[1]林士尧,张超前,万学鹏,等.奥连特盆地M油田海绿石砂岩低阻油层识别方法[J].油气井测试,2019,28(04):38-44.[doi:10.19680/j.cnki.1004-4388.2019.04.007]
　LIN Shiyao,ZHANG Chaoqian,WAN Xuepeng,et al. Glauconite sandstone lowresistivity oil reservoir identification in M Oilfield of Oriente basin[J].Well Testing,2019,28(04):38-44.[doi:10.19680/j.cnki.1004-4388.2019.04.007]
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奥连特盆地M油田海绿石砂岩低阻油层识别方法()
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《油气井测试》[ISSN:1006-6977/CN:12-1485/TE]

卷:
28
期数:
2019年04期
页码:
38-44
栏目:
出版日期:
2019-08-25

文章信息/Info

Title:
 Glauconite sandstone lowresistivity oil reservoir identification in M Oilfield of Oriente basin
文章编号:
1004-4388(2019)04-0038-07
作者:
 林士尧1; 张超前2; 万学鹏1; 孟征2; 张克鑫2
 1.中油国际（厄瓜多尔）安第斯公司开发部 厄瓜多尔 170515
2.中国石油勘探开发研究院美洲研究所 北京 100083
Author(s):
 LIN Shiyao1;  ZHANG Chaoqian2;  WAN Xuepeng1;  MENG Zheng2;  ZHANG Kexin2
 1.China Oil International (Ecuador) Andean Development Department, Ecuador 170515， China
2.Institute of American Studies, PetroChina Petroleum Exploration and Development Research Institute, Beijing 100083, China
关键词:
 ; 海绿石砂岩;  低阻油层;  混合骨架密度;  测井解释;  老井挖潜;  含油饱和度;  孔隙度
Keywords:
 ; 

Glauconite sandstone;  lowresistivity oil reservoir;  mixed skeleton density;  well logging interpretation;  old

well potential tapping;  oil saturation;  porosity

分类号:
TE135
DOI:
10.19680/j.cnki.1004-4388.2019.04.007
文献标志码:
A
摘要:
 

白垩系Napo组UT层内部的海绿石矿物铁元素含量较高，常规密度曲线评价孔隙度和应用阿奇公式计算储层含油饱和度等方法难以有效评价该套

含海绿石砂岩低阻油层的含油性，导致长期以来该套储层含油性无法被正确认识。以岩芯分析所得海绿石含量为标定基础，通过多种测井曲线交汇对比，提出以密度和

中子孔隙度曲线拟合计算海绿石含量的方法。应用计算所得海绿石含量拟合砂岩储层混合骨架密度，计算获得可靠的储层孔隙度。在此基础之上，可应用阿奇公式计算

出该储层的准确含油饱和度。本方法应用于厄瓜多尔奥连特盆地M油田的老井挖潜中，完成了20口井测井解释复查，发现9口井具有生产潜力，实施换层作业后全部获得

成功，印证了该方法的普遍适用性。

Abstract:
 

The glauconite mineral in the UT Layer shows a relatively high iron content in the Cretaceous Napo Formation. The

porosity evaluation using conventional density curve and the oil saturation calculation using Archie formula are limited to effectively evaluate

this glauconite sandstone lowresistance oil reservoir. As a result, the reservoir oiliness cannot be accurately identified for a long period.

Based on the calibration with the glauconite content of core test, a glauconite content calculation method with density and neutron porosity curve

fitting was proposed through multiple logging curve intersection and comparison. The calculated glauconite content was taken to fit the mixed

skeleton density of sandstone reservoir and gain reliable reservoir porosity. Then the Archie formula can be used to calculate the exact reservoir

oil saturation. It was applied to the old well potential tapping of M Oilfield in Oriente basin of Ecuador. 20well logging data were re

evaluated and 9 wells were found to have production potential. A better production performance has been gained for all the 9 wells after layer

adjustment, which indicates a favorable applicability.

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备注/Memo

备注/Memo:
 2019-04-29收稿，2019-06-12修回，2019-06-20接受，2019-08-20 网络版发表

林士尧，男，1988年出生，硕士研究生，工程师，2013年毕业于中国石油大学（北京）油气田开发工程专业，现工作于

中油国际（厄瓜多尔）安第斯公司从事油田开发研究工作。电话：010-83593148，15611076354；Email：linshiyao@cnpcint.com。通信地址：北京市海淀区学院路20

号院勘探开发研究院美洲研究所，邮政编码：100083。

更新日期/Last Update: 2019-09-03