The SPD12E Wellhead Platform Jacket of South Pars Gas Field Development Phase 12 is to be installed at a location approximately 100Km offshore south west of Assaluye in Persian Gulf. The platform’s Jacket is a four-legged structure for water depth of 71.5 meters with leg spacing of 20 x 24 m at working point EL + 5.600 m. The jacket is to supports topside with an approx. weight of 2750 tonnes. The jacket supports 15 x 26” conductors located in the wellbay at the global north west or north face of the jacket. These 15 conductors in the wellbay are accessible by jack-up drilling ring from the north side of platform. The jacket has four vertical frames and five plan bracing levels at EL +3.600, -13.400, -32.400, -52.400 and -71.500m. The Jacket is a launch installed type. Four Ø60’’piles will be driven through the legs.