FIELD: oil and gas production; protection of formation pressure maintenance systems and formation water and waste water utilization systems.
SUBSTANCE: proposed corrosion inhibitor contains product of condensation of heavy coal-tar pyridine bases and phenol resin in the amount of 80-90 mass-%; used as solvent is fusel oil; the remainder being monobasic alcohols C3-C5.
EFFECT: enhanced efficiency of protection of metals in highly mineralized subacidic media.
3 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| CORROSION INHIBITOR FOR FERROUS METALS IN SUBACID MEDIA | 2001 |
|
RU2225461C2 |
| AGENT INHIBITING CORROSION OF FERROUS METALS IN ACID MEDIA | 2001 |
|
RU2225897C2 |
| INHIBITOR OF CORROSION OF FERRIC METALS IN ACID MEDIA | 1999 |
|
RU2179599C2 |
| METHOD FOR MAKING INHIBITOR OF FERROUS METAL CORROSION IN ACIDIC MEDIA | 2001 |
|
RU2216607C2 |
| CORROSION INHIBITOR FOR PROTECTING STEEL DOWNHOLE EQUIPMENT AND OIL- GATHERING SYSTEMS | 1999 |
|
RU2151217C1 |
| METHOD OF PRODUCTION OF OLASOL T2P CORROSION INHIBITOR FOR PROTECTION OF STEEL DOWNHOLE EQUIPMENT AND OIL-GATHERING SYSTEMS | 1998 |
|
RU2143501C1 |
| COMPOSITION FOR PROTECTION OF METALS FROM CORROSION IN MINERALIZED HYDROGEN SULFIDE-CONTAINING AQUEOUS MEDIA | 1999 |
|
RU2176257C2 |
| METHOD OF PRODUCTION OF ANTI-CORROSION COMPOSITION | 1999 |
|
RU2227176C2 |
| METHOD OF PREPARING CORROSION INHIBITOR "LIMAN-11" FOR PROTECTION OF STEEL EQUIPMENT, IN PARTICULAR, OIL-GATHERING SYSTEM EQUIPMENT | 1999 |
|
RU2149918C1 |
| METHOD OF PREPARING METAL CORROSION INHIBITOR | 1993 |
|
RU2114158C1 |
