Titov Yury Vladimirovich RussiaKogalym“KolgalimNIPIneft” branch of LLC “Lukoil-Engineering”, Strl. Republic, 143A, Tyumen, Tyumen region, 625048геолог 1-й категории Отдела первичной обработки и хранения кернаtitovoil@k66.ru Author's articles Lithogeochemical Properties оf Terrigenous Rocks of Sortymsky Suite of Pyakyakhinskoye Field (North of Western Siberia) Lithological and petrophysical characteristics of the deposits of the Vogulkinskaya strata within the maly Teterevsky shaft (Shaimsky oil and gas region)