DRILLBITS
Monthly eNewsletter from the IADC




Southeast Asia Chapter Holds Annual General Meeting in Singapore

The IADC Southeast Asia Chapter (SEAC) hosted its 2025 Annual General Meeting in Singapore on 23 October. Dr. Okky Purwana (PhD, CEng) delivered a guest presentation on “Advancements in Jack-Up Engineering and Practices.” Calvin Crowdis gave the SEAC Member virtual presentation on “A novel approach towards RCD.” 

A variety of SEAC business matters and updates were discussed. Additionally, elections of the 2026 IADC SEAC Officers were held, with the following results: 

  • Alexander Maroske – Chairman

  • Keith Kotval – Vice Chairman 

  • Mak Oong Yan – 2nd Vice Chair Officer

  • Clarence Leong – Treasurer (current, returning for another term) 

  • Peter Hone – Secretary (current, returning for another term) 

Congratulations to the winners! We appreciate your service to the Chapter and look forward to working together next year.