CPC C09K 8/572 (2013.01) [C09K 8/72 (2013.01); E21B 21/003 (2013.01); E21B 33/138 (2013.01); E21B 37/00 (2013.01)] | 20 Claims |
1. A method for stabilizing a wellbore during drilling in a subterranean formation, the method comprising:
pausing a drilling operation;
introducing a first fluid into a rock matrix of a formation, wherein the first fluid comprises a first water soluble salt and a first carrier;
introducing a second fluid into the rock matrix of the formation, wherein the second fluid comprises a second water soluble salt and a second carrier, and wherein the first fluid and second fluid produce a solid precipitate upon contact, wherein the solid precipitate comprises at least one of calcium carbonate, calcium sulfate, calcium phosphate, or calcium hydroxide;
allowing the solid precipitate to consolidate to form in-situ in the rock matrix of the formation and enhance a strength of the rock matrix of the formation; and
continuing the drilling operation.
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