This book addresses some of the challenges and advances in knowledge, approaches, concepts, and methods used to characterize the interplay of rock matrix and. Download geologic analysis of naturally fractured reservoirs. Get pdf abstract an idealized model has been developed for the purpose of studying the characteristic behavior of a permeable medium which contains regions which contribute significantly to the pore volume of the system hut contribute negligibly to the flow capacity. Download pdf a fractured society free online new books in. A muchneeded, precise and practical treatment of a key topic in the energy industry and beyond, applied concepts in fractured reservoirs is an invaluable reference for those in both industry and academia authored by renowned experts in the field, this book covers the understanding, evaluation, and effects of fractures in reservoirs.
Geologic analysis of naturally fractured reservoirs 2nd edition. Multiphase fluid flow in porous and fractured reservoirs discusses the process of modeling fluid flow in petroleum and natural gas reservoirs, a practice that has become increasingly complex thanks to multiple fractures in horizontal drilling and the discovery of more unconventional reservoirs and resources. Multiphase fluid flow in porous and fractured reservoirs. Spe member price usd 45 naturally fractured reservoirs present unique and specialized challenges to hydrocarbon extraction. Reservoir characterization for naturally fractured reservoirs. A method 300, apparatus 157, and program product 170 generate an estimation of an incremental recovery for an enhanced oil recovery eor process performed on a naturallyfractured reservoir by classifying the naturallyfractured reservoir based upon a set of reservoir properties associated with the naturallyfractured reservoir 302, and generating an estimation of the incremental. Characterization of naturally fractured reservoirs digital.
Geomechanical response of fractured reservoirs csic. Naturally fractured reservoirs training course petroskills fr. In the past halfcentury, the study of fluid flow and transport processes in fractured porous media has received great attention and has. Pdf the nature of naturally fractured reservoirs researchgate. Pdf introduction to naturally fractured reservoirs researchgate. Geologic analysis of naturally fractured reservoirs. Eclipse simulation of naturally fractured reservoirs. Calculate porosity partitioning coefficient of a naturally fractured reservoir calculate storage capacity and interporosity flow factor analyze well tests in naturally fractured reservoirs assess reservoir performance of horizontal wells in nfr use mbe to analyze impact of pressure depletion on recovery dr.
The behavior of naturally fractured reservoirs joi%warren p, j, rqot members aime abstract. Applications and limitations of geologic and engineering procedures and tools are discussed. View notes chapter 8 wta naturally fractured reservoirs. Naturally fractured reservoirs are elusive systems to characterize and difficult to engineer and predict. Yushu wu, in multiphase fluid flow in porous and fractured reservoirs, 2016. Well test analysis for naturallyfractured reservoirs unt. A method, apparatus, and program product generate an estimation of an incremental recovery for an enhanced oil recovery eor process performed on a naturally fractured reservoir by classifying the naturally fractured reservoir based upon a set of reservoir properties associated with the naturally fractured reservoir, and generating an estimation of the incremental recovery for at least one. For these reservoir characteristics it is difficult to place a reasonable certainty of volumetric estimates of original hydrocarbonsinplace and reserves. In particular, it is intended for reservoir engineers who perform activities related to understanding nfr behavior and who use numerical simulation models for. The solution is straightforward, and involves only ordinary bessel functions. Efforts were made to study matrixfracture interaction where matrix blocks are surrounded by waterfilled fractures by developing the scaling groups. Well test analysis in naturally fractured reservoirs using elliptical flow start download portable document format pdf and ebooks electronic books free online rating news 20162017 is books that can provide inspiration, insight, knowledge to the reader. The behavior of naturally fractured reservoirs joi%warren p, j, rqot members aime abstract an idealized model has been developed for the purpose of studying the characteristic behavioroja permeable medium which contains regions which contribute sigizificantly to tbe pore volume o. The focus is on understanding fractures in a reservoir how to determine whether fractures are important to hydrocarbon producibility, and if so.
