Importance

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Abstract

A bore well in a seabed (27) may be established and/or operated by a drilling barge (10). The barge may be pulled onto a larger vessel (11) and transported to a drilling site. Alternatively, the larger vessel is divided longitudinally into a pair of sub-vessels, which are then re-united at the drilling site, where the barge is pulled into position on the larger vessel. The combined drilling vessel (10, 11) may thereafter be anchored in the desired position relative to the bore well by submerging the larger vessel to rest on the seabed. The barge may be arranged on top of the larger vessel by submerging one end of the larger vessel, towing the barge into a desired position relative to the larger vessel, and raising the submerged end of the larger vessel so as to bring the deck of the larger vessel into contact with the bottom of the barge and to lift the barge out of the water.

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First Claim