Downhole cuttings injection technology is used by many operators to dispose of drilled cuttings generated when using oil base mud (OBM). These operators have worked with service companies to develop systems designed to slurry drilled cuttings and to inject the prepared slurry down a wellbore and into the formation.

Developing sound slurrification methods has played an important role in expanding the utility of cuttings injection. However, a clear understanding of what happens downhole during cuttings injection operations is critical to successfully implementing this technology. A set of guidelines are presented to assist operators and regulators when evaluating the merits of potential downhole cuttings injection applications. The guidelines are useful not only from an engineering perspective, but also from a regulatory viewpoint since the guidelines address the majority of regulatory concerns.

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