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Gazprom Neft subsidiary Gazpromneft-Yamal has completed construction of Russia’s first-ever multi-lateral well with four horizontal cased-hole side tracks. at its Novoportovskoye field. A total 6.756 m was drilled. including 4.411 m drilled in the target strata. The well was constructed in 39 days at a rate of 5.78 days per 1.000 m.
Drilling horizontally branched wells facilitates a manifold increase in drainage from disjointed low-permeability strata. significantly increasing the oil recovery factor at productive strata and bringing marginal reserves into development without the need to drill additional wells. Russian-produced equipment was used in well construction. retooled in line with the specific geological conditions of Novoportovskoye field.
