From Elsmar Cove Quality Assurance and Business Standards Wiki
Document title: ISO/TS 29001:2003 - Petroleum, petrochemical and natural gas industries — Sector-specific quality management systems — Requirements
Quality in the petroleum, petrochemical and natural gas industry: ISO 29001 is a guidance document for companies within petroleum and related industries on how to implement ISO 9001. A company's eventual certification is to ISO 9001, but is implemented in accordance with ISO 29001.