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Patents

Patent for a plunger pump
Patent for a plunger pump. Author Yangareev S.M.



Patent for a plunger pump valve with an insert to maintain wells
Patent for a plunger pump valve with an insert to maintain wells. Author Yangareev S.M.



Patent for a plunger pump valve unit to maintain wells
Patent for a plunger pump valve unit to maintain wells. Author Yangareev S.M.   Utility patent  for a plunger pump valve unit to maintain wells. Author Yangareev S.M.



Patent for string or drill pipe connection
Utility patent  for string or drill pipe connection. Author Yangareev S.M.



Patent for valve plunger pump
Patent for valve plunger pump. Author Yangareev S.M.   Patent for valve plunger pump. Author Yangareev S.M.



Knee articulation for pipe connections
Knee articulation for pipe connections. Author Yangareev S.M.



Packer for selectively covering the inner cavity of the tubing or casing
Packer for selectively covering the inner cavity of the tubing or casing. Author Yangareev S.M.



Hydraulic jet perforator
Hydraulic jet perforator. Author Yangareev S.M. Hydraulic jet perforator. Author Yangareev S.M.