Ocean descent system method and means
Abstract
Abstract IN OFFSHORE OIL PRODUCTION OPERATIONS, A PLATFORM IS INITIALLY SECURED TO THE OCEAN FLOOR, AND A SUBMERSIBLE HOUSING IS THEREAFTER HAULED DOWN FROM THE OCEAN SURFACE IN PRECISE DIRECTIONAL OREIENTATION WITH RESPECT TO THE PLATFORM, AS REQUIRED FOR MATING OF STRUCTURAL ATTACH CONNECTIONS THEREBETWEEN. ORIENTATION IS ACHIEVED BY USE OF A U-SHAPED HAWSEPIPE ON THE PLATFORM, THROUGH WHICH THE HAUL-DOWN HAWSER IS THREADED, THE PIPE ENDS BEING SPACED APART A FIXED DISTANCE. A GUIDE ARM SYSTEM MOUNTED ON THE HOUSING ENGAGES THE HAWSER AT TWO LOCATIONS SPACED APART A DISTANCE COINCIDING WITH THE MENTIONED PIPE ENDS. LOOKING CONNECTION ELEMENTS ON THE PLATFORM AND HOUSING INTERENGAGE AUTOMATICALLY DUE TO PRECISE ORIENTATION THEREBETWEEN AS THE HOUSING MOVES INTO MATING RELATIONSHIP WITH THE PLATFORM.
Inventors
- 👤 Robert G Cook
Bibliographic Details
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