| 强抑制性聚合物钻井液在二22井提高钻井速度中的应用 |
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| 引用本文： | 李晓阳,陈忠实,张光四,陈怀高,王勇,谭宾,胡铸.强抑制性聚合物钻井液在二22井提高钻井速度中的应用[J].天然气工业,2005,25(12):51-53. |
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| 作者姓名： | 李晓阳 陈忠实 张光四 陈怀高 王勇 谭宾 胡铸 |
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| 作者单位： | 1.四川石油管理局；2.四川石油管理局川东钻探公司 |
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| 基金项目： | 本文系四川石油管理局钻井大提速工程的钻井液技术研究项目. |
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| 摘 要： | 针对川南二里场构造Φ311.2 mm井眼垮塌严重，以往均采用提高钻井液密度来维持井壁稳定，严重制约了钻井速度的提高。为此，介绍了研究和实施三强聚合物钻井液在该井段的应用情况。实钻表明，该钻井液极大地延长了无固相钻井液的使用时间和井段，低固相钻井液密度也得到了有效控制，从而较好地解决了井壁稳定和钻井液密度的矛盾，显著地提高了钻井速度。
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| 关 键 词： | 四川盆地 南 钻井液 抑制性 聚合物 井塌 密度 钻井速度 |
| 收稿时间： | 2005-08-19 |
| 修稿时间： | 2005年8月19日 |
APPLICATION OF POLYMER DRILLING FLUID WITH STRONG INHIBITION TO IMPROVE PENETRATION RATE1) |
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| Li Xiaoyang,Chen Zhongshi,Zhang Guangsi,Chen huaigao,Wang Yong,Tan Bin,Hu Zhu.APPLICATION OF POLYMER DRILLING FLUID WITH STRONG INHIBITION TO IMPROVE PENETRATION RATE1)[J].Natural Gas Industry,2005,25(12):51-53. |
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| Authors: | Li Xiaoyang Chen Zhongshi Zhang Guangsi Chen huaigao Wang Yong Tan Bin Hu Zhu |
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| Affiliation: | 1.Sichuan Petroleum Administration; 2.East Sichuan Drilling Com. of Sichuan Petroleum Administration |
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| Abstract: | Aiming at the situation of severe collapse for Φ311.2 mm borehole in Erlichang structure, it was used to increase the density of drilling fluids to keep the stability of the bore walls in the past, which seriously restricts the penetration rate improving. The article introduces the study and application of the polymer drilling fluid with strong inhibition in the well section. The real drilling cases show the drilling fluid largely extends the time and section using the drilling fluid without solid phase. And the density of the drilling fluid with low solid phase is controlled effectively. So the contradiction between the stability of bore walls and the density of drilling fluids is solved well, and the penetration rate is improved obviously. |
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| Keywords: | Sichuan Southern Drilling fluid Inhibition Polymer Collapse of bore walls Density Penetration rate |
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