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ENVIRONMENTAL TECHNOLOGY AS
| ENVIRONMENTAL TECHNOLOGY AS Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20080230222 | Apparatus and a Method of Fragmenting Hard Particles - A method of treating particulate hard materials driven to the surface of a well in a returning well flow in connection with a producing well or well stimulation operations in the petroleum production industry, the method including fragmentation of the hard particles by means of a crushing device, whereupon the fragmented hard particles are turned into a slurry which is then re-injected into an injection well. | 09-25-2008 |