The Oil & Gas names typically associated with the Singapore Oil & Gas sector are Keppel Corp (BN4), Sembcorp Marine (S51), Sembcorp Industries (U96), Ezion Holdings (5ME) and STX OSV Holdings (MS7). These are the five biggest Oil & Gas stocks listed on Singapore exchange (SGX). Price performances of these five stocks, which all provide oil equipment and services, have varied over the past 12 months from +5.5% for STX OSV to +166.0% for Ezion.
 
SGX also lists five companies involved in the exploration of oil and gas.  
 
Four of these explorers are listed on the Mainboard while one explorer is listed on Catalist.  Oil and gas explorers represent the upstream side of the industry with oil or gas reserves making up their primary assets. A core feature of oil and gas reserves as an asset base is that assets deplete and must be ...