Kaztec Engineering Limited, a subsidiary of The Chrome Group, is nearing completion on construction of the platform and jacket that will be used by Sinopec Addax Petroleum Limited for oil production from Antan field. The work is being done at Kaztec's Snake Island fabrication yard in Lagos. The Antan oil field holds approximate recoverable reserves of 15 million barrels and is expected to produce 12,000 barrels per day (bpd) at peak.