Design and application of BLD series high efficient insulation steel pipe for geothermal wells

ZHANG Keming; WANG Zhizuo; SUN Jianhua; ZHOU Zhengxin and QIAN Shanhong; ${author.authorNameEn}

doi:10.12143/j.ztgc.2021.11.009

2021 Vol. 48, No. 11

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ZHANG Keming, WANG Zhizuo, SUN Jianhua, ZHOU Zhengxin and QIAN Shanhong, . 2021. Design and application of BLD series high efficient insulation steel pipe for geothermal wells. DRILLING ENGINEERING, 48(11): 57-65. doi: 10.12143/j.ztgc.2021.11.009

Citation:

ZHANG Keming, WANG Zhizuo, SUN Jianhua, ZHOU Zhengxin and QIAN Shanhong, . 2021. Design and application of BLD series high efficient insulation steel pipe for geothermal wells. DRILLING ENGINEERING, 48(11): 57-65. doi: 10.12143/j.ztgc.2021.11.009

Design and application of BLD series high efficient insulation steel pipe for geothermal wells

1. Wuxi Beilai Tube Co., Ltd. (OCTG Branch) , Wuxi Jiangsu 214151， China;
2. Institute of Exploration Techniques, CAGS, Langfang Hebei 065000, China;
3. Wuxi Beilai Tube Co., Ltd., Wuxi Jiangsu 214151, China

Received Date: 11 February 2021

Revised Date: 28 April 2021

Abstract

Abstract

In order to achieve carbon peak before 2030 and carbon neutrality before 2060， the energy industry of China has proceeded to a new stage of carbon reduction and energy saving from clean and efficient energy development. As a clean， zero-carbon energy source， geothermal energy is facing unprecedented development opportunities. For the scientific， efficient， and high-quality utilization and development of geothermal energy， it is necessary to develop high-efficiency insulation steel pipes for geothermal wells. An insulation pipe has been developed with the thermal conductivity less than 0.02， and the high anti-collapse， high anti-burst， and connection strength up to the design requirements of medium and deep geothermal wells. The product is of independent intellectual property rights， and can be made locally with cost reduction by more than 30%， and excellent economic benefits.
- geothermal /
- geothermal well /
- insulation steel pipe /
- aerogel /
- downhole insulation steel pipe /
- thermal conductivity

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References

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