Floating cranes and derrick barges Fixed platforms Jack-up rigs Semi-submersible drilling rigs Submersible rigs Non-specialized projects

Business location

ISPOLIN SUBMERSIBLE DRILLING UNIT (Ispolin crane vessel retrofitted with exploratory drilling facilities)


Exploratory drilling of 3000-m oil/gas wells in sea water depths within from 3.8m to 4.5m. In drilling the retrofitted vessel is used as a submersible unit. Operational area: The North Caspian Sea.


  • Length, maximum, m about 152
  • Length, oa, m about 138
  • Breadth, maximum, m 54.0
  • One hull molded breadth, m 18.4
  • Height, maximum, m about 71.5
  • Well drilling depth, m 3000
  • Drilling sea depth, m 3.7-4.5
  • Personnel 90
  • Endurance according to process stores, days 30