Managing Paraffin Wax Deposition Challenges In Deepwater Hydrocarbon Production Systems

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Managing Paraffin/Wax Deposition Challenges in Deepwater Hydrocarbon Production Systems

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Author : Keshawa Shukla
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (139 download)

Book Synopsis Managing Paraffin/Wax Deposition Challenges in Deepwater Hydrocarbon Production Systems by : Keshawa Shukla

Download or read book Managing Paraffin/Wax Deposition Challenges in Deepwater Hydrocarbon Production Systems written by Keshawa Shukla and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The prevention of solids formation and their deposition are major challenges to design and operate any subsea hydrocarbon production systems. One of the most challenging issues is the management of paraffin/wax. As the water depth increases, at the low temperatures of subsea conditions, hydrocarbons may precipitate as wax, which can solidify and restrict the flow. During shutdown of a subsea production system wax gel may form and solidify when a crude oil cools below its pour point causing operational problems from downhole to the processing facilities. The purpose of this chapter is to address the paraffin/wax formation and deposition issues to properly design a subsea production system consisting of pipe-in-pipe flowline and flexible riser under deepwater environment. A field specific example is presented to manage the wax formation/deposition and prevent paraffin/wax deposition risks in an effective way during the normal and the shut-in operations of the subsea production system. This study illustrates that the subsea hardware, such as water stop and equipment valves, along with the flowline, riser and jumper should be sufficiently insulated in order to prevent any cold spots in the production system, and achieve sufficient cooldown time for the shut-in operations.

Paraffin

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Author : Fathi Samir Soliman
Publisher : BoD – Books on Demand
ISBN 13 : 183880594X
Total Pages : 92 pages
Book Rating : 4.8/5 (388 download)

Book Synopsis Paraffin by : Fathi Samir Soliman

Download or read book Paraffin written by Fathi Samir Soliman and published by BoD – Books on Demand. This book was released on 2020-09-09 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: Paraffin waxes make up the majority of commercial waxes. Waxes are characterized by the carbon number, hardness, crystal shape, composition, and molecular weight. These characteristics determine the condition of separating the wax. Paraffin wax is widely used in different industries such as ink, paper, cosmetics, ceramics using powder injection molding and energy storage as phase change materials. Consumption of wax products has increased in the world; especially for food, pharmaceutical products, cosmetics, as well as specialty products. The increase of profitability of wax production will lie in the improvement of blending and modification techniques for macro and micro-crystalline waxes used as the base materials.

Wax Deposition

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Author : Zhenyu Huang
Publisher : CRC Press
ISBN 13 : 1466567678
Total Pages : 182 pages
Book Rating : 4.4/5 (665 download)

Book Synopsis Wax Deposition by : Zhenyu Huang

Download or read book Wax Deposition written by Zhenyu Huang and published by CRC Press. This book was released on 2016-03-09 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wax Deposition: Experimental Characterizations, Theoretical Modeling, and Field Practices covers the entire spectrum of knowledge on wax deposition. The book delivers a detailed description of the thermodynamic and transport theories for wax deposition modeling as well as a comprehensive review of laboratory testing for the establishment of appropr

Flow Assurance Solids in Oil and Gas Production

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Author : Jon Steinar Gudmundsson
Publisher : CRC Press
ISBN 13 : 1351733168
Total Pages : 620 pages
Book Rating : 4.3/5 (517 download)

Book Synopsis Flow Assurance Solids in Oil and Gas Production by : Jon Steinar Gudmundsson

