Appeal No. 2003-0604
Application No. 09/307,544
8. The additive of claim 7 wherein the reinforcing material is
a comminuted material selected from among comminuted materials
derived from peanuts, wood, paper any portion of rice seed or
plant, any portion of corn cobs, and mixtures thereof.
9. The additive of claim 8 wherein the additive further
includes cellophane, and wherein the reinforcing material is a
comminuted material selected from among mixtures of comminuted
rice fraction and peanut hulls; mixtures of comminuted rice
fraction, and wood fiber or almond hulls; mixtures of comminuted
rice fraction and corn cob fraction; and mixtures of comminuted
rice fraction and corn cob fraction and at least one of wood
fiber, nut shells, and paper.
10. The additive of claim 9 wherein the reinforcing material
comprises comminuted mixture of rice fraction, corn cob pith and
chaff, cedar fiber, nut shells, and paper.
11. A method of forming a well plug fluid comprising:
(a) providing a well plug additive comprising a dry
mixture of water soluble crosslinking polymer, a crosslinking
agent, and a reinforcing material selected from among fibers and
comminuted plant materials; and
(b) contacting the well plug additive with water or an
aqueous solution to form the well plug fluid.
12. The method of claim 11 wherein the polymer is a partially
hydrolyzed polyacrylamide, the crosslinking agent is a chromic
carboxylate complex, wherein the additive further includes
cellophane, and wherein the reinforcing material is a comminuted
material selected from among mixtures of comminuted rice
fraction and peanut hulls; mixtures of comminuted rice fraction,
and wood fiber or almond hulls;’ mixtures of comminuted rice
fraction and corn cob fraction and at least one of wood fiber,
nut shells, and paper.
13. The additive of claim 12 wherein the reinforcing material
comprises comminuted mixture of rice fraction, corn cob pith and
chaff, cedar fiber, nut shells, and paper.
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