Patent · US Active

Multi-deployable subsea stack system

US8640775B2 · kind B2 · utility

10Cited by
26References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 3, 2013
Grant dateFeb 4, 2014
Priority date
Expiry dateJan 3, 2033

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B33/064
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

Methods for deploying a subsea blowout preventer stack system comprising a lower marine riser package, a blowout preventer stack with a first ram blowout preventer, and an additional blowout preventer package releasably coupled to the blowout preventer stack and comprising a second ram blowout preventer. The subsea blowout preventer stack assembly can be deployed by coupling a drilling riser to the lower marine riser package that is releasably connected to the blowout preventer stack. The lower marine riser package and blowout preventer stack are then toward a subsea wellhead and then landed on the additional blowout preventer package that is coupled to the subsea wellhead.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.