FORMULATION TO SHUT OFF WATER INFLOW INTO PRODUCING WELL AND TO CONTROL INTAKE CAPACITY PROFILE OF INJECTING WELLS
FIELD: oil and gas production. ^ SUBSTANCE: invention, in particular, relates to producing and injecting wells operated in uniformly stratified and fractured reservoirs. Formulation according to invention containing water-soluble polymer (0.05-0.5%), alkali (1.0-5.0%), and water is characterized by...
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| creator | GANEEVA ZIL'FIRA MUNAVAROVNA FROLOV ALEKSANDR IVANOVICH RIZVANOV RAFGAT ZINNATOVICH KUBAREVA NADEZHDA NIKOLAEVNA KHISAMUTDINOV ALIK ISMAGZAMOVICH IBATULLIN RAVIL' RUSTAMOVICH JAKHINA OL'GA ALEKSANDROVNA ABROSIMOVA NATAL'JA NIKOLAEVNA FARKHUTDINOV GUMAR NAUFALOVICH MIKHAJLOV ANDREJ VALER'EVICH |
| description | FIELD: oil and gas production. ^ SUBSTANCE: invention, in particular, relates to producing and injecting wells operated in uniformly stratified and fractured reservoirs. Formulation according to invention containing water-soluble polymer (0.05-0.5%), alkali (1.0-5.0%), and water is characterized by additionally containing acetone-formaldehyde resin (2.0-90.0%), utilizing polyacrylamide or polyethyleneoxide as polymer and sodium hydroxide, potassium hydroxide, or soda ash as alkali. ^ EFFECT: improved strength characteristics of formulation, which represents homogenous elastic system deeply penetrating into high-permeable formation, more fully mudding pore channels and redistributing water to low-permeability non-watered zones, reduced gel formation range of formulation, and expanded possibilities thereof. ^ 2 tbl, 2 ex |
| format | Patent |
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Formulation according to invention containing water-soluble polymer (0.05-0.5%), alkali (1.0-5.0%), and water is characterized by additionally containing acetone-formaldehyde resin (2.0-90.0%), utilizing polyacrylamide or polyethyleneoxide as polymer and sodium hydroxide, potassium hydroxide, or soda ash as alkali. ^ EFFECT: improved strength characteristics of formulation, which represents homogenous elastic system deeply penetrating into high-permeable formation, more fully mudding pore channels and redistributing water to low-permeability non-watered zones, reduced gel formation range of formulation, and expanded possibilities thereof. ^ 2 tbl, 2 ex</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMISTRY DYES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES |
| title | FORMULATION TO SHUT OFF WATER INFLOW INTO PRODUCING WELL AND TO CONTROL INTAKE CAPACITY PROFILE OF INJECTING WELLS |
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