Unocal Indonesia Ltd. has let a turnkey contract to PT Gema SemBrown (GSB) to build a platform to set in the deepest water yet off Indonesia.
The contract, worth more than $40 million, calls for GSB to engineer, procure, fabricate, install, and hook up Unocal's SA drilling and production platform in 335 ft of water in Serang field. Site is in Makassar Strait, about 25 miles off East Kalimantan.
GSB in October began fabricating the Serang SA platform began at its Sunda Strait fabrication yard in West Java, Indonesia. The facility is to be a four pile, two deck structure with a 20 slot jacket. Total platform weight at completion is calculated at 4,230 tons: 1,050 tons for the deck, 1,755 tons for the jacket, and 1,425 tons for pilings.
GSB is to complete the platform on a fast track schedule in time for installation in July 1993. The project includes two export trunk lines connecting Serang field with Unocal's Melahin field. Production will come ashore at Santan on East Kalimantan.
GSB is owned jointly by Brown & Root Inc., Houston; Sembawang Engineering, Singapore; and Indonesian partner Fadel Muhammed.
Chris Braithwaite, GSB deputy manager, said the company has begun a $10 million expansion of its Sunda Strait yard to compete for opportunities expected to result from growing gas markets in Southeast Asia. When the expansion is complete in 1993, GSB will have more than 20,000 tons/year of construction capacity at Sunda Strait.
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