Patent ID: 7637317

Claim:
A method for use in a wellbore having a plurality of target completion intervals, comprising: (a) running a casing, having a plurality of casing valves and at least one flapper valve formed therein, such that each of the plurality of casing valves is closed and proximate one of the target completion intervals, and each of the at least one flapper valves is open and positioned above one of the plurality of casing valves; (b) cementing the casing within the wellbore; (c) opening one of the plurality of casing valves with a shifting tool; (d) breaking down the target completion interval proximate the opened casing valve; (e) treating the target completion interval; (f) closing the flapper valve immediately above the opened casing valve, using the shifting tool; (g) repeating (c) through (f) for each of the remaining plurality of target completion intervals, excluding the last of such intervals; and (h) repeating (c) through (e) for the last of the plurality of target completion intervals; wherein the order of opening the target completion intervals is from the lowest to the highest.