FIELD: oil and gas industry.
SUBSTANCE: group of inventions relates to the oil industry, in particular to the compositions for isolating the water inflow in producing wells and treating the injection wells in order to equalize the injectivity profile and increase the formation coverage. In the first variant, the composition contains 13.2–19.5 wt. % of a liquid glass with a silicate modulus of 2.7–3.4, 1.6–2.0 wt. % of ammonium salt in the form of ammonium sulfate and water – the rest. In the second variant, the composition contains 14.9–17.5 % by weight of a liquid glass with a silicate modulus of 3.5–6, 0.9–1.1 % by weight of an ammonium salt in the form of ammonium sulfate and water with the remainder.
EFFECT: technical result is increased strength of the gel-forming composition.
2 cl, 2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| COMPOSITION FOR ISOLATING WATER INFLUX INTO WELL | 2019 |
|
RU2705670C1 |
| GEL-FORMING COMPOUND | 2017 |
|
RU2669970C1 |
| COMPOSITION FOR LIMITING WATER INFLUX INTO WELL | 2019 |
|
RU2705111C1 |
| GEL-FORMING COMPOSITION FOR ISOLATION OF WATER INFLOWS IN GAS WELLS | 2023 |
|
RU2798371C1 |
| GEL-FORMING COMPOSITIONS FOR WELL WATER SEALING | 2009 |
|
RU2397195C1 |
| COMPOSITION FOR INSULATION OF WATER INFLOWS TO GAS WELLS AND METHOD FOR ITS MAKE-UP | 2014 |
|
RU2571458C1 |
| METHOD OF ISOLATION OF WATER INFLUXES TO WELL (VERSIONS) | 2014 |
|
RU2550617C1 |
| GEL-FORMING COMPOUND FOR RESTRICTION OF WATER INFLOW TO WELL | 2009 |
|
RU2418030C2 |
| COMPOSITION FOR ISOLATING WATER INFLUX INTO WELL | 2017 |
|
RU2669648C1 |
| ISOLATION METHOD OF WATER INFLUXES TO WELL (VARIANTS) | 2017 |
|
RU2667241C1 |
