Apparatus for molding proppants and method

B - Operations – Transporting – 29 – B

Patent

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Details

B29B 9/10 (2006.01) B29D 99/00 (2010.01) B29C 45/18 (2006.01) B29C 45/42 (2006.01) E21B 43/267 (2006.01)

Patent

CA 2680022

An apparatus for molding a proppant is disclosed. The apparatus comprises a first member comprising a manifold for channeling a plastic fluid to a cavity block, with the cavity block containing a plurality of semi-spherical cavities. The apparatus further includes a second member that comprises a movable plate for engaging with the first member, with the movable plate having an opening therein, and a core block positioned within the opening, with the core block containing a plurality of reciprocal semi-spherical cavities configured to engage the semi-spherical cavities of the cavity block so that a plurality of spheres are formed, with the core block further containing a plurality of arm cavities that link the plurality of spheres so that a star cluster (which links the proppants) is formed. A method of manufacturing proppants and a method of using the proppants is also disclosed.

L'invention concerne un appareil pour mouler un agent de soutènement. L'appareil comprend un premier élément comprenant un manifold pour donner un cheminement préférentiel à un fluide plastique vers un bloc de cavités, le bloc de cavités contenant une pluralité de cavités demi-sphériques. L'appareil comporte en outre un deuxième élément qui comprend une plaque mobile pouvant être en prise avec le premier élément, la plaque mobile ayant une ouverture et un bloc central positionné dans l'ouverture, le bloc central contenant une pluralité de cavités demi-sphériques réciproques configurées pour être en prise avec les cavités demi-sphériques du bloc de cavités afin de former une pluralité de sphères, le bloc central contenant en outre une pluralité de cavités de bras qui relient la pluralité de sphères afin de former une grappe en étoile (qui relie les agents de soutènement). L'invention concerne également un procédé de fabrication des agents de soutènement et un procédé d'utilisation des agents de soutènement.

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