HAZOP (HAZard and Operability Study)

–HAZOP GUIDE BRITISH STANDARD IEC 61882 : Hazard and operability studies (HAZOP studies) — Application guide

HAZID (HAZard Identification)

–HAZID ISO 17776 – Petroleum and natural gas industries – Offshore production installations – Guidelines on tools and techniques for hazard identification and risk assessment

–HAZID-SHELL (Company Spec)

–HAZID- TOTAL (Company Spec) GS_EP_SAF_041_EN-Technological risk assessment methodology