Methods and compositions for crosslinking polymers with...

Details Methods and compositions for crosslinking polymers with... Methods and compositions for crosslinking polymers with...

2008-07-10

2010-06-22

Seidleck, James (Department: 1796)

Earth boring, well treating, and oil field chemistry

Well treating

Contains organic component

C507S136000, C507S137000, C507S211000, C507S213000, C507S217000, C507S244000, C507S254000, C507S260000, C507S263000, C507S264000, C166S308200

Reexamination Certificate

active

07741253

ABSTRACT:
The present invention provides a method of forming a viscosified treatment fluid comprising: providing a treatment fluid that comprises water and a gelling agent; contacting the treatment fluid with a boronic acid crosslinking agent so as to form a crosslinked gelling agent, wherein the boronic acid crosslinking agent comprises a compound having the formula:The present invention also provides methods of crosslinking gelling agent molecules, methods of treating a subterranean formation, methods of reusing viscosified treatment fluids, methods of fracturing subterranean formations, and methods of placing a gravel pack in subterranean formations. The present invention also provides boronic acid crosslinking agents and viscosified treatment fluids that comprise crosslinked gelling agents, the crosslinked gelling agent being formed from a reaction comprising a gelling agent and a boronic acid crosslinking agent.

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