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BB Circulating Bottom Sub-Assembly

Rebco BB Circulating Bottom Sub-Assemblies for use in BF Landing Nipple are to be used with Lock Mandrels (See Section XIV) ROTS, ROTW, ROTG, and ROTM with 'API' Cross Over Mandrel or Packing Mandrel and BB Seal Unit according to the Nominal Size.


Rebco BB Circulating Bottom Sub-Assemblies for use in BR Landing Nipple are to be used with Lock Mandrels (See Section XIV) ROTZ, and ROTK with 'API' Cross Over Mandrel or Packing Mandrel and BB Seal Unit according to the Nominal Size.

  • Circulating Bottom Sub-Assembly holds pressure from below while allowing circulation from above. It can be held open to bypass fluid while running and pulling.


  • Product Code: 21


NOTE: When ordering Specify Lock Mandrel Size and Type to be used with, and Material to suit Down-hole conditions/requirement.


For Part Numbers and Engineering Data see Section XVI - PLUG CHOKES

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