屯1井差应变分析法地应力测量

白金朋; 彭华; 郑哲夏; 刘崇; 马秀敏; 姜景捷; 李振

屯1井差应变分析法地应力测量

白金朋^{1, 2, 3,},
彭华^{1, 2, 3},
郑哲夏⁴,
刘崇⁵,
马秀敏^{1, 2, 3},
姜景捷^{1, 2, 3},
李振^{1, 2, 3}

1.
中国地质科学院地质力学研究所, 北京 100081
2.
国土资源部新构造运动与地质灾害重点实验室, 北京 100081
3.
中国地质科学院地应力测量与监测重点实验室, 北京 100081
4.
中国地质大学能源学院, 北京 100083
5.
中国石化河南油田分公司工程技术研究院, 南阳 473132

基金项目:

国家海洋地质保障工程项目 GZH201200504

详细信息

作者简介:
白金朋(1987-), 男, 硕士研究生。E-mail:baijinpeng1987@yeah.net

中图分类号: TU459⁺.4
计量
- 文章访问数: 224
- HTML全文浏览量: 171
- PDF下载量: 35
- 被引次数: 0
出版历程
- 收稿日期: 2013-01-23
- 刊出日期: 2013-06-28

IN-SITU STRESS MEASUREMENT BY DIFFERENTIAL STRAIN ANALYSIS METHOD IN THE WELL TUN-1

BAI Jin-peng^{1, 2, 3
,},
PENG Hua^{1, 2, 3},
ZHENG Zhe-xia⁴,
LIU Chong⁵,
MA Xiu-min^{1, 2, 3},
JIANG Jing-jie^{1, 2, 3},
LI Zhen^{1, 2, 3}

1.
Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China
2.
Key Lab of Neotectonic Movement and Geohazards, Ministry of Land and Resources, Beijing 100081, China
3.
In-situ Stress Measurement and Monitoring Key Laboratory, Chinese Academy of Geological Sciences, Beijing 100081, China
4.
Energy Resources College, China University of Geosciences, Beijing 100083, China
5.
Engineering and Technology Research Institute, Sinopec Henan Oilfield Branch Company, Nanyang 473132, China

摘要

摘要: 介绍了差应变分析法（DSA）原地应力测量技术原理，并采用此法对河南省洛阳-伊川盆地屯1井岩样进行了测试，结果显示该井1153.4~1167.8 m处最大水平主应力为北西向（141°-157°），与钻孔崩落椭圆长轴方位统计得到的最大水平主应力方向一致；最大水平应力数值小于铅直应力，属于正断层应力状态；主应力随深度线性增大。对该区域注采井网布局给出了建议，即本区注采井网布设应避免与141°-157°方向平行。
- 地应力测量 /
- 差应变分析法 /
- 屯1井 /
- 注采井网布局
Abstract: The principle method of the Differential Strain Analysis technique is briefly recommended. We tested the rock samples taken from the Well Tun-1 which was located in Luoyang-Yichuan basin in Henan Province. The results shows that the maximum horizontal principal stress is NW orientation (141°-157°) in the well of 1153.4~1167.8 m, which is consistent with the maximum horizontal principal stress orientation of the drill collapsing ellipse macro axis. Its value is less than vertical stress, and belongs to normal fault stress. The principal stress increases with depth linearity. Advice for the injection-production well pattern in this area is given, that is the pattern shall not parallel to 141°-157° orientation.
- stress measurement /
- Differential Strain Analysis /
- Well Tun-1 /
- injection-production well pattern

HTML全文

图 1 岩石静水压力-应变曲线

Figure 1. Strain curve of rock hydrostatic pressures

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图 2 应变片分布图

Figure 2. Distribution of strain gauge

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图 3 屯1井井孔位置及最大水平主应力方向

1—地名；2—井位；3—最大水平主应力方位；4—断层；5—构造单元边界；6—凹陷；7—凸起

Figure 3. Position of the Well Tun-1 and its maximum horizontal principal stress orientation

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图 4 钻孔应力赤平投影图

□—最大主应力投影；△—中间主应力投影；○—最小主应力投影

Figure 4. Stereographic projection of principal stress in the drill hole

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图 5 声波测井成像图像

Figure 5. Image of sonic imaging logging of the Well Tun-1

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图 6 屯1井钻孔崩落确定的地应力方向（钻孔1154~2000 m深度段统计）

1—钻孔崩落椭圆确定最大水平主应力方向；2—DSA法得到的最大水平主应力方向

Figure 6. In-situ stress direction of the Well Tun-1 based on borehole breakouts data

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表 1 屯1井DSA试件深度及岩性

Table 1. Depth and lithology of test specimen from the Well Tun-1

表 2 屯1井DSA地应力测量结果

Table 2. In-situ stress values from the Well Tun-1 measured by DSA

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