API 6A – C-22/C-29 Casing Heads

The C-22 / C-29 Casing Heads have a straight bore bowl with 45° landing shoulder design which avoids damage to sealing areas by drilling tools and prevents test plug and bowl protector wedging problems when pressure is applied.

C-22 / C-29 Casing Heads are normally furnished with threaded outlets and studded outlets are available upon request. Bottom connections can be furnished threaded or slip-on for welding.

C-29 Casing Heads are based on the same reliable design as the C-22 with exception that the bowl is longer, C-22 which permits the acceptance of the C-29 casing hanger with larger load capacity for deeper drilling.

  • Product Information
  • Versatile straight-bore design, uses a 45° landing shoulder
  • Accepts a wide variety of slip and mandrel casing hangers
  • C-22-BP/C-29-BP has a additional lock screws for Bowl protection.
  • C-22-L/C-29-L allows use of lock screws to retain hanger
  • 3 different types of outlets: Line pipe, Flanged (Studded) Padded and Extended flanged outlets.
  • Multiple bottom connections, such as: Slip-on weld Slip-on weld with O-ring, Threaded and Sure Lock

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