Apparatus and method for treating an interval of a wellbore

摘要

An apparatus ( 110 ) and method for treating an interval of a wellbore comprises an outer tubular ( 112 ) disposed within the wellbore. A sand control screen ( 118 ) is disposed within the outer tubular ( 112 ). A treatment fluid passageway ( 144 ) is formed between the sand control screen ( 118 ) and outer tubular ( 112 ). In addition, a production pathway ( 130 ) is formed between the sand control screen ( 118 ) and outer tubular ( 112 ). When the apparatus ( 110 ) is in an operable position, the region between the outer tubular ( 112 ) and the wellbore serves as a primary path for delivery of a treatment fluid, the production pathway ( 130 ) serves as a secondary path for delivery of the treatment fluid if the primary path becomes blocked and the treatment fluid passageway ( 144 ) serves as a tertiary path for delivery of the treatment fluid if the primary and secondary paths become blocked.