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Gas Injection In Fractured Reservoirs
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Book Synopsis Fundamentals and Practical Aspects of Gas Injection by : Reza Azin
Download or read book Fundamentals and Practical Aspects of Gas Injection written by Reza Azin and published by Springer Nature. This book was released on 2021-07-28 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers different aspects of gas injection, from the classic pressure maintenance operation to enhanced oil recovery (EOR), underground gas storage (UGS), and carbon capture and storage (CCS). The authors detail the unique characteristics and specific criteria of each application, including: material balance equations phase behaviour reservoir engineering well design operating aspects surface facilities environmental issues Examples, data, and simulation codes are provided to enable the reader to gain an in-depth understanding of these applications. Fundamentals and Practical Aspects of Gas Injection will be of use to practising engineers in the fields of reservoir engineering, and enhanced oil recovery. It will also be of interest to researchers, academics, and graduate students working in the field of petroleum engineering.
Book Synopsis Gas Injection and Mobility Control in Fractured, Oil-wet Carbonate Reservoirs by : Jimin Daniel Zhou
Download or read book Gas Injection and Mobility Control in Fractured, Oil-wet Carbonate Reservoirs written by Jimin Daniel Zhou and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Waterflooding in low permeability, fractured and oil-wet carbonate reservoirs yields extremely low oil recovery due to bypassing through fractures and little imbibition into the matrix resulting in a large amount of oil remaining in the reservoir. Gravity-aided gas injection is studied at the lab-scale in this work to enhance oil recovery from fractured reservoirs. The miscibility of the gas with a model oil (decane with naphthenic acid) is varied by enriching the methane with ethane. Mobility of the gas is decreased by incorporating the gas in foam or glycerol-alternating-gas floods. As the miscibility increases, the oil recovery increases, but reaches a plateau above the near-miscible conditions. The foam flood improves oil recovery by diverting gas into the matrix, if the gas is sufficiently soluble in the oil and the gas-oil capillary pressure is sufficiently low. The pressure gradient generated in the fracture by foam helps in the diversion of the gas into the matrix. Glycerol-alternating-gas floods result in minor additional oil recovery over foam floods because the pressure gradients are about the same as those observed in foam floods. Secondary foam flooding achieves similar ultimate oil recovery values as tertiary foam flooding, but at faster rates. Simulations of gas floods show the presence of three different gas fronts during the experiments. Miscible and near-miscible foam floods increased the oil recovery to high values (about 85% OOIP) in core floods and their scale-up to field-scale warrants further study
Book Synopsis A Study of Recovery Mechanisms During Gas Injection in Naturally Fractured Reservoirs by : Inghild Storesund
Download or read book A Study of Recovery Mechanisms During Gas Injection in Naturally Fractured Reservoirs written by Inghild Storesund and published by . This book was released on 1995 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mobility Control of Gas Injection in Highly Heterogeneous and Naturally Fractured Reservoirs by : Jose Sergio de Araujo Cavalcante Filho
Download or read book Mobility Control of Gas Injection in Highly Heterogeneous and Naturally Fractured Reservoirs written by Jose Sergio de Araujo Cavalcante Filho and published by . This book was released on 2016 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since a significant portion of the world’s oil reserves resides in naturally fractured reservoirs (NFR), it is important to maximize oil production from these reservoirs. Mobility control EOR techniques, such as water alternating gas (WAG) and foam injection, may be used in NFRs to improve oil recovery. Foam injection may be modeled by empirical or mechanistic models, the latter being capable of representing foam generation and coalescence effects. Numerical models are needed to evaluate EOR techniques in NFR. The Embedded Discrete Fracture Model (EDFM) is capable of representing conductive faults or fractures and describing NFR and unconventional reservoirs as a triple porosity medium (hydraulic fractures, natural fractures, and matrix). This work aims at developing a general EDFM framework to allow the evaluation of different mobility control EOR methods in NFR. The mobility control EOR methods evaluated were the WAG and continuous foam injection. The formulation used to evaluate mobility control by foam injection in NFR was the population balance assuming local equilibrium and the P*c models. Nanoparticle transport models (Two Site and Two Rate models) were implemented and validated to allow simulation of nanoparticle stabilized foam injection. An EDFM preprocessor was further developed and validated against the in-house fully implicit simulator, unstructured grid models from the literature and fine-grid models using a commercial simulator. Simulation run time was reduced by applying a porosity cut-off in the fracture cells assuming constant fracture conductivity. Validation case studies included multi-fractured wells producing through depletion and a 2D quarter five-spot production scheme (water and miscible gas injection) in NFR. We obtained a good agreement between EDFM, unstructured grid, and fine-grid models. Application case studies included 3D models under water, miscible gas and WAG injection, which confirmed the efficiency of the EDFM in modeling complex fracture networks. We used the EDFM to simulate multilateral well stimulation and we performed an automated history matching of the production data of a field test. The foam model and the nanoparticle transport models were validated against experimental data from the literature. It is concluded that the effect of fractures on hydrocarbon production depends on fracture network connectivity, which may be modeled using the EDFM preprocessor. Simulation results using mobility control EOR methods show considerable improvements in oil recovery due to a postponement in gas breakthrough.
