Investigating the Cause of the Deepwater Horizon Blowout - Interactive Graphic - NYTimes.com
Ram Preventers as Well Control Equipment
BOP Rams | SLB
Blind Ram - an overview | ScienceDirect Topics
NexusPetro - Blind Ram vs Shear Ram Blind Ram: A thick, heavy steel component of a conventional ram blowout preventer. In a normal pipe ram, the two blocks of steel that meet
BOP shear ram built to meet BSEE's new wireline-cutting requirement - Drilling Contractor