Singapore-listed Mirach Energy Limited announced it has unexpectedly uncovered a new untapped oil zone at the Kampung Minyak Oil Field (KM) in south Sumatra, Indonesia as it drilled deeper at the KM-607 infill well, which was spud Aug. 9. This zone is below the old production oil layer.
As a result of the surprisingly high pressure experienced at the depth of 1,470 feet (448 meters) when the drill rig Daqing-121 cut vertically down, precautionary measures has to be introduced immediately to manage the pressure. This proper pressure control enabled the team to drill a further 98 feet (30 meters) down for confirmation before ending the drilling at 1,558 feet (475 meters).
“We were taken by surprised at the high pressure experienced at layer S8, as the previous wells drilled were nothing like that. Our production team is expecting this to be very good production well, compared to the earlier new wells drilled. A series of tests and perforations will be done to optimize production and actual production rate from the well will be known within the next two weeks.” said William Chan, CEO of the Company.
Well logs have confirmed a net pay interval in the Air Benakat Formation of 6.5 feet (2 meters). The success of KM-607 confirms the opportunity to add a considerable amount of reserves (2C) and increase oil production across KM.
The Daqing-121 rig is mobilized to drill another new infill well at KM-611, which is located at a short distance west of KM-607 and sits on the same formation as KM-607.
With the strong results shown in the newly uncovered oil zone, the Company intends to apply to Pertamina EP to drill new wells deeper than 3,281 feet (1,000 meters) to confirm the other potential pay zones that it has identified in KM.
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