Christmas Tree Wellhead

A wellhead is used without a christmas tree during drilling operations and also for riser tie back situations that later would have a tree installed at riser top.

Christmas tree wellhead. However a wellhead and christmas tree are entirely separate pieces of well equipment. Many times the words christmas tree and wellhead are used interchangeably. A wellhead must be present in order to utilize a christmas tree and is used without a christmas tree during drilling operations.

Tree complexity has increased over the last few decades. The christmas tree is installed on top of the wellhead. Producing surface wells that require pumps pump jacks nodding donkeys etc frequently do not utilize any tree due to no pressure containment requirement.

The shape of the wellhead structure with valves looks like a pine tree so the wellhead is called as christmas tree. Without a wellhead you cannot utilize a christmas tree. A wellhead must be present in order to utilize a christmas tree and is used without a christmas tree during drilling operations.

In petroleum and natural gas extraction a christmas tree or tree is an assembly of a multi valved structure consisting of valves spools and fittings used to control the flow of oil from the well. A wellhead is necessary to control the pressure during drilling and production. Wom s api certified wellhead equipment conforms to api guidelines and are thoroughly inspected by both first and third party inspectors before being delivered to the customer.