FIELD: oil producing industry. SUBSTANCE: method includes obtaining of hydrofluoric acid in formation by separate injection into formation of fluoride salt and hydrochloric acid. The latter is injected into formation in form of emulsion of second type. Injection of emulsion and aqueous solution of fluoric salt is carried out simultaneously-separately through pipes and drill string-borehole annulus. EFFECT: higher efficiency. 3 tbl
Title | Year | Author | Number |
---|---|---|---|
METHOD FOR INTERVAL-AFTER-INTERVAL TREATMENT OF BOTTOM-HOLE ZONE OF HORIZONTAL WELLS | 1998 |
|
RU2144616C1 |
METHOD OF DAMPING OIL AND GAS WELLS WITH HIGHLY PERMEABLE FRACTURES OF THE HYDRAULIC FRACTURING (VARIANTS) | 2017 |
|
RU2662720C1 |
METHOD FOR ISOLATION OF BRINE WATER INFLOW | 1996 |
|
RU2101486C1 |
METHOD OF PREPARING INVERT-EMULSION FLUID | 2001 |
|
RU2205855C1 |
INVERT EMULSION FOR OIL RESERVOIRS TREATMENTIT'S COMPOSITION, PREPARATION AND APPLICATION METHODS | 2008 |
|
RU2381250C1 |
GAS WELL PAYOUT BED KILLING METHOD | 2007 |
|
RU2348799C1 |
METHOD OF CORRECTION OF INTERSTRING GAS MANIFESTATIONS IN WELL | 1999 |
|
RU2144130C1 |
LINING METHOD OF BOTTOM-HOLE ZONE OF PRODUCTIVE FORMATION OF GAS WELLS | 2011 |
|
RU2475622C1 |
METHOD FOR ELIMINATION OF HIGH-PRESSURE WELL FLOWS | 1992 |
|
RU2049224C1 |
INSULATION METHOD OF FORMATION WATER INFLOW AND LINING METHOD OF BOTTOM-HOLE FORMATION ZONE | 2013 |
|
RU2554957C2 |
Authors
Dates
1994-10-15—Published
1989-12-29—Filed