Upstream Engineering

ONEC Upstream specializes in land-based drilling rig design. We offer industry leading engineering and design services for manufacturers, owners, and operators.

What We Do

Engineering Design & Product Development

ONEC Upstream generates drilling rig structures, machinery, equipment, and processes that are creative and practical. Our API Design Packages are regarded as the best in the industry.

Rig Inspections (API and CAODC)

Our experienced team of engineers are quick to mobilize and are familiar with both new and old equipment. Extensive field experience ensures our customers get the right solutions for their existing oilfield equipment.

Validation Services

Our team utilizes cutting edge analysis tools to validate designs and ensure safety, functionality, and longevity. We analyze Static Loading Scenarios, Dynamic Loading Scenarios and Environmental Loading Scenarios.

Design Drafting

ONEC Upstream designers strive to deliver quality construction drawings that are well suited for part processing, fabrication, and component assembly. Working from existing 3D models or engineered drawings, we develop custom drawing formats to suit client processes. The end result is minimized waste and a reduction in fabrication time.


1485 BayShore Blvd # 182,
San Francisco, CA 94124

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