SU1747681A1
|
|
Reagent for suppressing activity of sulfate-reducing bacteria in flooded oil formation
|
RU1770551C
|
|
Cyclic method for flooding heterogeneous formation
|
SU1747684A1
|
|
Device for orientation of deflecting tool at well face
|
RU1791271C
|
|
Device for laying anchor chain
|
SU1761772A1
|
|
Composition for prevention of asphaltenoresinparaffin deposits
|
RU1776858C
|
|
Two-nozzle fuel feed system for internal combustion engine
|
SU1763728A1
|
|
Gas lift
|
RU1773997C
|
|
Well expander
|
SU1719701A1
|
|
Method of fuel feed to diesel engine
|
SU1719702A1
|
|
Diesel injector
|
SU1729903A1
|
|
Anchor chain laying device
|
SU1714040A1
|
|
Device for vertical displacement of liquid in basin
|
SU1706710A1
|
|
Straying device
|
SU1758215A1
|
|
Gas-lift well operation method
|
SU1691566A1
|
|
Well hoister
|
SU1709064A1
|
|
Method of releasing stuck drill pipes
|
SU1684307A1
|
|
Emulsion drilling mud
|
SU1708824A1
|
|
Method for processing clay drilling mud
|
SU1709014A1
|
|
Method for holding buoyant platform at the working site
|
SU1625954A1
|
|
Pillar of floating drilling rig
|