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Author : Lei Wang
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (995 download)
Download or read book Dynamic Analysis of Bottom Hole Assembly with External Vibrating Force Excitation written by Lei Wang and published by . This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Arunkant Ramdas Bhat
Publisher :
ISBN 13 :
Total Pages : 228 pages
Book Rating : 4.:/5 (34 download)
Download or read book Static and dynamic analysis of bottom-hole assembly written by Arunkant Ramdas Bhat and published by . This book was released on 1993 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tianheng Feng
Publisher :
ISBN 13 :
Total Pages : 318 pages
Book Rating : 4.:/5 (111 download)
Download or read book Modeling and Control of Drillstring Dynamics for Vibration Suppression written by Tianheng Feng and published by . This book was released on 2019 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drill-string vibrations could cause fatigue failure to downhole tools, bring damage to the wellbore, and decrease drilling efficiency; therefore, it is important to understand the drill-string dynamics through accurately modeling of the drill-string and bottom-hole assembly (BHA) dynamics, and then develop controllers to suppress the vibrations. Modeling drill-string dynamics for directional drilling operation is highly challenging because the drill-string and BHA bend with large curvatures. In addition, the interaction between the drill-string and wellbore wall could occur along the entire well. This fact complicates the boundary condition of modeling of drill-string dynamics. This dissertation presents a finite element method (FEM) model to characterize the dynamics of a directional drill-string. Based on the principle of virtual work, the developed method linearizes the drill-string dynamics around the central axis of a directional well, which significantly reduced the computational cost. In addition, a six DOF curved beam element is derived to model a curved drill-string. It achieves higher accuracy than the widely used straight beam element in both static and dynamic analyses. As a result, fewer curved beam elements are used to achieve the same accuracy, which further reduces the computational cost. During this research, a comprehensive drill-string and wellbore interaction model is developed as the boundary condition to simulate realistic drilling scenarios. Both static and dynamic analyses are carried out using the developed modeling framework. The static simulation can generate drill-string internal force as well as the drilling torque and drag force. The dynamic simulation can provide an insight of the underlying mechanism of drilling vibrations. Top drive controllers are also incorporated as torsional boundary conditions. The guidelines for tuning the control parameters are obtained from dynamic simulations. Drill-string vibrations can be suppressed through BHA configuration optimization. Based on the developed modeling framework, the BHA dynamic performance is evaluated using vibration indices. With an objective to minimize these indices, a genetic algorithm is developed to optimize the BHA stabilizer location for vibration suppression. After optimization, the BHA strain energy and the stabilizer side force, two of the vibration indices, are significantly reduced compared to the original design, which proves the BHA optimization method can lead to a significant reduction of undesirable drilling dynamics. At the end of this dissertation, reduced order models are also discussed for fast simulation and control design for real time operation
Author : Martha Belem Saldivar Márquez
Publisher : Springer
ISBN 13 : 3319157477
Total Pages : 294 pages
Book Rating : 4.3/5 (191 download)
Download or read book Analysis and Control of Oilwell Drilling Vibrations written by Martha Belem Saldivar Márquez and published by Springer. This book was released on 2015-03-09 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reports the results of exhaustive research work on modeling and control of vertical oil well drilling systems. It is focused on the analysis of the system-dynamic response and the elimination of the most damaging drill string vibration modes affecting overall perforation performance: stick-slip (torsional vibration) and bit-bounce (axial vibration). The text is organized in three parts. The first part, Modeling, presents lumped- and distributed-parameter models that allow the dynamic behavior of the drill string to be characterized; a comprehensive mathematical model taking into account mechanical and electric components of the overall drilling system is also provided. The distributed nature of the system is accommodated by considering a system of wave equations subject to nonlinear boundary conditions; this model is transformed into a pair of neutral-type time-delay equations which can overcome the complexity involved in the analysis and simulation of the partial differential equation model. The second part, Analysis, is devoted to the study of the response of the system described by the time-delay model; important properties useful for analyzing system stability are investigated and frequency- and time-domain techniques are reviewed. Part III, Control, concerns the design of stabilizing control laws aimed at eliminating undesirable drilling vibrations; diverse control techniques based on infinite--dimensional system representations are designed and evaluated. The control proposals are shown to be effective in suppressing stick-slip and bit-bounce so that a considerable improvement of the overall drilling performance can be achieved. This self-contained book provides operational guidelines to avoid drilling vibrations. Furthermore, since the modeling and control techniques presented here can be generalized to treat diverse engineering problems, it constitutes a useful resource to researchers working on control and its engineering application in oil well drilling.
