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苏联在科拉半岛上靠近巴伦支海,摩尔曼斯克以西的地方,打了一个世界上最深的钻孔,孔深达10,636米.据《Oil and Gas Jaurnal》三月九日(1981)报道,该钻孔已达34,896英尺.美国的钻深记录为31,441英尺,1974年钻于俄克拉何马州沃希托县. 据该杂志引自苏联的报道,钻孔底部的温度已超过180℃,现他们仍在继续钻进,目标是15,000米.虽然他们曾预期在7,000米深处遇到玄武岩,但至今仍发现是花岗岩.然而,据V.V.别洛乌索夫云:“在这个深度,花岗岩层这一岩石类型已证明具有象玄武岩一样的地震特性.”
On the Kola Peninsula, near the Barents Sea, west of Murmansk, the Soviet Union made one of the deepest boreholes in the world with a hole depth of 10,636 meters. According to a report by Oil and Gas Jaurnal on March 9 (1981) Which bore 34,896 feet and the United States recorded a depth of cut of 31,441 feet and was drilled in Washic County, Oklahoma in 1974. According to the magazine’s report from the Soviet Union, the temperature at the bottom of the borehole has exceeded 180 ° C They are still continuing to drill, with a target of 15,000 meters. Although they had expected to encounter basalt at a depth of 7,000 meters, they were still found to be granite. However, according to VV Belołudov: “At this depth, Granite This rock type has proven to have basalt like seismic properties. ”