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Lost Circulation

Lost Circulation
  • Author : Alexandre Lavrov
  • Publisher :Unknown
  • Release Date :2016-03-16
  • Total pages :264
  • ISBN : 9780128039410
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Summary : Lost Circulation: Mechanisms and Solutions provides the latest information on a long-existing problem for drilling and cementing engineers that can cause improper drilling conditions, safety risks, and annual losses of millions of wasted dollars for oil and gas companies. While several conferences have convened on the topic, this book is the first reliable reference to provide a well-rounded, unbiased approach on the fundamental causes of lost circulation, how to diagnose it in the well, and how to treat and prevent it in future well planning operations. As today’s drilling operations become more complex, and include situations such as sub-salt formations, deepwater wells with losses caused by cooling, and more depleted reservoirs with reduced in-situ stresses, this book provides critical content on the current state of the industry that includes a breakdown of basics on stresses and fractures and how drilling fluids work in the wellbore. The book then covers the more practical issues caused by induced fractures, such as how to understand where the losses are occurring and how to use proven preventative measures such as wellbore strengthening and the effect of base fluid on lost circulation performance. Supported by realistic case studies, this book separates the many myths from the known facts, equipping today’s drilling and cementing engineer with a go-to solution for every day well challenges. Understand the processes, challenges and solutions involved in lost circulation, a critical problem in drilling Gain a balance between fundamental understanding and practical application through real-world case studies Succeed in solving lost circulation in today’s operations such as wells involving casing drilling, deepwater, and managed pressure drilling

Lost Circulation

Lost Circulation
  • Author : Joseph U. Messenger
  • Publisher :Unknown
  • Release Date :1981
  • Total pages :112
  • ISBN : STANFORD:36105032676954
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Summary :

Lost Circulation and Wellbore Strengthening

Lost Circulation and Wellbore Strengthening
  • Author : Yongcun Feng,K. E. Gray
  • Publisher :Unknown
  • Release Date :2018-05-01
  • Total pages :82
  • ISBN : 9783319894355
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Summary : This book focuses on the underlying mechanisms of lost circulation and wellbore strengthening, presenting a comprehensive, yet concise, overview of the fundamental studies on lost circulation and wellbore strengthening in the oil and gas industry, as well as a detailed discussion on the limitations of the wellbore strengthening methods currently used in industry. It provides several advanced analytical and numerical models for lost circulation and wellbore strengthening simulations under realistic conditions, as well as their results to illustrate the capabilities of the models and to investigate the influences of key parameters. In addition, experimental results are provided for a better understanding of the subject. The book provides useful information for drilling and completion engineers wishing to solve the problem of lost circulation using wellbore strengthening techniques. It is also a valuable resource for industrial researchers and graduate students pursuing fundamental research on lost circulation and wellbore strengthening, and can be used as a supplementary reference for college courses, such as drilling and completion engineering and petroleum geomechanics.

Lost Circulation and Wellbore Strengthening

Lost Circulation and Wellbore Strengthening
  • Author : Yongcun Feng,K. E. Gray
  • Publisher :Unknown
  • Release Date :2018-05-01
  • Total pages :82
  • ISBN : 9783319894355
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Summary : This book focuses on the underlying mechanisms of lost circulation and wellbore strengthening, presenting a comprehensive, yet concise, overview of the fundamental studies on lost circulation and wellbore strengthening in the oil and gas industry, as well as a detailed discussion on the limitations of the wellbore strengthening methods currently used in industry. It provides several advanced analytical and numerical models for lost circulation and wellbore strengthening simulations under realistic conditions, as well as their results to illustrate the capabilities of the models and to investigate the influences of key parameters. In addition, experimental results are provided for a better understanding of the subject. The book provides useful information for drilling and completion engineers wishing to solve the problem of lost circulation using wellbore strengthening techniques. It is also a valuable resource for industrial researchers and graduate students pursuing fundamental research on lost circulation and wellbore strengthening, and can be used as a supplementary reference for college courses, such as drilling and completion engineering and petroleum geomechanics.

