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科技导报
|研究论文
2014
, 32
(2) :
34
-36
砂岩地层井壁稳定性分析
全屏
曹园, 蔚宝华, 邓金根, 闫传梁, 袁俊亮
作者信息
中国石油大学(北京)油气资源与探测国家重点实验室, 北京 102249
作者简介:
曹园，博士研究生，研究方向为岩石力学与井壁稳定，电子信箱：yuancao555@126.com
Wellbore Stability of Sandstone Formation
CAO Yuan, YU Baohua, DENG Jingen, YAN Chuanliang, YUAN Junliang
Affiliations
State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, China
出版时间: 2014-01-18
doi: 10.3981/j.issn.1000-7857.2014.2.005
文章导航
南海某油田深部地层砂岩存在因蠕变导致的缩径现象，有必要分析该油田砂岩地层蠕变性质，为砂岩地层安全钻井提供借鉴。使用某油田深部地层砂岩岩心进行室内蠕变实验，测定不同差应力下岩心蠕变率。使用西原模型拟合了实验结果，拟合精度较高，并计算了某油田砂岩缩径井段安全钻井周期。计算结果表明，提高钻井液密度可大幅提高安全钻井周期，也可采用定期起下钻、下套管封固缩径井段等工程措施阻止或减缓砂岩蠕变。
The creep happens in the deep sandstone formation of an oilfield in South China Sea. It is necessary to analyze the sandstone creep behavior to ensure the safety drilling in the field. Creep experiments were carried out with sandstone cores from the field, and creep rates under different differential stress were determined. The experimental data were treated by regression based on the Xiyuan model with a high regression accuracy. The creep rate of the oilfield sandstone based on the Xiyuan model shows that an improving drilling fluid density can greatly improve the safety drilling cycle. The regular tripping and casing and cementing shrinkage hole can also be used to prevent the sandstone creep.
wellbore stability
/
sandstone
/
creep
/
Xiyuan model
曹园, 蔚宝华, 邓金根, 闫传梁, 袁俊亮.
砂岩地层井壁稳定性分析.
科技导报,
2014
, 32
(2)
: 34
-36
.
DOI: 10.3981/j.issn.1000-7857.2014.2.005
CAO Yuan, YU Baohua, DENG Jingen, YAN Chuanliang, YUAN Junliang.
Wellbore Stability of Sandstone Formation[J].
Science & Technology Review ,
2014
, 32
(2)
: 34
-36
.
DOI: 10.3981/j.issn.1000-7857.2014.2.005
2014年第32卷第2期
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文章信息
doi: 10.3981/j.issn.1000-7857.2014.2.005
接收时间：2013-09-13
首发时间：2014-02-14
出版时间：2014-01-18
收稿日期：2013-09-13
修回日期：2013-11-27
https://castjournals.cast.org.cn/joweb/kjdb/CN/10.3981/j.issn.1000-7857.2014.2.005
引用本文
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2种不同金属材料的力学参数
科 属数 种数 占总种数比例 属 种数 占总种数比例 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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