The thermal history in sedimentary basins: A case study of the central Tarim Basin, Western China
摘要:The reconstruction of thermal history is essential for the superdeep (> 6,000 m) hydrocarbon exploration and development in the Central Tarim Basin, Western China. This study first recovered the burial histories of five typical wells in the Shunbei area (the Central Tarim Basin) based on the drilling data and calculated the erosional thicknesses using the well-tie profiles. The thermal histories and hydrocarbon charging periods of the Shunbei area were studied with the measured equivalent vitrinite reflectance (Requ) and fluid inclusion assemblage homogenization temperature data, respectively. Except for some abnormal values, most Requ data with 0.45%- 1.48% gradually increase with depth. The thermal modeling revealed that the heat flow in the Shunbei area gradually decreased since the Early Ordovician, with an abrupt peak of ~45-47 mW/m(2) during the Early Permian. The temperature histories of the Ordovician Yijianfang and Yingshan Formation reservoirs in the Shunbei area could be divided into three stages of rapid heating (1.27-1.36 C/Ma), slow heating (0.07-0.09 C/ Ma) and rapid heating (1.20-1.28 C/Ma). We recognized three hydrocarbon charging periods in the No. 1 strike slip fault zone, which occurred at ~435-420 Ma, ~263-220 Ma, and 18-3 Ma, respectively, while the No. 5 and 7 strike-slip fault zones only experienced the first two periods. This study provides new insights into the thermal history and hydrocarbon accumulation in the Shunbei area, which would be very useful for further superdeep oil and gas exploration and resource evaluation in the Central Tarim Basin.
关键字:Tarim Basin; Northern Shuntuoguole area; Thermal history; Hydrocarbon charging; Equivalent vitrinite reflectance; Fluid inclusion
ISSN号:1367-9120
卷、期、页:卷: 229
发表日期:2022-05-15
影响因子:3.449400
期刊分区(SCI为中科院分区):三区
收录情况:SCIE(科学引文索引网络版),地学领域高质量科技期刊分级目录(国外T2)
发表期刊名称:JOURNAL OF ASIAN EARTH SCIENCES
参与作者:吴鲜,韩俊,李慧莉,Ma, Anlai
通讯作者:李丹,王江珊,张梦然
第一作者:常健,邱楠生
论文类型:期刊论文
论文概要:李丹,常健,邱楠生,王江珊,张梦然,吴鲜,韩俊,李慧莉,Ma, Anlai,The thermal history in sedimentary basins: A case study of the central Tarim Basin, Western China,JOURNAL OF ASIAN EARTH SCIENCES,2022,卷: 229
论文题目:The thermal history in sedimentary basins: A case study of the central Tarim Basin, Western China