井中岩屑碳酸盐含量与酸解烃关系新认识

杨俊; 沈忠民; 王国建; 程同锦; 卢丽

doi:10.11781/sysydz201501092

井中岩屑碳酸盐含量与酸解烃关系新认识

doi: 10.11781/sysydz201501092

1.
"油气藏地质及开发工程"国家重点实验室(成都理工大学), 成都 610059
2. 中国石化石油勘探开发研究院无锡石油地质研究所, 江苏无锡 214151

基金项目: 国家自然科学基金项目(40972088)和国土资源部行业科研专项项目(201211060)共同资助.

详细信息

作者简介:
杨俊(1982-),男,硕士,工程师,从事油气藏形成与分布和油气地球化学勘探研究.E-mail:yangjun19821002@163.com.

中图分类号: TE132.4
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出版历程
- 收稿日期: 2013-05-07
- 修回日期: 2014-11-20
- 刊出日期: 2015-01-28

A new viewpoint about the relationship between carbonate content and acidolysis hydrocarbon

1.
State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology, Chengdu, Sichuan 610059, China
2. Wuxi Research Institute of Petroleum Geology, SINOPEC, Wuxi, Jiangsu 214151, China

摘要

摘要: 用一元回归的方法探寻井中岩屑碳酸盐含量与酸解烃含量的关系,发现二者斜率和相关系数在长期稳产油(气)井、干井或产期短油(气)井中特征迥异.长期稳产油(气)井中泥岩的碳酸盐含量与酸解烃含量的斜率和相关系数大于砂岩,而干井或产期短油(气)井中恰好相反,并从碳酸盐矿物形成和不同岩性吸附性能的角度分析了这种特征的形成机理.据此特征提出一种新探井含油气性预测和老井复查的方法,具有快速、低成本的特点,可有效提高探井和老井复查成功率.
- 碳酸盐含量 /
- 酸解烃 /
- 含油气性预测 /
- 老井复查 /
- 临南—钱官屯油田 /
- 惠民凹陷
Abstract: Using unary linear regression, the relationship between carbonate content and acidolysis hydrocarbon in a well was investigated, which was different in wells with long production history, dry wells or wells with short production history. The gradient in the mudstone and related coefficient were greater than that in the sandstone in the wells with long production history, but the reverse was true in the dry wells or the wells with short production history. Then the reasons for the characteristics were analyzed from the carbonate mineral formation and the different lithology's adsorption property. According to the characteristics, a new method was developed for hydrocarbon prediction in exploration wells and the re-examination of old wells. This method was fast and with low cost, and could effectively improve the success rate of new and old wells re-examination.
- carbonate content /
- acidolysis hydrocarbon /
- hydrocarbon prediction /
- old wells re-examination /
- Linnan-Qianguantun Oilfield /
- Huimin Sag

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参考文献(19)

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