A New Type Curve Analysis For Shale Gas Oil Reservoir Production Performance With Dual Porosity Linear System
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A New Type Curve Analysis For Shale Gas Oil Reservoir Production Performance With Dual Porosity Linear System
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Author : Haider Jaffar Abdulal
language : en
Publisher:
Release Date : 2012
A New Type Curve Analysis For Shale Gas Oil Reservoir Production Performance With Dual Porosity Linear System written by Haider Jaffar Abdulal and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
With increase of interest in exploiting shale gas/oil reservoirs with multiple stage fractured horizontal wells, complexity of production analysis and reservoir description have also increased. Different methods and models were used throughout the years to analyze these wells, such as using analytical solutions and simulation techniques. The analytical methods are more popular because they are faster and more accurate. The main objective of this paper is to present and demonstrate type curves for production data analysis of shale gas/oil wells using a Dual Porosity model. Production data of horizontally drilled shale gas/oil wells have been matched with developed type curves which vary with effective parameters. Once a good match is obtained, the well dual porosity parameters can be calculated. A computer program was developed for more simplified matching process and more accurate results. As an objective of this thesis, a type curve analytical method was presented with its application to field data. The results show a good match with the synthetic and field cases. The calculated parameters are close to those used on the synthetic models and field cases.
Well Production Performance Analysis For Shale Gas Reservoirs
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Author : Liehui Zhang
language : en
Publisher: Elsevier
Release Date : 2019-05-16
Well Production Performance Analysis For Shale Gas Reservoirs written by Liehui Zhang and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-16 with Business & Economics categories.
Well Production Performance Analysis for Shale Gas Reservoirs, Volume 66 presents tactics and discussions that are urgently needed by the petroleum community regarding unconventional oil and gas resources development and production. The book breaks down the mechanics of shale gas reservoirs and the use of mathematical models to analyze their performance. Features an in-depth analysis of shale gas horizontal fractured wells and how they differ from their conventional counterparts Includes detailed information on the testing of fractured horizontal wells before and after fracturing Offers in-depth analysis of numerical simulation and the importance of this tool for the development of shale gas reservoirs
Comparison Of Single Double And Triple Linear Flow Models For Shale Gas Oil Reservoirs
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Author : Vartit Tivayanonda
language : en
Publisher:
Release Date : 2012
Comparison Of Single Double And Triple Linear Flow Models For Shale Gas Oil Reservoirs written by Vartit Tivayanonda and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
There have been many attempts to use mathematical method in order to characterize shale gas/oil reservoirs with multi-transverse hydraulic fractures horizontal well. Many authors have tried to come up with a suitable and practical mathematical model. To analyze the production data of a shale reservoir correctly, an understanding and choosing the proper mathematical model is required. Therefore, three models (the homogeneous linear flow model, the transient linear dual porosity model, and the fully transient linear triple porosity model) will be studied and compared to provide correct interpretation guidelines for these models. The analytical solutions and interpretation guidelines are developed in this work to interpret the production data of shale reservoirs effectively. Verification and derivation of asymptotic and associated equations from the Laplace space for dual porosity and triple porosity models are performed in order to generate analysis equations. Theories and practical applications of the three models (the homogeneous linear flow model, the dual porosity model, and the triple porosity model) are presented. A simplified triple porosity model with practical analytical solutions is proposed in order to reduce its complexity. This research provides the interpretation guidelines with various analysis equations for different flow periods or different physical properties. From theoretical and field examples of interpretation, the possible errors are presented. Finally, the three models are compared in a production analysis with the assumption of infinite conductivity of hydraulic fractures.
Challenges In Modelling And Simulation Of Shale Gas Reservoirs
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Author : Jebraeel Gholinezhad
language : en
Publisher: Springer
Release Date : 2017-12-27
Challenges In Modelling And Simulation Of Shale Gas Reservoirs written by Jebraeel Gholinezhad and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-27 with Technology & Engineering categories.
