Piper Alpha Disaster incidence of 6th July 1988 Remembered (26 Days to go) Brief Description: Piper Alpha was an oil production platform in the North Sea approximately 120 miles (190 km) north-east of Aberdeen, Scotland. Operator: Occidental Petroleum (Caledonia) Limited No of oil rig workers that died: 167 Lessons Learnt: This incident was instrumental in bringing about the introduction of the Offshore Installations (Safety Case) Regulations 2005 in the UK (see later) and the regulatory control