Mark V. Ratchinsky, P.Eng.

Mark V. Ratchinsky is an international wells and project delivery executive with more than three decades of experience leading deepwater, subsea, HPHT and complex onshore programs. His career includes 18+ years with Shell as well as senior leadership roles with Maersk Oil, Galp Energia and national oil companies including PDO, Sonangol and SNPC.

His leadership accountability has spanned a $9 billion deepwater development program, annual well portfolios of $400–600 million and technically complex operations across Nigeria, Angola, Namibia, the Republic of the Congo, Oman, Cuba, the North Sea, Denmark and the Caspian Sea. He brings deep expertise in full-cycle well delivery, project execution, technical assurance, risk-based well design, barrier management, well control and containment, SIMOPS, HPHT and UBD/MPD operations, EPC governance and operations readiness.

Mark has designed and embedded corporate Well Delivery Process and assurance frameworks and has served as a technical authority under Shell, Maersk and Galp Well Examination regimes. He is also an experienced builder of multinational technical organizations, combining delivery governance, cost and schedule discipline, contractor management and local capability development with a strong focus on safe execution.

Most recently, as Technical Director, Projects and Operations at Drillinktech International, Mark directed multidisciplinary technical delivery across wells, operations, engineering, procurement, subsurface and project services, including delivery oversight for Dragon Oil’s deep-reservoir drilling campaign in the Cheleken Contract Area offshore Turkmenistan.

EDUCATION:

• BSc Petroleum Engineering — University of Alberta (1991)
• Professional Engineer (P.Eng.) — APEGA
• SAIT, Honor Roll (1989)

CAREER HIGHLIGHTS:

• $9B Deepwater Development: As Maersk Oil Wells Director / Drilling Manager in Angola, held accountability for drilling and completion readiness on the company’s first deepwater development, with drilling spend above $4 billion.
• +$50M Annual Savings: Introduced knowledge-management and performance systems that reduced non-productive time from more than 30% to below 10%, saving approximately $50 million annually.
• Nigeria Production Growth: Led the OML 30 wells and operations program that increased field production from 11,000 to 85,000 BPD within two years.
• Safety Leadership: Achieved five years zero-LTI on ultra-deepwater operations offshore Nigeria and reduced TRCF from 27 to 0 in the North Sea, recognized as Shell best-in-class.
• HPHT & Frontier Delivery: Designed and delivered deep sub-salt HPHT wells to 6,400 m in Oman, with design improvements saving approximately $4 million per well.
• Namibia Ultra-Deepwater: Directed execution of a $260 million exploration program in the Orange Basin, including two wildcat wells with drill stem testing in water depths to 2,000 m.

30+ YEARS — WELLS & PROJECT DELIVERY LEADERSHIP