Christmas Tree

Christmas Tree

A Christmas Tree is a critical equipment of the completion string and production equipment. It is also referred as X-Mas Tree because its shape resembles to a Christmas tree during Christmas festival. It has a set of valves including a master valve and wing valve, a choke and connections and is installed on top of the tubing head spool of the wellhead.

Purpose of the Christmas tree is as follows:

  •          It provides a means to control the flow of production fluids from the well which serves as the primary purpose of this equipment.
     
  •          It diverts the fluid flow through the wing valve to the flow lines ensuring safety of the facilities.
     
  •          Provides a means for measurement tools and instruments an access to the well.
     
  •          Provides a means to inject chemicals or oil distillates to prevent or solve production problems such as blockages.
     
  •          Helps in controlling the gas or water injection into the well in order to maintain an economic production volumes.
     
  •          Tree acts as an attachment and conduit means of the control system to the downhole safety valve.

Christmas tree includes the following components:

  •          Tree cap and gauge
     
  •          Tree adapter
     
  •          Swab valve
     
  •          Kill wing valve
     
  •          Production wing valve
     
  •          Surface choke
     
  •          Master Valves (Upper and Lower master valves)
     
  •          Tubing head adapter
     
  •          Production string

 

The Christmas tree is operated either from a control room i.e. it is hydraulically actuated or it can be manually operated by rotating the handwheel of the valves attached to it.

 

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Sander Vroling

"We see ourselves as high pressure doctors and not as sellers."

Sander Vroling - Sales director
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