RU1796011C
|
|
Method for field development
|
RU1776300C
|
|
Method for development of oil bed
|
RU1782275C
|
|
Hydraulic sand-blast borehole perforator
|
RU1777929C
|
|
Horizontal oil-gas separator
|
SU1753041A1
|
|
Plunger of well pump
|
SU1735605A1
|
|
Oil-well sucker-rod pump
|
SU1724935A1
|
|
Deep-well bull pump
|
SU1721306A2
|
|
Valve point of discharge pipe-line of hole pump
|
SU1715825A1
|
|
Method of dewatering of crude oil
|
SU1700219A1
|
|
Hole course detector
|
SU1761186A1
|
|
Apparatus for simultaneous preparation of petroleum and water
|
SU1707236A1
|
|
Self-cleaning filter of sucker-rod pump
|
SU1675577A1
|
|
Deep-well bull pump plant
|
SU1677051A1
|
|
Compound suppressing formation of asphaltene-tar-paraffin deposits
|
SU1686145A1
|
|
Device or borehole deviation control during drilling
|
SU1636009A1
|
|
Apparatus for joint conditioning of petroleum and water
|
SU1679289A1
|
|
Apparatus for determination of sedimentation stability of high-concentrated suspensions
|
SU1656160A1
|
|
Sucker-rod well pump
|
SU1617199A2
|
|
Self-cleaning filter for sucker-rod pump
|
SU1666508A1
|
|
Reagent for treatment of clay drill solutions
|