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首页> 外文会议>Geothermal Resources Council annual meeting 2010 >A History of Geothermal Exploration in Washington
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A History of Geothermal Exploration in Washington

机译：华盛顿地热勘探史

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The presence of Mt. St. Helens and other Quaternary andesitic volcanoes and other indicators, e.g., both thermal and both mineral springs, in the Washington Cascades suggests that this area has good potential for geothermal resources.Exploration for geothermal resources has been conducted in the region since the early 1970s, with surge of interest and exploration activity in 1974 when the Federal Government developed a leasing program for its land. This surge was followed by a gradual decline in activity through the early 1980s. During the mid 1980s, most geothermal exploration programs were cancelled because of the decline in oil prices. Exploration activity did not pick up until 2007 when the price of crude oil started rising. The establishment of required energy portfolios has also increased interest in geothermal energy within the Washington Cascades.The development of binary technology for generating electricity has increased the potential geothermal resources that are available.Success in geothermal exploration in the Washington Cascades has been limited for several different reasons. One reason was a concern about competing against low cost electric power from the Bonneville Power Administration. Population growth and new industries have used up most of the surplus power so that this problem has largely disappeared. A second problem that has limited geothermal exploration in Washington has been the technical difficulty of working in the Cascade Mountains. A third problem has been a concern about gaining access to Federal land in the Cascades, primarily land administered by the U. S. Forest Service. Land use restrictions and other problems related to dealing with the Forest Service have discouraged many exploration companies. A fourth problem that has discouraged geothermal exploration in Washington has been that the state was at the fringe (of the main exploration and production activity) in California and Nevada. Thus, it has been more expensive to bring in contractors and get supplies.
机译：山的存在。华盛顿喀斯喀特山脉的圣海伦斯和其他第四纪安第斯山脉的火山以及其他指标，例如温泉和矿泉，都表明该地区具有良好的地热资源潜力。 自1970年代初以来，该地区一直在进行地热资源勘探，1974年联邦政府制定了土地租赁计划时，兴趣和勘探活动激增。在此之后，整个活动逐渐减少，直到1980年代初。在1980年代中期，由于油价下跌，大多数地热勘探计划被取消。直到2007年原油价格开始上涨时，勘探活动才开始加速。建立所需的能源组合还增加了华盛顿喀斯喀特山脉内对地热能的兴趣。 用于发电的二进制技术的发展增加了可用的潜在地热资源。 由于多种不同的原因，华盛顿喀斯喀特地热勘探的成功受到了限制。原因之一是担心与来自邦纳维尔电力局的低成本电力竞争。人口增长和新兴产业已经用尽了大部分剩余力量，因此这个问题已基本消失。限制华盛顿地热勘探的第二个问题是在喀斯喀特山脉工作的技术难度。第三个问题是人们担心获得喀斯喀特山脉的联邦土地，主要是由美国森林服务局管理的土地。土地使用限制和与林业部门打交道的其他问题使许多勘探公司望而却步。阻碍华盛顿进行地热勘探的第四个问题是，该州处于加利福尼亚和内华达州（主要勘探和生产活动的边缘）边缘。因此，引入承包商并获得物资更加昂贵。

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