Cement retainer and setting tool assembly

Details Cement retainer and setting tool assembly Cement retainer and setting tool assembly

E - Fixed Constructions

21

B

166/17

E21B 33/14 (2006.01) E21B 23/06 (2006.01) E21B 33/129 (2006.01) E21B 34/12 (2006.01)

Patent

CA 1169758

CEMENT RETAINER AND SETTING TOOL ASSEMBLY Abstract of the Disclosure A well tool assembly comprising a drillable cement retainer and setting tool includes a connection between a setting-tool mandrel and a retainer mandrel allowing for opening and closing of a cement valve in the retainer without disconnecting the setting tool from the retainer. A releasable locking mechanism in the connection keeps a tubular connector between the setting-tool mandrel and the retainer mandrel locked against sliding relative to one of the mandrels prior to deploying an upper slip set of the cement retainer. Additionally, a carrier in the setting tool includes radially resilient lugs connected between the setting-tool mandrel and a retaining sleeve for the upper slip set for sliding upwardly on the setting-tool mandrel to carry the sleeve into an upper position releasing the upper slip set for deployment. A set lock in the retainer holds the retainer mandrel against movement downwardly once the retainer is anchored in the well.

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