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Platform Member Wet Welding

Location: Caspian Sea

Depth: 10msw

Vessel: Caspian 1

Duration: 3 months

Underwater Wet welding of K-Nodes on an offshore platform in the Caspian Sea. Blu Subsea provided Divers and a full IMCA Compliant spread to conduct operations over a 3-month period.

ROV Pipeline Inspection

Location: UAE

Depth: 15msw

Vessel: Seaforce 1

Duration: 2 weeks

Underwater ROV inspections of a partially buried pipelines. The inspection was to verify the current condition of the lines, the manholes and find which ones could be open.

Power Plant – Travelling Band Screen Repairs

Location: UAE

Depth: 6msw

Vessel: N/A

Duration: LTA

Removal and replacement of the baskets/Screen at the pump house travelling band screens. Blu Subsea’s LTA with the client meant conducting routine maintenance throughout 2022 and into 2023

Hyperbaric Pipeline Repair

Location: Eastern Med

Depth: 27msw

Vessel: EDT Eas

Duration: 6 months

Blu Subsea mobilized a large team of welder divers for a hyperbaric welding scope in the Eastern Med. The Scope consisted of airlifting, Installation of two PLIDCO Clamps, Habitat setup and full hyperbaric welding of the PLIDCO clamps.

FPSO Karish – Umbilical disconnection and reconnection

Location: Eastern Med

Depth: 10msw

Vessel: EDT Eas

Duration: 2 weeks

FPSO Karish was newly installed on location in the Eastern Med. During Installation the Port and Starboard fibre optic umbilical’s had become stuck and the (Diverless) locking mechanisms jammed, requiring Diver intervention. Within 3 Days Blu Subsea had mobilized a full team and IMCA compliant system to Cyprus to conduct the operations.

Outfall Blanking – Hatta Dam

Location: Hatta, UAE

Depth: 30msw

Vessel: Barge

Duration: 1 week

Due to ongoing construction works at the Dam, Blu Subsea were requested to blank an outfall line at the lake bottom. Blu Subsea installed an onsite chamber and full IMCA compliant dive system onsite to conduct operations.

Seawater Intake line rectifications

Location: UAE

Depth: 10msw

Vessel: Turbot Ann Barge & Blu Subsea 1

Duration: 3 months

After initial inspections, Blu Subsea conducted Dredging, Bolt Changing, Sealing, HP Cleaning, dosing line and riser repairs.

Dubai Canal – Bridge Inspections and maintenance

Location: UAE

Vessel: Modular Pontoon & Blu Subsea 2

Duration: 2 weeks

Annual Bridge inspection and maintenance on the Dubai Canal business bay viaduct. Blu Subsea arranged marine access and project management for a client’s annual inspection and maintenance of the bridge structure. This included assistance with inspection of the Bearings, Paint repairs, Cleaning, and inspection of the waterfall.

Abu Dhabi Port Inspections

Location: Abu Dhabi, UAE

Vessel: Standby Vessel only (Quayside Diving)

Duration: 2 months

Over a 2-month period we conducted above and below water inspections at 14 different berths throughout the port. The berths consisted of concrete Quay wall, Sheet Pile, Suspended Deck and Steel cylindrical piles. Over 3000 cylindrical piles were inspected, and UT/ CP readings taken throughout. As well as underwater NDT, numerous topside concrete tests were conducted; Core Samples, HCP, Rebound Hammer Tests, UPV, Carbon testing, cover meter and a topographic Survey.

Al Jazeera Quay Wall Inspections

Location: Ras al Khaimah, UAE

Vessel: Standby Vessel (Quayside Diving)

Duration: 1 week

Inspection of all quay walls across the 9 berths at Jazeera port, including UT thickness readings of the sheet pile and listing all anomalies and debris found throughout.

Sidescan Sonar - Pipeline Freespan

Location: Ras al Khaimah, UAE

Depth: 90msw

Vessel: Lanpan 22

Duration: 4 weeks

Side Scan Sonar survey of 3 offshore pipelines in Ras Al Khaimah. The survey was conducted to document the quantity, length, height of any free spans and locate debris close to the lines.