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Specific Challenge

Perform cased hole and perforated completion in an oil sandstone formation

Challenge

  • Oil sandstone formation 
  • Cased hole and perforated completion 
  • BHT~321°F, H₂S > 300 ppm 
  • 120 BOPD, 2,300 BWPD, 95% watercut (WC)
  • Watered-out zone

Solution

  • Multi-stage BackStop℠ and H₂Zero® service deployed with CT, using sand plugs
  • Permanently abandon Zone 3

Result

  • Zones 1, 2, and 4 were re-perforated
  • Well produced at ~1,800 BOPD, 1% WC

94%

Reduction in water cut (WC)

3

Zones re-perforated

1,800

Barrels of oil per day (BOPD)