A drill cuttings injection system for a well with a wellhead housing and a casing hanger supported in the wellhead housing. The wellhead has an axial flow port with an upper end in communication with an outer surface of the housing and a lower end in communication with an inner surface of the housing. An injection ring is positioned on the wellhead housing and has an external port. The injection ring defines an annular gallery in communication with the upper end of the axial flow port. A cuttings injector is adapted to land on the injection ring and has a hydraulic passageway sealable to the external port through which drill cuttings can be pumped into the well.
https://app.acclaimip.com/pdf/UAZEdkcd5DZHBkQToh3kOizZKYFiFnksqE2Kc1E/US6394194B1
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