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DTS is pioneering the integration of next generation casing-drilling and expandable tubulars through a new technology called CFEX©. The self-expanding CFEX© performs CwD, expansion, and wellbore sealing functions, while solving the current reliability, strength, and cost issues of each field. CFEX© tubulars are resilient to drilling stresses, thereby maintaining capabilities to expand high-strength steels in all types of oil, gas, and unconventional well applications. Innovative, elastic-expansion processes enable high amounts of radial growth, even when expanding heavy-weight drilling assemblies. Expansion ratios of 200% and 10,000-psi pressure ratings are only two of many new major technical capabilities being brought to the drilling and production industries. Field trials begin in 2007. Please view our web pages for complete information.
 

High-Ratio, Elastic-Phase Tubular Expansion—Hart E&P Techwatch
Only in the last decade have increased activity in deepwater and inflated service costs led to aggressive development of expandable tubulars which promised to address major drilling problems…>> Full Article PDF
 
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