Proppant, proppant production method and use of proppant

C - Chemistry – Metallurgy – 09 – K

Patent

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Details

C09K 8/80 (2006.01) C04B 35/64 (2006.01) E21B 43/267 (2006.01)

Patent

CA 2673935

The invention relates to the area of oil and gas production (especially, to the production in which the propping technique is used for the stimulation of a well) and can be used in the development of a composition and a method of production of propping agents (proppant), as well as a method of application of these propping agents. A new type of proppant, proppant production method and use of the proppant are based on allowing the production of proppant having an apparent density of 2.5 to 4.0 g/cm3, as well as a high mechanical strength and a high chemical durability. A proppant contains granules made of the sintered feedstock, wherein the charge mixture containing at least one of the following materials - silicon carbide, boron carbide, titanium carbide, silicon nitride, titanium nitride, boron nitride, silicon oxynitrides, SIALON-type compounds, was used as the feedstock.

L'invention concerne le domaine de la production de pétrole et de gaz naturel (notamment la production pour laquelle la technique du soutènement est utilisée pour stimuler un puit) et concerne notamment le développement d'une composition et un procédé de fabrication d'agents de soutènement, ainsi qu'un procédé d'application de ces agents de soutènement. Un nouveau type d'agent de soutènement, un procédé de fabrication d'un agent de soutènement et l'utilisation de l'agent de soutènement sont fondés sur la fabrication d'un agent de soutènement ayant une densité apparente de 2,5 à 4,0 g/cm3, ainsi qu'une résistance mécanique élevée et une grande durabilité chimique. Un agent de soutènement contient des granules constituées d'une matière première frittée, un mélange de charges contenant au moins un des matériaux suivants : carbure de silicium, carbure de bore, carbure de titane, nitrure de silicium, nitrure de titane, nitrure de bore, oxynitrures de silicium, composés de type SIALON, étant utilisé en tant que matière première.

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