Use high alkalinity kieserohalosylvite water for the method improving recovery ratio application

Use high alkalinity kieserohalosylvite water for the method improving recovery ratio application

  • CN 102,762,688 B
  • Filed: 09/10/2010
  • Issued: 09/28/2016
  • Est. Priority Date: 09/10/2009
  • Status: Active Grant
First Claim
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1. , for processing a compositions for hydrocarbon containing formation, described compositions comprises:

  • A () alkali, surfactant and polymer (ASP) solution in water, wherein said ASP solution comprises anionic surface and livesProperty agent, and described anion surfactant is selected from ether sulfuric ester and its salt, and wherein said wet concentration is from hard water and kieserohalosylvite water;

    B () is the agent of chelating agen and alkali, wherein said agent is edetate.

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