Download or read book Flow Assurance Solids in Oil and Gas Production written by Jon Steinar Gudmundsson and published by CRC Press. This book was released on 2017-09-13 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt: The precipitation and deposition of solids are a major challenge in the production of oil and gas. Flow assurance solids are formed because of unavoidable changes in temperature, pressure and composition of the oil-gas-water flowstream, from reservoir conditions to processing conditions. The advent of subsea production and the increased exploitation of heavy crudes have made flow assurance issues dominant in ensuring efficient and safe exploitation of hydrocarbon assets. Five troublesome flow assurance solids are described in the book: asphaltene, paraffin wax, natural gas hydrate, naphthenate and inorganic scale. These big-five solids are presented in stand-alone chapters. Each chapter is designed to be readable without clutter. Derivations of equations and descriptions of supporting details are given in several appendices. The book is intended for professional engineers and natural scientist working in E&P companies, engineering companies, service companies and specialized companies. An understanding of the big-five solids is required throughout the lifetime of oil and gas assets, from early development to abandonment. The technical, safety and environmental risks associated with deposition problems in near-wellbore formations, production tubing, wellhead equipment, flowlines and processing facilities, are relevant for decisions in the oil and gas industry and in outside regulatory and financial entities.

Essentials of Flow Assurance Solids in Oil and Gas Operations

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Author : Abdullah Hussein
Publisher : Gulf Professional Publishing
ISBN 13 : 0323995918
Total Pages : 1124 pages
Book Rating : 4.3/5 (239 download)

Book Synopsis Essentials of Flow Assurance Solids in Oil and Gas Operations by : Abdullah Hussein

Download or read book Essentials of Flow Assurance Solids in Oil and Gas Operations written by Abdullah Hussein and published by Gulf Professional Publishing. This book was released on 2022-10-19 with total page 1124 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flow assurance solids deposition is one of the main challenges in oil and gas production operations with millions of dollars spent annually on their mitigation. Essentials of Flow Assurance Solids in Oil and Gas Operations works as an all-inclusive reference for engineers and researchers, covering all the different types of solids that are commonly encountered in oil and gas fields. Structured to flow through real-world operations, the reference branches through each solid deposit problem where the root causes are as well as modeling, monitoring, characterization, and management strategies, all comprehensively reviewed in the light of contemporary research breakthroughs. Backed by several field case studies, Essentials of Flow Assurance Solids in Oil and Gas Operations gives petroleum and reservoir engineers a resource to correlate between the theoretical fundamentals and field practical applications allowing for sustainable and optimal operations. - Provides the main operations of oil and gas fields, the characteristics of produced fluids, and the main flow assurance challenges - Furnishes the basic principles of deposits formation and mitigation, starting with a full investigation of the problems, then mechanisms, causes, predictions, modelling, and sample analysis, followed by management - Distinctively discusses the operational and environmental implications of flow assurance solids and their management using chemical and nonchemical methods - Teaches engineers through impactful visuals and data sets included in every chapter

Flow Assurance

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Author : Qiwei Wang
Publisher : Gulf Professional Publishing
ISBN 13 : 0128232587
Total Pages : 803 pages
Book Rating : 4.1/5 (282 download)

Book Synopsis Flow Assurance by : Qiwei Wang

Download or read book Flow Assurance written by Qiwei Wang and published by Gulf Professional Publishing. This book was released on 2022-06-25 with total page 803 pages. Available in PDF, EPUB and Kindle. Book excerpt: Petroleum engineers search through endless sources to understand oil and gas chemicals, find problems, and discover solutions while operations are becoming more unconventional and driving towards more sustainable practices. The Oil and Gas Chemistry Management Series brings an all-inclusive suite of tools to cover all the sectors of oil and gas chemicals from drilling to production, processing, storage, and transportation. The second reference in the series, Flow Assurance, delivers the critical chemical oilfield basics while also covering latest research developments and practical solutions. Organized by the type of problems and mitigation methods, this reference allows the engineer to fully understand how to effectively control chemistry issues, make sound decisions, and mitigate challenges ahead. Basics include root cause, model prediction and laboratory simulation of the major chemistry related challenges during oil and gas productions, while more advanced discussions cover the chemical and non-chemical mitigation strategies for more efficient, safe and sustainable operations. Supported by a list of contributing experts from both academia and industry, Flow Assurance brings a necessary reference to bridge petroleum chemistry operations from theory into safer and cost-effective practical applications. Offers full range of oilfield production chemistry issues, including chapters focused on hydrate and organic deposition control, liquid blockage mitigation, and abiotic and microbially influenced corrosion prevention Gain effective control on problems and mitigation strategies from industry list of experts and contributors Delivers both up to date research developments and practical applications, bridging between theory and practice

