天然气地球科学

• 天然气地质学 • 上一篇    下一篇

准噶尔盆地南部霍玛吐构造带古近系紫泥泉子组储层发育特征与控制因素分析

白振华,姜振学,宋岩,赵孟军,方世虎,张健   

  1. 1.中国石油大学( 北京), 北京 102249; 2.中国石油勘探开发研究院,北京 100083; 3.中国石油天然气集团公司盆地构造与油气成藏重点实验室,北京 100083; 4.中国石油新疆油田分公司勘探开发研究院地物所,新疆 乌鲁木齐 830013
  • 收稿日期:2012-10-16 修回日期:2012-11-20 出版日期:2013-04-10 发布日期:2013-04-10
  • 通讯作者: 白振华baizhh@163.com. E-mail:baizhh@163.com.
  • 作者简介:白振华(1982-),男,河北保定人,在站博士后,主要从事储层地质学与油气成藏综合研究. E-mail:baizhh@163.com.
  • 基金资助:

    国家科技重大专项(编号:2011ZX05003-001)“中西部前陆盆地大型油气田形成、分布与区带评价”资助.

The Reservoir Characteristics and Its Main Controlling Factor Discussion in Ziniquanzi Formation of Huomatu Tectonic Zone,Southern Junggar Fold-thrust Belt

BAI Zhen-hua, JIANG Zhen-xue, SONG Yan, ZHAO Meng-jun, FANG Shi-hu, ZHANG Jian   

  1. 1.China University of Petroleum, Beijing 102249, China; 2.PetroChina Research Institute of Petroleum Exploration and Development, Beijing 100083, China;3.PetroChina Key Laboratory of Basin Structure and Hydrocarbon Accumulation, Beijing 100083, China; 4.Institute of Geophysics of Research Institute of E and D, Xijiang Oilfield Company, Urumqi 830013, China
  • Received:2012-10-16 Revised:2012-11-20 Online:2013-04-10 Published:2013-04-10

摘要:

油气勘探与评价结果表明,储层发育的复杂性是除复杂构造变形特征与构造样式之外控制准南前陆盆地霍玛吐构造带油气成藏与油气分布的另一重要因素。从沉积相和岩石学特征入手,结合常规薄片观察、扫描电镜、压汞实验等分析成果,对霍玛吐构造带古近系紫泥泉组储层特征进行分析研究。结果表明,紫泥泉子组三段储层岩性主要为细砂岩和粉砂岩,岩石粒度偏细。由于沉积作用和成岩作用的共同控制,决定了霍玛吐构造带3个构造储层物性的差异性:玛纳斯背斜储层物性最好,孔渗分布模式呈现“后峰型‘’;霍尔果斯背斜储层物性中等,孔渗分布较均匀,呈现“双峰型”;而吐谷鲁背斜储层物性最差,孔隙度分布略呈现“双峰型‘’,渗透率分布则呈现“前峰型”。
 

关键词: 储层特征, 成岩作用, 控制因素, 古近系, 紫泥泉子组, 霍玛吐构造带

Abstract:

Oil and gas exploration and evaluation results show that the complexity of reservoir characteristics is another important factor beside of the complex tectonic deformation and style,which controlled the oil and gas accumulation and distribution of Huomatu tectonic zone in Southern Junggar fold-thrust belt.Based on the depositional facies and petrologic characteristics,combined with the results of conventional thin section,SEM,mercury injection test,reservoir characteristics of the Paleocene Ziniquanzi Formation in Huomatu tectonic zone were analyzed.The results suggest that the E1-2z3   reservoir is mainly composed of fine sandstone and siltstone with small grain size.Because of the controlling factor of both sedimentation and diagenesis,physical property differences exist in the three anticlines of Huomatu tectonic belt.The Manasi anticline reservoir has the best physical property,and the distribution of porosity and permeability appears“after peak type”.The porosity and permeability mainly concentrate in the range of 21% to 26% and 40×10-3μm2 to 640×10-3μm2 respectively,so the E1-2z3 reservoir quality in Manasi anticline is moderate-high porosity and permeability the Huoerguosi anticline reservoir has medium physical property,and the porosity and permeability distribution presents a “double peaks type” with the porosity mainly concentrating in the range of 5% to 9% and 12% to 20% and permeability of 0.16×10-3μm2    to 0.64×10-3μm and 1.25×10--3μm to 20×10-3μm2 .While the Tugulu anticline reservoir has the worst physical property and the similar porosity distribution with Huoerguosi anticline,whereas,the permeability distribution is characterized by “front peak type” with the peak between 0.16×10-3μm and 0.32×10-3μm2 .Consequently,the E1-2z3 reservoir qualities in these two anticlines are moderate porosity and moderate-low permeability generally.

Key words: Reservoir characteristics, Diagenesis, Controlling factor, Paleocene, Ziniquanzi Formation, Huomatu tectonic zone

中图分类号: 

  • TE122.2

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