A step-change technology
The StageFRAC service can create multiple fractures in a single pumping
treatment. Packers run on conventional casing are used to segment the
reservoir. Hydraulically activated sliding sleeves are located between each set
of packers. Balls are dropped from the surface during pumping to open each
sleeve, isolating previously fractured zones. The design allows selective
opening and closing of the ports to shut off unwanted fluids, thus maximizing
well production life.
The StageFRAC service also offers relatively simple completions.
Production casing is not cemented, perforations are not required, no bridge
plugs are needed for isolation, and no intervention is required once
stimulation is completed. As many as 17 segments can be stimulated in one
pumping operation, reducing cycle times from days to hours.
The StageFRAC service permits precise placement of fractures to maximize
reservoir contact and increase resource recovery. Since its introduction, the
StageFRAC service has been used successfully in more than 2,750 stages in more
than 1.25 million ft of open hole.
Using the StageFRAC technology, 9 propped fracture treatments were
placed in 4 wells during a 56-day period. Ninety days after treatment, the
average oil production of the 4 wells increased fivefold. Based on the success
of the test wells, the entire field is under review for redevelopment using
About the Contact family
StageFRAC technology is part of the permanent category of the Contact four-category portfolio of staged fracturing and completion services. These technologies maximize reservoir contact by offering the most efficient and effective services for each well. The Contact permanent category enables fracturing and isolation of multiple stages in one pumping operation using equipment installed with the completion. Contact services can be enhanced with real-time measurement options.