This specification provides for safety, size, and functional interchangeability of wellheads and trees. In terms of technical content, this specification stipulates requirements for performance design, materials, testing, inspection, welding, marking, packaging, storage and transportation for manufacturers. This specification does not apply to wellhead devices and Christmas trees in service or to on-site testing. wellheads and Christmas trees. Key parts refer to those parts with specified requirements in this specification.
SY/T 5127-2002 history
2002SY/T 5127-2002 Specification for wellhead and christmas tree equipment