雅虎


英国政府周四表示,水力压裂可以在英国继续进行,并解除了对这一有争议的过程的禁令。由于担心地震,该项目于 2019 年暂停实施。但随着全球能源危机的恶化以及世界领导人争先恐后地确保能源供应,这个问题又被重新提出来。

 

英国取消天然气水力压裂禁令,推动能源独立 - 石油和天然气 360

资料来源:路透社

 

在做出这一决定的同时,英国地质调查局 (BGS) 还发布了一份针对这一实践的新科学评论。

BGS 得出的结论是,人们对此类钻探(一种从页岩中开采天然气和石油的方式)的影响的了解仍然有限。

“鉴于俄罗斯总统弗拉基米尔·普京非法入侵乌克兰和能源武器化,加强我们的能源安全是绝对优先事项”,商业和能源部长雅各布·里斯-莫格在一份宣布结束该协议的声明中表示。禁止。

由于水力压裂与小地震的关联,在英国,水力压裂一直是当地社区和国会议员之间有争议的话题。

2019 年,在石油和天然气勘探公司 Cuadrilla 位于兰开夏郡的压裂现场, 记录到了 120 多次震动 ,尽管大多数震动太小,无法被感觉到。

除了周四的公告外,政府还 发布了英国地质调查局 (BGS) 4 月份委托进行的一项新审查,该审查考虑了围绕这一做法的科学方面的任何变化。

关于水力压裂造成更大地震的风险,报告得出的结论是:“预测大地震的发生”仍然是地球科学界面临的科学挑战。

页岩内部可能存在小断层和应力区域。在钻井过程中,将水注入岩石中以提取气体。水润滑页岩,使部分岩石沿着这些断层移动。这个动作会引发颤抖。

BGS 指出,尽管在识别这些断层方面取得了进展,但勘探仍有限,因此“即使有最好的可用数据,也不可能识别出所有可能发生 3 级地震的断层”。 。

杜伦大学地球科学系名誉教授安德鲁·阿普林 (Andrew Aplin) 表示,“BGS 报告表明,从科学角度来看,自 2019 年暂停水力压裂以来,几乎没有什么变化。” 他没有参与审查。

这让活动人士和当地人感到担忧,他们为制止这种做法而奋斗。

“废除保护人们免受水力压裂影响的规则将会给当地社区带来冲击,”地球之友能源活动家丹尼·格罗斯说。

“这一公告表明,政府正计划迫使社区接受“更高程度的风险和干扰”,从而让社区陷入困境。

但里斯-莫格在声明中表示:“在我们(政府)看来,承受更高程度的风险和干扰符合国家利益,因为

情况。”

 

显示布莱克浦附近地震事件的图表
                                                                               显示布莱克浦附近地震事件的图表

周四,里斯-莫格和工党影子气候变化大臣埃德·米利班德在下议院就这一问题展开了 激烈辩论。

里斯-莫格表示,使用英国境内所有可用的燃料来源而不是进口“很重要”。

但米利班德表示,这不会降低能源成本,并提醒里斯-莫格先生注意 2019 年保守党宣言中承诺,除非可以安全地进行,否则不会支持水力压裂。

一些对水力压裂的批评没有多大意义。

批评人士表示,寻找古代页岩中的甲烷将变得非常困难且成本高昂,无法盈利。

这不是继续暂停的理由。公司应该自由决定是否值得这样做。

或者说当地社区永远不会允许这样做?当然,他们应该做出决定。

重要的问题是我们是否需要这种新的化石燃料来源。

我们知道大气中任何额外的二氧化碳都会加剧气候变化问题。

更重要的是,水力压裂不会影响您为能源支付的价格。

这是因为水力压裂公司“就像北海的石油和天然气公司一样”将把他们生产的任何天然气出售给最高出价者,正如我上周与英力士公司交谈时明确表示的那样。

包括 Cuadrilla 在内的参与水力压裂的公司对禁令的解除表示欢迎。Cuadrilla 首席执行官弗朗西斯·伊根 (Francis Egan) 告诉 BBC 新闻频道,第一批天然气可能会在六个月内输送,尽管这将取决于当地规划的批准。

即使禁令被撤销,许可证安排仍然非常严格。

目前,如果水力压裂现场发生任何地震活动,公司必须谨慎行事。如果发生超过 0.5 级的地震,他们就必须完全暂停活动。

BGS 表示,只有 2.0 级地震才能感觉到,这比这个强度高出 30 倍。

英国天然气和石油勘探公司 IGas Energy 首席执行官克里斯·霍普金森 (Chris Hopkinson) 本周早些时候在 BBC 新闻之夜节目中表示,这比其他行业的要求严格得多,他表示:“我们只是想发挥一定水平比赛场地。”

里斯-莫格周三晚上告诉《新闻之夜》, 将审查地震活动水平,但表示现在确定新水平还为时过早。

苏格兰和威尔士政府继续反对水力压裂,并表示他们不会利用权力颁发钻探许可证。


原文链接/oilandgas360

Yahoo


Fracking can go ahead in England, the government said on Thursday, lifting a ban on the controversial process. A moratorium was put in place in 2019 following concerns over earth tremors. But with the energy crisis worsening globally and world leaders scrambling to secure energy supplies, the question has been reopened.

