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Water-based system for altering wettability of porous media

  • US 6,579,572 B2
  • Filed: 08/13/2001
  • Issued: 06/17/2003
  • Est. Priority Date: 08/13/2001
  • Status: Expired due to Term
First Claim
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1. A method for altering wettability of a reservoir formation, comprising the steps of:

  • providing a water-based fluid containing a wettability altering coating system; and

    flowing said fluid into a reservoir so as to coat said reservoir with said coating system, wherein said coating system comprises wettability altering nanoparticles.

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