Your success is our success - we integrate seamlessly with operators to achieve project goals

Founded in 1997, Upstream Petroleum quickly established a strong reputation in Australia and internationally, building a robust track record of success.

Now revitalized in Malaysia under a dynamic leadership team including Mark Paton, Gurin Hanspal, Stephen Hollwarth, and other Team Members, Upstream Petroleum has relaunched with the combined experience of over 100 years.

Our services include:

• Oil and Gas Consulting Services

• Operations and Maintenance

• Project Management
  Services

• Well Construction Services

• Subsea Services

• Facility and Pipeline Engineering Services

• Field Abandonment

• Inspection Services

We have a multi-descipline team with expertise in FPSO EPC, Subsea Systems, Drilling Management, Project Management, Engineering, Operations & Maintenance. Our Team's depth of experience our tried and tested execution strategies ensures the delivery of projects on time and within budget through a robust execution strategy.

Headquartered in Kuala Lumpur, Malaysia, Upsteram Petroleum Services is an independent consulting company that delivers unbiased and impartial services for the benefit of its Clients.

Our Ledership

Mark Paton

Operations Director

Gurin Hanspal

Business Development Director

Mark Paton brings over four decades of upstream oil and gas expertise to his role as Business Development Director at Upstream Petroleum. His career began with engineering positions at BP and BHP Petroleum, where he quickly advanced to manage BHP's Northern Australian operations, overseeing multiple FPSO assets in the Timor Sea.

In 1997, Mark established Upstream Petroleum, building a reputation for exceptional project delivery. His landmark achievement—developing the Basker/Manta Field for Anzon Energy with first oil in just 363 days—exemplifies his fast-track execution capabilities. As former COO of Hibiscus Petroleum Berhad, Mark successfully managed UK assets including Anasuria and Marigold.

Today, as the primary point of contact for customers, Mark leverages his specialized expertise in FPSO operations, subsea completions, and efficient project execution to understand client needs and develop tailored solutions that help operators achieve their development goals.

Gurin serves as Operations Director at Upstream Petroleum, bringing over 40 years of specialized experience in upstream petroleum and LNG project delivery. His distinguished career features exceptional achievements in FPSO design, engineering, and execution across global operations.

His landmark accomplishments include leading the Kraken FPSO development in the North Sea and delivering Shell's Curlew FPSO in a record-setting 18 months from FEED to first oil. Gurin's extensive portfolio encompasses numerous successful FPSO-based Pre-FEED and FEED projects, including the Rosebank Development, Etan FPSO, OCTP Ghana FPSO, and Eni Angola East Hub FPSO.

At Hibiscus Petroleum Berhad, Gurin managed the Marigold Project, overseeing an FPSO FEED and a detailed Pre-FEED for long-distance subsea tieback to the Piper Bravo Platform. As the operations specialist on our leadership team, Gurin applies his proven ability to navigate complex technical, logistical, and regulatory challenges to ensure clients receive practical, efficient solutions that consistently deliver on time and on budget.

Stephen Hollwarth

Engineering Director

Stephen is an accomplished Engineering Director with deep expertise in delivering tailored engineering design solutions for the Oil and Gas industry, both offshore and onshore. Leading a high-caliber team at Pace O&G, Stephen has successfully managed over 30 projects in the last five years, ranging from small process modules to large-scale processing facilities.

His team’s experience spans Greenfield and Brownfield projects, with senior engineers bringing 25+ years of hands-on industry knowledge across design offices, fabrication yards, and construction sites worldwide. Stephen integrates advanced AI design tools to enhance precision, optimize workflows, and accelerate project delivery, ensuring innovative and cost-effective solutions.

Clients value Stephen’s proven ability to deliver detailed, practical designs that streamline fabrication and construction while maintaining the highest quality and safety standards.