CPC C09K 8/467 (2013.01) [C04B 22/124 (2013.01); C04B 22/142 (2013.01); C04B 24/123 (2013.01); C04B 24/16 (2013.01); C04B 28/105 (2013.01); E21B 33/13 (2013.01); C04B 2103/22 (2013.01); C04B 2103/40 (2013.01); C09K 2208/30 (2013.01)] | 17 Claims |
1. A method comprising:
introducing a treatment fluid comprising an aqueous base fluid, at least one viscoelastic surfactant, a divalent salt, magnesium sulfate heptahydrate (MgSO4·7H2O), and magnesium oxide (MgO) into a wellbore penetrating at least a portion of a subterranean formation; and
allowing the treatment fluid to at least partially set in the subterranean formation,
wherein the magnesium sulfate heptahydrate is present in a concentration of about 20% to about 35% by weight of the treatment fluid and wherein the magnesium oxide is present in a concentration of about 20% to about 35% by weight of the treatment fluid.
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