Gulf Driller I Jack up Drilling rig is with the length of 59.745meters, width of 55.78meters, and depth of 7.62meters; the leg length of 125meters, the maximum working depth of 91.44meters, the maximum drilling depth of 9144 meters; specified accommodation of 110persons and classed by ABS. The Friede & Goldman provides the basic design, CIMC Raffles independently complete the detailed design and the construction design. Ocean Challenger is responsible for the whole supervision and management. It is delivered in May,2014. OC carried out supervision of the work site, and the whole rig equipment installation, commissioning, a variety of large-scale tests, including cantilever skidding test, inclining test, jack up and down test, etc. And while delivery process owner comments sort out, document management and audit, spare parts inventory and so on; in addition, OC deeply involved in the organization of the project business plan, and dominated the hull and other transport calculations.