FIELD: drilling of gas and oil wells. SUBSTANCE: compound for isolation of formations contains, mas.%: polyethylene oxide 0.5-1.5; calcium chloride 25.9-42.9; the balance, water. EFFECT: higher efficiency. 1 tbl
Title | Year | Author | Number |
---|---|---|---|
COMPOUND FOR INSULATION OF FORMATION WATERS, ELIMINATION OF INTER-FORMATION AND ANNULAR SPACE CROSSFLOWS | 1992 |
|
RU2032068C1 |
DRILLING FLUID | 1991 |
|
RU2012585C1 |
DRILLING MUD | 1991 |
|
RU2013434C1 |
COMPOSITION FOR TREATING BOTTOM ZONE OF OIL BED | 1994 |
|
RU2071970C1 |
COMPOUND FOR ISOLATION OF FORMATIONS, LOST CIRCULATION CONTROL AND CEMENTING OF WELLS | 1992 |
|
RU2019682C1 |
SOLUTION FOR EXPOSING OF PRODUCING FORMATION | 0 |
|
SU1776264A3 |
CLAYLESS DRILLING MUD FOR BREAKING HIGH-PRODUCTIVE STRATUM | 1992 |
|
RU2019552C1 |
DISPLACEMENT FLUID | 1992 |
|
RU2030559C1 |
METHOD FOR TESTING BEDS IN WELL DRILLING | 1992 |
|
RU2026965C1 |
GROUTING MORTAR | 1993 |
|
RU2057902C1 |
Authors
Dates
1995-05-20—Published
1993-06-15—Filed