Blowout preventer ram assembly and method of using same

摘要

The techniques herein relate to a ram assembly for a blowout preventer for receiving a tubular of a wellbore. The ram assembly includes a ram block for engagement with the tubular, a ram shaft for selectively extending and retracting the ram block, and a ram connector for operatively connecting the ram shaft to the ram block. The ram block has at least one block groove. The ram shaft has a ram head with at least one shaft groove. The ram connector includes at least one shear connector correspondingly disposable in the block groove and the shaft groove whereby the ram shaft is releasably securable to the ram block.

主权项

1. A ram assembly for a blowout preventer for receiving a tubular of a wellbore, comprising:
a ram block disposable through the blowout preventer and positionable in sealing engagement about the tubular, the ram block having a receptacle and at least one block groove; a ram shaft for selectively extending and retracting the ram block, the ram shaft having a ram head receivable in the receptacle, the ram head having at least one shaft groove corresponding to the at least one block groove; a ram connector for operatively connecting the ram head to the ram block in the receptacle, the ram connector comprising at least one shear connector disposable through a surface of the ram block and the receptacle, the ram connector correspondingly receivable in the at least one block groove and the at least one shaft groove whereby the ram shaft is releasably securable to the ram block.