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Author : Michael J. Economides
Publisher :
ISBN 13 : 9780971042704
Total Pages : 200 pages
Book Rating : 4.0/5 (427 download)
Download or read book Unified Fracture Design written by Michael J. Economides and published by . This book was released on 2002 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Termpan Pitakbunkate
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (688 download)
Download or read book Incorporating Rigorous Height Determination Into Unified Fracture Design written by Termpan Pitakbunkate and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydraulic fracturing plays an important role in increasing production rate in tight reservoirs. The performance of the reservoir after fracturing can be observed from the productivity index. This parameter is dependent on the fracture geometry; height, length and width. Unified fracture design (UFD) offers a method to determine the fracture dimensions providing the maximum productivity index for a specific proppant amount. Then, in order to achieve the maximum productivity index, the treatment schedules including the amount of liquid and proppant used for each stage must be determined according to the fracture dimensions obtained from the UFD. The proppant number is necessary for determining the fracture geometry using the UFD. This number is used to find the maximum productivity index for a given proppant amount. Then, the dimensionless fracture conductivity index corresponding to the maximum productivity index can be computed. The penetration ration, the fracture length, and the propped fracture width can be computed from the dimensionless fracture conductivity. However, calculating the proppant number used in UFD requires the fracture height as an input. The most convenient way to estimate fracture height to input to the UFD is to assume that the fracture height is restricted by stress contrast between the pay zone and over and under-lying layers. In other words, the fracture height is assumed to be constant, independent of net pressure and equal to the thickness of the layer which has the least minimum principal stress. However, in reality, the fracture may grow out from the target formation and the height of fracture is dependent on the net pressure during the treatment. Therefore, it is necessary to couple determination of the fracture height with determination of the other fracture parameters. In this research, equilibrium height theory is applied to rigorously determine the height of fracture. Solving the problem iteratively, it is possible to incorporate the rigorous fracture height determination into the unified fracture design.
Author : Arjun Ravikumar
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (1 download)
Download or read book Physical Optimization of Acid Fracturing with Unified Fracture Design written by Arjun Ravikumar and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Acid fracturing is a reservoir stimulation technique where a fracture is created by injection of acid into the reservoir instead of conventional proppant slurry. The acid causes differential etching on the fracture walls, creating asperities. These asperities hold up the fracture wall, thus contributing to fracture conductivity. Acid fracturing is used mainly to stimulate carbonate rock. This technique has certain advantages over conventional fracturing. There is no proppant used, therefore the risk of screenout is nullified. There are also logistic reasons such as transport of proppant, which might make acid fracturing a viable choice. Theoretically, acid fractures have infinite conductivity in these conduits. This is not always true in practice. In this work, a physical optimization of acid fracturing is performed by utilizing the Unified Fracture Design methodology (UFD, hereforth). Parametric studies are performed to study the dependency of productivity on various factors.
Author : Wenxin Wang
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (715 download)
Download or read book Methodologies and New User Interfaces to Optimize Hydraulic Fracturing Design and Evaluate Fracturing Performance for Gas Wells written by Wenxin Wang and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents and develops efficient and effective methodologies for optimal hydraulic fracture design and fracture performance evaluation. These methods incorporate algorithms that simultaneously optimize all of the treatment parameters while accounting for required constraints. Damage effects, such as closure stress, gel damage and non-Darcy flow, are also considered in the optimal design and evaluation algorithms. Two user-friendly program modules, which are active server page (ASP) based, were developed to implement the utility of the methodologies. Case analysis was executed to demonstrate the workflow of the two modules. Finally, to validate the results from the two modules, results were compared to those from a 3D simulation program. The main contributions of this work are: An optimal fracture design methodology called unified fracture design (UFD)is presented and damage effects are considered in the optimal design calculation. As a by-product of UFD, a fracture evaluation methodology is proposed to conduct well stimulation performance evaluation. The approach is based on calculating and comparing the actual dimensionless productivity index of fractured wells with the benchmark which has been developed for optimized production. To implement the fracture design and evaluation methods, two web ASP based user interfaces were developed; one is called Frac Design (Screening), and the other is Frac Evaluation. Both modules are built to hold the following features. Friendly web ASP based user interface Minimum user inputo Proppant type and mesh size selection- Damage effects consideration options- Convenient on-line help.
