FIELD: oil and gas production. SUBSTANCE: composition containing 5.0-40.0% urea and aqueous solution of aluminum oxychloride salt (10-18% on conversion to alumina) additionally contains 3.0-5.0% calcium chloride and 0.5-1.0% special-type waterproofing agent. EFFECT: reduced corrosion activity, and increased strength of gel formed under in-place conditions. 4 tbl, 3 ex
Title | Year | Author | Number |
---|---|---|---|
EMULSIFIER FOR INVERT EMULSIONS | 2001 |
|
RU2200056C2 |
WELL KILLING POLYSACCHARIDE GEL COMPOSITION AND METHOD FOR PRODUCING THE SAME | 2003 |
|
RU2246609C2 |
BITUMEN-CONTAINING REAGENT FOR INCREASING OIL EXTRACTION PRODUCTIVENESS OF BEDS AND FOR LIMITING WATER INFLUXES INTO OIL WELLS AND METHOD FOR TREATMENT OF OIL BED | 2002 |
|
RU2230900C2 |
COMPOSITION FOR RESERVOIR WATERS INSULATION IN HIGH-TEMPERATURE OIL AND GAS WELLS | 2008 |
|
RU2376337C1 |
COMPOSITION OF WELL-KILLING EMULSION POLYSACCHARIDE FLUID AND A METHOD FOR PREPARATION THEREOF | 2005 |
|
RU2297436C2 |
METHOD FOR MUDDING FORMATION REMOVING FROM BOTTOMHOLE TERRIGENOUS FORMATION AREA | 2004 |
|
RU2272127C1 |
POLYSACCHARIDE GEL COMPOSITION FOR HYDRAULIC FORMATION BREAKDOWN | 1999 |
|
RU2173772C2 |
ACID COMPOSITION FOR TREATING TERRIGENOUS OIL RESERVOIRS AND A METHOD FOR ACID TREATMENT OF THE BOTTOM ZONE OF FORMATION | 2003 |
|
RU2242605C1 |
COMPOSITION OF EXTRA HEAVY POLYSACCHARIDIC LIQUID FOR WELL KILLING | 2014 |
|
RU2564706C1 |
METHOD FOR HYDRAULIC FRACTURING OF BED IN CONJUNCTION WITH ISOLATION OF WATER INFLUXES IN PRODUCT WELLS WITH USE OF GEL-FORMING LIQUIDS ON HYDROCARBON AND WATER BASES | 2004 |
|
RU2256787C1 |
Authors
Dates
2002-07-20—Published
2000-10-04—Filed