Piper Alpha was an oil platform located in the North Sea about 120 miles (190 km) north-east of Aberdeen, Scotland. It was operated by Occidental Petroleum and began production in December 1976, initially as an oil-only platform, but later converted to add gas production. Piper Alpha exploded and collapsed under the effect of sustained gas jet fires in the night between 6 and 7 July 1988, killing 1. Piper oilfieldFour companies (, , , and Thomson Scottish Associates Ltd) formed a joint venture and obtained an oil-exploration licence in 1. .
Piper Alpha's production facilities were designed by in . The supporting platform jacket, as well as the module structures and buildings, were designed by . The eight-legge.
[pdf] Before starting casing, the drilling supervisor should hold a pre-job safety meeting and confirm the following with the crew: 1. Remove unnecessary tools. 2. Good Housekeeping before the job 3. Rig up Casing handling equipment: Using appropriate hand. .
A circulation sub, fitting the casing thread, equipped with a WECO connection, shall be readily available on the rig floor at all times during casing running.
[pdf] Mars field was discovered in 1989 at around 130 miles south of New Orleans. The field, located at 3,000ft water deep, started production in 1996. Mars B was discovered after Shell geologists located untappe.
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