This book addresses the problems involved in the modelling and simulation of shale gas reservoirs, and details recent advances in the field. It discusses various modelling and simulation challenges, such as the complexity of fracture networks, adsorption phenomena, non-Darcy flow, and natural fracture networks, presenting the latest findings in these areas. It also discusses the difficulties of developing shale gas models, and compares analytical modelling and numerical simulations of shale gas reservoirs with those of conventional reservoirs. Offering a comprehensive review of the state-of-the-art in developing shale gas models and simulators in the upstream oil industry, it allows readers to gain a better understanding of these reservoirs and encourages more systematic research on efficient exploitation of shale gas plays. It is a valuable resource for researchers interested in the modelling of unconventional reservoirs and graduate students studying reservoir engineering. It is also of interest to practising reservoir and production engineers.
A New Method For History Matching And Forecasting Shale Gas Oil Reservoir Production Performance With Dual And Triple Porosity Models
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Author : Orkhan Samandarli
language : en
Publisher:
Release Date : 2012
A New Method For History Matching And Forecasting Shale Gas Oil Reservoir Production Performance With Dual And Triple Porosity Models written by Orkhan Samandarli and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
Different methods have been proposed for history matching production of shale gas/oil wells which are drilled horizontally and usually hydraulically fractured with multiple stages. These methods are simulation, analytical models, and empirical equations. It has been well known that among the methods listed above, analytical models are more favorable in application to field data for two reasons. First, analytical solutions are faster than simulation, and second, they are more rigorous than empirical equations. Production behavior of horizontally drilled shale gas/oil wells has never been completely matched with the models which are described in this thesis. For shale gas wells, correction due to adsorption is explained with derived equations. The algorithm which is used for history matching and forecasting is explained in detail with a computer program as an implementation of it that is written in Excel's VBA. As an objective of this research, robust method is presented with a computer program which is applied to field data. The method presented in this thesis is applied to analyze the production performance of gas wells from Barnett, Woodford, and Fayetteville shales. It is shown that the method works well to understand reservoir description and predict future performance of shale gas wells. Moreover, synthetic shale oil well also was used to validate application of the method to oil wells. Given the huge unconventional resource potential and increasing energy demand in the world, the method described in this thesis will be the "game changing" technology to understand the reservoir properties and make future predictions in short period of time.
Advanced Production Decline Analysis And Application
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Author : Hedong Sun
language : en
Publisher: Gulf Professional Publishing
Release Date : 2015-02-12
Advanced Production Decline Analysis And Application written by Hedong Sun and has been published by Gulf Professional Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-02-12 with Technology & Engineering categories.
In recent years, production decline-curve analysis has become the most widely used tool in the industry for oil and gas reservoir production analysis. However, most curve analysis is done by computer today, promoting a "black-box" approach to engineering and leaving engineers with little background in the fundamentals of decline analysis. Advanced Production Decline Analysis and Application starts from the basic concept of advanced production decline analysis, and thoroughly discusses several decline methods, such as Arps, Fetkovich, Blasingame, Agarwal-Gardner, NPI, transient, long linear flow, and FMB. A practical systematic introduction to each method helps the reservoir engineer understand the physical and mathematical models, solve the type curves and match up analysis, analyze the processes and examples, and reconstruct all the examples by hand, giving way to master the fundamentals behind the software. An appendix explains the nomenclature and major equations, and as an added bonus, online computer programs are available for download. Understand the most comprehensive and current list of decline methods, including Arps, Fetkovich, Blasingame, and Agarwal-Gardner Gain expert knowledge with principles, processes, real-world cases and field examples Includes online downloadable computer programs on Blasingame decline type curves and normalized pseudo-pressure of gas wells
Shale Gas And Tight Oil Reservoir Simulation
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Author : Wei Yu
language : en
Publisher: Gulf Professional Publishing
Release Date : 2018-08-10
Shale Gas And Tight Oil Reservoir Simulation written by Wei Yu and has been published by Gulf Professional Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-10 with Technology & Engineering categories.
