In this section, it will describe about a surface Christmas tree (Dry Tree) which is referred to as any Christmas tree used above water level. Provide electrical interface for instrumentation and electrical equipment for electrical submersible pump (ESP).Provide access to hydraulic line for a surface control sub surface safety valve (SCSSSV).Allow injections as water or gas injection.Allow safe access to the wellbore in order to perform well intervention procedures.Allow reservoir fluid to flow from the well to the surface safely in a controlled manner.Many people get confused about what a Christmas tree and a wellhead are and many times they think of them as the same thing. The Christmas part is located at the top part (a blue box) and the wellhead part is the lower section (a red box). Figure 1 demonstrates the diagram of a Christmas tree and wellhead of a surface wellhead. A Christmas tree is installed on top of the last casing spool on a surface well or the high pressure wellhead housing for a subsea well. In the oil and gas industry, a Christmas tree is referred to as a series of valve & spool assembly fitted on top of the well.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |