中国钻探万米超深井Shenditake-1

3 月15 日
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3月4日14时48分，新疆维吾尔自治区申地塔克1号超深井钻探深度。 达到1万米，标志着我国深部地质勘探取得突破。 新华社对此进行了报道。

Shenditake-1井

  • 位于中国西北部塔里木盆地塔克拉玛干沙漠内陆地区；
  • 设计深度—1.1万米；
  • 这口井应该成为世界上最深的井之一；
  • 自2023年5月30日开始钻探以来： 该井钻穿了13个大陆地层；使用了1000多根钻杆和20多个钻头。

负责钻探的中国石油天然气集团公司塔里木油田首席专家王春生表示，这是中国首次钻探深度超过万米的直井。 他还指出，到达一万米后，将会遇到严重的问题，例如温度高于200℃、油藏压力高于130兆帕，而且复杂性会随着每米增加而增加。

塔里木盆地

  • 中国油气最有发展前景的方向；
  • 沉积岩厚度——可达1万米以上；
  • 地基由前寒武系岩石组成，平缓地台盖为古生代；
  • 中新生代山麓槽使得边缘变得复杂。

世界上最深的井

迄今为止最深的井位于俄罗斯科拉半岛。 科拉超深井SG-3建造了大约20年，直到1989年。 其深度为12公里262米——大约是到地心距离的0.2%。

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An Ultra-Deep Well, Shenditake-1, 10 Thousand Meters Deep, Was Drilled In China

— March 15, 2024
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Drilling depth of the Shenditake-1 ultra-deep well in the Xinjiang Uyghur Autonomous Region (XUAR) on March 4 at 14:48. reached 10 thousand m, which marks a breakthrough in the country’s deep geological exploration. Xinhua agency reports this.

Shenditake-1 well

  • located in the interior region of the Taklamakan Desert, in the Tarim Basin in northwestern China;
  • design depth – 11 thousand m;
  • the well should become one of the deepest in the world;
  • from the start of drilling on May 30, 2023: the well penetrated 13 continental formations; more than 1 thousand drill pipes and more than 20 drill bits were used.

Wang Chunsheng, chief expert on the Tarim oil field at China National Petroleum Corporation (CNPC), which is in charge of drilling, said this is the first time China has drilled a vertical well more than 10,000 meters deep. He also noted that after reaching 10 thousand meters, serious problems will be encountered, such as temperatures above 200°C and reservoir pressure above 130 MPa, and the complexity will increase with each meter.

Tarim Basin

  • the most promising direction for the development of oil and gas in China;
  • thickness of sedimentary rocks – up to 10 thousand m or more;
  • the foundation is composed of Precambrian rocks, the gently lying platform cover is Paleozoic;
  • the edges are complicated by Mesozoic-Cenozoic foothill troughs.

The deepest well in the world

The deepest well to date is located in Russia, on the Kola Peninsula. The Kola superdeep well SG-3 was built for about 20 years, until 1989. Its depth is 12 km 262 m – about 0.2% of the way to the center of the Earth.

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