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300PSI has a multitude of treatment designs for the various injection-well profiles that exist. Leak characteristics dictate how we need to apply our product. For shallow leaks that can be pumped into at fairly low pressures (I.e. 250 psig or less) and/or that exhibit high leak-off rates, the typical application is to attempt the repair by "bull-heading" directly into the leak. This approach works well as long as depth is fairly shallow and the leak can be pumped into easily. As the depth of the leak increases it becomes more practical to release the packer and spot the Seal-Maker treatment down the annulus.
Tight leaks that cannot be pumped into easily, require that the packer be released so that the Seal-Maker treatment can be circulated easily into the well-bore annulus.
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