CONTENTS Geology and Geophysics Nesterenko M. Yu., Balatskyi R. S., Zderka Т. V., Piatkovska I. O. The research of gas tides intensification on the example of the sarmatian deposits in the northwestern part of Bilche-Volytska zone 37 Oil and Gas Transportation Shlapak L. S., Maksymuk О. V., Shyrokov V. V. To the issue of strength assessment of the pipeline-composite bandage system 43 Kopey B., Khalimi D. Optimization of equipment availability of a gas-pumping unit 48 Oil and Gas Measurement and Testing Kisil I. S., Barna 0. B., Kuchirka Yu. M. Recommendations on determination of interfacial tension at the interface between two fluids by the spinning drop method 52 Porev V. A., Porev G. V. To the issue of melting zone height control in the technology of electron-emitting crucible-less zone melting of silicon 58