Petroleum and natural gas industries Drilling and production equipment Drilling and well-servicing structures
|Publication Date:||1 November 2003|
|ICS Code (Exploratory, drilling and extraction equipment):||75.180.10|
This International Standard specifies requirements and gives recommendations for suitable steel structures for drilling and well-servicing operations in the petroleum industry, provides a uniform method of rating the structures, and provides two product specification levels.
This International Standard is applicable to all new designs of all standard steel derricks, special steel derricks, portable masts and substructures.
Annex A provides a number of standard supplementary requirements which apply only if specified by the purchaser.