FIELD: oil and gas industry.
SUBSTANCE: liquid comprises 2.0-70.0 wt % of inorganic salts or mixtures thereof or hydrates of these salts, 0-20.0 wt % of dispersed phase, 0.2-20.0 wt % of polymer composition SCA-214, 0.02-2.0 wt % of surface-active agent (SAA) and water.
EFFECT: minimized killing adverse effect on filtration-volumetric characteristics of oil and gas wells, reduced development duration, maintained productivity, decreased hydration of argillaceous deposits and reduced surface tension at the hydrocarbon liquid interface.
3 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| WELL KILLING FLUID | 2020 |
|
RU2737753C1 |
| MULTIFUNCTIONAL ACID COMPOSITION FOR TREATMENT OF BOTTOMHOLE FORMATION ZONE AND METHOD OF ACID TREATMENT FOR BOTTOMHOLE FORMATION ZONE | 2014 |
|
RU2572401C2 |
| MARKER FOR FLUID MEDIUM, FLUID MEDIUM MARKING METHOD AND FLUID MEDIUM IDENTIFICATION METHOD | 2019 |
|
RU2724879C1 |
| METHOD FOR PROCESSING BOTTOMHOLE FORMATION ZONE | 2014 |
|
RU2583104C1 |
| METHOD OF DAMPING OIL AND GAS WELLS IN COMPLICATED CONDITIONS (OPTIONS) | 2017 |
|
RU2662721C1 |
| WELL-KILLING FLUID | 1998 |
|
RU2151162C1 |
| OIL-AND-GAS WELL KILL FLUID | 2005 |
|
RU2279462C1 |
| METHOD AND LIQUID FOR PLUGGING OF WELL | 1996 |
|
RU2104392C1 |
| STABILIZER FOR COLLECTOR PROPERTIES OF OIL FORMATION | 2006 |
|
RU2312880C1 |
| FLUID FOR WELL KILLING | 2011 |
|
RU2460753C1 |
