Petroleum and natural gas industries - Drilling and production equipment - Wellhead and christmas tree equipment (ISO 10423:2009); English version EN ISO 10423:2009, only on CD-ROM
This International Standard specifies requirements and gives recommendations for the performance,
dimensional and functional interchangeability, design, materials, testing, inspection, welding, marking,
handling, storing, shipment, purchasing, repair and remanufacture of wellhead and christmas tree equipment
for use in the petroleum and natural gas industries.
This International Standard does not apply to field use, field testing or field repair of wellhead and christmas
tree equipment.