DOWNHOLE POLYMERIZABLE CLAY CONTROL AGENT FOR SHALE TREATMENT

摘要

A method of treating a well includes placing a first stream comprising a carrier fluid, a polymerizable small molecule cationic clay control monomer, and an optional polymerization initiator into a fracture in a clay-containing subterranean formation, allowing the small molecule cationic clay control monomer to at least partially adsorb to a portion of the surface of the clay, and polymerizing at least a portion of the adsorbed clay control monomer. A clay stabilizing fluid includes an aqueous base fluid, a polymerizable small molecule cationic clay control monomer, and a polymerization initiator.

主权项

1. A well treatment method comprising:
placing a first stream comprising a carrier fluid and a polymerizable small molecule cationic clay control monomer into a fracture in a clay-containing subterranean formation; allowing the small molecule cationic clay control monomer to at least partially adsorb to a portion of the surface of the clay; and initiating the polymerization of the adsorbed clay control monomer, wherein the initiating step consists of initiating the polymerization by one from the group consisting of a chemical compound, temperature, pressure, and combinations thereof, wherein the method results in greater permeability in the clay-containing subterranean formation.