Petroleum Abstracts

Petroleum Abstracts
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :1991-04
  • Total pages :229
  • ISBN : STANFORD:36105006127554
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Summary :

Annual Message of the Governor of Wisconsin Delivered to the Legislature in Joint Convention, ... Together with the Annual Reports of the State Officers, for the Fiscal Year Ending ...

Annual Message of the Governor of Wisconsin Delivered to the Legislature in Joint Convention, ... Together with the Annual Reports of the State Officers, for the Fiscal Year Ending ...
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :1867
  • Total pages :229
  • ISBN : NYPL:33433014937886
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Summary :

The Cerebral Circulation

The Cerebral Circulation
  • Author : Marilyn J. Cipolla
  • Publisher :Unknown
  • Release Date :2016-07-28
  • Total pages :80
  • ISBN : 9781615047239
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Summary : This e-book will review special features of the cerebral circulation and how they contribute to the physiology of the brain. It describes structural and functional properties of the cerebral circulation that are unique to the brain, an organ with high metabolic demands and the need for tight water and ion homeostasis. Autoregulation is pronounced in the brain, with myogenic, metabolic and neurogenic mechanisms contributing to maintain relatively constant blood flow during both increases and decreases in pressure. In addition, unlike peripheral organs where the majority of vascular resistance resides in small arteries and arterioles, large extracranial and intracranial arteries contribute significantly to vascular resistance in the brain. The prominent role of large arteries in cerebrovascular resistance helps maintain blood flow and protect downstream vessels during changes in perfusion pressure. The cerebral endothelium is also unique in that its barrier properties are in some way more like epithelium than endothelium in the periphery. The cerebral endothelium, known as the blood-brain barrier, has specialized tight junctions that do not allow ions to pass freely and has very low hydraulic conductivity and transcellular transport. This special configuration modifies Starling's forces in the brain microcirculation such that ions retained in the vascular lumen oppose water movement due to hydrostatic pressure. Tight water regulation is necessary in the brain because it has limited capacity for expansion within the skull. Increased intracranial pressure due to vasogenic edema can cause severe neurologic complications and death.

Lost Circulation for the Man on the Rig

Lost Circulation for the Man on the Rig
  • Author : William J. Murchison,Murchison Drilling Schools
  • Publisher :Unknown
  • Release Date :2006-02-01
  • Total pages :182
  • ISBN : 0991637100
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Summary :

A Comprehensive Analysis of Lost Circulation Materials and Treatments with Applications in Basra's Oil Fields, Iraq

A Comprehensive Analysis of Lost Circulation Materials and Treatments with Applications in Basra's Oil Fields, Iraq
  • Author : Husam Hasan Alkinani
  • Publisher :Unknown
  • Release Date :2017
  • Total pages :144
  • ISBN : OCLC:1105559317
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Summary : "Lost circulation materials (LCM's) have been widely used to avoid or stop losses. Due to a large number of current available LCM's and their different applications, classification of LCM's is very important. The most recent LCM classification was published around 50 years ago, and this paper intends to fill this gap with an updated classification including conventional and new technologies. Lost circulation materials and treatments are re-classified into various categories based on their appearance, applications, chemical and physical properties. Wells in Basra's oil fields are highly susceptible to lost circulation problems when drilling through the Dammam, Hartha, and Shuaiba formations. This paper discusses the most recent treatments, which are used in Basra's fields with integrated analysis and updated classification. In addition, the best lost circulation strategy of remedies will be presented to mitigate or stop this problem. Sometimes it is difficult to regulate mud losses by using conventional lost circulation materials. Also, the cost of these materials are expensive, so it is important to find techniques and mechanism to live with some degree of losses. This work will also demonstrate methods that were used to ameliorate lost circulation without the use of lost circulation materials like liner hanger and casing-while-drilling, floating mud cap drilling, aerated mud, foam, air or mist with cases histories in Basra's fields. This paper discusses the most recent developments in lost circulation materials and treatments, in addition to the presentation of a comprehensive summary of today's available LCM's, treatments and alternative approaches with their applications"--Abstract, page iv.

