A flow experiment of circulative micro-foam drilling fluid in a pipe under HTHP condition

被引：0
|
作者：
Zhang, ZH [1 ]
Sun, YD [1 ]
Zhang, XB [1 ]
机构：
[1] Engn & Technol Res Inst Liaohe Oil Field, Panjin Liaoning 124114, Peoples R China
来源：
MULTIPHASE, NON-NEWTONIAN AND REACTING FLOWS, VOL 2, PROCEEDINGS | 2004年
关键词：
micro-foam drilling fluid; density; HTHP; rheology;
D O I：
暂无
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A HTHP flow experiment facility is conducted to study the density variable rule, the gas-liquid ratio and actual expanding capacity in the bottom hole of micro-foam drilling fluid, the results are presented in this paper. The density of micro-foam drilling fluid is increased when pressure is increased, and decreased when temperature is increased, but the influence of pressure is greater than the influence of temperature. When the drilling fluid is flowing through the nozzle of the bit, the density is decreased, the diameter of the foam is smaller than ever before. The gas-liquid ratio is decreased when pressure is increased, and increased when temperature is increased.
引用
收藏
页码：325 / 327
页数：3
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