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| Number | Title | Issue Date |
| 7581601 | Drill cuttings re-injection system A system to re-inject drill cuttings slurry into a well formation for the storage of the cuttings. The system may include a pressure containing conduit that creates a flow path to an annulus within the well formation. The system may include an injection inlet, a dri... | 09/01/2009 |
| 7350580 | Subsea pass thru switching system A coupling switches control fluid from a tubing hanger to a downhole completion of a subsea well. The coupling, located between a tubing hanging running tool and a downhole completion, includes a coupling body and a tubing hanger. A hydraulic poppet switches control... | 04/01/2008 |
