油页岩具有很多空腔和裂隙,页岩气是这些空腔和裂隙里所含的天然气。由于油页岩的空腔和裂隙不连通,钻井不可能每一个空腔里都打一个洞,所以现在采用水力压裂技术,用高压水把油页岩的裂缝强行顶开,迫使空腔连通,便于天然气的开采。水力压裂必定迫使地质条件有所改变,是否有引发地震的危险谁也说不清楚,但水力压力可能改变地下水走向,污染地下水源,这个风险是已经证实的。
Natural gas plays a key role in our nation's clean energy future. The U.S. has vast reserves of natural gas that are commercially viable as a result of advances in horizontal drilling and hydraulic fracturing technologies enabling greater access to gas in shale formations. Responsible development of America's shale gas resources offers important economic, energy security, and environmental benefits.
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EPA is working with states and other key stakeholders to help ensure that natural gas extraction does not come at the expense of public health and the environment. The Agency's focus and obligations under the law are to provide oversight, guidance and, where appropriate, rulemaking that achieve the best possible protections for the air, water and land where Americans live, work and play. The Agency is investing in improving our scientific understanding of hydraulic fracturing, providing regulatory clarity with respect to existing laws, and using existing authorities where appropriate to enhance health and environmental safeguards.
不爱吱声 发表于 2012-8-3 10:10 6 J0 U6 b/ P1 F& ?) q3 U
关于公众的误解,行业内其实非常气愤,着急,但是这个事情非常政治,特别是石油行业一直以来被外界政治化妖魔 ...
猫元帅 发表于 2012-8-3 10:38 : G6 w( H' U5 W# ^# i [
这个事情搞定了么?我怎么觉得很悬啊。相关各方的审批程序还没走完,前些日子又爆出老鼠仓还是什么的。感觉 ...
不爱吱声 发表于 2012-8-3 10:32 6 i& n3 y+ a+ C* P( R- O& Y
其实政客那边石油行业是不怕的,那些"出声"的政客大多是没"实力"的或者是其他"党派"的,基本怎么争取都没用 ...
不爱吱声 发表于 2012-8-20 21:59
你在哪里看到的“老美觉得这种深海技术经过改进一下,可以用于导弹方面”?能否给了链接。% m. R$ G) r/ {
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这个说法我是 ...
很多石油技术都可以用于军事的
不爱吱声 发表于 2012-8-21 09:53 9 I: _# s- s6 v. l8 B( Q( ?3 E. A
这个我一点疑问都没有,哈哈,我自己做的射孔技术就是再好不过的例子。8 V& R- Z' g: H: P' a
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我的疑问主要是在于“Nexen还有深 ...
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