FIELD: oil and gas production.
SUBSTANCE: invention refers to backfilling materials of temperature range of operation from 0 to 60°C and can be used in oil and gas industry. Polymer-cement backfilling solution of low-temperature wells contains, weight sh.: Portland cement PC-50-1-50 - 90-92; CFL-117 - 0.2-0.3; Concrepol - 1.0; HPC-1M - 8-10; water - 45-50.
EFFECT: creating un-shrinkable composition efficient at low temperature of operation.
3 tbl, 11 ex
| Title | Year | Author | Number |
|---|---|---|---|
| POLYMER-CEMENT GROUTING MORTAR | 2006 |
|
RU2319722C1 |
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|
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|
RU2426865C1 |
| GROUTING MORTAR | 2019 |
|
RU2707837C1 |
| SELECTIVE ACTION GROUTING MORTAR | 2013 |
|
RU2524595C1 |
