|About this Abstract
||Materials Science & Technology 2012
||Surface Protection for Enhanced Materials Performance: Science, Technology and Applications
||Microcrystalline to Nanostructured Surface Coatings for Enhanced Material Performance in HPHT Corrosive Downstream Environments
||Indranil Roy, Manuel Marya, Rejanah V. Steward, Xiahong Ren, Rashmi Bhavsar, Kuo-Chiang Chen, Xinghang Zhang, James C. Earthman, Farghalli Mohamed
|On-Site Speaker (Planned)
The rising energy demand and our depleting hydrocarbon reserves have led to oilfield operations being conducted in extreme hostile environments. Conventional microcrystalline coatings and surface treatments are constrained in their capabilities to provide adequate protection to exposed metal surfaces from downhole corrosive fluids and also achieve system multi-functionality as desired. Nanocrystalline (nc) and ultrafine grained (UFG) metals and alloys are known to frequently outperform their coarse grained microcrystalline counterparts due to superior strength, wear and corrosion resistance. However, the performance of nc/UFG metals as bulk material and coatings for engineering applications in hostile environments are less understood. In this presentation, technological advancements in harnessing grain-refined materials as functional coatings and surface treatments to survive extremes of temperature, pressure and corrosive fluids in the oil and gas industry are highlighted. Thermodynamics of downhole phases, their interactions with deployed stressed metallurgy and coatings including conceptual laboratory assessment tests will be discussed.