Method and apparatus for isolating a jet forming aperture in...

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 33/13 (2006.01) E21B 43/11 (2006.01) E21B 43/114 (2006.01) E21B 43/26 (2006.01)

Patent

CA 2694146

An embodiment of a well bore servicing apparatus includes a housing having a through bore and at least one high pressure fluid aperture in the housing, the fluid aperture being in fluid communication with the through bore to provide a high pressure fluid stream to the well bore, and a removable member coupled to the housing and disposed adjacent the fluid jet forming aperture and isolating the fluid jet forming aperture from an exterior of the housing. An embodiment of a method of servicing a well bore includes applying a removable member to an exterior of a well bore servicing tool, wherein the removable member covers at least one high pressure fluid aperture disposed in the tool, lowering the tool into a well bore, exposing the tool to a well bore material, wherein the removable cover prevents the well bore material from entering the fluid aperture, removing the removable member to expose a fluid flow path adjacent an outlet of the high pressure fluid aperture, and flowing a well bore servicing fluid through the fluid aperture outlet and flow path.

Un mode de réalisation d'un appareil d'entretien de puits de forage comprend un boîtier ayant un alésage traversant et au moins une ouverture de fluide haute pression dans le boîtier, l'ouverture de fluide étant en communication de fluide avec l'alésage traversant pour fournir un courant de fluide haute pression vers le puits de forage, et un élément amovible couplé au boîtier et disposé adjacent à l'ouverture de formation de jet de fluide et isolant l'ouverture de formation de jet de fluide vis-à-vis d'un extérieur du boîtier. Un mode de réalisation d'un procédé d'entretien d'un puits de forage comprend l'application d'un élément amovible à un extérieur d'un outil d'entretien de puits de forage, l'élément amovible recouvrant au moins une ouverture de fluide haute pression disposée dans l'outil, l'abaissement de l'outil dans un puits de forage, l'exposition de l'outil à un matériau de puits de forage, le couvercle amovible empêchant le matériau de puits de forage d'entrer dans l'ouverture de fluide, le retrait de l'élément amovible pour exposer un trajet d'écoulement de fluide adjacent à une sortie de l'ouverture de fluide haute pression, et l'écoulement d'un fluide d'entretien de puits de forage à travers la sortie d'ouverture de fluide et le trajet d'écoulement.

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