This document is the official operation and maintenance manual for Cameron Ram-Type Blowout Preventers (U-Series and similar models).
It provides:
Technical specifications – sizes, pressure ratings (5K, 10K, 15K psi), and weight/dimension data.
Ram options – Pipe rams, Variable-bore rams, and Shear rams, with detailed shearing capacity tables.
Operating procedures – recommended pressure testing sequences and function tests.
Maintenance & service instructions – disassembly/assembly steps, inspection guidelines, and troubleshooting.
Safety notes – emphasizes that all service and overhaul must follow Cameron’s recommended procedures or be done by authorized personnel.
This manual is a practical reference for drilling engineers, well control specialists, and maintenance crews who need to ensure safe and reliable BOP operation.