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The Seaquest Drill Ship

The Seaquest Drill Ship

Surat Thani Province, Thailand

Depth
Depth Icon

70m

Visibility
Visibility Icon

13m - 38m

Entry
Boat Entry Icon

Boat

Experience Level

Advanced

The Seaquest Drill Ship

Surat Thani Province, Thailand

The Seaquest Drill Ship
Depth
Depth Icon

70m

Visibility
Visibility Icon

13m - 38m

Entry
Boat Entry Icon

Boat

Experience Level

Advanced


About The Seaquest Drill Ship

Also known as The Scan Queen. She sank as a result of a storm caused by a typhoon. This typhoon was better known as 'Typhoon Gay' The Seaquest Drill ship was busy drilling for oil when the storm hit, sending her to her grave on the 3 November 1989. This incident was classified as the third worste oil rig disaster of the century. She had lost 91 lives with only 6 survivors. A beautiful dive. Recommended for advanced technical trimix divers due to the depth. She is filled with corals and abundant marine life.

The Seaquest Drill Ship Dive Info

Terrain & Features

Reef, Deep, Wreck

Entry Type

Boat

Max Depth

70m

Visibility Range

13m 38m

Experience Level

Advanced

Best Gas Mix

-1% at 68m / 21%

O2
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Marine Life

  • Crabs
  • Game Fish
  • Groupers
  • Pelagic Fish
  • Various
Weather Conditions

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Location

Location details missing.

Dive Site Hazards

  • Hidden Depth Variations — Complex reef topography can conceal depth changes, leading to unintended profile variations.

  • Distraction from Marine Activity — High fish activity can distract divers and delay depth or gas awareness.

  • Rapid Surge Direction Changes — Surge near reef structures can reverse direction quickly, pushing divers sideways into unexpected areas.

  • Gradual Narcosis Onset — Narcosis may develop slowly, making self-assessment unreliable.

  • Task Fixation at Depth — Cognitive narrowing at depth can reduce awareness of time and ascent rate.

  • Increased Gas Density Breathing Load — Higher gas density at depth increases work of breathing.

  • Deceptive Entry Openings — Openings may become restrictive inside due to angle, collapse, or corrosion.

  • Surge-Induced Internal Silt Shift — Internal surge can move silt and debris without direct contact.

  • Partial Overhead Environment — Many wrecks limit direct ascent even without full penetration.

  • Fine Rust Particle Silt-Out — Disturbed rust particles can rapidly reduce visibility.

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