Resin and foam resin sealants for zonal isolation and...

Details Resin and foam resin sealants for zonal isolation and... Resin and foam resin sealants for zonal isolation and...

C - Chemistry, Metallurgy

09

K

C09K 8/44 (2006.01) E21B 33/14 (2006.01)

Patent

CA 2740453

Epoxy-based, temperature specific zonal isolation compositions are disclosed and methods for isolating zones in borehole of oil and gas wells using the compositions, where the composition is adjusted for use in high-temperature, mid-temperature and low-temperature applications. Foamable epoxy-based zonal isolation sealing compositions are also disclosed and methods for isolating zones in borehole of oil and gas wells using the compositions. The foam nature of the cured seals provide sufficient compressibility and resiliency to be used with expandable tubing without substantial loss in sealant integrity and in squeeze operations.

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