- WANG Yongjun 1,2
WANG Yongjun
The Second Hydrogeology and Engineering Geology Brigade of Shandong Provincial Bureau of Geological;Survey (Lubei Geological Engineering Survey Institute of Shandong Province), DezhouShandong253072, China;Shandong Engineering Technology Research Center for Geothermal Clean Energy Exploration and Reinjection,DezhouShandong253072, China
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Search for this author on this site - NIE Dejiu 1,3
NIE Dejiu
The Second Hydrogeology and Engineering Geology Brigade of Shandong Provincial Bureau of Geological;Survey (Lubei Geological Engineering Survey Institute of Shandong Province), DezhouShandong253072, China;273 Geological Brigade of Shandong Nuclear Industry, YantaiShandong264006, China
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Search for this author on this site - YUAN Baohong 1,2
YUAN Baohong
The Second Hydrogeology and Engineering Geology Brigade of Shandong Provincial Bureau of Geological;Survey (Lubei Geological Engineering Survey Institute of Shandong Province), DezhouShandong253072, China;Shandong Engineering Technology Research Center for Geothermal Clean Energy Exploration and Reinjection,DezhouShandong253072, China
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Search for this author on this site - YUAN Baoxin 1,2
YUAN Baoxin
The Second Hydrogeology and Engineering Geology Brigade of Shandong Provincial Bureau of Geological;Survey (Lubei Geological Engineering Survey Institute of Shandong Province), DezhouShandong253072, China;Shandong Engineering Technology Research Center for Geothermal Clean Energy Exploration and Reinjection,DezhouShandong253072, China
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Search for this author on this site - ZHAO Changliang 1,2
ZHAO Changliang
The Second Hydrogeology and Engineering Geology Brigade of Shandong Provincial Bureau of Geological;Survey (Lubei Geological Engineering Survey Institute of Shandong Province), DezhouShandong253072, China;Shandong Engineering Technology Research Center for Geothermal Clean Energy Exploration and Reinjection,DezhouShandong253072, China
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Search for this author on this site - ZHANG Tao 1,2
ZHANG Tao
The Second Hydrogeology and Engineering Geology Brigade of Shandong Provincial Bureau of Geological;Survey (Lubei Geological Engineering Survey Institute of Shandong Province), DezhouShandong253072, China;Shandong Engineering Technology Research Center for Geothermal Clean Energy Exploration and Reinjection,DezhouShandong253072, China
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Search for this author on this site - LIU Zhenxin 4
LIU Zhenxin
Drilling Engineering Technology Research Center of Shandong Bureau of Geology and Mineral,YantaiShandong264004, China
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1.The Second Hydrogeology and Engineering Geology Brigade of Shandong Provincial Bureau of Geological;Survey (Lubei Geological Engineering Survey Institute of Shandong Province), DezhouShandong253072, China;2.Shandong Engineering Technology Research Center for Geothermal Clean Energy Exploration and Reinjection,DezhouShandong253072, China;3.273 Geological Brigade of Shandong Nuclear Industry, YantaiShandong264006, China;4.Drilling Engineering Technology Research Center of Shandong Bureau of Geology and Mineral,YantaiShandong264004, China
TE921+.1;P634.4+1
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In the drilling construction of high-temperature geotherm in the Tianyang Basin， affected by the lithology and high temperature of the hard rock strata of the metamorphic rock system， the cone bit has low mechanical drilling efficiency， serious wear， and short service life， which seriously affects the drilling construction. As a result， the application of PDC bit was explored. Aimed at the lithological characteristics， the key technologies such as the selection and layout of bit body， blade， profile and composite pieces were explored and optimized in drilling practice. A PDC bit with good impact resistance and suitable for metamorphic hard rock formations is developed， which effectively improves the mechanical drilling speed and reduces the drilling cost， which provides technical support for the smooth implementation of the high-temperature geothermal drilling project in the Tianyang Basin.
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History
- Received:April 08,2024
- Revised:May 28,2024
- Adopted:June 06,2024
- Online: December 04,2024
- Published: November 10,2024
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