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Diving & Underwater Services

Fabrication/ Installation

Marine Operations
& Management Services

Turnkey EPC Projects

Rig Repairs & Ship Repairs

Design Engineering

Turnkey EPC Projects

DOEIL qualified earlier on as an EPC (Engineering, Procurement and Construction) contractor with ONGC, but has been till recently working as a subcontractor to companies like L&T. However, with the award of the NQD & ICP contracts in September 2008, DOEIL has commenced work as an independent main EPC contractor to ONGC. Dolphin is now one of the few companies, which provide all the three dimensions of marine construction services, ie. Marine operations, Diving/ Subsea services and Topside/Fabrication services, to execute offshore projects on a turnkey basis independently.

Some of the Marine Construction projects, which require all three or at least two of the above mentioned services include:

  • Pre-engineering, pre-construction and post installation surveys of offshore structures/ pipelines
  • Procurement of material and onshore fabrication
  • Hook-up and commissioning of new platforms
  • Revamp/painting of offshore structures
  • Repairs of jack-up rig's, spudcans and mudmats using semi submersible barges
  • Topside modification work on existing platforms
  • Installation of walkway bridges and other structures including PLEM, deck extensions, etc.
  • Marine load outs, sea fastening and transportation
  • Installation of riser, conductor, I-tube, anodes and relocation of subsea clamps
  • Diving and topside support during rigid and flexible pipelay operations
  • Free span corrections and crossovers of subsea pipelines
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