SPECIAL REPORT: BP, Baker run first expandable monobore liner extension system

In September 2006, BP and Baker Oil Tools achieved an industry milestone with the successful installation of the world’s first monobore expandable liner extension system, in a commercial well in BP’s Arkoma asset in southeast Oklahoma (Fig. 1). Prior to expansion, the linEXX assembly hangs in the derrick, as illustrated in this field trial application (Fig. 1).Click here to enlarge imageThe successful installation and expansion of 1,514 ft (461 m) of Baker’s 8-in. linEXX solid expandable system below the 9 5/8-in. parent casing proved the feasibility of solid expandable tubulars and enables operators to plan and drill deeper wells with larger hole sizes at the reservoir...

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