×

Carousel for vertically moored platform

  • US 4,444,275 A
  • Filed: 12/02/1981
  • Issued: 04/24/1984
  • Est. Priority Date: 12/02/1981
  • Status: Expired due to Fees
First Claim
Patent Images

1. A subsea drilling system with which a plurality of wells are drilled and maintained from a floating platform, said subsea drilling system comprising:

  • (a) a guide frame having a guide track positioned on the sea floor and having a plurality of guide frame well slots and including a vertical turning post having an axis within the plurality of well slots;

    (b) a carousel structure movably supported on said guide frame for movement along said guide track;

    (c) a well slot platform with a well slot, said well slot platform being supported from said carousel structure to permit rotation about the axis of said well slot;

    (d) means to position said platform well slot successively over each of said guide frame well slots and to rotate said well slot platform about the axis of said well slot as a function of the movement of said structure along a path defined by said guide frame well slots.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×