Method of simultaneously stimulating multiple zones of a formation using flow rate restrictors
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United States of America Patent
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Sep 29, 2015
Grant Date -
Oct 17, 2013
app pub date -
Apr 12, 2012
filing date -
Apr 12, 2012
priority date (Note) -
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Abstract
A method of simultaneously stimulating at least a first and second zone of a subterranean formation that includes flowing a fluid through multiple flow rate restrictors, with a first restrictor located adjacent the first zone, a second restrictor located adjacent the second zone, and the first and second restrictors are connected in parallel. As at least one of the fluid properties changes, the flow rates of the fluid exiting the first and second restrictors are similar within a flow rate range, and allowing the fluid to stimulate at least the first and second zones. As at least one of the properties of the fluid changes, the pressure differential between a fluid inlet and a fluid outlet increases and as the pressure differential increases, the flow rate of the fluid exiting the fluid outlet is maintained within the flow rate range.
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