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<p>In order to serve the gas clean energy exploration in Beijing, Tianjin and Hebei, Institute of Exploration Techniques (CAS) undertook the drilling task of gas exploration well D22 in Xiong’An New Area. This paper analyzes the engineering situation and construction difficulties of well D22, and introduces the drilling technology of each drilling operation. In the construction process, according to the characteristics of dolomite thermal reservoir, bit optimization, coring technology, plugging technology and borehole trajectory control technology are studied.</p>

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Key Drilling Technology of Well in Exploration Block

  • 期刊论文

  • 发表日期：

    2025年1月1日

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  • Pengju Gao,
  • Jiliang Zhang,
  • Peng Chang,
  • Xiaolong Wu,
  • Bei Liu

摘要

In order to serve the gas clean energy exploration in Beijing, Tianjin and Hebei, Institute of Exploration Techniques (CAS) undertook the drilling task of gas exploration well D22 in Xiong’An New Area. This paper analyzes the engineering situation and construction difficulties of well D22, and introduces the drilling technology of each drilling operation. In the construction process, according to the characteristics of dolomite thermal reservoir, bit optimization, coring technology, plugging technology and borehole trajectory control technology are studied.