Book Synopsis Fundamentals of Enhanced Oil and Gas Recovery from Conventional and Unconventional Reservoirs by : Alireza Bahadori
Download or read book Fundamentals of Enhanced Oil and Gas Recovery from Conventional and Unconventional Reservoirs written by Alireza Bahadori and published by Gulf Professional Publishing. This book was released on 2018-08-18 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fundamentals of Enhanced Oil and Gas Recovery from Conventional and Unconventional Reservoirs delivers the proper foundation on all types of currently utilized and upcoming enhanced oil recovery, including methods used in emerging unconventional reservoirs. Going beyond traditional secondary methods, this reference includes advanced water-based EOR methods which are becoming more popular due to CO2 injection methods used in EOR and methods specific to target shale oil and gas activity. Rounding out with a chapter devoted to optimizing the application and economy of EOR methods, the book brings reservoir and petroleum engineers up-to-speed on the latest studies to apply. Enhanced oil recovery continues to grow in technology, and with ongoing unconventional reservoir activity underway, enhanced oil recovery methods of many kinds will continue to gain in studies and scientific advancements. Reservoir engineers currently have multiple outlets to gain knowledge and are in need of one product go-to reference. - Explains enhanced oil recovery methods, focusing specifically on those used for unconventional reservoirs - Includes real-world case studies and examples to further illustrate points - Creates a practical and theoretical foundation with multiple contributors from various backgrounds - Includes a full range of the latest and future methods for enhanced oil recovery, including chemical, waterflooding, CO2 injection and thermal
Book Synopsis Projects Investigating Oil Recovery from Naturally Fractured Reservoirs by : United States. National Petroleum Technology Office
Download or read book Projects Investigating Oil Recovery from Naturally Fractured Reservoirs written by United States. National Petroleum Technology Office and published by . This book was released on 1999 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Gas Injection in Fractured Reservoirs by : Mohammad Mohammadzadeh Bahar
Download or read book Gas Injection in Fractured Reservoirs written by Mohammad Mohammadzadeh Bahar and published by . This book was released on 2010 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experimental tests on fluid flow in tight carbonate porous media were carried out with single and composite core plugs. It was demonstrated that the swelling of oil strongly depended on the contact time of the oil and gas phases and heterogeneity of the system.
Book Synopsis Evaluation of Lean and Rich Gas Injection for Improved Oil Recovery in Hydraulically Fractured Reservoirs by : Williams Osagie Ozowe
Download or read book Evaluation of Lean and Rich Gas Injection for Improved Oil Recovery in Hydraulically Fractured Reservoirs written by Williams Osagie Ozowe and published by . This book was released on 2021 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: Estimating improvements in oil recovery in shales can be difficult, because of their ultra-low permeability - often in the nanodarcy range. In addition, poroelastic changes occurring within the reservoir during production, have a direct impact on porosity and flow paths. Recovery estimates from simulations are imprecise, because inaccurate capillary pressure curves and liquid permeability estimates are often used for forecasting. This work presents a new method to measure liquid saturation and capillary pressure in shales, by integrating the time-dependent pressure drop data observed within the bulk liquid phase, when a shale sample is under liquid pressure. This work also presents an experimental method to estimate liquid permeability in shale, by using the early time portion of the liquid pressure decay data - that has been corrected for temperature effects – to estimate diffusivity, via a graphical approach that approximates the solution of the radial diffusivity equation coupled with the mass balance equation. In unconventional reservoirs it is quite common to experience a rapid decline in production and reservoir pressure during primary production. For this reason, operators have sought to find ways to improve oil recovery via cyclic gas injection in shale reservoirs. To achieve this, it is important to understand the role of fluid compressibility, miscibility, soak time and injection pressure on oil recovery. The choice of these parameters can have a significant impact on recovery factor, the produced gas-oil ratio and economic viability. This work presents results from an experimental study of these properties on Eagle Ford core plugs and crushed samples, via the injection of liquid and gaseous recovery agents at room temperature. Results show that gaseous solvents perform better than liquid solvents and oil recovery increases with injection pressure, and with increasing surface area to volume ratio of the shale samples. To better understand the role of poroelastic changes on oil recovery, cyclic gas injection simulations were conducted in the Eagle Ford shale using a fully coupled compositional, geomechanical hydraulic fracturing and reservoir simulator. Results obtained show that effective stress changes occurring during injection and production cycles in the stimulated reservoir volume results in a decrease in reservoir permeability, and this reduces oil recovery. Also, simulation results between miscible and immiscible gases show that immiscible gases yield lower oil recovery factors and higher gas-oil ratios, than more miscible gases. Finally, from simulation studies carried out for the Bakken and Wolfcamp shales, it was observed that increasing the mole fraction of the heavier molecular weight hydrocarbon gases in the injection gas improves miscibility with the reservoir fluid, and increases oil recovery. Additional results show that this enhanced degree of miscibility of the injection gas with the reservoir fluid, was not impacted by the substitution of low molecular weight hydrocarbons for carbon dioxide in a hybrid injection gas mixture
