FIELD: oil and gas industry.
SUBSTANCE: method includes serial pumping of film-forming hydrocarbon liquid and hydrochloric acid with adding of salt-acidic corrosion inhibitor to these, as said inhibitor a special paraffin deposits inhibitor is used, in form of composition of surfactants and aromatic solvents, while hydrochloric acid with addition of inhibitor before pumping is dispersed with gas to receive foam.
EFFECT: higher efficiency.
3 ex, 3 tbl
Title | Year | Author | Number |
---|---|---|---|
METHOD OF ACID TREATMENT OF PRODUCTIVE BED | 1993 |
|
RU2065950C1 |
METHOD FOR EFFECTING FACE-ADJACENT WELL AREA | 2004 |
|
RU2252311C1 |
TREATMENT METHOD OF BOTTOMHOLE FORMATION ZONE WITH TERRIGENOUS TYPE OF RESERVOIR | 2019 |
|
RU2724833C1 |
METHOD FOR TREATING A SEAM WITH AN ACID | 1993 |
|
RU2077669C1 |
METHOD FOR TREATING BOTTOM-HOLE ZONE OF OIL BED | 1997 |
|
RU2114291C1 |
METHOD FOR TREATING OIL SEAM NEAR WELL BOTTOM BY ACID | 1993 |
|
RU2077667C1 |
COMPOSITION FOR HYDROCHLORIC ACID TREATMENT OF BOTTOMHOLE ZONE OF WELLS IN CARBONATE RESERVOIRS OF DELAYED ACTION | 2024 |
|
RU2830030C1 |
COMPOUND FOR ACID TREATMENT OF BOTTOM-HOLE FORMATION ZONE | 1996 |
|
RU2100587C1 |
METHOD FOR TREATING OIL SEAM NEARBY WELL BOTTOM BY ACIDS | 1993 |
|
RU2077666C1 |
METHOD FOR ENHANCING OIL RECOVERY (VARIANTS) | 2017 |
|
RU2670808C9 |
Authors
Dates
2005-03-10—Published
2003-09-08—Filed