Tulsa University Paraffin Deposition Projects

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Author :
Publisher :
ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.:/5 (871 download)

Book Synopsis Tulsa University Paraffin Deposition Projects by :

Download or read book Tulsa University Paraffin Deposition Projects written by and published by . This book was released on 2004 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: As oil and gas production moves to deeper and colder water, subsea multiphase production systems become critical for economic feasibility. It will also become increasingly imperative to adequately identify the conditions for paraffin precipitation and predict paraffin deposition rates to optimize the design and operation of these multi-phase production systems. Although several oil companies have paraffin deposition predictive capabilities for single-phase oil flow, these predictive capabilities are not suitable for the multiphase flow conditions encountered in most flowlines and wellbores. For deepwater applications in the Gulf of Mexico, it is likely that multiphase production streams consisting of crude oil, produced water and gas will be transported in a single multiphase pipeline to minimize capital cost and complexity at the mudline. Existing single-phase (crude oil) paraffin deposition predictive tools are clearly inadequate to accurately design these pipelines, because they do not account for the second and third phases, namely, produced water and gas. The objective of this program is to utilize the current test facilities at The University of Tulsa, as well as member company expertise, to accomplish the following: enhance our understanding of paraffin deposition in single and two-phase (gas-oil) flows; conduct focused experiments to better understand various aspects of deposition physics; and, utilize knowledge gained from experimental modeling studies to enhance the computer programs developed in the previous JIP for predicting paraffin deposition in single and two-phase flow environments. These refined computer models will then be tested against field data from member company pipelines.

JPT. Journal of Petroleum Technology

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Author :
Publisher :
ISBN 13 :
Total Pages : 648 pages
Book Rating : 4.F/5 ( download)

Book Synopsis JPT. Journal of Petroleum Technology by :

Download or read book JPT. Journal of Petroleum Technology written by and published by . This book was released on 2009 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Hydrotreating and Hydrocracking Processes in Refining Technology

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Author : James G. Speight
Publisher : CRC Press
ISBN 13 : 1000957861
Total Pages : 307 pages
Book Rating : 4.0/5 (9 download)

Book Synopsis Hydrotreating and Hydrocracking Processes in Refining Technology by : James G. Speight

Download or read book Hydrotreating and Hydrocracking Processes in Refining Technology written by James G. Speight and published by CRC Press. This book was released on 2023-09-29 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by an industry expert with over 50 years of experience, this book details the various solvent processes that are used in crude oil refineries. Providing an in-depth exploration of the different types of processes, as well as the types of feedstocks that can be used with them, this book prepares readers for changes as the industry evolves. Key Features: Describes feedstock evaluation and the effects of elemental, chemical, and fractional composition. Contains an extensive glossary of all related concepts in hydrotreating and hydrocracking processes. Considers next-generation processes and developments. This book is an essential guide for engineers, scientists, and students in the field of petroleum processing and refining technology, including professionals, technicians, management personnel, and academics.

TULSA UNIVERSITY PARAFFIN DEPOSITION PROJECTS.

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Author : Michael Volk
Publisher :
ISBN 13 :
Total Pages : 103 pages
Book Rating : 4.:/5 (316 download)

