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History

  • First Riserless Intervention Campaign -BP
  • First RiserlessXT change -Hess
  • First rig alternative HP riser intervention campaign -Shell
  • First Riserless abandonment campaign in Norway -StatoilFirst multi-operator riserless abandonment campaign -Enterprise, Marathon, Talisman & BP
  • T750 delivered, first trencher to use variable speed drive (VSD) motors directly coupled to water pumps boosting jetting power by 30% is delivered to provide depth of lowering & cover to 2m DoL
  • First Riserless intervention campaign in Norway, Diverless-Statoil First use of well test package to dissolve hydrate & flare off pipeline inventory
  • First installation of free-standing intervention top tension -RPSEA
  • i-Trencher mechanical designed to cut cohesive soils up ~600Kps to bury flexible & ridged products down to 2m in up to 1000m water depths
  • First use of rig alternative vessel for top hole drilling -Chevron hydrate drilling
  • Helix Q4000 played a key role in a successful “static kill” procedure on the Macondo well when 32,000 barrels of specially engineered mud and cement were pumped from the Q4000 directly into the well at high pressure and sealed the leak for the first time. Helix ESG’s Express and Helix Producer I vessels also participated in spill response and containment operations
  • First use of rig alternative vessel for HP riser based Coiled Tubing gravel pack operations -Marubeni
  • 2nd generation purpose built jet trencher (T1200) with 1200HP capable of burying flexible & ridged products etc to 3000m
  • Grand Canyon, the 1st purpose built DP3 trenching support vessel is delivered boasting T-1200 & iTrencher along with 2 new 200HP XLX ROVs & 250Te crane
  • HELIX 534
  • 3rd generation purpose built jet trencher (T1500) with 1500HP capable of burying flexible & ridged products etc to 1000m
  • Q5000
  • Grand Canyon II is delivered to undertake light construction operations fitted with 2 x 200HP Gen 3 UHDs
  • Grand Canyon III is delivered
  • Seawell Extension
  • Q7000
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