Lithologic Reservoirs >

2008 , Vol. 20 >Issue 4: 65 - 70

DOI: https://doi.org/10.3969/j.issn.1673-8926.2008.04.012

Pore structure and influencing factors of Lower Karamay Formation in Hongshanzui area of Junggar Basin

  • ZHOU Gang ,
  • ZHENG Rongcai ,
  • WANG Jiong ,
  • LI Yu ,
  • WEN Qibing ,
  • XU Fabo
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  • 1. College of Geosciences， Yangtze University， Jingzhou 434023， China； 2. Research Institute of Exploration and Development， Xinjiang Oilfield Company， PetroChina， Urumqi 830013， China； 3. Exploration Department of Shenzhen Sub-Company， CNOOC， Shenzhen 518067， China； 4. Research Institute of Geophysical Prospecting， Zhongyuan Oilfield Branch, Sinopec， Puyang 457000， China； 5. Development Department， Jidong Oilfield Company， PetroChina， Tanghai 063200， China

Online published: 2008-12-15

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Abstract

The cast thin section, scanning electronic microscope, cast image analysis and mercury injection analysis are applied to analyze the pore structure of the Lower Karamay Formation reservoir in Hongshanzui area. The main pore type of the Lower Karamay Formation reservoir is secondary dissolved pore. The throat type is lamellar or curved lamellar, mainly of moderate and fine throat. The Lower Karamay Formation is mainly composed of type Ⅲ-Ⅳ reservoirs. The main influencing factors of the pore structure are sedimentation and diagenesis, and the cementation and dissolution are dominant factors.

Key words： reef and shoal; logging facies; seismic facies; reservoir prediction; Upper Permian Changxing Formation; eastern Sichuan-northern Chongqing area

Cite this article

ZHOU Gang , ZHENG Rongcai , WANG Jiong , LI Yu , WEN Qibing , XU Fabo . Pore structure and influencing factors of Lower Karamay Formation in Hongshanzui area of Junggar Basin[J]. Lithologic Reservoirs, 2008 , 20(4) : 65 -70 . DOI: 10.3969/j.issn.1673-8926.2008.04.012

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