An offshore oil well assembly is provided that includes a floating vessel and a coiled tubing injector supported on the floating vessel. A coiled tubing string is movable by the injector into and out of a wellbore. The assembly also includes at least one measurement device which, either directly or indirectly,...http://www.google.com/patents/US7281585?utm_source=gb-gplus-sharePatent US7281585 - Offshore coiled tubing heave compensation control system
