FIELD: oil and gas production. SUBSTANCE: additive offered is waste from stages of dehydration and drying of apatite concentrate and contains at least 36 wt % phosphorus pentoxide and no more than 50 wt % calcium oxide. EFFECT: reduced cost.
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PREPARING DRILLING COMPOSITIONS | 1995 |
|
RU2088627C1 |
| ADDITIVE FOR DRILLING MUD COMPOSITIONS | 1999 |
|
RU2177492C2 |
| METHOD FOR OBTAINING GEL-FORMING COMPOSITION | 2001 |
|
RU2234598C2 |
| METHOD FOR PRODUCTION OF WATERPROOFING COMPOUND | 1994 |
|
RU2064570C1 |
| METHOD OF DRILLING FLUID TREATMENT | 1992 |
|
RU2026876C1 |
| METHOD OF FLOTATION OF NONSULFIDE ORES | 2000 |
|
RU2171717C1 |
| PROCESS FOR PREPARING STABILIZER REAGENT FOR MUDS | 0 |
|
SU1814652A3 |
| TECHNIQUE TO BURY LIQUID WASTE IN THE FORM OF BRINE CONTAINED IN UNDERGROUND SALT CHAMBER | 2001 |
|
RU2221148C2 |
| REAGENT FOR TREATMENT OF WATER-BASED DRILLING MUDS | 0 |
|
SU1776270A3 |
| REAGENT-STABILIZER FOR DRILLING SOLUTIONS | 0 |
|
SU1838365A3 |
