API 6A Wellhead casing spool
API 6A Wellhead casing spool
API 6A Wellhead casing spool Product introduction
China API 6A Welllhead casing spool manufacturer, factory and supplier, API 6A Wellhead casing spool has a top bowl to accommodate the casing hanger. API 6A Wellhead casing spool also has a bottom bowl with a packoff seal and a flange or clamp hub for mounting it on top of a casing head or previous spool. Outlets are provided for annular access. Multiple casing spools may be stacked to hang intermediate and production casing strings.
API 6A Wellhead casing spool Functions
◆ Provides a load shoulder in the top bowl to support a casing hanger.
◆ Provides a controlled bore in the top bowl for the casing hanger seal.
◆ Provides a seal in the bottom bowl to pack off the previous casing string and isolate flange or clamp hub seals internal casing pressure.ovides side outlets for annular access.
◆ Provides a port for pressure-testing casing seals and flange connections.
◆ Provides for supporting and testing BOPs while drilling.
◆ Provides retention for bowl protector while drilling.
C-22
API 6A Wellhead casing spool Features
◆ Has a straight bowl.
◆ Accepts C-21 nonautomatic-sealing casing hanger w/type H seal ring,
C-22/C-122 automaticsealing casing hanger.
◆ C-22-BP-ET has bowl-protector lockdown screws in the top flange.
◆ C-22 eliminates the need for lockdown screws to retain bowl protectors.
◆ Accepts Surface Wellhead C-22 BOP test plugs.
◆ Bottom bowl preparations available are:
-S/FS-BG Seal Bushing-Integral FS seal
-FS-BG bushing-PI pressure-intensified seal
-SBMS II metal-to-metal seal-RCMS (Rough Casing Metal Seal)
◆ Is available with threaded, studded or flanged outlets. API 6A Wellhead casing spool Benefits
◆ Straight bowl prevents protectors, casing hangers and test plugs.
◆ C22-EG reduces number of leak paths, lowers cost and increases safety.
C-29
API 6A Wellhead casing spool Features
◆ Offers same features as industry-standard C-22, with the exception of the EG option.
◆ C-29-ET has multiple lockdown screws in top-flange which retain the hanger and can be usedto energize the hanger packoff seal.
◆ Bottom bowl preparations available are:
-S/FS-BG Seal Bushing-Integral Single or Double FS seal
-FS-BG bushing-PI pressure-intensified seal
-SBMS II metal-to-metal seal-RCMS (Rough Casing Metal Seal)
API 6A Wellhead casing spool Benefits
◆ Deeper bowl accepts C-29/C-129/C-229/C121-S extreme-load casing hangers in addition to other Surface Wellhead casing hangers.
◆ The lockdown screws of the C-29-ET can also be used as bowl-protector hold-down screws.
API 6A Wellhead casing spool Technical parameters
API 6A Wellhead casing spool Main part material
API 6A Wellhead casing spool Related Products
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