All casings with different sizes shall be fixed in head of well. The equipments employed for this connection are called wellhead equipments. In other word, wellhead is part of well that provide condition for casing hangers in well’s hard phase. Moreover, production casings, Christmas tree valves and outflow controlling valves are erected on this part.
- Wellhead equipments
- Wellhead completion system
- Gate valves
- Field services including erecting, repair and maintenance