Coal Bed Methane (CBM) Articles
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Ghost Series AB-200 x 20’ Enclosed Flare - Case Study #170302
PROJECT DETAILS Location: Somerset, CO Heat Capacity: 18.4 MMBTU/hr Inlet Pressure (ΔP): 6” WC Heating Value: ~300 BTU/SCF AB-200: 490 MSCFD Carbon Credits: $6000/ day Installed Year: 2017 Aereon’s Ghost series enclosed flare is pictured here on a Coal Bed Methane operation in Somerset Colorado. Harmful Methane was being vented to the atmosphere from an abandoned ...
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What projects will have a pivotal role to ensure China’s energy security?
Interview with Shan Weiguo, Head of Gas Market Research at CNPC. This is the second part of a two-part interview. Read the first part here. Gastech News: What projects will have a pivotal role to ensure China’s energy security? Shan Weiguo: There are many projects. The most important one is dealing with the infrastructure, especially the import facilities: the pipelines and LNG terminals. ...
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Influence and control of coal facies on physical properties of the coal reservoirs in Western Guizhou and Eastern Yunnan, China
Western Guizhou and Eastern Yunnan have abundant coal resources, and they are considered as the most prospective areas for coalbed methane (CBM) development in Southern China. To explore the potential of CBM production in these areas, this paper identifies the plane distribution of coal facies, and analyses its control on the physical properties of coal reservoirs. Four types of coal facies ...
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Influences of temperature and moisture on coal sorption characteristics of a bituminous coal from the Sydney Basin, Australia
Accurate testing of coal isotherms plays a significant role in the areas of coal seam gas drainage, outburst control, CO 2 geo-sequestration, coalbed methane (CBM) and enhanced coalbed methane recovery (ECBM). Coal isotherms were tested with CO 2 and CH 4 gases with a modified indirect gravimetric method in the University of Wollongong (UOW), Australia. The adsorption capacity of coal ...
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The impact of potential climate policy on the coal bed methane investment in China - a real option–based study
In this paper, based on the real option theory, the impact of the potential climate policy on the coal bed methane (CBM) investment in China is assessed from the perspective of CBM investment under the uncertainties of future climate policy and CBM market price. The threshold values of the market and policy variables to promote CBM project investment are obtained. Firstly, incorporating the ...
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Proppant flowback control in coal bed methane wells: experimental study and field application
Proppant flowback after fracturing coal bed methane (CBM) wells is a very common challenge which results in fracture pinching out, noticeable well productivity decrease, downhole and surface facility damage, etc. In this paper, fibre was studied as a low-cost and environmentally friendly additive to control proppant flowback in CBM well fracturing operation. Two kinds of glass fibre (short fibre ...
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A comparative study of the characteristics of coalbed methane reservoirs in the Zhina region, Guizhou Province and the Southern Qinshui Basin, Shanxi Province, China
In order to explore the coalbed methane recovery potential of the Zhina region in the Southwest China, this paper compared the physical properties of coal reservoirs in the Zhina region and the successfully developed Southern Qinshui Basin. The results show that the pore structures of the coal samples in the two areas are dominated by adsorption pores, which is favourable for the accumulation of ...
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Generation using gas-fuelled engines in South Africa – an overview
Most gas engines are Otto cycle spark ignition internal combustion reciprocating engines using natural gas as the primary fuel. Smaller models utilise stochiometric combustion while the larger engines are lean burn engines with pre-chamber ignition systems. The engines are coupled with packaged generator sets, cogeneration and, even, trigeneration units to optimise energy utilisation in the fuel ...
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A review of non–renewable energy options in Illinois
The State of Illinois has the largest non–renewable (fossil) energy reserves among all the states in the USA. We report our studies on coal, oil and gas energy resources, conversions, consumptions and carbon dioxide sequestration advances in Illinois from the point of view of sustainability in energy and environmental. This includes reserves and characteristics of coal, oil and gas in the ...
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A review of the three most popular maintenance systems: how well is the energy sector represented?
A recent review of maintenance literature found that total productive maintenance (TPM), reliability–centred maintenance (RCM), and condition–based maintenance (CBM) were the most popular maintenance management models discussed in academic journals. In this paper, a comprehensive review of these three models is undertaken to identify empirical 'real world' examples of each model being used in ...
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Growth and properties of the dilute bismide semiconductor GaAs1−xBix a complementary alloy to the dilute nitrides
In this review we describe the growth and properties of the dilute bismide semiconductor alloy GaAs1−xBix and show how its properties are in certain respects complementary to the dilute nitride alloy, GaNyAs1−y. Like the dilute nitrides the dilute bismides show a giant band gap bowing effect in which a small concentration of the alloying element has a disproportionate effect on the band gap, ...
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