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塔中卡塔克区块古岩溶储层地震预测技术

Prediction of paleokarst reservoir in the southeastern slope of Tazhong area in Tarim Basin using seismic techniques

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【作者】 张宏郑浚茂杨道庆杨春峰常炳章张驰

【Author】 ZHANG Hong1,2 ZHENG Junmao1 YANG Daoqing2YANG Chunfeng2 CHANG Bingzhang2 ZHANG Chi2(1.School of Energy Resource,China University of Geosciences,Beijing 100083,China;2.Research Institute of Exploration and Development,Sinopec Henan Oilfield Company,Nanyang 473132,China)

【机构】 中国地质大学能源学院河南油田石油勘探开发研究院河南油田石油勘探开发研究院 北京100083河南油田石油勘探开发研究院河南南阳473132北京100083河南南阳473132

【摘要】 塔里木盆地塔中地区奥陶系古岩溶储层具有埋藏深、非均质性强等特点,但其测井和地震响应较为明显。为此,利用地震、测井和地质资料及地震资料叠后波阻抗反演、属性分析和叠前双相介质储层物性参数反演技术,对该区东南部卡塔克区块下奥陶统古岩溶缝洞型储层进行了识别、预测和含油气检测分析。结果表明,卡塔克区块有5个古岩溶储层发育区带,并综合评价出4个有利钻探目标。优选其中一个目标进行钻探,证实了预测结果的可靠性。

【Abstract】 The Ordovician carbonate reservoirs of in the Tazhong area of Tarim Basin were characterized by deeply buried depth and strong heterogeneity.These reservoirs have the obvious reflection features and well-log curves.Based on these geophysical responses,many seismic techniques such as post-stack seismic attributes,seismic acoustic impedance inversion,lithology inversion from pre-stack seismic data,and hydrocarbon detection were applied for predicting the fractured and paleocave reservoirs of Lower Ordovician on the southeastern slope of Tazhong area.Five developed zones of paleokarst reservoirs and four favorable drilling targets were obtained from the integration analyses of seismic data and well data by using structure,rock physics and lithofacies information.An oil well in the favorable target zone was drilled,and the above prediction was proved.

【基金】 中国石油化工股份有限公司西部科技项目(XZCG02-26)“塔中地区卡塔克区块碳酸盐岩古岩溶发育带地震预测技术研究”部分成果
  • 【文献出处】 石油学报 ,Acta Petrolei Sinica , 编辑部邮箱 ,2008年01期
  • 【分类号】P631.4
  • 【被引频次】33
  • 【下载频次】557
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