Patent ID: 9187977
Filing Date: 2015-11-17
Classification: E21B

Abstract:
1. A system for stimulating a multi-zone well, comprising: a tubular body dimensioned to be received within a wellbore, the tubular body being apportioned into at least a first zone and a second zone; a first set of plugs placed in pre-drilled holes along the tubular body within the first zone, the first set of plugs each comprising a first retainer to secure the respective plug in the respective pre-drilled hole from an interior surface of the tubular body, the first retainer being fabricated to dissolve upon contact with an acidic fluid within a first selected time period to permit the first plug to disengage from the respective pre-drilled hole; and a second set of plugs placed in pre-drilled holes along the tubular body within the second zone, the second set of plugs each comprising a second retainer to secure the respective plug in the respective pre-drilled hole from an interior surface of the tubular body, the second retainer being fabricated to dissolve upon contact with the acidic fluid within a second selected time period that is greater than the first selected time period to permit the respective plug to disengage from the respective pre-drilled hole.