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Method of using crosslinkable brine containing compositions

  • US 7,896,078 B2
  • Filed: 01/14/2009
  • Issued: 03/01/2011
  • Est. Priority Date: 01/14/2009
  • Status: Active Grant
First Claim
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1. A method for enhancing the thermal insulation of a production tubing or transfer pipe surrounded by at least one annuli in an oil, gas or geothermal well, comprising:

  • (a) adding to the at least one annuli a pumpable polymerizable fluid comprising a crosslinkable, monofunctional alkene, a multi-functional alkene, a heat inducible free radical initiator and brine;

    (b) decomposing the heat inducible free radical initiator; and

    (c) increasing the viscosity of the pumpable polymerizable fluid while maintaining the fluid in contact with the at least one annuli to form a crosslinked hydrated polymer system in the brine.

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