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Using a ball drop mechanism, the Hydrawell Jet-Cementing Valve™ is activated, and combined with the HydraArchimedes™ tool enable placing plugging material in the entire cross section of a single or multiple annuli, and hence, establishing a proper barrier in the well for P&A or sidetrack purposes.
After washing the perforated area with the Hemera™ jet-washing tool, a ball drop activates the cementing nozzles in the Hydrawell Jet-Cementing Valve™, which feature flow area optimized for cement.
Cement is pumped while pulling and rotating the assembly, and the cement is placed effectively into the annuli.Turbulent flow mixes cement with spacer and displaces incumbent fluids out of the hole, leaving a uniform rock-to-rock cement plug in the plugging area.
When pumped and pulled for one stand, the Hydrawell Jet-Cement Valve™ is closed, keeping the remainder of the plugging material inside the work string until the next section of the perforated interval is ready to be cemented.
Continuing pumping and pulling will force open the spring-loaded piston, and more plugging material will exit the nozzles and complete the cement operation.
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