塔河油田三叠系岩性圈闭识别与评价技术
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摘要
塔河油田近年在岩性油气藏勘探中取得了重大的突破,发现并落实了阿克亚苏2号上油组复合圈闭、塔河南中油组河道砂体岩性圈闭等,在其上部署的AT2、YT2等井都喜获工业油气流,展示了三叠系岩性油气藏领域的良好勘探前景。在层序地层学和沉积微相研究的基础上,采用层序地层学方法、岩性体的岩石物理特征与模型正演技术、地震属性提取与综合分析、波形分析技术、全三维可视化地震解释、基于模式的地震反演技术、砂岩厚度预测技术和油气检测技术对塔河油田三叠系岩性圈闭进行了识别和评价。
The great breakthrough has been made in Tahe oilfield in recent years for Triassic lithologic reservoir exploration. The complex trap of upper oil measure in Akeyasu-2 well and the lithologic trap of channel sand body of middle oil measure in southern Tahe oilfield were found, on which Well AT2 and Well YT2, etc. were drilled and commercial oil-gas flows were gained, revealing a good prospect for Triassic lithologic reservoir exploration. This paper presents the identification and evaluation of the Triassic lithologic traps in Tahe oilfield based on the combination technologies such as sequence stratigraphy, sedimentary microfacies study, petrophysical properties, forward modeling, seismic attribute, waveform analysis, 3D visual seismic interpretation, seismic inversion, sand thickness prediction and oil-gas detection, etc.
The great breakthrough has been made in Tahe oilfield in recent years for Triassic lithologic reservoir exploration. The complex trap of upper oil measure in Akeyasu-2 well and the lithologic trap of channel sand body of middle oil measure in southern Tahe oilfield were found, on which Well AT2 and Well YT2, etc. were drilled and commercial oil-gas flows were gained, revealing a good prospect for Triassic lithologic reservoir exploration. This paper presents the identification and evaluation of the Triassic lithologic traps in Tahe oilfield based on the combination technologies such as sequence stratigraphy, sedimentary microfacies study, petrophysical properties, forward modeling, seismic attribute, waveform analysis, 3D visual seismic interpretation, seismic inversion, sand thickness prediction and oil-gas detection, etc.
引文
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[2]石玉,李宗杰,范伟峰.塔河油田三叠系非构造圈闭识别与评价技术研究[A]//翟晓先主编.塔河油气田勘探与评价论文集[C].北京:石油工业出版社,2006:387-401.
[3]刘辰生,田永强,郭建华.阿克库勒地区三叠系储集层成岩作用[J].新疆石油地质,2005,26(1):62-64.
[4]王天琦,王建功.利用地震测井一体化解释技术寻找隐蔽型油气藏[A]//赵政璋主编.地震资料解释新技术应用成果交流会论文集[C].北京:石油工业出版社,2001:89-97.
[5]姚超,焦贵浩,吕友生,等.岩性地层圈闭勘探思路及其工业制图的建议[J].中国石油勘探,2005,40(6):6-13.
[6]卫平生,王建功,潘树新,等.河口坝、沿岸坝的形成及成藏机制[J].新疆石油地质,2004,25(6):592-595.
[7]袁明生,张朝富.石油地质新理论、新技术、新方法在勘探开发中的应用[J].新疆石油地质,2001,22(4):345-350.
[8]林忠民.塔里木盆地塔河油田奥陶系大型油气藏形成条件[J].地质论评,2002,48(4):372-376.
[9]蒲仁海,何发岐.阿克库勒凸起南部辫状河三角洲砂体尖灭圈闭预测[J].石油天然气地质,1999,22(3):22-25.
[10]勒军,刘楼军,邵雨.综合地球物理方法识别准噶尔盆地的岩性圈闭[J].石油地球物理勘探,2002,37(3):287-289.
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