Author : Herbert F. Hardrath
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (233 download)
Download or read book A Unified Technology Plan for Fatigue and Fracture Design written by Herbert F. Hardrath and published by . This book was released on 1973 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Y Zee Ma
Publisher : Gulf Professional Publishing
ISBN 13 : 0128025360
Total Pages : 552 pages
Book Rating : 4.1/5 (28 download)
Download or read book Unconventional Oil and Gas Resources Handbook written by Y Zee Ma and published by Gulf Professional Publishing. This book was released on 2015-10-06 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unconventional Oil and Gas Resources Handbook: Evaluation and Development is a must-have, helpful handbook that brings a wealth of information to engineers and geoscientists. Bridging between subsurface and production, the handbook provides engineers and geoscientists with effective methodology to better define resources and reservoirs. Better reservoir knowledge and innovative technologies are making unconventional resources economically possible, and multidisciplinary approaches in evaluating these resources are critical to successful development. Unconventional Oil and Gas Resources Handbook takes this approach, covering a wide range of topics for developing these resources including exploration, evaluation, drilling, completion, and production. Topics include theory, methodology, and case histories and will help to improve the understanding,integrated evaluation, and effective development of unconventional resources. - Presents methods for a full development cycle of unconventional resources, from exploration through production - Explores multidisciplinary integrations for evaluation and development of unconventional resources and covers a broad range of reservoir characterization methods and development scenarios - Delivers balanced information with multiple contributors from both academia and industry - Provides case histories involving geological analysis, geomechanical analysis, reservoir modeling, hydraulic fracturing treatment, microseismic monitoring, well performance and refracturing for development of unconventional reservoirs
Author : Mei Yang
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (76 download)
Download or read book Hydraulic Fracture Optimization with a Pseudo-3D Model in Multi-layered Lithology written by Mei Yang and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydraulic Fracturing is a technique to accelerate production and enhance ultimate recovery of oil and gas while fracture geometry is an important aspect in hydraulic fracturing design and optimization. Systematic design procedures are available based on the so-called two-dimensional models (2D) focus on the optimization of fracture length and width, assuming one can estimate a value for fracture height, while so-called pseudo three dimensional (p-3D) models suitable for multi-layered reservoirs aim to maximize well production by optimizing fracture geometry, including fracture height, half-length and width at the end of the stimulation treatment. The proposed p-3D approach to design integrates four parts: 1) containment layers discretization to allow for a range of plausible fracture heights, 2) the Unified Fracture Design (UFD) model to calculate the fracture half-length and width, 3) the PKN or KGD models to predict hydraulic fracture geometry and the associated net pressure and other treatment parameters, and, finally, 4) Linear Elastic Fracture Mechanics (LEFM) to calculate fracture height. The aim is to find convergence of fracture height and net pressure. Net pressure distribution plays an important role when the fracture is propagating in the reservoir. In multi-layered reservoirs, the net pressure of each layer varies as a result of different rock properties. This study considers the contributions of all layers to the stress intensity factor at the fracture tips to find the final equilibrium height defined by the condition where the fracture toughness equals the calculated stress intensity factor based on LEFM. Other than maximizing production, another obvious application of this research is to prevent the fracture from propagating into unintended layers (i.e. gas cap and/or aquifer). Therefore, this study can aid fracture design by pointing out: (1) Treating pressure needed to optimize fracture geometry, (2) The containment top and bottom layers of a multi-layered reservoir, (3) The upwards and downwards growth of the fracture tip from the crack center.
Author : Enrique Castillo
Publisher : Springer Science & Business Media
ISBN 13 : 1402091826
Total Pages : 232 pages
Book Rating : 4.4/5 (2 download)
Download or read book A Unified Statistical Methodology for Modeling Fatigue Damage written by Enrique Castillo and published by Springer Science & Business Media. This book was released on 2009-02-27 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an attempt to provide a uni?ed methodology to derive models for fatigue life. This includes S-N, ?-N and crack propagation models. This is not a conventional book aimed at describing the fatigue fundamentals, but rather a book in which the basic models of the three main fatigue approaches, the stress-based, the strain-based and the fracture mechanics approaches, are contemplated from a novel and integrated point of view. On the other hand, as an alternative to the preferential attention paid to deterministic models based on the physical, phenomenological and empirical description of fatigue, their probabilistic nature is emphasized in this book, in which stochastic fatigue and crack growth models are presented. This book is the result of a long period of close collaborationbetween its two authors who, although of di?erent backgrounds, mathematical and mechanical, both have a strong sense of engineering with respect to the fatigue problem. When the authors of this book ?rst approached the fatigue ?eld in 1982 (twenty six years ago), they found the following scenario: 1. Linear, bilinear or trilinear models were frequently proposed by relevant laboratoriesandacademiccenterstoreproducetheW ̈ ohler?eld. Thiswas the case of well known institutions, which justi?ed these models based on clientrequirementsorpreferences. Thisledtotheinclusionofsuchmodels and methods as, for example, the up-and-down, in standards and o?cial practical directives (ASTM, Euronorm, etc.), which have proved to be unfortunate.
