Case Studies

Indonesia due diligence


An ASX listed company asked RISC to conduct technical due diligence on a producing gas field acquisition opportunity offshore Indonesia.


Field production had started 18 months previously and design rates had been achieved. The seller’s view of reserves was based on pre-production estimates.
Close inspection of flowing downhole gauge data however indicated that the amount of gas drained might be significantly smaller.


RISC’s technical team

  • Audited the seller’s reservoir simulation model, which identified several flaws
  • Updated the history match of the reservoir simulation model to include latest data
  • Predicted the likely range of project outcomes, resulting in a 2P reserves << sellers and their reserves auditor
  • Presented the results to the Seller – who broadly agreed.


RISC’s predictions were validated by actual field performance as the field was shut-in two years later, after only four years production.

RISC’s advice enabled the ASX company to make decisions with confidence and avoid a poor investment opportunity.

RISC’s services were retained by the seller to audit year end reserves.

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