新疆石油地质

新疆石油地质 ›› 2006, Vol. 27 ›› Issue (5): 522-525.

• 油气勘探 • 上一篇    下一篇

塔河碳酸盐岩油藏岩溶古地貌研究

康志宏1,2   

  1. 1.中国石化西北石油分公司勘探开发研究院, 乌鲁木齐 830011;
    2.中国石油大学博士后流动站, 北京 102249
  • 收稿日期:2005-11-25 修回日期:2006-03-17 出版日期:2006-10-01 发布日期:2020-10-20
  • 作者简介:康志宏(1966-), 男, 辽宁北镇人, 教授级高级工程师, 博士, 油藏工程,(Tel) 0991-3600872(E-mail) kangzh98@163.com.

The Karst Palaeogeomorphology of Carbonate Reservoir in Tahe Oilfield

KANG Zhi-hong1,2   

  1. 1. Research Institute of Exploration and Development, Northwest Oilfield Company, Sinopec. Urumqi 830011, China;
    2. Postdoctoral Programme, China University of Petroleum, Beijing 102249, China
  • Received:2005-11-25 Revised:2006-03-17 Online:2006-10-01 Published:2020-10-20

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摘要： 塔河油田奥陶系油藏属于多期构造和岩溶作用形成岩溶型碳酸盐岩油藏,缝洞系统受控于岩溶作用,岩溶作用强烈程度明显受控于古地貌形态。利用层序地层学理论的层序界面等时性研究古地貌,提出利用两个等时界面进行岩溶古地貌恢复。但仅仅利用钻井恢复的古地貌结果是不够的,同时针对目前塔河油田埋藏深、井点数据较少,不足以反映岩溶古地貌的细节,提出了地震和钻井资料相结合,采用ESE 方法(又称误差模拟) 研究思路再现古地貌。通过层序地层学和ESE 方法建立了塔河油田海西运动早期古地貌模型。划分出岩溶高地、岩溶斜坡等,进而预测次生孔隙发育区块。

关键词: 塔河油田, 碳酸盐岩, 岩溶, 古地貌, 模型

Abstract: The Ordovician reservoir in Tahe oilfield is a karst-type carbonate reservoir formed by multi-stage tectonics and karstification. Its crack-cavity system is controlled by the karstification which is restricted by the palaeogeomorphology. Because Tahe oilfield is of deepburied feature and few well data, it is insufficient to describe the karst palaeogeomorphology of it in detail. This paper adopts error simulation method combined with the seismic and the drilling data to reconstruct it and develop the karst palaeogeomorphology model of early Hercynian orogeny in Tahe oilfield, based on two isochronal boundaries and studies in sequence stratigraphy. Finally, the karst highland and the karst slope are recognized, and the secondary pores-developed blocks are predicted.

Key words: Tahe oilfield, carbonate rock, karst, palaeogeomorphology, model

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