Heat production rate and heat flow contribution of the sedimentary formation in Junggar Basin, northwest China
文献类型:期刊论文
作者 | Rao Song1,2; Zhu Chuan-Qing3; Liao Zong-Bao4; Jiang Guang-Zheng1,2; Hu Sheng-Biao1; Wang Ji-Yang1 |
刊名 | CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION
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出版日期 | 2014-05-01 |
卷号 | 57期号:5页码:1554-1567 |
关键词 | Heat production rate Heat flow of sedimentary formation GR logging Junggar Basin Deep and ultra-deep formation |
ISSN号 | 0001-5733 |
DOI | 10.6038/cjg20140519 |
文献子类 | Article |
英文摘要 | As an important part of the terrestrial heat flow, radioactive heat flow production of sedimentary formation can warm the deep and ultra-deep source rocks and promote their maturity evolution effectively in the 'cold' basins in western China which are characterized by low geothermal gradient and low terrestrial heat flow. 6, 120 heat production rates of sedimentary formation in 16 boreholes among six tectonic units in Junggar Basin were acquired using different empirical relationships between natural gamma ray (GR) and heat production rate (A). By comparison with the measured heat production rates, the applicable GR-A empirical relationship to the study area was determined. Then, the heat production rate columns of the sedimentary formation in Junggar Basin were established and the heat flow contribution of the sediments was calculated. Finally, as an example, its warming effect of Well Pc2 was calculated quantitatively. The results showed that the average heat production rate of the sediments in Junggar Basin was 1. 179 +/- 0. 339 mu W . m(-3) and it decreased gradually as the formation age became older. The Quaternary formation was with the maximum heat production rate while the Carboniferous formation minimum. The average heat flow contribution of the sediments was 7. 9 +/- 14. 9 mW . m(-2), which was approximately 29. 2% of average crustal heat flow and 19. 6% of average terrestrial heat flow. The heat flow contribution of sediments was consistent with the thickness of sediments and showed the following characteristics. (1)Relatively high heat flow contribution of sediments was confined to the Central Depression. (2) Southern Depression varied dramatically on heat flow contribution of the sediments. (3) The Luliang Uplift and Western Uplift were characterized by lower heat flow contribution of the sediments. (4) The lowest heat flow of sediments occurred in the Eastern Uplift and Wulungu Depression. The heat flow contribution of sediments can warm effectively the deep and ultra-deep source rocks in Junggar Basin and promote maturity evolution of the organic matter. For example, the temperature in the bottom of J(1)s source rock (5300 m) in Well Pc2 was 7. 3 degrees C higher in the condition of considering the heat production of sediments. Obviously, it was very significant to the hydrocarbon resource evaluation and exploration targets optimization in Junggar Basin which was characterized by low geothermal gradient and deep reservoirs. |
WOS关键词 | LITHOSPHERE BENEATH ; WESTERN CHINA ; ROCKS ; SEA |
WOS研究方向 | Geochemistry & Geophysics |
语种 | 英语 |
WOS记录号 | WOS:000336701200019 |
出版者 | SCIENCE PRESS |
源URL | [http://ir.iggcas.ac.cn/handle/132A11/85601] ![]() |
专题 | 中国科学院地质与地球物理研究所 |
通讯作者 | Rao Song |
作者单位 | 1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.China Univ Petr, Beijing 102249, Peoples R China 4.CNOOC Res Inst, Beijing 100027, Peoples R China |
推荐引用方式 GB/T 7714 | Rao Song,Zhu Chuan-Qing,Liao Zong-Bao,et al. Heat production rate and heat flow contribution of the sedimentary formation in Junggar Basin, northwest China[J]. CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,2014,57(5):1554-1567. |
APA | Rao Song,Zhu Chuan-Qing,Liao Zong-Bao,Jiang Guang-Zheng,Hu Sheng-Biao,&Wang Ji-Yang.(2014).Heat production rate and heat flow contribution of the sedimentary formation in Junggar Basin, northwest China.CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,57(5),1554-1567. |
MLA | Rao Song,et al."Heat production rate and heat flow contribution of the sedimentary formation in Junggar Basin, northwest China".CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION 57.5(2014):1554-1567. |
入库方式: OAI收割
来源:地质与地球物理研究所
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