Salamander Energy plc announced that the G4/50-5 exploration well has discovered oil in the Surin prospect in the central portion of the Western sub-basin, Block G4/50, Gulf of Thailand.
Oil was discovered in good quality Miocene fluvial sandstones in the primary N40 target zone over the interval 5,003 to 5,030 feet (1,525 to 1,533 meters) TVDSS (True Vertical Depth SubSea). Wire-line logs and pressure data confirmed the presence of approximately 26 feet (8 meters) of oil pay. Oil samples recovered from the zone indicate a 31 degree API oil and mapping of the Surin fault block indicates between 49 and 66 feet (15 and 20 meters) of column height above the location of the well penetration. Further evaluation is required to determine the potential resource volume encountered in the Surin discovery. The well has been plugged and abandoned as an oil discovery.
James Menzies, chief executive of Salamander, commented:
“The discovery of oil in the Surin fault block, a 16 miles (25 kilometers) step out from the Bualuang field, has proven the access to an oil charge in the Western Central sub-basin, which had been identified as a key risk pre-drill. Resource estimates for Surin are being assessed but this is clearly a positive step in de-risking the neighbouring prospects and in understanding the local petroleum system.”
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