A method of injecting drilling waste into a well while drilling

Details A method of injecting drilling waste into a well while drilling A method of injecting drilling waste into a well while drilling

E - Fixed Constructions

21

B

E21B 21/06 (2006.01) B09B 1/00 (2006.01) B09B 5/00 (2006.01) E21B 33/068 (2006.01) E21B 41/00 (2006.01)

Patent

CA 2294483

A method for disposing of drill cuttings generated during the drilling process of drilling oil and gas wells, by injection into the annulus of a well bore and into the formation, throughout the well bore operation through the use of secondary casings (42), injection tubes (28) attached externally to the surface casing (16) string and by injection into a special well (54) bore directionally drilled adjacent the primary well bore in a path away from the primary well.

L'invention a trait à une technique d'élimination de débris de forage produits par le forage de puits de pétrole ou de gaz par injection dans l'espace annulaire d'un puits de forage et dans la couche géologique et ce pendant toute l'opération de forage au moyen de tubages de revêtement auxiliaires (42), de conduits d'injection (28) rattachés extérieurement à la colonne de tubage de surface (16) et par injection dans un puits de forage spécial (54) dont le sens de forage est adjacent à celui du puits de forage principal mais à l'écart de celui-ci.

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