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si chuan pen di di wen ti du ji ji ge shen jing de re liu zhi
Author(s): 
Pages: 80-84
Year: Issue:  1
Journal: Oil & Gas Geology

Keyword:  四川盆地地温梯度岩石热导率大地热流值;
Abstract: The geothermal gradient contour chart of Sichuan Basia shows that geothermal gra-dient of Central Sichuan is 25 -30℃/kin±,and it decreases to 20℃/km in the western,northern and eastern parts of the basin.A profile showing the basin's heat conductivitywas made based on 58 data of heat conductivity measured from some deep well cores andthe heat flow values of 6 deep wells were calculated as follows:D-87 well in CentralSichuan is 68.83mW/m~2;D-100 well and D-96 well in Western Sichuan are 48.51mW/m~2 and 52.27mW/m~2;D-55 well and D-69 well in Northern Sichuan Basin is 48.03mW/m~2 and 42.49mW/m~2;D-82 well in Northeastern Sichuan Basin is 45.49mW/m~2.Theaverage value(50.83mW/m~2)is lower than North Jiangsu,South Jiangsu and NorthChina Basin.
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