Tangible Benefits Derived from the Application of the Hazard and Operability (HAZOP) Methodology for Process Safety Risk Assessments of Mobile Offshore and Land Drilling Units

This paper will demonstrate the tangible benefits derived from the practical application of a rigorous and
systematic risk assessment methodology, the Hazard and Operability (HAZOP) study, that has been
proven successful for nearly 50 years in the process industries, including upstream drilling and production
design and operations.
The HAZOP process brings together a multi-disciplinary and interdependent team of subject matters
experts from operations, engineering and process safety, representing the operating company, the drilling
contractor, and equipment/service suppliers, to enable a comprehensive review of the technological and
management systems for a drilling rig’s design, operation and maintenance.