SEDCO 709 FIRST DP SEMI-SUBMERSIBLE

In 1971, the Sedco 445 drillship became the first offshore drilling vessel to drill a well without anchors, six years before the launch of the Sedco...
Read More+In 1971, the Sedco 445 drillship became the first offshore drilling vessel to drill a well without anchors, six years before the launch of the Sedco...
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