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SU1712538A2
|
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Vibration exciter
|
|
SU1583579A1
|
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Apparatus for drilling cased holes
|
|
SU1463903A1
|
|
Shock-damper
|
|
SU1484926A1
|
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Apparatus for locating sand manifestation zones in water intake wells
|
|
SU1420129A1
|
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Apparatus for forming bulk gravel filter in well
|
|
SU1362783A1
|
|
Vibration exciter
|
|
SU1247516A1
|
|
Method and apparatus for repairing and after-repair starting of water wells under local sanding conditions
|
|
SU1099056A1
|
|
Method and apparatus for workover of a well
|
|
SU905409A1
|
|
Hydraulic percussive device
|
|
SU901422A1
|
|
Filter for water intake boreholes
|
|
SU840474A2
|
|
Piston-type hydraulic engine
|
|
SU855185A1
|
|
Tool for washing at drilling
|
|
SU840279A1
|
|
Drilling apparatus
|
|
SU945357A1
|
|
Apparatus for running cable-hose up and down
|
|
SU943391A1
|
|
Drilling rig shelter
|
|
SU825875A1
|
|
Device for protecting wells against sand ingress
|
|
SU832039A1
|
|
Device for running pipes in and out
|
|
SU802514A1
|
|
Hole-bottom slurry disintegrator
|
|
SU800341A1
|
|
Device for removing mechanical impurities from wells
|
|
SU881301A1
|
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Apparatus for dewatering and initiating wells
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