Textbook series natural fractured reservoir engineering. Ebook well test analysis in naturally fractured reservoirs. It is important to establish some basic criteria for recognizing when fractures are an important element in reservoir performance and to recognize the nature and performance characteristics of a naturally fractured reservoir. Production from a fractured reservoir behavior is not common for a conventional homogeneous reservoir and is not associated with natural depletion either. In the past halfcentury, the study of fluid flow and transport processes in fractured porous media has received great attention and has been one of the most active areas in. Petrophysical characterization of carbonate naturally. Naturallyfractured reservoirs the imperial college. Pressure response in a naturally fractured reservoir showing ideal dual porosity behavior. The total effective compliance of a fractured rock, which is described using second. Dec 17, 2016 fracture network connectivity and aperture or conductivity distribution are two crucial features controlling flow behavior of naturally fractured reservoirs. Jim has also been involved in training, consultation, and project work in reservoir engineering, reservoir simulation, naturally fractured reservoirs, horizontal wells and production uncertainty analysis. A method, apparatus, and program product generate an estimation of an incremental recovery for an enhanced oil recovery eor process performed on a naturallyfractured reservoir by classifying the naturallyfractured reservoir based upon a set of reservoir properties associated with the naturallyfractured reservoir, and generating an estimation of the incremental recovery for at least one. Recognizing naturally fractured reservoirs petrowiki. Naturally fractured reservoir an overview sciencedirect.
This course will cover the oil recovery mechanisms in fractured reservoirs, which undergo the waterflood or gas cap expansion and gas injection. Naturally fractured reservoir characterization seeks to confront many of these challenges by providing an introduction to the engineering and geological character of naturally fractured reservoirs. In this paper, however, we focus here on the influence of fracture aperture distribution. The challenge of estimating recovery from naturally. Because they must be incorporate into the numerical model of simulation the results of the petrophysical characterization, it is conceptualized like a model of double porosity. Simulation results show that fluid pressure propagates through the. Controls on recovery factor in fractured reservoirs. Geologic and engineering aspects of naturally fractured. Geologic analysis of naturally fractured reservoirs 2nd.
This course covers geologic and engineering concepts, methodology, and technology used to characterize, evaluate, and manage naturally fractured reservoirs. Pdf characterization of naturally fractured reservoirs. A new scaling equation for imbibition process in naturally fractured gas reservoirs spontaneous imbibition is an important mechanism in naturally fractured reservoirs. The productivity and development of naturally fractured reservoirs are mainly affected by the. Fracture network connectivity and aperture or conductivity distribution are two crucial features controlling flow behavior of naturally fractured reservoirs. The pressure buiidup performance has been examined insomedetait. Characterization of naturally fractured reservoirs. Many reservoirs contain a network of interconnected, naturally occurring fractures, which provide most of the reservoirscale permeability. An alternative analytical solution to the system of equations for fluid flow through a doubleporosity medium with a boundary condition of an equipotential surface is given in this paper. Hydraulic fracturing of naturally fractured reservoirs. Seismic characterization of naturally fractured reservoirs. Introduction the development of reservoir modeling and reservoir characterization for naturally fractured reservoirs nfrs has lagged behind simpler matrix flow dominated rock. Carbonate naturally fractured reservoir is a multiporous system that contain microfractures, fractures, vugs, macrovugs, matrix, type of fractures network. How dual porosity reservoirs are modeled with modern numerical simulators and simulation exercises will.
The behavior of naturally fractured reservoirs including. Not only do the intrinsic characteristics of the fractures, as well as the matrix, have to be characterized, but the interaction between matrix and. A naturally fractured reservoir is comprised of complicated rock structure surrounded by irregular vug and natural fracture. Geologic analysis of naturally fractured reservoirs kindle edition by nelson, ronald. Bunger csiro earth science and resource engineering ian wark laboratory melbourne, victoria, 3168, australia, rob. Naturally fractured reservoir an overview sciencedirect topics. It offers a comprehensive yet practical discussion and. Eclipse simulation of naturally fractured reservoirs this course is designed for reservoir engineers involved in the evaluation and management of naturally fractured reservoirs nfrs. This publication deals exclusively with naturally fractured reservoirs, and includes many subjects usually treated in separate volumes. Apr 03, 2016 read free ebook now download geologic analysis of naturally fractured reservoirs second edition pdf free. Drilling and completion strategies in naturally fractured reservoirs free download as powerpoint presentation.