Book Synopsis Enhanced Oil Recovery in Shale and Tight Reservoirs by : James J.Sheng
Download or read book Enhanced Oil Recovery in Shale and Tight Reservoirs written by James J.Sheng and published by Gulf Professional Publishing. This book was released on 2019-11-07 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oil Recovery in Shale and Tight Reservoirs delivers a current, state-of-the-art resource for engineers trying to manage unconventional hydrocarbon resources. Going beyond the traditional EOR methods, this book helps readers solve key challenges on the proper methods, technologies and options available. Engineers and researchers will find a systematic list of methods and applications, including gas and water injection, methods to improve liquid recovery, as well as spontaneous and forced imbibition. Rounding out with additional methods, such as air foam drive and energized fluids, this book gives engineers the knowledge they need to tackle the most complex oil and gas assets. - Helps readers understand the methods and mechanisms for enhanced oil recovery technology, specifically for shale and tight oil reservoirs - Includes available EOR methods, along with recent practical case studies that cover topics like fracturing fluid flow back - Teaches additional methods, such as soaking after fracturing, thermal recovery and microbial EOR
Book Synopsis Naturally Fractured Reservoirs by : Roberto Aguilera
Download or read book Naturally Fractured Reservoirs written by Roberto Aguilera and published by PennWell Books. This book was released on 1980 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals exclusively with naturally fractured reservoirs and includes many subjects usually treated in separate volumes. A highly practical edition, Naturally Fractured Reservoirs is written for students, reservoir geologists, log analysts and petroleum engineers.
Book Synopsis Effect of Light Component Vaporization During Gas (carbon Dioxide and Natural Gas) Injection in Naturally Fractured Reservoirs-Bakken Formation by : Aso Vanessa Amanda Fai-Yengo
Download or read book Effect of Light Component Vaporization During Gas (carbon Dioxide and Natural Gas) Injection in Naturally Fractured Reservoirs-Bakken Formation written by Aso Vanessa Amanda Fai-Yengo and published by . This book was released on 2015 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Embedded Discrete Fracture Modeling and Application in Reservoir Simulation by : Kamy Sepehrnoori
Download or read book Embedded Discrete Fracture Modeling and Application in Reservoir Simulation written by Kamy Sepehrnoori and published by Elsevier. This book was released on 2020-08-27 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of naturally fractured reservoirs, especially shale gas and tight oil reservoirs, exploded in recent years due to advanced drilling and fracturing techniques. However, complex fracture geometries such as irregular fracture networks and non-planar fractures are often generated, especially in the presence of natural fractures. Accurate modelling of production from reservoirs with such geometries is challenging. Therefore, Embedded Discrete Fracture Modeling and Application in Reservoir Simulation demonstrates how production from reservoirs with complex fracture geometries can be modelled efficiently and effectively. This volume presents a conventional numerical model to handle simple and complex fractures using local grid refinement (LGR) and unstructured gridding. Moreover, it introduces an Embedded Discrete Fracture Model (EDFM) to efficiently deal with complex fractures by dividing the fractures into segments using matrix cell boundaries and creating non-neighboring connections (NNCs). A basic EDFM approach using Cartesian grids and advanced EDFM approach using Corner point and unstructured grids will be covered. Embedded Discrete Fracture Modeling and Application in Reservoir Simulation is an essential reference for anyone interested in performing reservoir simulation of conventional and unconventional fractured reservoirs. - Highlights the current state-of-the-art in reservoir simulation of unconventional reservoirs - Offers understanding of the impacts of key reservoir properties and complex fractures on well performance - Provides case studies to show how to use the EDFM method for different needs
Book Synopsis The Reservoir Engineering Aspects of Fractured Formations by : Louis H. Reiss
Download or read book The Reservoir Engineering Aspects of Fractured Formations written by Louis H. Reiss and published by Editions TECHNIP. This book was released on 1980 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contents: 1. Introduction. 2. Production geology of fractured reservoirs. 3. Use of production data in fractured reservoirs. 4. Recovery mechanisms in fractured reservoirs. 5. Simulation of fractured reservoirs. 6. Application to the development and exploitation of fractured reservoirs. Appendices. Well logging in fractured reservoirs. Well performance and well tests in fractured reservoirs. Relationship between the fracture parameters. Compressibility of fractured reservoirs. Multiphase flow in fractured reservoirs. Mathematical simulation of fractured reservoirs. Bibliography. Index.