Author : Jinfeng Liu
Publisher : MDPI
ISBN 13 : 303897420X
Total Pages : 231 pages
Book Rating : 4.0/5 (389 download)
Download or read book New Directions on Model Predictive Control written by Jinfeng Liu and published by MDPI. This book was released on 2019-01-16 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "New Directions on Model Predictive Control" that was published in Mathematics
Author : Ahmed Alzahabi
Publisher : CRC Press
ISBN 13 : 1351618237
Total Pages : 262 pages
Book Rating : 4.3/5 (516 download)
Download or read book Optimization of Hydraulic Fracture Stages and Sequencing in Unconventional Formations written by Ahmed Alzahabi and published by CRC Press. This book was released on 2018-07-03 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: Shale gas and/or oil play identification is subject to many screening processes for characteristics such as porosity, permeability, and brittleness. Evaluating shale gas and/or oil reservoirs and identifying potential sweet spots (portions of the reservoir rock that have high-quality kerogen content and brittle rock) requires taking into consideration multiple rock, reservoir, and geological parameters that govern production. The early determination of sweet spots for well site selection and fracturing in shale reservoirs is a challenge for many operators. With this limitation in mind, Optimization of Hydraulic Fracture Stages and Sequencing in Unconventional Formations develops an approach to improve the industry’s ability to evaluate shale gas and oil plays and is structured to lead the reader from general shale oil and gas characteristics to detailed sweet-spot classifications. The approach uses a new candidate selection and evaluation algorithm and screening criteria based on key geomechanical, petrophysical, and geochemical parameters and indices to obtain results consistent with existing shale plays and gain insights on the best development strategies going forward. The work introduces new criteria that accurately guide the development process in unconventional reservoirs in addition to reducing uncertainty and cost.
Author : Michael J. Economides
Publisher : Pearson Education
ISBN 13 : 0137031580
Total Pages : 752 pages
Book Rating : 4.1/5 (37 download)
Download or read book Petroleum Production Systems written by Michael J. Economides and published by Pearson Education. This book was released on 2013 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by four leading experts, this edition thoroughly introduces today's modern principles of petroleum production systems development and operation, considering the combined behaviour of reservoirs, surface equipment, pipeline systems, and storage facilities. The authors address key issues including artificial lift, well diagnosis, matrix stimulation, hydraulic fracturing and sand control. They show how to optimise systems for diverse production schedules using queuing theory, as well as linear and dynamic programming. Throughout, they provide both best practices and rationales, fully illuminating the exploitation of unconventional oil and gas reservoirs. Updates include: Extensive new coverage of hydraulic fracturing, including high permeability fracturing New sand and water management techniques * An all-new chapter on Production Analysis New coverage of digital reservoirs and self-learning techniques New skin correlations and HW flow techniques
Author : Jia’en Lin
Publisher : Springer Nature
ISBN 13 : 981970264X
Total Pages : 1909 pages
Book Rating : 4.8/5 (197 download)
Download or read book Proceedings of the International Field Exploration and Development Conference 2023 written by Jia’en Lin and published by Springer Nature. This book was released on with total page 1909 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Cuong Ha-Minh
Publisher : Springer Nature
ISBN 13 : 981150802X
Total Pages : 1264 pages
Book Rating : 4.8/5 (115 download)
Download or read book CIGOS 2019, Innovation for Sustainable Infrastructure written by Cuong Ha-Minh and published by Springer Nature. This book was released on 2019-10-10 with total page 1264 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents selected articles from the 5th International Conference on Geotechnics, Civil Engineering Works and Structures, held in Ha Noi, focusing on the theme “Innovation for Sustainable Infrastructure”, aiming to not only raise awareness of the vital importance of sustainability in infrastructure development but to also highlight the essential roles of innovation and technology in planning and building sustainable infrastructure. It provides an international platform for researchers, practitioners, policymakers and entrepreneurs to present their recent advances and to exchange knowledge and experience on various topics related to the theme of “Innovation for Sustainable Infrastructure”.
