«CanBaikal» LLC Continues to Successfully Apply New Technologies
15 january 2020
In 2015, the first multistage hydraulic fracturing in Russia was carried out at the Zapadno-Malobalykskoye field at the Achimov Formation. Specialists of JSC «NK «Neftisa» and «CanBaikal» LLC did not stop there and continued to apply the technology to other layers with an increase in the length of horizontal sections from 500 to 1250 meters with multistage hydraulic fracturing from 6 to 17 stages.
Based on the analysis of the works performed at the Untygeyskoye field in December 2019, the longest horizontal well in «NK «Neftisa» Group of Companies was 1,550 m long and the first multistage hydraulic fracturing in 22 stages with destructible frac-ball was successfully completed.
Increasing the length of the horizontal section and the number of stages of hydraulic fracturing is extremely important when developing low-permeability reservoirs, since the number of cracks penetrating the oil reservoir, and hence the drainage zone, increases. All this increases values of the starting debit of the well and subsequently higher cumulative production compared to the wells where conventional hydraulic fracturing was performed.
For comparison: the length of horizontal section of the well (1550 m) at the Untygei field is slightly larger than the length of Prechistenka Street in the Central Administrative District of Moscow (1125 m).
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