Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 30, 2021
Patent Application Number
15574409
Date Filed
May 26, 2016
Patent Citations Received
Patent Primary Examiner
Patent abstract
Methods and apparatus are provided for cementing a liner. In one embodiment, the method includes releasing a dart behind a cement; landing the dart in an activation seat; increasing pressure to activate a liner hanger; further increasing pressure to release the dart from the activation seat; landing the dart in a plug; and increasing pressure to release the dart and the plug. In one embodiment, releasing the dart from the activation seat comprises deforming the dart.
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