| 滇中震旦系碳酸盐岩破碎地层的钻探护孔新技术 |
| |
| 引用本文： | 毛毓坤.滇中震旦系碳酸盐岩破碎地层的钻探护孔新技术[J].玉溪师范学院学报,2003,19(Z1):69-71. |
| |
| 作者姓名： | 毛毓坤 |
| |
| 作者单位： | 云南国土建设工程公司玉溪分公司,云南,玉溪,653100 |
| |
| 摘 要： | 滇中磷矿主要产于寒武系灯影组上部中谊村段(Z∈Z)中,其顶、底与灯影组白云岩均为整合关系.灯影组的主要岩性为白云岩、白云质灰岩、泥质白云岩、白云石化灰岩.由于白云岩的菱形解理特性,决定了白云岩层易于破碎.加之岩石风化较深,普遍存在岩石胶结性差、结构酥松、破碎强度低、节理裂隙发育等特点,这使得钻探施工异常困难,往往在井眼形成后,由于受外力的作用井壁极易坍塌.因此,在钻探施工中,怎样搞好钻孔护壁工作,护理好已形成的井眼显得极为重要.而应用以PAM溶液、PH P-CMC胶联液、膨润土泥浆为主体,以套管为辅的综合护孔技术,对解决磷矿破碎地层中钻进所遇到的护孔难题可收到显著的效果.
|
| 关 键 词： | 滇中磷矿 破碎地层 护孔技术 |
| 文章编号： | 1009-9506(2003)增刊-0069-03 |
| 修稿时间： | 2003年8月21日 |
New Means Of PrOtecting Hole In Drilling, In Broken Terrane Of Sinian System Carbonatite From Central Of Yunnan Province |
| |
| MAO Yu-kun.New Means Of PrOtecting Hole In Drilling, In Broken Terrane Of Sinian System Carbonatite From Central Of Yunnan Province[J].Journal of Yuxi Teachers' College,2003,19(Z1):69-71. |
| |
| Authors: | MAO Yu-kun |
| |
| Abstract: | Drilling in broken terrane,efficacious protecting hole technology is important mecans that avoids acciden in hole. Besids it is precondition that finishes economic and technoIogic criterion in driIIing. In this paper, we expatiate the new means and way of protecting hoIe, which |
| |
| Keywords: | Broken terrane Protecting hoIe technoIogy |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
