Gubkin Russian State University of Oil and Gas

Совершенствование конструкции наддолотного калибрующе-эжекционного устройства для повышения эффективности разрушения горных пород в процессе строительства скважин

This research investigates the operational performance of ejection systems integrated into drilling rock-breaking assemblies. The object of the study is a near-bit reaming-ejection device (RED), which is installed in the bottom hole assembly (BHA) and is intended to improve botto...

Extracellular and Intracellular Bacterial Compounds in the Synthesis of Inorganic Particles: Silver Nanoparticles

The primary objective of this study was to compare the contribution of cellular and cell-free filtrates of Serratia marcescens ATCC 9986 to the synthesis of silver nanoparticles, followed by a determination of the inhibitory activity on growth of S. marcescens and E. coli of the...