Securing new sources of renewable energy and achieving national self-sufficiency in natural gas have become increasingly important recent times. The study described this paper focuses on three geologically diverse underground reservoirs (UGS) that are the habitat methane-producing archaea, as well other microorganisms with which methanogens various ecological relationships. objective research w...

Underground gas storage is the best choice for natural resource reserve and peak value. Storage capacity of underground single well injection production are key indicators shaving capacity. This paper focuses on research expansion stimulation a basin in Western China. Firstly, based study two-phase seepage law water, numerical simulation model coupling high velocity non-Darcy effect gas-water t...

Total carbon (TC) is sometimes used to measure or characterize diesel particulate matter (DPM) in occupational settings such as underground mines. DPM samples are collected on quartz fiber filters. When using quartz fiber filters, adsorption of gas phase organic carbon (OC) has been reported, causing a positive bias in the particulate TC results (adsorption artifact). Most of the data on the sa...

Longwall mining alters the fluid-flow-related reservoir properties of the rocks overlying and underlying an extracted panel due to fracturing and relaxation of the strata. These mining-related disturbances create new pressure depletion zones and new flow paths for gas migration and may cause unexpected or uncontrolled migration ofgas into the underground workplace. One common technique to contr...

Detection and separation of metals from fresh water and industrial effluents has become a pre-requisite for any nation in the world. In and around the city of Hyderabad (Sindh), Pakistan, the home as well as cottage industry which consumes chemicals containing the copper, mercury, cadmium and lead are freely dumped into local ravines and canals unchecked for many years. The process is polluting...

Coal and gas outbursts are dynamic failures that can involve the ejection of thousands tons of pulverized coal, as well as considerable volumes of gas, into a limited working space within a short period. The two-phase flow of gas and pulverized coal that occurs during an outburst can lead to fatalities and destroy underground equipment. This article examines the interaction mechanism between pu...