Crosslinker suspension compositions and uses thereof

Details Crosslinker suspension compositions and uses thereof Crosslinker suspension compositions and uses thereof

2011-06-28

2011-06-28

Kugel, Timothy J. (Department: 1761)

Earth boring, well treating, and oil field chemistry

Well treating

Contains organic component

C507S266000, C507S269000, C507S273000

Reexamination Certificate

active

07968501

ABSTRACT:
A delayed crosslinker system useful in downhole treatment fluids is disclosed. The crosslinker system comprises water-reactive solids, a non-aqueous, non-oily, hygroscopic liquid, a suspension aid, and an optional polyol. The crosslinker system may be prepared at a remote location and transported to the site of its intended use. There it may be pumped into a formation and activated when a gel fluid is introduced into the wellbore, only then forming a high viscosity treatment fluid. Thus, the amount of energy required for pumping is reduced. The optional polyol component increases crosslink delay and enhances the rate of viscosity after high shear (shear recovery).

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