This standard specifies the requirements for performance, size and functional interchangeability, design, materials, testing, inspection, welding, marking, packaging, storage, transportation, procurement, repair and repair of wellhead devices and Christmas trees used in the oil and gas industry, and Corresponding recommended practices are given. This standard does not apply to wellhead devices and Christmas trees used, tested and repaired in oil fields.
GB/T 22513-2008 history
2023GB/T 22513-2023 Wellhead devices and Christmas trees for oil and gas drilling and production equipment
2014GB/T 22513-2013 Oil and gas industry drilling and production equipment wellheads and Christmas trees
2008GB/T 22513-2008 Petroleum and natural gas industries.Drilling and production equipment.Wellhead and christmas tree equipment