KNOWLEDGE BASE

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04.2020
RADIUS-SERVICE'S DRU4-172RSF MOTOR DEMONSTRATED EFFICIENCY AND RELIABILITYIN WELL NO. 220 OF MARKOVSKOYE FIELD
  • Determine the efficiency of the Radius-Service’s DRU4-172RSF motor during well drilling operations in the Markovskoye field.
  • Run DRU4-172RSF motor to allow drillstring rotation with 20% higher RPM than would be normally used with a conventional motor and the same motor bend.

Utmost reliability and steady performance of the DRU4-172RSF motor throughout the runTotalrunning hours of the DRU4-172RSF motor were as follows

871 m
Footage
38,2 h
Drilling time
70,8 h
Total pumping time
22,8 m/h
ROP

The DRU4-172RSFmotorensured superior drilling efficiency compared to conventional motors. The average ROP was 22.81 m/h which was 31% above the average rate of penetration observed in similar well intervals of the Markovskoye field.

The gain in the penetration rate saved 0.8days of the well construction time.

The DRU4-172RSF motor allowing for increased drillstring RPM has received the approbation from INK-Service, LLC.