|
RU1795078C
|
|
Method for preventing gas showing from wells with underwater wellhead
|
|
RU1788337C
|
|
Vertical electric pump unit
|
|
SU1730201A1
|
|
Protector for protection of outer surfaces of pipes against corrosion
|
|
RU1768322C
|
|
Sieve conveyor
|
|
SU1724526A1
|
|
Storage unit for oil and oil products
|
|
SU1752675A1
|
|
Device for storing crude oil and oil products
|
|
SU1731734A1
|
|
Method of producing sorbent for cleaning water surface from oil
|
|
SU1740406A1
|
|
Composition for cleaning of metallic surface
|
|
SU1745864A1
|
|
Method for determination of drilling line performance on semi- submersible drilling rig
|
|
SU1758211A1
|
|
Device for reverse cementing of casing strings
|
|
SU1767280A1
|
|
Device for preventing hydrate formation
|
|
SU1686133A2
|
|
Downhole proportioner
|
|
SU1730120A1
|
|
Solution for borehole flushing
|
|
RU1783230C
|
|
Device for controlling operation mode of fountain and compressor wells
|
|
SU1736960A1
|
|
Method of preventing salt sedimentation
|
|
SU1696687A1
|
|
Method of determination of string sticking depth
|
|
SU1678413A1
|
|
System for collecting and preparing gas-oil-water mixture containing mechanical impurities
|
|
SU1693238A1
|
|
Method for determining the pressure of hydraulic fracturing of formation
|
|
SU1712313A1
|
|
Method for purification water surface against oil
|
|
SU1684179A1
|
|
Arrangement for storing oil and petroleum products
|
