A unique single frequency, dual daisy chain tunnel radio communication system has been developed for use in our new Positron-Electron Storage Ring. Communications are possible between portables in the underground ring and between a portable in the ring and all control rooms on the site. The system is designed as a wide band facility and therefore can carry many simplex and duplex transmissions....

The wide adoption of underground mining has contributed immensely to the rapid growth of the countries’ economy, job creation, gross domestic product, fixed capital formation, gross investment and merchandise exports on an enormous global scale. At the same time, the tedious and dangerous nature of underground mining makes it vulnerable to mine accidents and disasters, such as the fall of loose...

The geologic storage (GS) of carbon dioxide (CO2) is emerging as an important tool for managing carbon. While this Journal recently published an excellent review of GS technology (Bruant, R. G.; Guswa, A. J.; Celia, M. A.; Peters, C. A. Environ. Sci. Technol. 2002, 36, 240A-245A), few studies have explored the regulatory environment for GS or have compared it with current underground injection ...

Several methods allow accurate measurement of terrain surface motions. Global navigation satellite systems (GNSSes) and interferometry with synthetic aperture radar (InSAR) stand out in terms accuracy among them. In principle, both make it possible to evaluate a three-dimensional vector the motion points on surface. this work, we dealt evaluation motions up–down (U–D) east–west direction (E–W) ...

To move the world toward a more sustainable energy future, it is crucial to use limited hydrocarbon geological resources efficiently and develop technologies that facilitate this. More rational management of petroleum reservoirs underground gas storage can be obtained by optimizing well control. This paper presents novel approach optimal control based on combination theory, innovative artificia...

Geological structure of the "Kalmaz" oil and gas field, that is being studied since 1930, located 100 km south-west Baku, in north-eastern part lower Kura depression. Information on geological structure, stratigraphy, tectonics, content field etc. has been collected as a result search exploration works carried out structural research wells drilled. The was formed from brachianticlinal fold with...