Reamer shoe attachment for flexible casing shoe
AssigneeWWT North America Holdings, Inc.
InventorSarah Mitchell
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Abstract
A drillable reamer shoe having a reamer body and a nose section having a metallic cage containing a plurality of ceramic inserts made from silicon nitride or aluminum oxide. The drillable reamer shoe is positioned on an end of a flexible wellbore casing guide comprising a tubular body having a stiffness lower than a wellbore casing.
Claims20
A drillable reamer shoe having a reamer body and a nose section having a reamer bit comprising a metallic framework or cage containing a plurality of ceramic inserts.
A drillable reamer shoe having a reamer body having a nose section wherein the reamer body section is connected to a flexible casing guide comprising a tubular body configured to be positioned at an end of a wellbore casing having a lower stiffness than the wellbore casing, and wherein the nose section comprises a plurality of ceramic cutting inserts.
Dependencies are inferred from the claim text.