WELLHEAD CHRISTMAS TREES

Kingsa provides a full line of completion equipment and Christmas Trees to suit the tubing program. Completion components can be offered from low pressure conventional to severe service equipment.

  • Sizes: 2 1/16” through 9”
  • Trims available in material classes AA through HH.
  • Pressures: 2,000psi through 20,000psi




WELLHEAD CASING HEADS

The casing head is the first component to be set up on the surface casing string. The casing head supports the rest of the wellhead components and eventually, the tree.


CASING HEAD FUNCTIONS:

  • Attaches to the surface casing string providing a flange connection
  • Supports the blowout preventer while drilling for the next casing string
  • Allows for testing of the blowout preventer with test plug
  • Housing for casing hanger and seal assembly
  • Side outlets for annular access


MODELS AVAILABLE:

  • C-22 (no lock screws), C-22-BP (two lock screws, 180deg apart), C-22-L (full lock screws)
  • C-29 (no lock screws), C-29-BP (two lock screws, 180deg apart), C-29-L (full lock screws)


BOTTOM CONNECTION OPTIONS AVAILABLE:

  • Slip-On Weld with optional test seal
  • Casing Box Thread
  • Slip-Lock


SIDE OUTLET OPTIONS AVAILABLE:

  • Line Pipe Outlets
  • Studded Side Outlets
  • Extended Neck Flange Outlets




WELLHEAD CASING SPOOLS

The Casing Spool is assembled to the top of the Casing Head.


CASING SPOOL FUNCTIONS:

  • Attaches above the Casing Head and seals off the next casing string
  • Supports the blowout preventer while drilling
  • Allows for testing of the blowout preventer
  • Housing for casing hanger and seal assembly
  • Side outlets for annular access


MODELS AVAILABLE:

  • C-22 (no lock screws), C-22-BP (two lock screws, 180deg apart), C-22-L (full lock screws)
  • C-29 (no lock screws), C-29-BP (two lock screws, 180deg apart), C-29-L (full lock screws)




WELLHEAD CASING HANGERS

The Casing Hanger is designed to hang off the weight of the casing and provide an annulus seal.


CASING HANGER FUNCTIONS:

  • Supports the weight of the entire casing string
  • Provides annulus seal for casing


MODELS AVAILABLE:

  • C-21 (wrap-around with independent slips and radial energized seal, not for use with spools with lockscrews)
  • C-21-P (wrap-around with manual energized seal with cap screws, not for use with spools with lockscrews)
  • C-22 (wrap-around with weight set seal)
  • C-29 (wrap-around with weight set seal, increased hang off capacity)





WELLHEAD TUBING HEADS

The Tubing Head is assembled to the top of the Casing Head or Spool.


TUBING HEAD FUNCTIONS:

  • Attaches above the Casing Head or Spool and seals off the production casing
  • Supports the blowout preventer while the well is being completed
  • Allows for testing of the blowout preventer while drilling
  • Housing for tubing hanger and seal assembly and suspends the production tubing string
  • Integral lock screws hold down tubing hanger
  • Side outlets for annular access


MODELS AVAILABLE:

  • TC (single completions only)
  • TC-60 (three alignment pins for either single or dual completions)


SIDE OUTLET OPTIONS AVAILABLE:

  • Line Pipe Outlets
  • Studded Side Outlets


SECONDARY BOTTOM SEAL PREP TYPES:

  • PE bottom (Standard, for use with PE secondary seal bushing)
  • HPE (High pressure applications, for use with HPE secondary seal)





WELLHEAD TUBING HANGERS

The Tubing Hanger is designed to hang off the weight of the tubing and provide an annulus seal.


TUBING HEAD FUNCTIONS:

  • Supports the weight of the entire tubing string
  • Provides annulus seal between production casing and tubing
  • Includes prep for Back Pressure Valve (BPV) utilized during completions and de-completions for containing pressure in the tubing


MODELS AVAILABLE:

  • TC1W (Wrap around hanger)
  • TC1A and TC1B (Mandrel hanger with BPV prep)
  • TC1A-EN (Extended neck hanger with BPV prep/DHCV prep option)
  • TC1A-EN-DHCV (Extended neck hanger with BPV prep/continuous control line option)
  • TC2C (Dual completion hanger)
  • BO2 (Coupling with ACME thread)





WELLHEAD MULTI-BOWL SPOOLS

The Multi-bowl Spool is assembled to the top of the Casing Head and provides a time saving and safer alternative to conventional designs.


MULTI-BOWL SPOOL FUNCTIONS:

  • Attaches above the Casing Head
  • Supports the blowout preventer while drilling and completing
  • Single bore housing for supporting and sealing multiple hangers for casing or tubing
  • Side outlets for annular access
  • For usage with standard mandrel hangers and emergency slip hangers


ADVANTAGES:

  • Provides a time saving and safer alternative to conventional spools by allowing casing and tubing to be installed, landed, and sealed through the BOP stack