| 摘要 |
44 MOUNTS FOR BLOWOUT PREVENTER BONNETS ABSTRACT 1001861 A BONNET LOCKING APPARATUS IS DISCLOSED. THE BONNET LOCKING APPARATUS INCLUDES A SEGMENTED RADIAL LOCK DISPOSED AROUND A BONNET AND CONFIGURED TO ENGAGE 5 A CORRESPONDING RADIAL LOCK DISPOSED IN A BODY OF A BLOWOUT PREVENTER, AT LEAST ONE SPRING CONFIGURED TO BIAS AT LEAST ONE SEGMENT OF THE SEGMENTED RADIAL LOCK IN A LOCKED POSITION, AND A BACKUP SLEEVE DISPOSED AROUND THE BONNET, WHEREIN AT LEAST A PORTION OF THE BACKUP SLEEVE IS CONFIGURED TO SECURE ENGAGEMENT OF THE SEGMENTED RADIAL LOCK WITH THE CORRESPONDING RADIAL LOCK DISPOSED IN THE BODY OF THE BLOWOUT I 0 PREVENTER. A METHOD OF LOCKING A BONNET TO A BLOWOUT PREVENTER IS ALSO DISCLOSED. THE METHOD INCLUDES ASSEMBLING A SEGMENTED RADIAL LOCK AROUND A BONNET, WHEREIN AT LEAST ONE SEGMENT OF THE RADIAL LOCK IS BIASED TOWARDS A LOCKED POSITION, INSERTING THE BONNET INTO AN OPENING IN THE BLOWOUT PREVENTER, WHEREIN AN OUTER SURFACE OF THE SEGMENTED RADIAL LOCK CONTACTS A SURFACE OF THE OPENING, THEREBY MOVING THE AT LEAST 1 5 ONE SEGMENT OF THE SEGMENTED RADIAL LOCK RADIALLY INWARD, UNTIL THE AT LEAST ONE SEGMENT OF THE SEGMENTED RADIAL LOCK EXTENDS RADIALLY OUTWARD INTO ENGAGEMENT WITH A CORRESPONDING RADIAL LOCK DISPOSED IN THE BLOWOUT PREVENTER, AND POSITION A BACKUP SLEEVE INTO A POSITION WHEREIN AT LEAST A PORTION OF THE BACKUP SLEEVE IS RADIALLY INWARD OF THE SEGMENTED RADIAL LOCK. 20
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