Fracturing fluid
AssigneesCalfrac Well Services Ltd., Chemergy Ltd.
InventorsTravis L. Allan, Junad Amin, Alan K. Olson, Ronald G. Pierce, Dwight M. Bobier
Life of this patent
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Abstract
There is described a fracturing fluid comprising a polar base, 0.1-5.0% of a mid-molecular weight polyacrylate, and an activator for ionizing the polyacrylate to a hydroscopic state.
Claims57
A fracturing fluid comprising a polar base, 0.1-5.0% of a mid-molecular weight polyacrylate, an activator for ionizing said polyacrylate to a hygroscopic state and a breaker in an amount of 0.1-1.0% wt, wherein said breaker is NaCl or KCl.
A fracturing fluid comprising a polar base, 0.1-5.0% of a mid-molecular weight polyacrylate, and an activator for ionizing said polyacrylate to a hygroscopic state, wherein said polyacrylate is a polyacrylic acid polymer cross linked with polyalkenyl ethers or di-vinyl glycol.
A fracturing fluid comprising a polar base, 0.1-5.0% of a mid-molecular weight polyacrylate, an activator for ionizing said polyacrylate to a hygroscopic state, and
- a breaker wherein said breaker is encapsulated.
A fracturing fluid consisting essentially of a polar base, 0.1-5.0% of a mid-molecular weight polyacrylate, an activator for ionizing said polyacrylate to a hygroscopic state, and a breaker in an amount of 0.1-1.0% wt, wherein said breaker is NaCl or KCl.
A fracturing fluid comprising a polar base, 0.1-5.0% of a mid molecular weight polacrylate, an activator for ionizing said polyacrylate to a hygroscopic state wherein said fluid is emulsified with liquid CO2, or N2 and a surfactant.
Dependencies are inferred from the claim text.