2 patents
Utility
Method and Apparatus of Hot Tapping Multiple Coaxial or Nested Strings of Underwater Piping And/or Tubing for Overturned Wells or Platforms
30 Mar 23
A method and apparatus for tapping into a pressurized multiple strings of coaxially situated tubulars for wells and/or platforms which have overturned wherein the tapping occurs underwater via a diver or remotely operated vehicle.
Harry MCGRAW, Leslie M. BLAND, Daniel S. BANGERT, Mark F. GRAVOUIA, Rizal MASINGKAN
Filed: 18 Oct 22
Utility
Well Intervention Monohull Vessel
15 Apr 20
A well intervention monohull vessel and method of use including a tower type open derrick structure disposed on a deck of the vessel and a sole point land out having a sole point of riser tension contact with a top of the derrick structure.
Leigh Beck, Hin Chiu
Filed: 12 Dec 19
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