 

Ban on gas fracking in England lifted in push for energy independence- oil and gas 360

Source: Reuters

 

The decision comes alongside the publication of a new scientific review into the practice by the British Geological Survey (BGS).

The BGS has concluded there is still a limited understanding of the impacts of such drilling – a way of mining gas and oil from shale rock.

“In light of (Russian President Vladimir) Putin’s illegal invasion of Ukraine and weaponisation of energy, strengthening our energy security is an absolute priority”, Business and Energy Secretary Jacob Rees-Mogg said in a statement announcing the end of the ban.

Fracking in the UK has been a controversial subject within local communities and amongst MPs due to its association with minor earthquakes.

In 2019, at oil and gas exploration company Cuadrilla’s fracking site in Lancashire, more than 120 tremors were recorded – although most were too small to be felt.

Alongside the announcement on Thursday the government published a new review, commissioned in April, from the British Geological Survey (BGS) which considers any changes to the science around the practice.

On the risk of larger tremors from fracking the report concludes: “Forecasting the occurrence of large earthquakes… remains a scientific challenge for the geoscience community.”

Within shale rock there can be small faults and areas of stress. During drilling, water is injected into the rock to extract the gas. The water lubricates the shale rock, moving parts of the rock along these faults. This movement can trigger a tremor.

The BGS points out that although there has been progress in identifying these faults there is limited exploration and therefore “it is not possible to identify all faults that could host earthquakes with magnitudes of up to 3…even with the best available data”.

“The BGS report indicates that in terms of the science, little has changed since the 2019 moratorium on fracking,” said Honorary Professor Andrew Aplin, at Durham University Earth Sciences Department. He was not involved in the review.

This worries campaigners and locals who fought to stop the practice.

“Ripping up the rules that protect people from fracking would send shockwaves through local communities,” said Friends of the Earth energy campaigner Danny Gross.

“This announcement suggests that the government is planning to throw communities under the bus by forcing them to accept ‘a higher degree of risk and disturbance.”

But Rees-Mogg said in his statement that: “tolerating a higher degree of risk and disturbance appears to us (the government) to be in the national interest given the

circumstances.”

 

Chart showing seismic events near Blackpool
                                                                               Chart showing seismic events near Blackpool

The House of Commons on Thursday saw heated debate on the issue between Rees-Mogg and Labour’s shadow climate change secretary Ed Miliband.

Rees-Mogg said it was “important” to use all available sources of fuel within the UK rather than import them.

But Milliband said this would not lower energy costs and reminded Mr Rees-Mogg of a 2019 Tory manifesto pledge not to support fracking unless it could be done safely.

Some of the criticisms of fracking don’t make much sense.

Critics say chasing the methane trapped in ancient shale rocks will prove too difficult and expensive to ever be profitable.

That is no reason to keep the moratorium. Companies should be free to decide whether they think it is worth doing or not.

Or how about the claim local communities will never allow it? Surely, they should decide.

The important question is whether we need this new source of fossil fuels at all.

We know any additional carbon dioxide in the atmosphere adds to the problem of climate change.

What is more, fracking won’t affect the price you pay for your energy.

That’s because the frackers – just like the oil and gas companies in the North Sea – will sell whatever gas they produce to the highest bidder, as INEOS made clear when I spoke to the company last week.

Companies involved in fracking including Cuadrilla welcomed the lifting of the ban. Cuadrilla Chief Executive Officer Francis Egan told the BBC News Channel that the first gas could be flowing in six months, although that would depend on local planning approvals.

Even with the reversal of the ban, permit arrangements still remain very strict.

Currently if there is any seismic activity at fracking sites companies have to proceed with caution. And they have to pause activity altogether if there is a tremor over 0.5 magnitude.

The BGS says that earthquakes can only be felt at a measurement of 2.0 – which is thirty times stronger than this.

Chris Hopkinson, chief executive officer for UK gas and oil exploration company IGas Energy, told BBC’s Newsnight programme earlier this week that this was a lot stricter than the requirements for other sectors, saying: “We just want to play on a level playing field.”

Rees-Mogg told Newsnight on Wednesday night that the level of seismic activity would be reviewed, but said it was too early to confirm what that new level would be.

The Scottish and Welsh governments continue to oppose fracking, and say they will not use their powers to grant drilling licences.