FOAM DRILLING IN NATURAL GAS HYDRATE

被引:6
|
作者
Wei, Na [1 ]
Meng, Ying-Feng [1 ]
Li, Gao [1 ]
Guo, Ping [1 ]
Liu, An-Qi [2 ]
Xu, Tian [1 ]
Sun, Wan-Tong [1 ]
机构
[1] Southwest Petr Univ, Collaborat Innovat Ctr, State Key Lab Oil & Gas Geol & Explorat & Nat Gas, Chengdu, Peoples R China
[2] Chuan Qing Drilling Engn Co Ltd, Geol Explorat & Dev Inst, Chengdu, Peoples R China
来源
THERMAL SCIENCE | 2015年 / 19卷 / 04期
关键词
foam drilling; characteristic parameters; natural gas hydrate;
D O I
10.2298/TSCI1504403W
中图分类号
O414.1 [热力学];
学科分类号
摘要
The key problem of foam drilling in natural gas hydrate is prediction of characteristic parameters of bottom hole. The simulation Shows that when the well depth increases, the foam mass number reduces and the pressure increases. At the same depth, pressure in drill string is always higher than annulus. The research findings provide theoretical basis for safety control.
引用
收藏
页码:1403 / 1405
页数:3
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