Frac proppant is a granular product with high fracturing intensity, mainly for oil well supported in order to increase oil and gas production, an environmentally friendly product.
2013年7月30日星期二
Shale gas development go its own way
On the one hand, in terms of huge reserves of
shale gas resources, on the other hand there are still difficulties in the development and use, conditions are not yet ripe. At this stage, the state should not blindly just because the need for resources to engage in planning, investment gold, on the project, scheduled production, especially the introduction of capital should not be premature. Capital seeks profit, they calculated that the interest of the Group, now cares about is profit maximization, it will only look at the current production and mining costs, not pipe caused much damage to the environment, does not care how many years harming , not to manage recovery, does not care about one cubic meters of shale gas exploitation ruined many resources simultaneously. Only relevant technologies developed to the extent appropriate, the relevant policies and regulations have been improved and implemented in place, the entry of capital in order to play the role of efficiency. Otherwise, the interests of capital and the country's interests are antagonistic. Truly scientific approach is moving steadily, on the one hand improve the exploration work, on the other scientific and technical research. Complete exploration work, nor the only for shale gas, including shale gas should target, tight sandstone gas, coal bed methane and gas hydrates and other resources, including the entire unconventional reservoirs. Our only true and reliable way to find out the reserves of
unconventional gas reservoirs, burial depth, sedimentary facies and other key information, it may be appropriate to establish China's unconventional reservoir development strategy, so that the limited resources can be maximized development and utilization. The long run, but should focus on shale gas development of new technologies, such as supercritical carbon dioxide development technologies. Compared with hydraulic fracturing technology, supercritical carbon dioxide development technology has several advantages. The first is that we can significantly reduce water usage. With this technology, even in water scarce Northwest, North China, the same can successfully develop shale gas. In the Yangtze River and the southeast coast, the southwest region, the development of shale gas can also be solved with water conflicts between agricultural production. Followed by oil and gas layer can be fully protected. When opening the reservoir on the use of supercritical carbon dioxide for protection, can completely solve the current destruction of shale gas development in the first and then restore the adverse situation, significantly increase recovery. Finally environmentally friendly. Industrial emissions of carbon dioxide itself is both a greenhouse gas, in the past usually emitted directly into the atmosphere, now the world on issues of environmental protection and increasing emphasis on carbon emissions, straight row sooner or later want to change this practice. It is said that some businesses are ready to be buried into the ground up.
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