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SU1333930A1
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Arrangement for closing pipeline
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SU1346655A1
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Method of removing asphalt-tar and paraffin deposits
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SU956727A1
|
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Signalling device for directional drilling with turbo-drill
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SU975907A1
|
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Method of retracting from soil the support columns of self-rising offshore platform
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SU761549A1
|
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Protective grease
|
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SU738986A1
|
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Floating crane
|
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SU761779A1
|
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Method of erecting bent in vertical plane pipeline portion mainly for marine stationary platform foundation
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SU723091A1
|
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Hydraulic drive of lifting arrangement of offshore drilling unit
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SU765587A1
|
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Float for transporting pipeline afloat
|
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SU695893A1
|
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Arrangement for repairing the bottom of floating drilling rig
|
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SU756121A1
|
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Apparatus for supporting pipeline during repairing it under water
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SU678178A1
|
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Method of releasing pipes caught in a well
|
|
SU918653A1
|
|
Method of increasing gas flowrate through cylindrical nozzle
|
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SU726265A1
|
|
Boring and pile-driving unit
|
|
SU944679A1
|
|
Drum screen
|
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SU701925A1
|
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Machanism for locking traverses of a rack elevator
|
|
SU747976A1
|
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Drill string motion compensator
|
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SU866111A1
|
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Lifting device for off-shore drilling platforms
|
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SU857747A1
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Device for measuring wave and ice pressure
|
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SU617517A1
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Support of platform for offshore drilling rigs
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