Numerical results show that d, the ratio of matrix system permeability to. Purchase geologic analysis of naturally fractured reservoirs 2nd edition. Naturally fractured reservoirs exist throughout the world and represent significant amounts of oil and gas reserves, water, and other natural resources on earth. Fluid flow in naturally fractured reservoirs petrowiki. The behavior of naturally fractured reservoirs onepetro dois. This book addresses some of the challenges and advances in. Naturally fractured reservoirs fluid flow in petroleum. These include quantification in reservoir descriptions, interpretive evaluation of production history or history matching, reservoir modeling to understand the scaling of various geological and engineering data. The problem is reduced to solving an integral equation. Seismic characterization of naturally fractured reservoirs using amplitude versus offset and azimuth analysis. He has served as senior technical consultant and manager for marathon oil company in. The purpose of this collection of 15 papers is to introduce the subject of naturally fractured reservoir characterization to engineers interested in gaining a basic overview of the technology and its applications. Most naturally fractured reservoirs i am familiar with are characterized by low matrix porosities less than 10% and low matrix permeabilities less than 1 md.
The applied study of naturally fractured reservoirs seeks to constrain this uncertainty by developing new understanding, and is necessarily a broad, integrated, interdisciplinary topic. The behavior of naturally fractured reservoirs onepetro. Prediction of naturally fractured reservoir performance. Drilling and completion strategies in naturally fractured. Chapter 2 naturally fractured reservoirs sciencedirect. The focus is on understanding fractures in a reservoir how to. The effect of connectivity on flow properties is well documented. This course covers geologic and engineering concepts, methodology, and technology used to characterize, evaluate, and manage naturallyfractured reservoirs. Naturally fractured reservoirs research papers academia. Wo2014036245a2 analysis of enhanced oil recovery eor.
Efforts were made to study matrixfracture interaction where matrix blocks are surrounded by. A new scaling equation for imbibition process in naturally. Unsteadystate flow in this model reservoir has been investigated analytically. Reservoir characterization and simulation modeling of naturally fractured reservoirs nfrs presents unique challenges that differentiate it from conventional, single porosity continuum reservoirs. Download pdf a fractured society free online new books.
Spe 84590 presented at the spe technical conference and exhibition held in colorado, 5 to 8 october. View naturally fractured reservoirs research papers on academia. We model a twodimensional fractured reservoir in which the matrix is. For anisotropic reservoirs in general, and fractured reservoirs in particular, several philosophical changes are required to be made. Get pdf abstract an idealized model has been developed for the purpose of studying the characteristic behavior of a permeable medium which contains regions which contribute significantly to the pore volume of the system hut contribute negligibly to the flow. Geologic analysis of naturally fractured reservoirs, nelson. As such, it is important to predict how fluids will move through such reservoirs. Download a fractured society ebook pdf or read online books in pdf, epub, and mobi format. Manual typecurve analysis for well in naturally fractured reservoirs is tedious, and the interpretation involved is difficult. Because they must be incorporate into the numerical model of simulation the results of the petrophysical characterization, it is conceptualized like a. The purpose of this collection of 15 papers is to introduce the subject of naturally fractured reservoir characterization to engineers interested in gaining a basic overview of the technology and its. In this work pressure transient analysis for constant rate production and transient rate analysis for constant pressure production are presented for a naturally fractured reservoir.
Field examples and case studies demonstrate the importance of integrated geologic and. Well test analysis for naturallyfractured reservoirs. Use features like bookmarks, note taking and highlighting while reading geologic analysis of naturally fractured reservoirs. Geologists, engineers, and petrophysicists concerned with hydrocarbon production from naturally fractured reservoirs will find this book a valuable tool for obtaining pertinent rock data to evaluate reserves and optimize well location and performance. Constant producing pressure solutions, which define declining production rates with time, are presented. Multiphase fluid flow in porous and fractured reservoirs discusses the process of modeling fluid flow in petroleum and natural gas reservoirs, a practice that has become increasingly complex thanks to multiple fractures in horizontal drilling and the discovery of more unconventional reservoirs and resources the book updates the reservoir engineer of today with the latest developments in. The solutions for the dimensionless flowrate and pressure are based on a model presented by warren and root. Download it once and read it on your kindle device, pc, phones or tablets. Read free ebook now download geologic analysis of naturally fractured reservoirs second edition pdf free. Pdf this presentation is an introduction to naturally fractured reservoirs for subsurface students and professionals in the hydrocarbon. Naturally fractured reservoirs are exploited in several industries as they 1 may contain oil and gas, 2 can also be used to extract heat from underground, 3 form pathways for groundwater to flow, 4 can be used to store co2 and mitigate climate change.
999 808 23 171 1034 802 1208 1120 121 1419 25 161 36 1098 1269 1052 1294 1214 646 1444 1335 642 423 375 1128 29 1206 261 770 976 1310 944 1099 1249 1125 650 280 362 376 698 415 1089