Before revision: The crew will normally comprise: Well services supervisor Wireline or coiled tubing operators Pump operator Pump hanger and ranger Drawbacks Risks The nature of their operation—extraction of volatile substances sometimes under extreme pressure in a hostile environment—means risk; accidents and tragedies occur regularly.
After revision: great distance from land can make rescue operations more difficult as in the capsizing of the Alexander L. Kielland platform which claimed the lives of 123 people.TheThe crew will normally comprise: Well services supervisor Wireline or coiled tubing operators Pump operator Pump hanger and ranger Drawbacks Risks The nature of their operation—extraction of volatile substances sometimes under extreme pressure in a hostile environment—means risk; accidents and tragedies occur regularly.