Emergency Backout Sub

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Emergency Backout Subs are unique casing tools that provide a means to disconnect from, and reconnect to, a casing string downhole. The use of Emergency Backout Subs in a casing string eliminates the need for casing cutters and casing patches

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Emergency Backout Sub

Introduced to the industry by Dril-Quip, Emergency Backout Subs are unique casing tools that provide a means to disconnect from, and reconnect to, a casing string downhole. This use of Emergency Backout Subs eliminates the need for casing cutters and casing patches. In addition to being useful in stuck casing situations, Emergency Backout Subs can be used in repairing damaged casing, allowing the operator to bring a producing well back on line.

The LS-15 Liner Hanger System features field-proven technology that incorporates the following:

Reliable, trouble-free operation
Metal-to-metal sealing with resilient backup seals between the Backout Sub and the Running Tool, and between the Stab-In Tie-Back Running Tool and the Type RF Tie-Back Running Tool
Backout Sub sealing system maintains pressure capacity equal to the casing string
Computer analyzed for strength, pressure capacity and pressure integrity equal to the casing string
Sized to be compatible with standard casing programs
Available for standard or H2S service
Field-proven performance