At Universal Subsea, our mission is to be a leading advocate
in the offshore industry for safe and reliable subsea equipment
design, manufacture, and operation.

The Problem

The deep ocean setting for subsea oil and gas wells is a hostile environment that can cause extensive damage to multi-million dollar subsea equipment due to corrosion, calcareous deposits, and marine growth.
erosion problem
cap solution

The Solution

Universal Subsea’s advanced thermoplastic subsea isolation cap and corrosion inhibitor fluids prevent damage to critical locking & sealing surfaces of multi-million dollar subsea oil and gas wells. Our Wellhead Defender subsea isolation cap prevents damage to subsea wellheads during temporary wellhead abandonments. Our Tree Defender subsea isolation cap prevents damage to subsea tree mandrels for long term installation.

ECONOMIC BENEFITS

USI’s subsea isolation cap and corrosion inhibitor fluids will provide substantial direct cost savings to offshore oil and gas companies who use these products:
  • Eliminate remediation (new equipment): $50,000 - $500,000 savings
  • Reduced remediation (existing equipment): $20,000 - $400,000 savings
  • Reduced risk of leaking ring gasket: $500,000 - $1,500,000 savings
  • Workover for well with horizontal subsea tree using a light intervention vessel instead of drilling rig: $8,000,000 - $16,000,000 savings
subsea cap

Products and Services

Wellhead Defender Subsea Isolation Cap
USI’s deepwater thermoplastic subsea protector cap for new subsea wellhead installations and existing temporarily abandoned project wellheads.
  • Completely isolates the subsea wellhead bore and VX ring gasket profile from the marine environment, thereby halting all corrosion, mineral deposits, and marine growth.
  • Models: All subsea wellheads with 27” H-4 profile. Other models available upon special request.
  • Body: High performance marine grade thermoplastic
  • Installation: ROV, wireline or drillpipe
  • Depth rating: up to 11,000 ft.
  • Temperature rating: to 32°F minimum
  • Testing: First subsea wellhead protector cap to pass API 6A/17D PR2 test criteria

DEFENDER STASIS SUBSEA CORROSION INHIBITOR FLUID
USI’s environmentally friendly subsea corrosion inhibitor fluid is effective in stopping corrosion, non-electrolytic, non-toxic, and fully biodegradable, with US EPA, EU, UK, OSPAR, and OECD approvals
TREE DEFENDER SUBSEA ISOLATION CAP
USI’s deepwater thermoplastic subsea protector cap for new subsea tree installations and existing subsea trees.
  • Completely isolates the subsea tree mandrel upper bore and VX ring gasket profile from the marine environment, thereby halting all corrosion, mineral deposits, and marine growth.
  • Models: Many subsea trees with 27” H-4 profile (GE Vetco Gray, Aker, etc.) Consult USI to review your specific subsea tree application. Other isolation cap models available upon special request.
  • Body: High performance marine grade thermoplastic
  • Installation: ROV, wireline or drillpipe
  • Depth rating: up to 11,000 ft.
  • Temperature rating: to 32°F minimum
  • Testing: First subsea tree protector cap to pass API 6A/17D PR2 test criteria

ENGINEERING CONSULTING SERVICES
Subject Matter Experts with expertise in subsea equipment specification, selection, design, engineering, manufacture, operation, and reliability.

Management

SEAN THOMAS, P.E.
President & General Manager
Email: sthomas@universalsubsea.com
Phone: 713-542-1262
JOHN FITZGERALD
Director of Sales & Marketing
Email: jfitzgerald@universalsubsea.com
Phone: 713-213-5835
JOSH TABIN
Interim CFO
Email: jtabin@universalsubsea.com
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