| 塔里木盆地塔河油田下奥陶统碳酸盐岩的深埋溶蚀作用及其对储集体的影响 |
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| 引用本文： | 王恕一,陈强路,马红强.塔里木盆地塔河油田下奥陶统碳酸盐岩的深埋溶蚀作用及其对储集体的影响[J].石油实验地质,2003,25(Z1):557-561. |
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| 作者姓名： | 王恕一 陈强路 马红强 |
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| 作者单位： | 1. 中国石化,石油勘探开发研究院,无锡实验地质研究所,江苏,无锡,214151
2. 中国石化,石油勘探开发研究院,无锡实验地质研究所,江苏,无锡,214151;中国地质大学,湖北,武汉,430074 |
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| 基金项目： | 中国新星石油公司重点科技项目(XYK2001-47-1). |
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| 摘 要： | 塔河油田下奥陶统碳酸盐储层主要受表生岩溶控制,但后期发育埋藏溶蚀作用,对原岩溶储层产生改造调整,埋藏溶蚀发育区增加了原储层的储渗能力并可能形成以孔隙为主导的储集类型,另一方面,与埋藏溶蚀相对的埋藏充填(胶结)发育区,使原储层储集性能降低,增强了原储层的非均质性.文章探讨了埋藏溶蚀的识别标志,形成机理,认为热对流循环是埋藏溶蚀-沉淀的动力学机制,据此研究了塔河油田地温场特征并初步探讨了埋藏溶蚀作用在塔河油田的分布规律.
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| 关 键 词： | 下奥陶统 储层 埋藏 溶蚀 塔河油田 塔里木盆地 |
| 文章编号： | 1001-6112(2003)S0-0557-05 |
| 修稿时间： | 2003年6月16日 |
BURIAL CORRASION OF LOWER ORDOVICIAN CARBONATE ROCKS AND ITS INFLUENCE ON RESERVOIRS IN TAHE OILFIELD, TARIM BASIN |
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| WANG Shu-yi,CHEN Qiang-lu,MA Hong-qiang.BURIAL CORRASION OF LOWER ORDOVICIAN CARBONATE ROCKS AND ITS INFLUENCE ON RESERVOIRS IN TAHE OILFIELD, TARIM BASIN[J].Petroleum Geology & Experiment,2003,25(Z1):557-561. |
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| Authors: | WANG Shu-yi CHEN Qiang-lu MA Hong-qiang |
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| Affiliation: | WANG Shu-yi~1,CHEN Qiang-lu~1,MA Hong-qiang~ |
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| Abstract: | The Lower Ordovician reservoirs in Tahe oilfield is mainly controlled by supergene karst. In the final phase, the buricl corrasion begins and reforms the former karst reservoirs. In the burial corrasion area, the permeability of the former reservoirs is strengthened and a reservoir mainly composed of pores may come into being. On the other hand, in the burial cementation area, the reservoir ability is low and the anisotropism is high. This article discusses the sign and formation mechanism of burial corrasion, and reveals the idea that the heat convection circulation is the dynamic mechanism of burial corrasion and deposition. On this basis, the geotemperature and distribution of burial corrasion in Tahe oilfield is studied. |
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| Keywords: | Lower Ordovicion reservoir burial corrasion Tahe oilfield Tarim Basin |
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