| 古地磁岩心定向及其在地应力测量上的应用 |
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| 引用本文： | 侯守信,田国荣.古地磁岩心定向及其在地应力测量上的应用[J].地质力学学报,1999,5(1):92-98. |
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| 作者姓名： | 侯守信 田国荣 |
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| 作者单位： | 石油勘探开发科学研究院廊坊分院,河北,廊坊,065007 |
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| 摘 要： | 在实验室，将需测试的一段岩心示上标志线，制备成古地磁测试和关工就变分析的标准试样，岩样经一定步骤的磁清洗，相应的磁性参数测量和数据处理，可恢复岩样在地下原始方位。用差应变分析（ＤＳＡ）法确定最大主应力相对标志线的方位，在古地磁测试结果结合，即可确定出该地区的最大主应力方向。
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| 关 键 词： | 古地磁 定向 磁清洗 差应变分析 |
| 收稿时间： | 1998/11/15 0:00:00 |
| 修稿时间： | 1998-11-15 |
PALAEOMAGNETIC ORIENTATION OF CORES AND ITS APPLICATIONS FOR INSITU STRESS MEASUREMENTS |
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| HOU Shouxin and TIAN Guorong.PALAEOMAGNETIC ORIENTATION OF CORES AND ITS APPLICATIONS FOR INSITU STRESS MEASUREMENTS[J].Journal of Geomechanics,1999,5(1):92-98. |
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| Authors: | HOU Shouxin and TIAN Guorong |
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| Institution: | Langfang Branch of Research Institute of Petroleum Exploration & Development, Guanghan Sichan 065007 and Langfang Branch of Research Institute of Petroleum Exploration & Development, Guanghan Sichan 065007 |
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| Abstract: | A core from a certain depth is marked with a master orientation line (MOL), and is made into standard samples, which are used in palaeomagnetic tests and differential strain analysis (DSA) in the laboratory. The original orientation of the core in the formation can be obtained by magnetic cleaning test, magnetic parameter measurement and data processing. Differential strain analysis (DSA) method, which is used to determine the direction of the maximum principle stress with respect to the master orientation line, is combined with the results of magnetic tests to define the direct of the maximum principle stress in the area. |
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| Keywords: | palaeomagnetism orientation magnetic cleaning Differential strain analysis (DSA) |
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