Diverting agent and method of filling fracture in well using same
A diverting agent is provided that exhibits sufficient filling properties against a fracture in a well because of swelling without complete dissolution for a certain period of time (about 30 minutes to 5 hours), and that quickly dissolves and can be removed even at a low temperature of 40° C. to 60°...
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| creator | Taniguchi, Ryosuke Furo, Chizuko Hirano, Yasuhiro Saka, Takahiro |
| description | A diverting agent is provided that exhibits sufficient filling properties against a fracture in a well because of swelling without complete dissolution for a certain period of time (about 30 minutes to 5 hours), and that quickly dissolves and can be removed even at a low temperature of 40° C. to 60° C. after a certain period of time has passed. Also provided is a diverting agent that contains a modified polyvinyl alcohol-based resin. |
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| subjects | ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DYES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | Diverting agent and method of filling fracture in well using same |
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