| 新疆塔里木盆地东部奥陶系剥蚀厚度计算和平面成图 |
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| 引用本文： | 单玄龙,杨亮,王璞珺.新疆塔里木盆地东部奥陶系剥蚀厚度计算和平面成图[J].新疆地质,2006,24(4):389-391. |
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| 作者姓名： | 单玄龙 杨亮 王璞珺 |
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| 作者单位： | 1. 吉林大学,吉林,长春,130026
2. 吉林油田公司勘探开发研究院,吉林,松原,138000 |
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| 摘 要： | 针对塔东地区实际地质资料和低勘探程度的特点,应用声波时差、镜质体反射率、沉积速率等多种综合方法,计算11口钻井的奥陶系剥蚀量.平面上奥陶系顶面剥蚀厚度的求取主要依据27条地震剖面资料,应用沉积速率法计算剥蚀量,且剥蚀量的数量级受邻近钻井值的约束,并绘制了奥陶系剥蚀量平面图.研究区奥陶系顶面剥蚀量在111~2 929 m,总体趋势为南部剥蚀量大,北部剥蚀量小,即从盆地边部向盆地内部剥蚀量增加.东部剥蚀量相对较小,西部剥蚀量相对较大.
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| 关 键 词： | 塔里木盆地 镜质体反射率 声波时差 沉积速率 剥蚀量 |
| 文章编号： | 1000-8845(2006)04-389-03 |
| 收稿时间： | 07 23 2006 12:00AM |
| 修稿时间： | 08 10 2006 12:00AM |
CALCULATION OF ORDOVICIAN EROSION THICHNESS IN EASTERN TARIMU BASIN |
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| SHAN Xuan-long,YANG Liang,WANG Pu-jun.CALCULATION OF ORDOVICIAN EROSION THICHNESS IN EASTERN TARIMU BASIN[J].Xinjiang Geology,2006,24(4):389-391. |
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| Authors: | SHAN Xuan-long YANG Liang WANG Pu-jun |
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| Abstract: | Ordovician stratigraphic erosion thickness of 11 wells was comprehensively calculated using acoustic transit times,vitrinite reflectances and deposition rates according to the geological data of eastern Tarimu Basin.Ordovician stratigraphic denudation thickness in plan is calculated using a deposition rate based on 27 seismic sections and actual values are controlled by wells.A contour diagram of Ordovician stratigraphic denudation thicknesses was compiled.Ordovician stratigraphic denudation thicknesses are between 111m-2929m.Thicknesses increase from north to south and from east to west. |
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| Keywords: | East Tarimu Basin vitrinite reflectance acoustic transit time deposition rate Ordovicion stratigraphic erosion thickness |
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