China’s oil and gas industry has passed a fresh milestone in its push to become a leading exporter of advanced offshore drilling equipment, as a state-owned company made its first delivery of a new kind of deep-sea suction anchor to Brazil.The 24 suction caissons – which are capable of operating at depths of up to 2,000 metres – will be used to secure platforms at the Mero ultra-deepwater oilfield off Brazil’s southeastern coastline, Chinese state broadcaster CCTV reported on Sunday.The...