Well remediation using expandable cased-hole liners ///

This article briefly describes the technical concepts on which Solid Expandable Tubulars (SET) are based and gives an overview of their applications. The paper then focuses on two recent field installations in which cased-hole liners were used to help increase well productivity. Even with rapidly evolving technology, important issues that continue to challenge the oil and gas industry include conservation of hole size, hydraulic isolation of selected zones, maximization of well life and economic feasibility. Addressing these issues with conventional tubular technology became more difficult – especially in deep-drilling and extended-reach applications – in wells using liner hangers, and in aging wells containing deteriorating casing. SET, a revolutionary technology, successfully addresses these issues in commercial applications.

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