Cub Energy reports that the Olgovskoye-11 (O-11) development well has commenced drilling. The O-11 well is operated by KUB-Gas, a partially-owned subsidiary in which Cub has a 30% effective ownership interest through its 30% shareholding of Kubgas Holdings.
The O-11 well will be drilled as a step out to the O-9 well for the R30c zone in the Bashkirian and an appraisal of the O-15 well in the S6 zone of the Serpukhovian. The well is located approximately one km southeast of the company’s Olgovskoye-15 (O-15), which was drilled last year and began producing from the S6 in July 2013.
The well will be drilled with the KUB-Gas owned K-200 drilling rig and the company expects that both zones targeted in the O-11 will require fracture stimulation.The O-11 well is expected to take approximately 70 days to reach TD.
The company’s Olgovskoye field comprises approximately 43% of gross KUB-Gas production and is Cub’s second-highest producing field. Given the success last year in the Serpukhovian with the O-15, and the M-16 well on the Makeevskoye field, the company’s new exploration and development efforts have been expanded to include the deeper Serpukhovian targets.
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