Well Safety Equipment

Abstract

An independently operable disconnect device remotely disconnectable from an LMRP to reveal a riser profile compatible with a capping device connecter. A capping device including a capping device connector to be coupled to said riser profile. The capping device includes at least one blow-out preventer operable to stop the overflow of petroleum products from a well. Thus, a drilling marine riser may be fully disconnected from an LMRP in an emergency. Then the well may be subsequently capped.

What is claimed is: 
     
         1 . A method comprising:
 providing an independently operable disconnect device that is remotely disconnectable from a lower marine riser package (LMRP) to reveal a riser profile compatible with a capping device connector;   providing a capping device with a capping device connector to be coupled to said riser profile, said capping device including at least one blow-out preventer operable to stop the overflow of petroleum products from a well; and   conducting a drilling operation through said capping device.   
     
     
         2 . The method of  claim 1  including enabling a drilling rig to remotely physically disconnect the riser from an LMRP and Subsea blowout preventer combination. 
     
     
         3 . The method of  claim 1  including enabling said disconnect device to be mounted on an LMRP over a blowout preventer. 
     
     
         4 . The method of  claim 1  including providing independent hydraulic controls for said capping device. 
     
     
         5 . The method of  claim 4  including providing a plurality of remotely operated shear rams in said capping device.