Patent
Corrodible downhole article and method of removing the article from downhole environment
Oleg A. Mazyar,Matthew T. Mccoy +1 more
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TLDR
In this paper, a method of removing a corrodible downhole article having a surface coating includes eroding the surface coating by physical abrasion, chemical etching, or a combination of physical abrasions and chemical etches, the surface covering comprising a metallic layer of a metal resistant to corrosion by a corrosive material.Abstract:
A method of removing a corrodible downhole article having a surface coating includes eroding the surface coating by physical abrasion, chemical etching, or a combination of physical abrasion and chemical etching, the surface coating comprising a metallic layer of a metal resistant to corrosion by a corrosive material.read more
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Patent
Method of controlling corrosion rate in downhole article, and downhole article having controlled corrosion rate
TL;DR: In this paper, a method for removing a downhole assembly in the presence of an electrolyte was proposed. But the method was not suitable for the case where at least a portion of the first article is corroded in the electrolyte.
Patent
Nanomatrix powder metal compact
Zhiyue Xu,Gaurav Agrawal +1 more
TL;DR: The nanomatrix powder metal compacts are uniquely lightweight, high strength materials that also provide uniquely selectable and controllable corrosion properties, including very rapid corrosion rates, useful for making a wide variety of degradable or disposable articles, including various downhole tools and components as discussed by the authors.
Patent
Coated metallic powder and method of making the same
TL;DR: In this article, a metallic powder is disclosed and a plurality of metallic powder particles are configured for solid-state sintering to one another at a predetermined sinting temperature (TS).
Patent
Engineered powder compact composite material
Zhiyue Xu,Gaurav Agrawal +1 more
TL;DR: In this article, an engineered dispersed particle-cellular nanomatrix composite material is configured for contact with a fluid and configured to provide a selectable and controllable transition from one of a first strength condition to a second strength condition that is lower than a functional strength threshold, as a function of a time in contact with the fluid.
Patent
Methods of removing a wellbore isolation device using galvanic corrosion
TL;DR: A wellbore isolation device is a device that is capable of dissolving when an electrically conductive path exists between the first material and a second material and at least a portion of the first and second materials are in contact with an electrolyte, wherein the second material is a metal or metal alloy as discussed by the authors.
References
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Book
Binary alloy phase diagrams
TL;DR: Binary Alloy Phase Diagrams, Second Edition, Plus Updates, on CD-ROM offers you the same high-quality, reliable data you'll find in the 3-volume print set published by ASM in 1990.
Book
Materials Science and Engineering: An Introduction
TL;DR: In this paper, the International System of Units (SI) is used to measure the properties of materials and their properties in the context of materials science and engineering, including properties of metal alloys.
Journal ArticleDOI
Protective coatings on magnesium and its alloys — a critical review
J.E. Gray,B. Luan +1 more
TL;DR: In this paper, the state of the art in coating and surface modification technologies, applied to magnesium-based substrates for improved corrosion and wear resistance, are discussed, including electrochemical plating, conversion coatings, anodizing, gas phase deposition processes, laser surface alloying/cladding and organic coatings.
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Corrosion mechanisms of magnesium alloys
Guang-Ling Song,Andrej Atrens +1 more
TL;DR: In this paper, a detailed review of the corrosion mechanisms of magnesium alloys is presented, and the basis for the design of new alloys with improved corrosion properties is provided for improving the corrosion properties.
Patent
Three-dimensional printing techniques
TL;DR: In this article, a process for making a component by depositing a first layer of a powder material in a confined region and then depositing binder material to selected regions of the layer of powder material to produce a layer of bonded powder material at the selected regions.