After setting surface casing at 200 meters in the Dewan-5 development well, severe mud losses and emission of minor amounts of H2S gas were encountered while drilling below the surface casing. These unforeseen circumstances caused drilling progress delays, and combined with the drill pipe being stuck in the hole, it was decided to plug and abandon the well at shallow depth.
A new well design and mud system is currently being recommended and the well will be re-drilled on the same structure close to the original well bore. Rally expects to spud the new location shortly.
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