×

Subsea well safing system

  • US 8,783,357 B2
  • Filed: 08/29/2011
  • Issued: 07/22/2014
  • Est. Priority Date: 08/27/2010
  • Status: Active Grant
First Claim
Patent Images

1. A subsea well safing package for installing on a blowout preventer stack on a subsea well, the package comprising:

  • a safing assembly connector interconnecting a lower safing assembly and an upper safing assembly, the safing assembly connector operable to a disconnected position, wherein the lower safing assembly is to be connected to a blowout preventer stack on a subsea well and the upper safing assembly is to be connected to a marine riser;

    the lower safing assembly comprising lower slips to engage and secure a tubular suspended in a bore formed through the lower and the upper safing assemblies;

    the upper safing assembly comprising upper slips operable to engage and secure the tubular; and

    a shear positioned between the upper slips and the lower slips, the shear operable to shear the tubular.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×