FIELD: oil and gas production.
SUBSTANCE: invention, in particular, relates to gas-oil wells with horizontal boreholes and provides grouting mortar comprising, wt %: grouting Portland cement 43.1-43.8, gypsum "G16" 2-2.3, alumina cement "GTs-40" 4.2-4.5, potash 0.4-0.5, microsilica 2-2.3, sand 43.1-43.8 and, additionally, "Sulfacell 25" 0.2-0.3, super-plasticizer "S-3" 0.2-0.3, plasticizer Walocel MKX 40000 PF01 0.2-0.3, and water-based organosilicon compound "GIFOB" 3.2-3.4, wherein water/solids ratio is maintained equal to 0.35-0.4.
EFFECT: increased waterproofness of grouting stone and enhanced efficiency of gas-oil well casing.
3 tbl, 5 ex
| Title | Year | Author | Number |
|---|---|---|---|
| HYDROGEN SULPHIDE RESISTANT GROUTING MORTAR | 2011 |
|
RU2471843C1 |
| EXPANSION AGENT FOR BACKFILL MATERIAL | 2015 |
|
RU2649181C2 |
| GROUTING MORTAR FOR CEMENTING AND SIDE SHAFTS WITH HORIZONTAL SECTIONS | 2015 |
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|
RU2172812C2 |
| DRY BUILDING MIX (VERSIONS) | 2006 |
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RU2301823C2 |
| METHOD OF PREPARATION OF LIGHT-WEIGHT GROUTING MORTAR | 2002 |
|
RU2215124C1 |
| PLUGGING AND INJECTION WATERPROOFING MATERIAL FOR CEMENTING OPERATIONS IN UNDERGROUND FORMATIONS | 2022 |
|
RU2784799C1 |
| PLUGGING COMPOSITION | 0 |
|
SU1271961A1 |
| DRY MIXTURE FOR PREPARING EXPANDING GROUTING MORTAR | 2019 |
|
RU2710943C1 |
