FIELD: mining industry.
SUBSTANCE: invention relates to water-based drilling muds and can be used for drilling unstable clay rocks and opening productive formations. Drilling mud contains, wt. %: clay powder 3-4; polyamine polyepichlorohydrindimethylamine 10-15; water the rest. To increase the density, the drilling mud can be weighted with barite concentrate in an amount from 5 to 150 mass parts per 100 mass parts of the solution.
EFFECT: decrease in the plastic viscosity of the working fluid and a decrease in the consumption of clay powder, as well as the possibility of preparing low-clay drilling muds for drilling.
2 cl, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| POLYCATIONIC DRILLING FLUID | 2022 |
|
RU2792854C1 |
| CATION-INHIBITING DRILLING MUD | 2011 |
|
RU2492208C2 |
| DRILLING MUD FOR DRILLING IN CLAY DEPOSITS | 2015 |
|
RU2591284C1 |
| DRILLING MUD | 2014 |
|
RU2567579C1 |
| LOW CLAY POLYCATIONIC DRILLING FLUID | 2022 |
|
RU2794254C1 |
| CATIONIC DRILLING MUD | 2015 |
|
RU2599394C1 |
| INHIBITING DRILLING MUD | 2015 |
|
RU2605109C1 |
| DRILLING MUD | 2015 |
|
RU2593159C1 |
| CATIONIC INHIBITING DRILLING MUD | 2020 |
|
RU2775214C2 |
| CATION-INHIBITING DRILLING MUD | 2013 |
|
RU2533478C1 |
