FIELD: oil and gas industry.
SUBSTANCE: raw mixture for obtaining light-weight grouting mortar, which contains plugging Portland cement, modifying additive, light-weight filler and liquid for pre-mixing, also contains Murapor Combi 756 complex additive with long life as modifying additive, and hollow ceramic microspheres as filler at the following component ratio, wt %: plugging Portland cement - 38…53.5, hollow ceramic microspheres - 10.7…22.8, Murapor Combi 756 complex additive - 0.114…0.16, liquid for pre-mixing - water or 2-8% of solution of sodium chloride or calcium chloride - the rest.
EFFECT: improving the sealing efficiency of after-tube and inter-tube space of oil-gas wells with simultaneous protection of perennial frozen rocks against thawing.
3 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| RAW MATERIAL MIXTURE FOR PRODUCTION OF FOAM CONCRETE | 2012 |
|
RU2507182C1 |
| GYPSUM CEMENT GROUTING SOLUTION | 2023 |
|
RU2802474C1 |
| LIGHTWEIGHT DRY MASONRY MIXTURE | 2015 |
|
RU2586354C1 |
| METHOD OF PREPARATION OF LIGHT GROUTING MORTAR OF DENSITY 1450-1500 kg/m | 2008 |
|
RU2385894C1 |
| CEMENTING MIXTURE | 2023 |
|
RU2807721C1 |
| OIL-WELL LIGHT WEIGHT PORTLANDCEMENT | 2013 |
|
RU2523588C1 |
| GROUTING MORTAR | 2019 |
|
RU2707837C1 |
| LIGHT-WEIGHT GROUTING MORTAR | 2004 |
|
RU2268352C1 |
| CEMENTING SLURRY | 2019 |
|
RU2726754C1 |
| LIGHT-WEIGHT PLUGGING MIX | 2004 |
|
RU2255205C1 |
