Control Flow, Inc. - The manufacturer of quality valves, offshore oil field drilling equipment and services second to none.

Crown Mounted Drill String Compensation

Key Benefits:

• More Usable Derrick Height- With dual cylinder design.
• High Capacity- 600,000, 800,000, & 1,000,000 pound working capacity with high
operating efficiency to satisfy demanding requirements.
• Stroke- Ranges from 18 feet to 25 feet.
• Innovative- Pneumatic/Hydraulic power combination provides positive control and
flexibility.
• Hydraulic Lockup- On Demand in any position allows faster drilling operations.
• Automatic Safety Arrest- Limits hook velocity and prevents equipment damage in event of drill string failure.

Heave Compensator Applications

• Drillhsips
• Semi-Submersibles