FIELD: oil and gas production.
SUBSTANCE: expansion composition for grouting mortar, containing magnesite caustic powder and a softener, as said softener contains high-range water reducer "Polyplast-SP-1" and additionally a coagulant - "Aqua-Aurat" in the following ratio, wt %: magnesite caustic powder 94.0-99.5, high-range water reducer "Polyplast-SP-1" 0.1-2.0, coagulant - "Aqua-Aurat" 0.4-4.0.
EFFECT: improved quality of well casing.
2 ex, 2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| REAGENT FOR GROUTING MORTAR AND GROUTING MORTAR | 2007 |
|
RU2359004C2 |
| PLUGGING SLURRY COMPLEX REAGENT | 2008 |
|
RU2380393C1 |
| GROUTING MORTAR REAGENT, GROUTING MORTAR AND WELL CEMENTING METHOD | 2004 |
|
RU2268989C2 |
| GROUTING ADMIXTURE | 2002 |
|
RU2224876C1 |
| THINNED PLUGGING COMPOSITION | 1999 |
|
RU2165006C1 |
| WEIGHTED EXPANDING GROUTING MORTAR | 1999 |
|
RU2170809C1 |
| PLUGGING MIX | 2003 |
|
RU2245989C1 |
| MAGNESIA PLUGGING MATERIAL | 2008 |
|
RU2374293C1 |
| BACKFILL COMPOSITION FOR PROCESS LIQUID THIEF ZONES ISOLATION IN WELL BORING | 2007 |
|
RU2337123C1 |
| AERATED CEMENT MORTAR | 1994 |
|
RU2084427C1 |
