Well plug additive, well plug treatment fluid made...

Details Well plug additive, well plug treatment fluid made... Well plug additive, well plug treatment fluid made...

2005-08-23

2005-08-23

Suchfield, George (Department: 3672)

Wells

Processes

Cementing, plugging or consolidating

C166S294000, C166S300000, C175S072000, C507S204000, C507S225000, C507S269000, C507S903000, C523S130000

Reexamination Certificate

active

06932158

ABSTRACT:
For well plug treatment to plug an abandoned well, a well plug additive including a dry mixture of water soluble crosslinkable polymer, a crosslinking agent, and filter aid, and optionally, a reinforcing material preferably of fibers and/or comminuted plant materials. The method of forming a well plug fluid includes contacting the additive with water or an aqueous solution, with a method of plugging the well further including the step of injecting the fluid into the wellbore.

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