Wellhead & Christmas Tree

Wellhead & Christmas Tree

Wellhead & Christmas Tree

In petroleum and natural gas extraction, a Christmas tree is an assembly of valves, spools, and fittings used for an oil well, gas well, water injection well, water disposal well, gas injection well, condensate well and other types of wells. The wellhead equipment and Christmas Tree are important for oil exploration and they are composed of three parts: casing head, tubing head and Christmas Tree. The wellhead equipment is used to mount the wellhead, to connect the casing string at the wellhead, to seal and control circular space between the casing, to suspend the tubing, to control pressure at the wellhead and to regulate the flow rate of oil (gas) wells. When necessary, it can be used to close te well or in special operations such as compressive fracture and acidizing, water injection and testing.

AWALTEK can provide a full series of wellhead equipments and oil (gas) production products, of which the bore size ranges from 46mm to 179mm (1 13/16” ~7 1/16”), the rated working pressure ranges from 13.8MPa to 103.5MPa (2000 psi ~15000 psi), the material grade ranges from AA to HH and the product performance level ranges from PSL1 to PSL3G.

The gas production tree adopts PFF 78-105 gate valve and such products passed the PR2 performance certification test by the National Oil and Gas Wellhead Equipment Quality Supervision and Inspection Center, and they passed the certification by Det Norske Veritas (DNV).

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