Book Synopsis Gas Injection Methods by : Zhaomin Li
Download or read book Gas Injection Methods written by Zhaomin Li and published by Gulf Professional Publishing. This book was released on 2022-09-24 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Enhanced Oil Recovery Series delivers a multivolume approach that addresses the latest research on various types of EOR. The second volume in the series, Gas Injection Methods, helps engineers focus on the latest developments in one of the fastest growing areas. Different techniques are described in addition to the latest technology such as data mining and unconventional reservoirs. Supported field case studies are included to show a bridge between research and practical application, making it useful for both academics and practicing engineers. Structured to start with an introduction on various gas types and different gas injection methods, screening criteria for choosing gas injection method, and environmental issues during gas injection methods, the editors then advance on to more complex content, guiding the engineer into newer topics involving CO2 such as injection in tight oil reservoirs, shale oil reservoirs, carbonated water, data mining, and formation damage. Supported by a full spectrum of contributors, this book gives petroleum engineers and researchers the latest research developments and field applications to drive innovation for the future. - Helps readers understand the latest research and practical applications specific to foam flooding and gas injection - Provides readers with the latest technology, including nanoparticle-stabilized foam for mobility control and carbon storage in shale oil reservoirs - Teaches users about additional methods such as data mining applications and economic and environmental considerations
Book Synopsis Gas generation in fractured reservoirs from temperature-dependent chemical reactions during steam injection by : Chet Allen Babin
Download or read book Gas generation in fractured reservoirs from temperature-dependent chemical reactions during steam injection written by Chet Allen Babin and published by . This book was released on 1993 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multicomponent Diffusion by : E. L. Cussler
Download or read book Multicomponent Diffusion written by E. L. Cussler and published by Elsevier. This book was released on 2013-10-22 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multicomponent Diffusion discusses the multicomponent diffusion of the three phases of matter. The book is comprised of nine chapters that cover studies of multicomponent diffusion and mass transfer with an emphasis on the chemical characteristics responsible for multicomponent diffusion. Chapter 1 provides an introductory discourse about multicomponent diffusion. Chapter 2 discusses binary diffusion, while Chapter 3 covers multicomponent flux equation. The measurement of ternary diffusion and the estimation of ternary diffusion coefficients are also explained in the book. A chapter then covers the interacting systems, and the subsequent chapter talks about membranes without mobile carriers. The text also discusses carrier-containing membranes and the multicomponent mass transfer. The book will be of great use to researchers and professionals whose work requires a good understanding of multicomponent diffusion.
Book Synopsis Fundamentals of Fractured Reservoir Engineering by : T.D. van Golf-Racht
Download or read book Fundamentals of Fractured Reservoir Engineering written by T.D. van Golf-Racht and published by Elsevier. This book was released on 1982-04-01 with total page 729 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the modem language of reservoir engineering by reservoir description is understood the totality of basic local information concerning the reservoir rock and fluids which by various procedures are extrapolated over the entire reservoir. Fracture detection, evaluation and processing is another essential step in the process of fractured reservoir description. In chapter 2, all parameters related to fracture density and fracture intensity, together with various procedures of data processing are discussed in detail. After a number of field examples, developed in Chap. 3, the main objective remains the quantitative evaluation of physical properties. This is done in Chap. 4, where the evaluation of fractures porosity and permeability, their correlation and the equivalent ideal geometrical models versus those parameters are discussed in great detail. Special rock properties such as capillary pressure and relative permeability are reexamined in the light of a double-porosity reservoir rock. In order to complete the results obtained by direct measurements on rock samples, Chap. 5 examines fracturing through indirect measurements from various logging results. The entire material contained in these five chapters defines the basic physical parameters and indicates procedures for their evaluation which may be used further in the description of fractured reservoirs.
