Stage Collar Cementing

Stage Collar Specifications & Port Configuration

Specification	Value
Function	Enables second-stage cementing of upper casing sections after the primary job
Position in String	Installed above the first-stage interval in the casing string
Flow Path	Provides ports for cement slurry to be displaced higher in the annulus
Port Control	Ports open for second-stage pumping and close after displacement to seal
Internal Seats	Accepts plug/ball seats to isolate and shut off flow after the stage
Body	Heavy-duty steel body engineered for downhole loads and circulation
Customization	All parts customizable (materials, connections, seats, port configuration)
Quality	Built to stringent QC standards for maximum downhole performance
Compatibility	Matches standard casing sizes, grades, and thread connections

Aspect	Detail
Primary Purpose	Cement upper sections of the annulus immediately after the primary displacement
Use Cases	Long strings, lost-circulation zones, or when top-of-cement targets are higher
Benefits	Improved cement placement control; reduced risk of over-displacement and losses
Operation	Launch plug(s), open stage ports, pump spacer/cement, then close and isolate
Planning Note	Select port area and seat sizes to match slurry rate, density, and job pressures
Reliability	Seals after the stage to restore casing integrity and allow further operations
Custom Order	Specify casing size/weight/grade and desired connection for an exact match