Conventional Wellhead Equipment
Tubing Hangers
DO-3 Tubing Hanger
- DO-3 threaded hanger has an integral compression-type annulus seal that is actuated by locking pins
- Extended seal neck with interference-type seals, isolates the tubing head/adapter connection from well pressure and provides for control line porting
- Available in extended seal neck or slick neck
DO-2 Hanger Couplings
- Hanger coupling with back pressure valve threads, can be ran through the BOP’s and landed on a DS-1 wraparound
- Provides complete pressure control while BOP’s are removed and the tree is installed
- Back pressure valve can be removed through the tree with appropriate service equipment
DS-1 Tubing Hanger
- Slick joint wraparound tubing hanger with a compression type seal
- Does not require a polished joint
- Holds pressure from both sides
DO-TCD Dual-Split Tubing Hanger
- DO-TCD dual hanger has an integral compression-type annulus seal that is actuated by locking pins
- Allows for multiple strings of tubing to be run and pulled separately
- Uses seal subs to seal in adapter that are interference-type seals
- DO-TCD Tubing head has aligning pins to properly align dual tubing hanger



