E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 21/06 (2006.01) B01F 15/06 (2006.01)
Patent
CA 2546939
Drill cuttings associated with drilling fluid are thermally cleaned. The wet cuttings are fed into a vessel chamber having mechanical mixers, such as ribbon blenders, extending lengthwise of the chamber. Direct heating is applied to the chamber contents by introducing hot combustion gas from a heater. A combination of direct heating and mechanical back mixing of wet colder cuttings with drier hotter cuttings results in conditioning and conduction heating of the wet cuttings. The drilling fluid is evaporated and removed as gas. Dried cuttings are separately recovered. Caking and agglomeration of the solids is reduced.
L'invention concerne des débris de forage associés à un liquide de forage nettoyés thermiquement. Les débris humides sont introduits dans une chambre à récipients comprenant des mélangeurs mécaniques, tels que des mélangeurs à ruban, s'étendant le long de la chambre. Le chauffage direct est appliqué aux contenus de la chambre par introduction d'un gaz de combustion chaud à partir d'un dispositif de chauffage. Une combinaison de chauffage direct et un mélange mécanique de débris plus froids avec des débris plus chauds et secs provoque le chauffage de conduction et le conditionnement des débris humides. Le liquide de forage s'évapore et il est éliminé sous forme de gaz. Des débris sont récupérés séparément. L'agglutination et l'agglomération des solides sont réduites.
Clean Cut Technologies Inc.
Johnson Ernest Peter
LandOfFree
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