FIELD: well drilling.
SUBSTANCE: invention relates to the field of well drilling. The drilling fluid includes saponite clay sludge with a solids concentration from 80 to 100 g/l, containing saponite from 30 to 75 wt.%, and sodium sulphate lump in the following ratio of components, wt.%: saponite 8.20-10; sodium sulphate lump 0.27-0.94; water is the rest.
EFFECT: obtaining thermal stability of the drilling fluid, reducing filtration losses, improving rheological properties, using waste.
1 cl, 1 tbl, 7 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR CLARIFYING SAPONITE CLAY SUSPENSION | 2022 |
|
RU2800757C1 |
| METHOD OF DEPOSITION OF SAPONITE PULP WITH THE USE OF CALCIUM ALUMINUM SILICATE REAGENT | 2017 |
|
RU2675871C1 |
| METHOD FOR DEPOSITING SAPONITE PULP BY MEANS OF ALKALI METALS SULFATES AND BELITE | 2020 |
|
RU2743229C1 |
| PSEUDOPLASTIC DRILLING FLUID FOR IMPROVING WELLBORE CLEANING AND DRILLING METHOD USING IT (VARIANTS) | 2022 |
|
RU2798347C1 |
| METHOD OF PRODUCING MAGNESIUM-AMMONIUM PHOSPHATE FROM SAPONITE SLUDGE | 2023 |
|
RU2818698C1 |
| METHOD FOR CLARIFYING SAPONITE CLAY SUSPENSION | 2023 |
|
RU2810425C1 |
| HEAVY DRILLING FLUID | 2006 |
|
RU2315076C1 |
| DRILLING MUD FOR CONSTRUCTION OF WELLS IN UNSTABLE CLAY AND NON-CEMENTED SOILS AND METHOD FOR PRODUCTION THEREOF | 2017 |
|
RU2704658C2 |
| DRILLING FLUID FOR FLUSHING OF LONG-DISTANCE STEEPLY INCLINED WELLS UNDER CONDITIONS OF PERMAFROST AND HIGHLY COLLOIDAL CLAY ROCKS, AND ITS APPLICATION METHOD | 2011 |
|
RU2483091C1 |
| METHOD FOR PREPARATION OF GROUTING MORTAR FOR INSULATION AND PREVENTION OF EARTHFALLS IN CAVERNOUS PART OF SHAFT OF WELLS, AND MAINLY GENTLY SLOPING AND HORIZONTAL ONES | 2012 |
|
RU2489468C1 |
