Need suggestions to remove submersible pump

Can you help us to remove submersible pump from deep borewell,

  • Borewell depth -240m
  • 8" Slotted pipes - 186-240m
  • 8" Plain pipes - 0-186 m
  • Submersible Pump erected at - 42 m (15 hp of 150 mm dia outer dia)

By mistake NRV fixed at opposite direction in delivery pipe and with out knowing pumps ran continuously, we tried to lift pump now but it got stuck in borewell, while lifting with hydra it is pulling outer casing pipe also,

Kindly recommend how to remove pump without affecting outer casing pipe and bore well.

Please note this area is near Cuddalore at Tamil Nadu, and this areas are deep aquifer zones.

Regards,

R.Venkatesan

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