Definition(s)


Annular Preventer

A device, which can seal around any object in the well bore or upon itself. Compression of a reinforced elastomer packing element by hydraulic pressure effects the seal.

Source: API RP 59, Recommended Practice for Well Control Operations, Second Edition, May 2006. Global Standards

 

Annular Preventer

A device that can seal around any object in the wellbore or upon itself. Compression of a reinforced rubber/elastomer packing element by hydraulic pressure effects the seal.

Source: API RP 64, Recommended Practice for Diverter Systems Equipment and Operations, Second Edition, November 2001 (March 1, 2007). Global Standards

 

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