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Subsea Flowline Connection Systems

Versatile products that provide a solution for every application

Our robust subsea flowline connection systems facilitate quick and cost-effective installations in shallow and deep water. An extensive portfolio of field-proven components provides a large range of possible applications and installation methods.

Through standardized processes, common core components, and qualified, field-proven assemblies, we can deliver standard subsea connection systems anywhere in the world within 6 months.

These highly configurable solutions bring greater efficiency and reliability to your subsea operations, enabling project viability and helping you meet a range of functionality requirements while driving down capex.

OneSubsea flowline connector.

Since 1998, OneSubsea has installed more than 2,500 connecting flowlines and export lines in more than 80 projects worldwide.

Subsea Flowline Connection Systems Offerings

OCS-H

Horizontal clamp connection system

Reduce capex and opex with a compact and lightweight system available in 4- to 32-in nominal pipe sizes.

OCS-V

Vertical clamp connection system

Reduce capex and opex with a compact and lightweight system available in 4-in to 20-in nominal pipe sizes.

CVC

Vertical collet connection system

Satisfy your subsea production requirements while saving money in the process.

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Press Release Equinor Awards Subsea Integration Alliance EPCI Contract for Bacalhau

Schlumberger announced today an award to Subsea Integration Alliance of a large contract by Equinor on its Bacalhau project offshore Brazil.

Product Sheet OCS-V Vertical Clamp Connection System

Reduce capex and opex with a compact and lightweight system, available in 4-in to 20-in nominal pipe sizes.

Product Sheet OCS-H Horizontal Clamp Connection System

Reduce capex and opex with a compact and lightweight system available in 4- to 32-in nominal pipe sizes.

Press Release Subsea Integration Alliance Awarded Deepwater Integrated Contract in the Gulf of Mexico by Fieldwood Energy

Supplier-led solution combines OneSubsea and Subsea 7 expertise.

Case Study Innovative, Standardized Subsea Equipment Solution Exceeds Total E&P Absheron’s Expectations

Minimized already-stringent delivery time enables earlier ROI, Caspian Sea.

Brochure Standard Subsea Connection Systems

Delivered anywhere within 6 months.