Oilwell Drilling Engineering : Principles and Practice

Oilwell Drilling Engineering : Principles and Practice
  • Author : H. Rabia
  • Publisher :Unknown
  • Release Date :1985
  • Total pages :322
  • ISBN : UCSD:31822002317246
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Summary :

Composition and Properties of Oil Well Drilling Fluids

Composition and Properties of Oil Well Drilling Fluids
  • Author : Walter Francis Rogers
  • Publisher :Unknown
  • Release Date :1953
  • Total pages :676
  • ISBN : UIUC:30112008335397
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Summary :

Underbalanced Drilling: Limits and Extremes

Underbalanced Drilling: Limits and Extremes
  • Author : Bill Rehm,Arash Haghshenas,Amir Saman Paknejad,Abdullah Al-Yami,Jim Hughes
  • Publisher :Unknown
  • Release Date :2013-11-25
  • Total pages :629
  • ISBN : 9780127999807
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Summary : The present crude oil and natural gas reservoirs around the world have depleted conventional production levels. To continue enhancing productivity for the remaining mature reservoirs, drilling decision-makers could no longer rely on traditional balanced or overbalanced methods of drilling. Derived from conventional air drilling, underbalanced drilling is increasingly necessary to meet today’s energy and drilling needs. While more costly and extreme, underbalanced drilling can minimize pressure within the formation, increase drilling rate of penetration, reduce formation damage and lost circulation, making mature reservoirs once again viable and more productive. To further explain this essential drilling procedure, Bill Rehm, an experienced legend in drilling along with his co-editors, has compiled a handbook perfect for the drilling supervisor. Underbalanced Drilling: Limits and Extremes, written under the auspices of the IADC Technical Publications Committee, contain many great features and contributions including: Real case studies shared by major service companies to give the reader guidelines on what might happen in actual operations Questions and answers at the end of the chapters for upcoming engineers to test their knowledge Common procedures, typical and special equipment involved, and most importantly, the limits and challenges that still surround this technology

World Oil

World Oil
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :1984-05
  • Total pages :229
  • ISBN : STANFORD:36105007674596
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Summary :

Numerical Investigation of Lost Circulation and Fracture Resistance Enhancement Mechanism

Numerical Investigation of Lost Circulation and Fracture Resistance Enhancement Mechanism
  • Author : Peidong Zhao
  • Publisher :Unknown
  • Release Date :2016
  • Total pages :204
  • ISBN : OCLC:1083784050
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Summary : Drilling in complex geological settings often possesses significant risk for unplanned events that potentially intensify the economic problem of cost-demanding operations. Lost circulation, a major challenge in well construction operations, refers to the loss of drilling fluid into formation during drilling operations. Over years of research effort and field practices, wellbore strengthening techniques have been successfully applied in the field to mitigate lost circulation and have proved effective in extending the drilling mud weight margin to access undrillable formations. In fact, wellbore strengthening contributes additional resistance to fractures so that an equivalent circulating density higher than the conventionally estimated fracture gradient can be exerted on the wellbore. Therefore, wellbore strengthening techniques artificially elevate the upper limit of the mud weight window. Wellbore strengthening techniques have seen profound advancement in the last 20 years. Several proposed wellbore strengthening models have contributed considerable knowledge for the drilling community to mitigate lost circulation. However, in each of these models, wellbore strengthening is uniquely explained as a different concept, with supporting mathematical models, experimental validation, and field best practices. Due to simplifications of the mathematical models, the limited scale of experiments, and insufficient validation of field observations, investigating the fundamental mechanisms of wellbore strengthening has been an active and controversial topic within the industry. Nevertheless, lost circulation is undoubtedly induced by tensile failure or reopening of natural fractures when excessive wellbore pressure appears. In this thesis, a fully coupled hydraulic fracturing model is developed using Abaqus Standard. By implementing this numerical model, an extensive parametric study on lost circulation is performed to investigate mechanical behaviors of the wellbore and the induced fracture under various rock properties and bottomhole conditions. Based on the fracture analysis, a novel approach to simulate the fracture sealing effect of wellbore strengthening is developed, along with a workflow quantifying fracture gradient extension for drilling operations. A case study on fracture sealing is performed to investigate the role of sealing permeability and sealing length. The results described in this thesis indicate the feasibility of hoop stress enhancement, detail the mechanism of fracture resistance enhancement, and provide insights for lost circulation mitigation and wellbore strengthening treatment.

