FIELD: lining of oil and gas wells, particularly, weighted grouting mortars for cementing under conditions of abnormally high formation pressures and temperatures. SUBSTANCE: weighted grouting mortar contains components in the following amounts, wt. %: oil-well Portland cement 22.22-37.04; iron ore concentrate 51.85-37.04; acetal alcohol stabilizer 0.74-0.15; the balance, water. EFFECT: higher density, increased spreading and time of solidification with simultaneous provision of rated time of setting of weighted grouting mortar and strength of stone at medium and elevated temperatures. 2 tbl, 1 ex _
| Title | Year | Author | Number |
|---|---|---|---|
| WEIGHTED EXPANDING GROUTING MORTAR | 1999 |
|
RU2170809C1 |
| WEIGHTED PLUGGING SOLUTION | 1996 |
|
RU2109924C1 |
| BASE OF DENSIFIED GROUTING MORTAR MAINLY USED IN FRACTURED CARBONATE RESERVOIRS | 2004 |
|
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|
RU2782526C1 |
| WEIGHTED GROUTING MORTAR | 2015 |
|
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| BASE OF WEIGHTED PLUGGING MORTAR | 2001 |
|
RU2194844C2 |
| METHOD OF PREPARATION OF LIGHT-WEIGHT GROUTING MORTAR | 2002 |
|
RU2215124C1 |
| METHOD OF PREPARATION OF GROUTING COMPOSITION | 2001 |
|
RU2186942C1 |
| BASE OF A WEIGHTED HEAT-RESISTANT GROUTING SOLUTION | 2020 |
|
RU2763195C1 |
| WEIGHTED GROUTING MORTAR | 2019 |
|
RU2717854C1 |
