CPC C09K 8/426 (2013.01) [C09K 8/512 (2013.01); C09K 8/516 (2013.01); E21B 33/13 (2013.01)] | 2 Claims |
1. A cross-linked plugging agent, comprising:
a mixture of: 21 wt %-53 wt % of Potassium pyrophosphate (K4P2O7) as a main agent; 5 wt %-9 wt % of Xanthan gum as a gelling agent; and pure water, wherein the amounts are based on the total weight of the crosslinked plugging agent, and wherein the mixture forms a high density brine.
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