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| 引用本文： | 蒲晓林,李霜,李艳梅,罗兴树,徐绍成,罗健生.????????????????????о?[J].天然气工业,2005,25(5):47-49. |
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| 作者姓名： | 蒲晓林 李霜 李艳梅 罗兴树 徐绍成 罗健生 |
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| 作者单位： | 1.???????????2.?к???????????? |
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| 基金项目： | 中海油田“低密度微乳化泡沫钻井液研究与应用”项目(编号 JSKF2003YJ18)研究成果。~~ |
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| 摘 要： | 依据低密度和气泡变形堵塞理论，分析了微泡沫钻井液的防漏堵漏原理。采用砂石充填的模拟漏层实验方法，研究了无粘土相微泡沫钻井液防漏堵漏作用效果，结果表明，微泡沫钻井液对80～120目砂石构成的孔隙通道具有最好的堵漏效果，对40～80目砂石构成的孔隙通道具有良好堵漏效果，对10～40目砂石构成的孔隙通道具有一定的堵漏效果，而且，随着压力增加，微泡沫钻井液仍具有堵漏承压能力。
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| 关 键 词： | 微泡沫 水基 钻井液 防漏 堵漏 理论 实验室试验 |
| 修稿时间： | 2004年12月9日 |
EXPERIMENTAL RESEARCH OF THE LEAK RESISTANCE AND LOSS CIRCULATION CONTROL OF WATER-BASE MICROFOAM DRILLING FLUID |
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| Pu Xiaolin,Li Shuang,Li Yanmei,Luo Xingshu,Xu Shaocheng,Luo Jiansheng.EXPERIMENTAL RESEARCH OF THE LEAK RESISTANCE AND LOSS CIRCULATION CONTROL OF WATER-BASE MICROFOAM DRILLING FLUID[J].Natural Gas Industry,2005,25(5):47-49. |
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| Authors: | Pu Xiaolin Li Shuang Li Yanmei Luo Xingshu Xu Shaocheng Luo Jiansheng |
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| Affiliation: | 1. Southwest Petroleum Institute?? and 2. Oil Field Service Company?? CNOOC |
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| Abstract: | The principles of the leak resistance and los s circulation control of water-base microfoam drilling fluid are analyzed in th e paper according to the low-density and bubble deformation plugging theory. Th rough researching the effects of clay free microfoam drilling fluid on the leak resistance and loss circulation control by use of the analog leakage formation b eing filled up with different sizes of sand grains in the experiment, it was in dicated that the plugging effect of the mirofoam drilling fluid on the pore pass ages made up by the sand grains of 80-120 meshes is best, then the 40-80 meshes , and then the under 40 meshes. Moreover, along with the increase in pressure , the microfoam drilling fluid can still possess the plugging and loading capac ity. |
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| Keywords: | Drilling Microfoam Drilling fluid Loss Circulation control principle Experimental research |
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