Outer Riser Casing 13" OD
Approximately 180 joints, 10,800 feet, X-80 Grade Pipe
Design: The outer casing is a series of 60 ft. x 13.813" outside diameter (OD) joints. Outer casing joints are coated with 5-layer polypropylene thermal insulation, 3-inch thick, applied by Socotherm. The outer casing riser has RTI A707 pin and box threaded connectors welded onto X80 line pipe. Additional short "pup" joints can be used as necessary.
Storage: Outer riser casing joints are stored in groups of four on transportable bolsters. Outer casing is stored outdoors and wrapped in protective covering.