PS1 Builder / Year Samsung Heavy Industries, S. Korea / 2010 Design DP3 Single Activity Water/Drill Depth 10,000'/30,000' Location S. Korea Shipyard PS2 Builder / Year Samsung Heavy Industries, S. Korea / 2010 Design DP3 Single Activity Water/Drill Depth 10,000'/30,000' Location S. Korea Shipyard PS3 Builder / Year Samsung Heavy Industries, S. Korea / 2010 Design DP3 Single Activity Water/Drill Depth 10,000'/30,000' Location S. Korea Shipyard PS4 Builder / Year Samsung Heavy Industries, S. Korea / 2010 Design DP3 Single Activity Water/Drill Depth 10,000'/30,000' Location S. Korea Shipyard