FIELD: oil and gas industry.
SUBSTANCE: composition for isolation of water inflow in the well that includes sodium silicate, sodium methyl siliconate and gelling agent; it contains as sodium silicate aqueous solution of sodium silicate with M=2.7-3. and density of 1360-1450 kg/m3, as gelling agent - 10-20% aqueous solution of commercial calcium chloride or , or mineralized water with density of 1150-1200 kg/m3 and additionally acrylamide copolymer with sodium acrylate and wood flour with the following ratio of components, weight parts: aqueous solution of sodium silicate 100, sodium methyl siliconate 10-50, gelling agent 10-50, acrylamide copolymer with sodium acrylate 0.05-0.5, wood flour 1-5.
EFFECT: prolonged duration of water isolation effect and expanded functionalities of the composition.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| COMPOSITION FOR PREVENTING THE OCCURRENCE OF HIGHLY MINERALIZED FLUIDS IN THE WELL | 2022 |
|
RU2806757C1 |
| WELL WATER PRODUCTION ISOLATION COMPOSITION | 2013 |
|
RU2526039C1 |
| LIMITATION OF WELL WATER PRODUCTION | 2013 |
|
RU2525079C1 |
| GROUTING MIXTURE USING A MAGNETIC GRANULAR POLYMER COMPOSITION WITH THE POSSIBILITY OF SELF-HEALING CEMENT STONE FOR CASING STRINGS ATTACHMENT AND REPAIR AND INSULATION WORKS | 2020 |
|
RU2751148C1 |
| METHOD FOR RESTRICTING THE WATER SUPPLY TO THE OIL-WELLING WELL THAT IS EQUIPPED WITH THE DEPTH INSERTED BY THE ROD WELL PUMP | 2016 |
|
RU2646153C1 |
| METHOD OF WATER INFLOW LIMITATION IN FRACTURED CARBONE RESERVOIRS | 2015 |
|
RU2614997C1 |
| COMPOSITION FOR ISOLATING WATER INFLUX INTO WELL | 2019 |
|
RU2714753C1 |
| COMPOSITION FOR ISOLATING WATER INFLUX INTO WELL | 2019 |
|
RU2710862C1 |
| COMPOSITION FOR ISOLATING WATER INFLUX INTO WELL | 2019 |
|
RU2713063C1 |
| METHOD FOR REPAIR AND INSULATION WORKS IN WELL | 2014 |
|
RU2580534C1 |
