In 1965, A/S Aker Drilling Company Ltd. (Dolphin Drilling) was established. In 1976, acquired Aker Drilling Services, and renamed it Dolphin Services A/S. In 1997, ba. .
Fleet owned and operated: • 1 rig Blackford Dolphin - 7 000 ft water depth• 2 Mid water drilling rigs, Borgland Dolphin and Paul B. Loyd Jr..
[pdf] After around 20,000 hours or four years of operation, screw air compressors usually require major maintenance, including bearing replacement. Long-term operation leads to internal bearing wear, causing loud noise and high temperatures. These signs indicate the need for an overhaul.
[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] 
