SHIFTING SLEEVE OPERATED WITH PLUG AGAINST TWO OR MORE PLUG SEATS
摘要:
Provided is an inner sleeve, a downhole tool, and a method for cementing. The inner sleeve, in at least one aspect, includes a tubular having an uphole end, a downhole end, an inside tubular surface and an outside tubular surface. The inner sleeve, in accordance with this aspect, further includes two or more plug seat openings circumferentially positioned about the tubular and extending from the outside tubular surface to the inside tubular surface, the two or more plug seat openings configured to engage with two or more associated plug seats and allow the two or more associated plug seats to move between a radially retracted state and a radially extended state.
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