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[1] [28] It was also the longest borehole in the world from 1979 to 2008. Its record length was surpassed in May 2008 by the curved extended reach drilling bore of well BD-04A in the Al Shaheen Oil Field in Qatar, which attained a total length of 12,289 metres (40,318 ft) but depth of just 1,387 metres (4,551 ft). [29] [30]
Pagosa hot springs are the world's deepest geothermal hot spring. [13] [14] In 2020 the depth was measured by a collaborative team from the Center for Mineral Resources Science (CMRS) and the Colorado School of Mines and the U.S. Geological Survey. The measuring device went to a depth of 1002 feet, but the "tape measure" had reached its full ...
The Iceland Deep Drilling Project (IDDP) is a geothermal project established in 2000 by a consortium of the National Energy Authority of Iceland (Orkustofnun/OS) and four of Iceland's leading energy companies: Hitaveita Suðurnesja (HS), Landsvirkjun, Orkuveita Reykjavíkur and Mannvit Engineering. The consortium is referred to as "Deep Vision".
Upper estimates of geothermal resources assume wells as deep as 10 km (6.2 mi). Drilling near this depth is now possible in the petroleum industry, although it is an expensive process. The deepest research well in the world, the Kola Superdeep Borehole (KSDB-3), is 12.261 km (7.619 mi) deep. [21]
The World’s Deepest Holes Can Fight Climate Change ThomasVogel - Getty Images Tapping into the energy content of heat stored underground would meet the world’s energy needs.
For many years, the world's longest borehole was the Kola Superdeep Borehole in Russia. From 2011 until August 2012 the record was held by the 12,345-metre (40,502 ft) long Sakhalin-I Odoptu OP-11 Well, offshore the Russian island Sakhalin. [11] The Chayvo Z-44 extended-reach well took the title of the world's longest borehole on 27 August 2012 ...
the deepest boreholes (Core drill, for geological exploration), and; the longest boreholes ( Extended Reach Drilling , for oil production). Pages in category "Deepest boreholes"
The Lone Star Bertha Rogers well in Beckham County, Oklahoma held the record as the world's deepest producing well in 1974-1979. It has subsequently been surpassed by several other deep wells, see deepest artificial point. It was drilled to a depth of 31,441 feet (9,583 m). [1]