Heat Flow in the Eastern Subdepression of Liaohe Basin

›› 2000, Vol. 17 ›› Issue (2): 62-67.

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Heat Flow in the Eastern Subdepression of Liaohe Basin

Wang Yongxin¹, Hu Shengbiao¹, Wang Jiyang¹

1. Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029;
2. Research Insti tu te of Pet roleum E xp lorat ion an d Development, Liaohe Oil field Administ rative Bureau, Panj in, 124010

Received:2000-10-15 Online:2000-03-15

Abstract

Abstract:

The Liaohe Basin is a Meso-Cenozoic faulting-depression basin, characterized by tectonic framewo rk of “three subdepressions and three uplift s”.Based on temperature measurements in 12 w ells and thermal conductivity determinations of 47 rock samples, 12 heat flow values w ere calculated for the Eastern Subdepression.The geo thermal g radient ranges f rom 10 ℃/ Km to 50 ℃/Km.The rock thermal conduct ivity ranges f rom 0.819 W/m·k to 2.914 W/m·k.Ranging f rom 45.7 mW/m² to 70.0 mW/m², the mean of these 12 heat flow values exhibi ts 56.1 ±6.98 mW/m².The heat f low in the uplif t and ramp is g reater than that in the sag.

Key words: Borehole geothermal g radient, Thermal conductivity, Heat f low, Eastern subdepression of Liaohe Basin

CLC Number:

P618.13

Wang Yongxin, Hu Shengbiao, Wang Jiyang. Heat Flow in the Eastern Subdepression of Liaohe Basin[J]. , 2000, 17(2): 62-67.

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Heat Flow in the Eastern Subdepression of Liaohe Basin

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