Shale Gas and Tight Oil Reservoir Simulation delivers the latest research and applications used to better manage and interpret simulating production from shale gas and tight oil reservoirs. Starting with basic fundamentals, the book then includes real field data that will not only generate reliable reserve estimation, but also predict the effective range of reservoir and fracture properties through multiple history matching solutions. Also included are new insights into the numerical modelling of CO2 injection for enhanced oil recovery in tight oil reservoirs. This information is critical for a better understanding of the impacts of key reservoir properties and complex fractures. Models the well performance of shale gas and tight oil reservoirs with complex fracture geometries Teaches how to perform sensitivity studies, history matching, production forecasts, and economic optimization for shale-gas and tight-oil reservoirs Helps readers investigate data mining techniques, including the introduction of nonparametric smoothing models
Development And Application Of A Specialized Type Curve For Analysis Of Shale Gas Production Performances
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Author : Xiang Xu
language : en
Publisher:
Release Date : 2016
Development And Application Of A Specialized Type Curve For Analysis Of Shale Gas Production Performances written by Xiang Xu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Understanding production performances of shale gas wells is important for reserves assessment and production optimization. Type curve analysis is a practical method used in the industry; but there are a number of limitations in applying traditional type curves in shale gas reservoirs because of the unique storage and flow mechanisms in shale gas reservoir. Thus specialized type curves are necessary.In this research, first I understood the storage and flow mechanisms in conventional and shale gas reservoirs; then I critically reviewed development and applications of type curves in conventional and shale gas reservoirs. The third step I developed a specialized multiphase, multi-mechanics type curves capable of analyzing production performances of shale gas wells based on our numerical simulation results, and finally applied and validated my type curves in a Marcellus well. This newly developed type curves could help engineers analyze shale gas well performances and identify potential production issues in a systematic and pragmatic manner.
Shale Hydrocarbon Recovery
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Author : Mehdi Zeidouni
language : en
Publisher: Springer Nature
Release Date : 2023-01-29
Shale Hydrocarbon Recovery written by Mehdi Zeidouni and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-01-29 with Science categories.
The main focus of this book is to show the challenges specific to shale hydrocarbon recovery and the practices to overcome these challenges. This book starts with an overview to the technological evolution that led to successful production of shale plays, and the implications of the shale being a source rock for its hydrocarbon recovery. The second chapter presents the operations of well drilling, hydraulic fracturing, and monitoring activities. Chapter 3 provides an overview of the available methods for reserve estimation of shale resources followed by comprehensive coverage of decline curve analysis (DCA). In a departure from the mostly empirical rate-time DCA methods covered in Chapter 3, advanced rate-time-pressure analysis – often referred to as rate transient analysis (RTA) - methods are presented in Chapter 4. Chapter 4 ends with discussing the complications of fluid flow in shale reservoirs and the required modeling improvements.
History Matching And Forecasting Of Three Unconventional Oil And Gas Reservoirs Using Decline Analyses And Type Curves
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Author : Hammad Ahmed
language : en
Publisher:
Release Date : 2019
History Matching And Forecasting Of Three Unconventional Oil And Gas Reservoirs Using Decline Analyses And Type Curves written by Hammad Ahmed and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
Reservoir modeling of shale gas and tight oil presents numerous challenges due to complicated transport mechanisms and the existence of fracture networks. Even then, oil and gas companies have not slowed down on shale hydrocarbon investment and production using horizontal well drilling and hydraulic fracturing techniques. Many small oil companies may not have the budget to build a reservoir model which typically requires drilling test wells and performing well logging measurements. Even for large oil companies, building a reservoir model is not worthwhile for the evaluation of small-scale oil fields. Comprehensive numerical simulation methods are likely impractical in those cases. Decline Curve Analysis (DCA) is one of the most convenient and practical techniques in order to forecast the production of these reservoirs. With the rapid increase in shale hydrocarbon production over the past 30 years, there have been numerous production data for shale gas reservoirs. Many different DCA models have been constructed to model the shale hydrocarbon production rate, from the classical Arps to the latest and more advanced models; each has its advantages and shortcomings. In practice and in all existing commercial DCA software, most of these DCA models are implemented and open to be used. Most of the deterministic DCA models are empirical and lack a physical background so that they cannot be used for history-matching of the reservoir properties. In this study, popular DCA models for shale gas reservoirs are reviewed, including the types of reservoirs they fit. Their advantages and disadvantages have also been presented. This work will serve as a guideline for petroleum engineers to determine which DCA models should be applied to different shale hydrocarbon fields and production periods. The research objective also includes evaluating the performance of top unconventional plays (Bakken, Barnett, and Eagle Ford). Productions by counties are analyzed and compared to see how they stack up against each other. One section of this study also sheds some light on the future of shale gas and tight oil plays based on the simulation of models created.