansh purwar2, karelis urrutia2, azer abdullayev2, and jessica fry2. A novel, streamlinebased injection efficiency enhancement. Participants will also learn about the concepts, sources of expertise, data acquisition and data use in respect to reservoir management. Pdf optimization of waterflooding performance by using. His technical interests include reservoir management, production operations, well performance, and production optimization. Derived injection efficiencies for improved waterflood manage ment. The cycle integration, analysis and modeling of a reservoir will also be covered.
Waterflooding is the use of water injection to increase the production from oil reservoirs. For example, the base case for a newly developed field that is undergoing primary depletion could be a primary depletion case to a userspecified economic limit, or it could be a waterflood because waterflooding has been the optimum reservoir management scenario for analogous fields. Identifying costeffective waterflooding optimization. Based on the type of reservoir bodies and geological origin and production response, carbonate reservoirs can be divided into three major categories, i. Water injection for oil recovery by using reservoir simulation via cfd. Hui zhao, zhijiang kang, xiansong zhang, haitao sun, lin cao and albert c. View waterflooding optimization research papers on academia. This book presents the fundamental principles and applications of waterflooding oilrecovery techniques. Pdf waterflood management using twostage optimization with. First, the finite difference simulator considering stress field and geomechanical properties is used to simulate the growth of dynamic fractures. Effective reservoir management using streamlinebased. Nov 28, 2012 connections between the wells and the effects of injection rates on production rates are calculated based on these signals to develop a simple model for the reservoir. Improved oil recovery by waterflooding nina loahardjo.
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