|
SU1368487A1
|
|
Borehole sucker-rod pump
|
|
SU1151593A1
|
|
Solution for simultaneous degreasing,pickling and passivating of articles
|
|
SU1071735A1
|
|
Plugging composition for cementing oil and gas wells
|
|
SU1068588A1
|
|
Method of limiting water inflow into well
|
|
SU960226A1
|
|
Composition for dehydrating and desalinating crude oil
|
|
SU929697A1
|
|
Method for combined dehydration of petroleums of different grades
|
|
SU914612A1
|
|
Drilling mud composition
|
|
SU945387A1
|
|
Method of simultaneous production of several grades of oil
|
|
SU883358A1
|
|
Method of treating the hole-bottom area of carbonate formation
|
|
SU859330A1
|
|
Mineral salt depositing inhibitor in aqueous solutions
|
|
SU850612A1
|
|
Method of preventing salt deposits in oil-field equipment
|
|
SU833580A1
|
|
Salt deposit inhibitor in oil-field equipment
|
|
SU829880A1
|
|
Deep-well cutoff device
|
|
SU859424A1
|
|
Method of combined dehydration of different oils
|
|
SU825861A1
|
|
Plugging composition
|
|
SU810756A1
|
|
Composition for oil dehydration and desalinization
|
|
SU768766A1
|
|
Composition for preventing mineral salt precipitation in aqueous solutions
|
|
SU775120A1
|
|
Composition for oil dehydration and desalinization
|
|
SU814895A1
|
|
Composition for removing gypsum deposits
|
|
SU724452A1
|
|
Method of preventing sulfate deposits formation in aqueous solutions
|
