Inverted drainholes

Details Inverted drainholes Inverted drainholes

E - Fixed Constructions

21

B

E21B 7/06 (2006.01) E21B 43/30 (2006.01)

Patent

CA 2713430

A method and apparatus for creating inverted laterals or drainholes (106) having an inverted or upwardly inclining bore in a producing interval from a generally vertical wellbore (103) and a method for drilling, completing, and producing from such a drainhole.

L'invention concerne un procédé et un appareil servant à créer des embranchements ou puits de drainage inversés comportant un alésage inversé ou s'inclinant vers le haut dans un intervalle de production partant d'un puits de forage globalement vertical et un procédé de forage, d'achèvement et de production à partir d'un tel puits de drainage.

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