Analysis and countermeasures on influencing factors of geothermal well reinjection in Lankao， Henan province

CHEN Ying; WANG Panke; WU Ye; MA Qingpo; YU Li and SHANGGUAN Rui; ${author.authorNameEn}

doi:10.12143/j.ztgc.2022.06.020

2022 Vol. 49, No. 6

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Article navigation > DRILLING ENGINEERING > 2022 > 49(6): 146-152

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CHEN Ying, WANG Panke, WU Ye, MA Qingpo, YU Li and SHANGGUAN Rui, . 2022. Analysis and countermeasures on influencing factors of geothermal well reinjection in Lankao， Henan province. DRILLING ENGINEERING, 49(6): 146-152. doi: 10.12143/j.ztgc.2022.06.020

Citation:

CHEN Ying, WANG Panke, WU Ye, MA Qingpo, YU Li and SHANGGUAN Rui, . 2022. Analysis and countermeasures on influencing factors of geothermal well reinjection in Lankao， Henan province. DRILLING ENGINEERING, 49(6): 146-152. doi: 10.12143/j.ztgc.2022.06.020

Analysis and countermeasures on influencing factors of geothermal well reinjection in Lankao， Henan province

1.Henan Engineering Research Center of Deep Exploration, Zhengzhou Henan 450053, China;
2.No.2 Institute of Geo-Environment Survey of Henan, Zhengzhou Henan 450053, China;
3.Henan University of Engineering, Zhengzhou Henan 451191, China;
4.Geological Vocational School of Henan Province, Zhengzhou Henan 450053, China

Received Date: 26 September 2021

Revised Date: 22 April 2022

Abstract

Abstract

Geothermal well reinjection is one of the key steps to ensure the sustainable development and utilization of geothermal resources. This paper， in reference to the geological conditions of thermal reservoir， water quality characteristics and geothermal well pipe material in Lankao， Henan province， presents the indoor corrosion observation experiment and PHREEQC geochemical simulation software. The influencing factors of reinjection effect are analyzed from the aspects of chemical precipitation trend， corrosiveness of geothermal water， drilling and well completion technology. Suggestions are put forward to improve geothermal reinjection effect in terms of geothermal water quality treatment， geothermal well pipe material selection， drilling and well completion technology optimization， reinjection temperature， site selection.
- geothermal resources /
- Guantao formation /
- geothermal well /
- reinjection /
- Lankao region

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References

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