新疆石油地质

新疆石油地质 ›› 2008, Vol. 29 ›› Issue (6): 725-727.

• 油气勘探 • 上一篇    下一篇

三塘湖盆地牛圈湖地区低电阻油层及饱和度评价

郭沫贞1, 张生兵2, 文川江2, 肖林鹏3, 陈昶旭2, 王斌文2   

  1. 1.中国石油杭州地质研究院，杭州310023;
    2.中国石油吐哈油田分公司勘探开发研究院，新疆哈密83900;
    3.中国石油吐哈油田分公司开发处，新疆鄯善838200
  • 收稿日期:2008-03-31 发布日期:2020-11-20
  • 作者简介:郭沫贞（1974-），男，陕西丹凤人，工程师，石油地质，（Tel）0571-85224951（E-mail）guomz_hz@petrochina.com.cn.

Low Resistivity Reservoir and Water Saturation Evaluation of Qigu Formation in Niujuanhu Area in Santanghu Basin

GUO Mo-zhen1, ZHANG Sheng-bing2, WEN Chuan-jiang2, XIAO Lin-peng3, CHEN Chang-xu2, WANG Bin-wen2   

  1. 1. Hangzhou Research Institute of Petroleum Geology, PetroChina, Hangzhou, Zhejiang 310023, China;
    2. Research Institute of Exploration and Development, Tuha Oilfield Company, PetroChina, Hami, Xinjiang 839009, China;
    3. Development Department of Tuha Oilfield Company, PetroChina, Shanshan, Xinjiang 838202, China
  • Received:2008-03-31 Published:2020-11-20

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摘要： 三塘湖盆地牛圈湖区块上侏罗统齐古组油气层具明显的低电阻特征，储集层粘土矿物特征及产状是形成油气层低电阻的主要因素。粘土矿物以双层粘土颗粒包膜产状出现，造成粘土膜因阳离子交换而产生较强的附加导电性，是形成低电阻的主要原因。通过与阿尔奇公式对比，采用“双水模型”评价油藏饱和度是该区较为有效的计算饱和度的方法。

关键词: 三塘湖盆地, 电阻, 粘土矿物, 含水饱和度, 双水模型

Abstract: The oil-gas reservoir in Upper Jurassic Qigu formation of Niujuanhu area in Santanghu basin is obviously characterized by low resistivity. The study shows that the clay minerals and their occurrences are the main influencing factors for forming the low-resistive reservoir. The double clay film enveloping the grains creates relatively strong additional conductive property through cationic exchange of the clay film, which is the main reason for it. By comparison with Archie's Equation, it is indicated that using "dual water model" to evaluate water saturation in reservoirs is the more effective method in this area.

Key words: Santanghu basin, low resistivity, clay mineral, water saturation, dual water model

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