The trees are frequently manufactured from blocks of steel containing multiple valves rather than made from multiple flanged valves.
Download Christmas Tree Wellhead Pdf
Pics. This annex provides guidelines for enquiry and purchase of wellhead and christmas tree equipment. All tolerams per api except as noted.
Pdf Well Integrity Christmas Tree Acceptable Leakage Rate And Sustained Casing Pressure from www.researchgate.net
A wellhead is used during both drilling and production. Christmas tree is an assembly of valves, spool, pressure gauges and chokes fitted to the wellhead of a completed well to control production. Alibaba.com offers 324 api wellhead and christmas tree products.
At innite coupling, the tree has only one pair of branches.
However, a wellhead and christmas tree are entirely separate paces of equipment. Wellheads and christmas trees are different pieces of equipment (figure 1). 30 cfr 250.806(a)(3) api 6a: A wellhead is used during both drilling and production.