Book Synopsis TULSA UNIVERSITY PARAFFIN DEPOSITION PROJECTS. by : Michael Volk

Download or read book TULSA UNIVERSITY PARAFFIN DEPOSITION PROJECTS. written by Michael Volk and published by . This book was released on 2003 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: As oil and gas production moves to deeper and colder water, subsea multiphase production systems become critical for economic feasibility. It will also become increasingly imperative to adequately identify the conditions for paraffin precipitation and predict paraffin deposition rates to optimize the design and operation of these multiphase production systems. Although several oil companies have paraffin deposition predictive capabilities for single-phase oil flow, these predictive capabilities are not suitable for the multiphase flow conditions encountered in most flowlines and wellbores. For deepwater applications in the Gulf of Mexico, it is likely that multiphase production streams consisting of crude oil, produced water and gas will be transported in a single multiphase pipeline to minimize capital cost and complexity at the mudline. Existing single-phase (crude oil) paraffin deposition predictive tools are clearly inadequate to accurately design these pipelines because they do not account for the second and third phases, namely, produced water and gas. The objective of this program is to utilize the current test facilities at The University of Tulsa, as well as member company expertise, to accomplish the following: enhance our understanding of paraffin deposition in single and two-phase (gas-oil) flows; conduct focused experiments to better understand various aspects of deposition physics; and, utilize knowledge gained from experimental modeling studies to enhance the computer programs developed in the previous JIP for predicting paraffin deposition in single and two-phase flow environments. These refined computer models will then be tested against field data from member company pipelines. The following deliverables are scheduled during the first three projects of the program: (1) Single-Phase Studies, with three different black oils, which will yield an enhanced computer code for predicting paraffin deposition in deepwater and surface pipelines. (2) Two-Phase Studies, with a focus on heat transfer and paraffin deposition at various pipe inclinations, which will be used to enhance the paraffin deposition code for gas-liquid flow in pipes. (3) Deposition Physics and Water Impact Studies, which will address the aging process, improve our ability to characterize paraffin deposits and enhance our understanding of the role water plays in paraffin deposition in deepwater pipelines. As in the previous two studies, knowledge gained in this suite of studies will be integrated into a state-of-the-art three-phase paraffin deposition computer program.

Thermal and Catalytic Processing in Petroleum Refining Operations

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Author : James G. Speight
Publisher : CRC Press
ISBN 13 : 1000860701
Total Pages : 351 pages
Book Rating : 4.0/5 (8 download)

Book Synopsis Thermal and Catalytic Processing in Petroleum Refining Operations by : James G. Speight

Download or read book Thermal and Catalytic Processing in Petroleum Refining Operations written by James G. Speight and published by CRC Press. This book was released on 2023-04-11 with total page 351 pages. Available in PDF, EPUB and Kindle. Book excerpt: Key Features: Describes feedstock evaluation and the effects of elemental, chemical and fractional composition. Details reactor types and bed types. Explores the process options and parameters involved. Assesses coke formation and additives. Considers next generation processes and developments.

Practical Aspects of Flow Assurance in the Petroleum Industry

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Author : Jitendra Sangwai
Publisher : CRC Press
ISBN 13 : 1000612651
Total Pages : 441 pages
Book Rating : 4.0/5 (6 download)

Book Synopsis Practical Aspects of Flow Assurance in the Petroleum Industry by : Jitendra Sangwai

Download or read book Practical Aspects of Flow Assurance in the Petroleum Industry written by Jitendra Sangwai and published by CRC Press. This book was released on 2022-07-07 with total page 441 pages. Available in PDF, EPUB and Kindle. Book excerpt: With easily accessible oil reserves dwindling, petroleum engineers must have a sound understanding of how to access technically challenging resources, especially in the deepwater environment. These technically challenging resources bring with them complexities around fluid flow not normally associated with conventional production systems, and engineers must be knowledgeable about navigating these complexities. Practical Aspects of Flow Assurance in the Petroleum Industry aims to provide practical guidance on all aspects of flow assurance to offer readers a ready reference on how to ensure uninterrupted transport of processed fluids throughout the flow infrastructure by covering all practical aspects of flow assurance, being written in such a way that any engineer dealing with the oil and gas industry will be able to understand the material, containing solved examples on most topics, placing equal emphasis on experimental techniques and modeling methods, and devoting an entire chapter to the analysis and interpretation of published case studies. With its balance of theory and practical applications, this work provides petroleum engineers from a variety of backgrounds with the information needed to maintain and enhance productivity.

Processing of Heavy Crude Oils

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Author : Ramasamy Marappa Gounder
Publisher :
ISBN 13 : 1839684097
Total Pages : 274 pages
Book Rating : 4.8/5 (396 download)

Book Synopsis Processing of Heavy Crude Oils by : Ramasamy Marappa Gounder

Download or read book Processing of Heavy Crude Oils written by Ramasamy Marappa Gounder and published by . This book was released on 2019-12-18 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Evaluation of Wax Deposition and Its Control During Production of Alaska North Slope Oils

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Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (727 download)

Book Synopsis Evaluation of Wax Deposition and Its Control During Production of Alaska North Slope Oils by :

Download or read book Evaluation of Wax Deposition and Its Control During Production of Alaska North Slope Oils written by and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to increasing oil demand, oil companies are moving into arctic environments and deep-water areas for oil production. In these regions of lower temperatures, wax deposits begin to form when the temperature in the wellbore falls below wax appearance temperature (WAT). This condition leads to reduced production rates and larger pressure drops. Wax problems in production wells are very costly due to production down time for removal of wax. Therefore, it is necessary to develop a solution to wax deposition. In order to develop a solution to wax deposition, it is essential to characterize the crude oil and study phase behavior properties. The main objective of this project was to characterize Alaskan North Slope crude oil and study the phase behavior, which was further used to develop a dynamic wax deposition model. This report summarizes the results of the various experimental studies. The subtasks completed during this study include measurement of density, molecular weight, viscosity, pour point, wax appearance temperature, wax content, rate of wax deposition using cold finger, compositional characterization of crude oil and wax obtained from wax content, gas-oil ratio, and phase behavior experiments including constant composition expansion and differential liberation. Also, included in this report is the development of a thermodynamic model to predict wax precipitation. From the experimental study of wax appearance temperature, it was found that wax can start to precipitate at temperatures as high as 40.6 C. The WAT obtained from cross-polar microscopy and viscometry was compared, and it was discovered that WAT from viscometry is overestimated. From the pour point experiment it was found that crude oil can cease to flow at a temperature of 12 C. From the experimental results of wax content, it is evident that the wax content in Alaskan North Slope crude oil can be as high as 28.57%. The highest gas-oil ratio for a live oil sample was observed to be 619.26 SCF/STB. The bubblepoint pressure for live oil samples varied between 1600 psi and 2100 psi. Wax precipitation is one of the most important phenomena in wax deposition and, hence, needs to be modeled. There are various models present in the literature. Won's model, which considers the wax phase as a non-ideal solution, and Pedersen's model, which considers the wax phase as an ideal solution, were compared. Comparison indicated that Pedersen's model gives better results, but the assumption of wax phase as an ideal solution is not realistic. Hence, Won's model was modified to consider different precipitation characteristics of the various constituents in the hydrocarbon fraction. The results obtained from the modified Won's model were compared with existing models, and it was found that predictions from the modified model are encouraging.

SPE Production & Operations

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Author :
Publisher :
ISBN 13 :
Total Pages : 384 pages
Book Rating : 4.F/5 ( download)

Book Synopsis SPE Production & Operations by :

Download or read book SPE Production & Operations written by and published by . This book was released on 2009 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Predicting Paraffin Wax Deposition and Its Prevention During Crude Oil Production in Malaysia

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Author : Ekeh Modesty Kelechukwu
Publisher :
ISBN 13 :
Total Pages : 160 pages
Book Rating : 4.:/5 (96 download)

Book Synopsis Predicting Paraffin Wax Deposition and Its Prevention During Crude Oil Production in Malaysia by : Ekeh Modesty Kelechukwu

Download or read book Predicting Paraffin Wax Deposition and Its Prevention During Crude Oil Production in Malaysia written by Ekeh Modesty Kelechukwu and published by . This book was released on 2010 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Mitigation of Paraffin Wax Deposition from Petroleum Wellbores and Pipelines

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Author : Omkar A. Jaripatke
Publisher :
ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.:/5 (45 download)

Book Synopsis Mitigation of Paraffin Wax Deposition from Petroleum Wellbores and Pipelines by : Omkar A. Jaripatke

Download or read book Mitigation of Paraffin Wax Deposition from Petroleum Wellbores and Pipelines written by Omkar A. Jaripatke and published by . This book was released on 2000 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: