Canister, sealing method and composition for sealing a borehole
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United States of America Patent
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May 13, 2003
Grant Date -
N/A
app pub date -
Feb 22, 2000
filing date -
Apr 30, 1999
priority date (Note) -
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Abstract
Canister, sealing method and composition for sealing a borehole. The canister includes a container with slurry inside the container, one or more slurry exits at one end of the container, a pump at the other end of the container, and a piston inside that pushes the slurry though the slurry exit(s), out of the container, and into a borehole. An inflatable packer outside the container provides stabilization in the borehole. A borehole sealing material is made by combining an oxide or hydroxide and a phosphate with water to form a slurry which then sets to form a high strength, minimally porous material which binds well to itself, underground formations, steel and ceramics.
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