FIELD: oil and gas production. SUBSTANCE: composition removes salts, asphalt-tar and paraffin deposits, and corrosion products and prevents them from formation in petroleum production, transportation, and storage systems. Composition contains at least one organic acid: hydroxyethylidenediphosphonic, acetic, formic, and/or benzenesulfonic acid; inorganic acid(s): phosphoric, and/or hydrofluoric acid; ionic or nonionic surfactant; water; and at least one organic solvent: acetone, dimethylformamide, toluene, and/or oil solvent. EFFECT: improved performance characteristics. 2 cl, 6 tbl
Title | Year | Author | Number |
---|---|---|---|
COMPOSITION FOR REMOVING AND PREVENTING FORMATION OF TAR-PARAFFIN DEPOSITS | 1994 |
|
RU2080351C1 |
COMPOSITION FOR CHEMICAL CLEANING THE METALLIC SURFACES | 0 |
|
SU1829967A3 |
0 |
|
SU1782944A1 | |
METHOD OF OIL HOLE YIELD INCREASE | 1991 |
|
RU2049105C1 |
METHOD FOR WATER INFLUXES SHUTOFF | 1992 |
|
RU2042783C1 |
APPARATUS FOR REMOVAL OF HYDRATEPARAFFIN SEDIMENTS | 1993 |
|
RU2068491C1 |
METHOD OF APPLICATION OF ANTI-CORROSIVE COATING ON PIPE | 1991 |
|
RU2033568C1 |
METHOD FOR REMOVAL OF HYDRATE-PARAFFIN DEPOSITS | 0 |
|
SU1810495A1 |
COMPOUND FOR HEAT-INSULATING MATERIALS MANUFACTURING | 0 |
|
SU1834870A3 |
CONCRETE MIXTURE | 0 |
|
SU1826962A3 |
Authors
Dates
1997-03-27—Published
1994-08-05—Filed