Author : Ahmad Ghasemloonia
Publisher :
ISBN 13 :
Total Pages : 658 pages
Book Rating : 4.:/5 (995 download)
Download or read book Elastodynamic and Finite Element Analysis of Coupled Lateral-axial Vibration of a Drillstring with a Downhole Vibration Generator and Shock Sub written by Ahmad Ghasemloonia and published by . This book was released on 2013 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Johannes Daniel Brakel
Publisher :
ISBN 13 :
Total Pages : 552 pages
Book Rating : 4.F/5 ( download)
Download or read book Prediction of Wellbore Trajectory Considering Bottom Hole Assembly and Drillbit Dynamics written by Johannes Daniel Brakel and published by . This book was released on 1986 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Emmanuel Olusegun Omojuwa
Publisher :
ISBN 13 :
Total Pages : 238 pages
Book Rating : 4.:/5 (744 download)
Download or read book Integrated Dynamic Analysis for Optimal Bottomhole Assembly (BHA) Design in Extended-reach Horizontal Wells written by Emmanuel Olusegun Omojuwa and published by . This book was released on 2011 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ziad Abdullrahman Alabdullatif
Publisher :
ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.:/5 (755 download)
Download or read book Analysis of Downhole Drilling Vibrations written by Ziad Abdullrahman Alabdullatif and published by . This book was released on 2011 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: Downhole vibrations lead to downhole failures and decrease the rate of penetration (ROP). The bottom hole assembly (BHA) static and dynamic design is a key factor in optimizing drilling operations. The BHA should be designed to minimize the vibration levels in the axial, lateral, and torsional directions. This would be achieved by avoiding rotating the drillstring in the speeds that are nearby the natural frequency of BHA. The complexity associated with current BHA components requires using advanced computational tools that are capable of solving complex and time-consuming equations. Finite Element Analysis (FEA) is the most used technique in analyzing vibration behavior of the drillstring by mesh discretizing of a continuous body into small elements. This thesis will study the dynamic behavior of different BHA designs for Manifa and Karan fields of Saudi Aramco to optimize the drilling operations. The FEA software that will be used to conduct these studies is called Vibrascope, which was developed by NOV. The software will determine the critical speeds of the drillstring that should be avoided to prevent resonance of the BHA, which will lead to severe downhole vibration.
Author : Jia'en Lin
Publisher : Springer Nature
ISBN 13 : 9819919649
Total Pages : 7600 pages
Book Rating : 4.8/5 (199 download)
Download or read book Proceedings of the International Field Exploration and Development Conference 2022 written by Jia'en Lin and published by Springer Nature. This book was released on 2023-08-05 with total page 7600 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on reservoir surveillance and management, reservoir evaluation and dynamic description, reservoir production stimulation and EOR, ultra-tight reservoir, unconventional oil and gas resources technology, oil and gas well production testing, and geomechanics. This book is a compilation of selected papers from the 12th International Field Exploration and Development Conference (IFEDC 2022). The conference not only provides a platform to exchanges experience, but also promotes the development of scientific research in oil & gas exploration and production. The main audience for the work includes reservoir engineer, geological engineer, enterprise managers, senior engineers as well as professional students.
Author :
Publisher :
ISBN 13 :
Total Pages : 456 pages
Book Rating : 4.F/5 ( download)
Download or read book SPE Drilling Engineering written by and published by . This book was released on 1988 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Agenor de T. Fleury
Publisher : Springer
ISBN 13 : 3319912178
Total Pages : 553 pages
Book Rating : 4.3/5 (199 download)
Download or read book Proceedings of DINAME 2017 written by Agenor de T. Fleury and published by Springer. This book was released on 2018-07-20 with total page 553 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the most significant contributions to the DINAME 2017 conference, covering a range of dynamic problems to provide insights into recent trends and advances in a broad variety of fields seldom found in other proceedings volumes. DINAME has been held every two years since 1986 and is internationally recognized as a central forum for discussing scientific achievements related to dynamic problems in mechanics. Unlike many other conferences, it employs a single-session format for the oral presentations of all papers, which limits the number of accepted papers to roughly 100 and makes the evaluation process extremely rigorous. The papers gathered here will be of interest to all researchers, graduate students and engineering professionals working in the fields of mechanical and mechatronics engineering and related areas around the globe.
