• Selective mechanical opening and closing sleeve is opened and closed with less than a single turn - accomplished with a shifting tool connected to drill pipe or work string
• Full Bore ID
• Eliminates perforating pipe
• Operated multiple times
• Lower face seal offers unique redundant seal after closing the port collar and is less apt to wash out when opening than conventional seals
• Rotary device keep face seal energized
• Available with premium threads
• Rotary device positively positions the sleeve open or closed preventing it from opening at an inopportune time
• Requires no plugs or drop balls to operate
Mechanical Rotary
Port Collar
• Allows for multiple stage cementing in liners or casing by installing multiple port collars in the string
• Cementing can be achieved at a time that is optimized for well, instead of during initial cementing of the casing string
• Applicable with external casing packers and multiple zone production
• Allows operator to test a formation
• Used in selective water injection
• Used to dump mud into a lost circulation zone
• Used in applications where drill out is undesirable
• Provides a reliable means to improve cement placement