|
RU2032067C1
|
|
Method of sealing bed from water inflow
|
|
RU2049910C1
|
|
Method for completion of wells in slightly cemented sand oil reservoir
|
|
SU1836548A3
|
|
Fluid for ejection and repair of bore-holes
|
|
RU1836543C
|
|
Grouting composition
|
|
RU1838582C
|
|
Plugging-back material
|
|
RU1802088C
|
|
Grouting mortar
|
|
RU1802086C
|
|
Grouting mortar
|
|
RU1802089C
|
|
Plugging compound for well strengthening
|
|
RU1821550C
|
|
Plugging material
|
|
RU1802812C
|
|
Method of reagent making for drilling fluid treatment
|
|
RU1800000C
|
|
Light-duty bridging material
|
|
RU1818462C
|
|
Process of preparation of lightened grouting mortar
|
|
RU1808998C
|
|
Method for isolation of water-encroached stratum
|
|
RU1818463C
|
|
Plugging material
|
|
RU1803530C
|
|
Grouting compound for isolation of lost-circulation zone in wells
|
|
RU1803226C
|
|
Tube longitudinal corrugation device
|
|
SU1804543A3
|
|
Assembly of patches for repair of casings
|
|
RU1818459C
|
|
Patch for repair of casing string
|
|
RU1810501C
|
|
Device for lowering and cementation of liner
|
|
RU1819979C
|
|
Method of cleaning weighted frilling mud
|