Author : Mnaouar Chouchane
Publisher : Springer Nature
ISBN 13 : 3031650077
Total Pages : 533 pages
Book Rating : 4.0/5 (316 download)
Download or read book Design and Modeling of Mechanical Systems - VI written by Mnaouar Chouchane and published by Springer Nature. This book was released on with total page 533 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nasraldin Alarbi
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783847309901
Total Pages : 76 pages
Book Rating : 4.3/5 (99 download)
Download or read book Non-Darcy Flow and Multi-Phase Flow written by Nasraldin Alarbi and published by LAP Lambert Academic Publishing. This book was released on 2011-12 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydraulic fracturing has recently been the completion of choice for most tight gas formations. It has proven successful to produce these formations in a commercial manner. However, some considerations have to be taken into account when designing a fracture treatment. These considerations include, but not limited to, non-Darcy flow and multiphase flow effects inside the fracture. These effects reduce the fracture conductivity significantly. Failing to account for that results in overestimating the deliverability of the wells and, consequently, to designing a fracture treatment that is not optimum. In this book a thorough investigation of non-Darcy flow and multi-phase flow effects on the productivity of hydraulically fractured gas wells is conducted and an optimum fracture design is proposed for a tight gas formation in south Texas using the Unified Fracture Design (UFD) Technique to compensate for the mentioned effects by calculating the effective fracture permeability in an iterative way. A comparison between the UFD and the most well known 3D fracture simulators is also carried out to point out the differences as far as the methodology and design considerations.
Author : A. S. Krausz
Publisher : Elsevier
ISBN 13 : 008054343X
Total Pages : 479 pages
Book Rating : 4.0/5 (85 download)
Download or read book Unified Constitutive Laws of Plastic Deformation written by A. S. Krausz and published by Elsevier. This book was released on 1996-05-31 with total page 479 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-technology industries using plastic deformation demand soundly-based economical decisions in manufacturing design and product testing, and the unified constitutive laws of plastic deformation give researchers aguideline to use in making these decisions. This book provides extensive guidance in low cost manufacturing without the loss of product quality. Each highly detailed chapter of Unified Constitutive Laws of Plastic Deformation focuses on a distinct set of defining equations. Topics covered include anisotropic and viscoplastic flow, and the overall kinetics and thermodynamics of deformation. This important book deals with a prime topic in materials science and engineering, and will be of great use toboth researchers and graduate students. - Describes the theory and applications of the constitutive law of plastic deformation for materials testing - Examines the constitutive law of plastic deformation as it applies to process and product design - Includes a program on disk for the determination and development of the constitutive law of plastic deformation - Considers economical design and testing methods
Author : Xiuli Wang
Publisher : Elsevier
ISBN 13 : 0127999949
Total Pages : 401 pages
Book Rating : 4.1/5 (279 download)
Download or read book Advanced Natural Gas Engineering written by Xiuli Wang and published by Elsevier. This book was released on 2013-11-25 with total page 401 pages. Available in PDF, EPUB and Kindle. Book excerpt: Natural gas is playing an increasing role in meeting world energy demands because of its abundance, versatility, and its clean burning nature. As a result, lots of new gas exploration, field development and production activities are under way, especially in places where natural gas until recently was labeled as "stranded. Because a significant portion of natural gas reserves worldwide are located across bodies of water, gas transportation in the form of LNG or CNG becomes an issue as well. Finally natural gas is viewed in comparison to the recently touted alternatives. Therefore, there is a need to have a book covering all the unique aspects and challenges related to natural gas from the upstream to midstream and downstream. All these new issues have not been addressed in depth in any existing book. To bridge the gap, Xiuli Wang and Michael Economides have written a new book called Advanced Natural Gas Engineering. This book will serve as a reference for all engineers and professionals in the energy business. It can also be a textbook for students in petroleum and chemical engineering curricula and in training departments for a large group of companies.