Author :
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ISBN 13 :
Total Pages : 1512 pages
Book Rating : 4.F/5 ( download)
Download or read book Petroleum Abstracts written by and published by . This book was released on 1991 with total page 1512 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Faruk Civan
Publisher : Elsevier
ISBN 13 : 0080471439
Total Pages : 1135 pages
Book Rating : 4.0/5 (84 download)
Download or read book Reservoir Formation Damage written by Faruk Civan and published by Elsevier. This book was released on 2011-08-30 with total page 1135 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reservoir Formation Damage, Second edition is a comprehensive treatise of the theory and modeling of common formation damage problems and is an important guide for research and development, laboratory testing for diagnosis and effective treatment, and tailor-fit- design of optimal strategies for mitigation of reservoir formation damage. The new edition includes field case histories and simulated scenarios demonstrating the consequences of formation damage in petroleum reservoirsFaruk Civan, Ph.D., is an Alumni Chair Professor in the Mewbourne School of Petroleum and Geological Engineering at the University of Oklahoma in Norman. Dr. Civan has received numerous honors and awards, including five distinguished lectureship awards and the 2003 SPE Distinguished Achievement Award for Petroleum Engineering Faculty. - Petroleum engineers and managers get critical material on evaluation, prevention, and remediation of formation damage which can save or cost millions in profits from a mechanistic point of view - State-of-the-Art knowledge and valuable insights into the nature of processes and operational practices causing formation damage - Provides new strategies designed to minimize the impact of and avoid formation damage in petroleum reservoirs with the newest drilling, monitoring, and detection techniques
Author : Xiandong Liu
Publisher : Woodhead Publishing
ISBN 13 : 0081002831
Total Pages : 318 pages
Book Rating : 4.0/5 (81 download)
Download or read book Friction Dynamics written by Xiandong Liu and published by Woodhead Publishing. This book was released on 2016-07-20 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: Friction Dynamics: Principles and Applications introduces readers to the basic principles of friction dynamics, which are presented in a unified theoretical framework focusing on some of the most important engineering applications. The book's chapters introduce basic concepts and analytical methods of friction dynamics, followed by sections that explore the fundamental principles of frictions. Concluding chapters focus on engineering applications in brake dynamics, the friction dynamics of rods used in oil suck pump systems, and the friction impact dynamics of rotors. This book provides comprehensive topics and up-to-date results, also presenting a thorough account of important advancements in friction dynamics which offer insights into varied dynamic phenomena, helping readers effectively design and fabricate stable and durable friction systems and components for various engineering and scientific friction dynamical systems. - Investigates the most critical engineering and scientific applications - Provides the most comprehensive reference of its kind - Offers a systematic treatment and a unified framework - Explores cutting-edge methodologies to address non-stationary, non-linear dynamics and control
Author :
Publisher :
ISBN 13 :
Total Pages : 860 pages
Book Rating : 4.X/5 (4 download)
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1993 with total page 860 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bernt S. Aadnoy
Publisher :
ISBN 13 : 9781555631451
Total Pages : 876 pages
Book Rating : 4.6/5 (314 download)
Download or read book Advanced Drilling and Well Technology written by Bernt S. Aadnoy and published by . This book was released on 2009-01-01 with total page 876 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P. SESHU
Publisher : PHI Learning Pvt. Ltd.
ISBN 13 : 8120323157
Total Pages : 340 pages
Book Rating : 4.1/5 (23 download)
Download or read book TEXTBOOK OF FINITE ELEMENT ANALYSIS written by P. SESHU and published by PHI Learning Pvt. Ltd.. This book was released on 2003-01-01 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: Designed for a one-semester course in Finite Element Method, this compact and well-organized text presents FEM as a tool to find approximate solutions to differential equations. This provides the student a better perspective on the technique and its wide range of applications. This approach reflects the current trend as the present-day applications range from structures to biomechanics to electromagnetics, unlike in conventional texts that view FEM primarily as an extension of matrix methods of structural analysis. After an introduction and a review of mathematical preliminaries, the book gives a detailed discussion on FEM as a technique for solving differential equations and variational formulation of FEM. This is followed by a lucid presentation of one-dimensional and two-dimensional finite elements and finite element formulation for dynamics. The book concludes with some case studies that focus on industrial problems and Appendices that include mini-project topics based on near-real-life problems. Postgraduate/Senior undergraduate students of civil, mechanical and aeronautical engineering will find this text extremely useful; it will also appeal to the practising engineers and the teaching community.
