Canister, sealing method and composition for sealing a borehole

Wells – Processes – Cementing – plugging or consolidating

Reexamination Certificate

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Details

C166S286000, C166S300000, C175S065000

Reexamination Certificate

active

06910537

ABSTRACT:
Method and composition for sealing a borehole. A chemically bonded phosphate ceramic sealant for sealing, stabilizing, or plugging boreholes is prepared by combining an oxide or hydroxide and a phosphate with water to form slurry. The slurry is introduced into the borehole where the seal, stabilization or plug is desired, and then allowed to set up to form the high strength, minimally porous sealant, which binds strongly to itself and to underground formations, steel and ceramics.

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