Title: Tekhnologii︠a︡ burenii︠a︡, zakanchivanii︠a︡ i optimizat︠s︡ii gidravlicheskikh prot︠s︡essov stroitelʹstva glubokikh poiskovo-razvedochnykh skvazhin v Vostochnoĭ Sibiri
Subjects: Prospecting, Petroleum, Core drilling, Natural gas