Improving the Fatigue Performance of SCRs via a Special Touchdown Zone Pipe Section
EVENT: OTC
1 May 2017
A special section of seamless pipe machined on the inside and outside to have upset ends is used at the touchdown zone of a 20in oil export steel catenary riser (SCR) in order to improve the fatigue life. This paper covers the drivers for the choice of this special section, procurement, management of challenges, and lessons learned. The chain of supply (pipe, machining, coating, welding, and fatigue testing) involved several suppliers across several countries posing another challenge.
Author
Ricky Thethi
Global Director, UK
About
Ricky is a Global Director based in 2H's London office having relocated from Houston in 2019 after spending almost 20 years in 2H’s Houston office as part of the management team.
Ricky is responsible for globalising the company’s integrity engineering capability and business across all of its offices in both the oil and gas and offshore wind sectors. One of his current focuses is digital transformation, including the use of machine learning and automation technology to improve the speed and accuracy of structural analysis, integrity monitoring and life extension.
Ricky obtained his degree in civil engineering with first-class honours from the University of Surrey in the UK, and is a fellow and Chartered Marine Engineer of the Institute of Marine Engineering, Science and Technology.
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