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In the course of operations under the rental contract with INK-Service, the DRU4-172RSF motor from Radius-Service demonstrated a high rate of penetration during drilling in the Ayansky (West) licensed block.
  • Use DRU4-172RSF with a short bit-to-bend distance and a strengthened bearing assembly.
  • Use DRU4-172RSF with a RS172N754 power section.

Utmost reliability and steady performance of the DRU4-172RSF motor throughout the run

Total running hours of the DRU4-172RSF motor were:

764 m
40.6 h
Drilling time
18.82 m/h

The DRU4-172RSF motor delivered superior drilling efficiency compared to conventional motors. The average rate of penetration was 18.82 m/h - 25% above the target ROP. The gain in the penetration rate saved 8 hours of well construction time.