The chronic toxicity of sodium bicarbonate, a major component of coal bed natural gas produced waters

2014 ◽  
Vol 33 (3) ◽  
pp. 532-540 ◽  
Author(s):  
Aïda M. Farag ◽  
David D. Harper
Keyword(s):  
Natural Gas ◽  
Sodium Bicarbonate ◽  
Chronic Toxicity ◽  
Coal Bed ◽  
Produced Waters

A Comparative Analysis between Coal-Bed Methane and Shale Gas in China Based on Cases

2015 ◽  
Vol 737 ◽  
pp. 794-799
Author(s):  
Liang Yu Xia ◽  
Jing Yi Wen
Keyword(s):  
Comparative Analysis ◽  
Natural Gas ◽  
Shale Gas ◽  
Net Present Value ◽  
Cost Benefit Analysis ◽  
Supply And Demand ◽  
Cost Benefit ◽  
Coal Bed ◽  
Coal Bed Methane ◽  
Single Well

Owing to the growing gap of natural gas between supply and demand in China, the unconventional natural gas, including coal-bed methane (CBM) and shale gas, has been considered as strategic energy sources. An assessment by China’s Ministry of Land and Resources (MLR) announced that China has potentially resources of 36.7 trillion cubic meters of CBM and 25 trillion cubic meters of shale gas, larger than those of the U.S. Controversial views about their commercial prospects and priorities in order are available. This research aims at exploring which is more economically viable and worth the priority. A cost-benefit analysis (CBA) based on average single well data is employed to carry out a comparative analysis between two typical fields, the coal-bed methane (CBM) fields in the Qinshui basin and the shale gas fields in Sichuan basin. The net present value (NPV), the internal rate of return (IRR) and the payback period are used as indicators in this analysis. The results indicate that CBM is superior to shale gas in viability under the current technological and economic conditions, and the future of the CBM industry is clearer than that of the shale gas industry, but the latter is still promising if the drilling costs can be reduced significantly with technical progress. We suggest that the CBM industry should be given the priority to, and the policy for shale gas should focus on promoting technical innovations.

GROUNDWATER MONITORING AT COAL BED NATURAL GAS PRODUCED WATER IMPOUNDMENTS: THE WYOMING DEQ DATABASE

2007 ◽  
Vol 2007 (1) ◽  
pp. 581-588
Author(s):  
T. Osborne ◽  
U. Williams ◽  
M. Smith ◽  
D. Fischer ◽  
K. Frederick
Keyword(s):  
Natural Gas ◽  
Groundwater Monitoring ◽  
Produced Water ◽  
Coal Bed

USE OF COAL BED NATURAL GAS (CBNG) WATERS: SOIL AND PLANT RESPONSES

2005 ◽  
Vol 2005 (1) ◽  
pp. 607-622
Author(s):  
L.A. King ◽  
◽  
G.F. Vance ◽  
G.K. Ganjegunte
Keyword(s):  
Natural Gas ◽  
Coal Bed ◽  
Plant Responses
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