Composition and Properties of Drilling and Completion Fluids

Composition and Properties of Drilling and Completion Fluids
  • Author : Ryen Caenn,HCH Darley,George R. Gray
  • Publisher :Unknown
  • Release Date :2011-09-29
  • Total pages :720
  • ISBN : 9780123838599
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Summary : The petroleum industry in general has been dominated by engineers and production specialists. The upstream segment of the industry is dominated by drilling/completion engineers. Usually, neither of those disciplines have a great deal of training in the chemistry aspects of drilling and completing a well prior to its going on production. The chemistry of drilling fluids and completion fluids have a profound effect on the success of a well. For example, historically the drilling fluid costs to drill a well have averaged around 7% of the overall cost of the well, before completion. The successful delivery of up to 100% of that wellbore, in many cases may be attributable to the fluid used. Considered the "bible" of the industry, Composition and Properties of Drilling and Completion Fluids, first written by Walter Rogers in 1948, and updated on a regular basis thereafter, is a key tool to achieving successful delivery of the wellbore. In its Sixth Edition, Composition and Properties of Drilling and Completion Fluids has been updated and revised to incorporate new information on technology, economic, and political issues that have impacted the use of fluids to drill and complete oil and gas wells. With updated content on Completion Fluids and Reservoir Drilling Fluids, Health, Safety & Environment, Drilling Fluid Systems and Products, new fluid systems and additives from both chemical and engineering perspectives, Wellbore Stability, adding the new R&D on water-based muds, and with increased content on Equipment and Procedures for Evaluating Drilling Fluid Performance in light of the advent of digital technology and better manufacturing techniques, Composition and Properties of Drilling and Completion Fluids has been thoroughly updated to meet the drilling and completion engineer's needs. Explains a myriad of new products and fluid systems Cover the newest API/SI standards New R&D on water-based muds New emphases on Health, Safety & Environment New Chapter on waste management and disposal

Proceedings

Proceedings
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :1984
  • Total pages :229
  • ISBN : STANFORD:36105032802030
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Summary :

Geothermal Energy

Geothermal Energy
  • Author : Geothermal Resources Council. Meeting
  • Publisher :Unknown
  • Release Date :1986
  • Total pages :499
  • ISBN : STANFORD:36105032502192
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Summary :

The Oil and Gas Journal

The Oil and Gas Journal
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :1980
  • Total pages :229
  • ISBN : NWU:35556015428394
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Summary :

Drilling and Production Practice

Drilling and Production Practice
  • Author : American Petroleum Institute,American Petroleum Institute. Central Committee on Drilling and Production Practice
  • Publisher :Unknown
  • Release Date :1935
  • Total pages :229
  • ISBN : UOM:39015020151810
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Summary : Papers on drilling and production practice, selected by the Program Committee of the American Petroleum Institute's Central Committee on Drilling and Production Practices, from the papers delivered at national or district meetings of the Division of Production.

Geothermal Energy for the Americas

Geothermal Energy for the Americas
  • Author : Geothermal Resources Council. Annual Meeting,Geothermal Resources Council
  • Publisher :Unknown
  • Release Date :2001
  • Total pages :752
  • ISBN : STANFORD:36105025358586
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Summary :

Australian Studies in Journalism

Australian Studies in Journalism
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :2000
  • Total pages :229
  • ISBN : OSU:32435066577297
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Summary :