| 伊朗SK500m探层试验孔钻探工艺 |
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| 引用本文：曾铁军.伊朗SK500m探层试验孔钻探工艺[J].钻探工程,1996,(6):42-44.. Drill Techniques Used in SK500m Formation Testing Hole of Iran[J]. Drilling Engineering, 1996,(6):42-44. |
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| 曾铁军 |
| 中国煤田地质总局１２９队 |
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| 中文摘要:在伊朗ＳＫ５００ｍ探层钻孔施工中，采用ＰＨＰ－ＣＭＣ凝胶低固相泥浆顶漏钻进覆盖层，以清水和金刚石单动双管取心钻具钻进试验段，进行压水试验后，再用ＰＨＰ－ＣＭＣ凝胶无固相冲洗液护壁钻进至终孔，并利用泵压注浆法加固孔壁，较好地解决了防斜、防卡、堵漏止涌以及取心困难等技术问题。 |
| 中文关键词:探层试验钻孔，组合钻具，双管取心器，PHP－CMC凝胶，泵压注浆 |
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| Drill Techniques Used in SK500m Formation Testing Hole of Iran |
| Zeng Tiejun |
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| Abstract:During drilling through the SK500m exploratory formation in iran,the PHP-CMC gel low-solid mud is used to drill the overburden against loss circulation,clean water and the double-tube swivel type diamond drilling tool used to drill the test interval and kill the water flow,and then the PHP-CMC gel non-solid fluid used for hole-wall protection to the final depth with the pump pressure grouting method to stabilize the hole walls. This results in better solutions to deviation,blockage,loss circulation and water ingression. |
| keywords:formation testing drill hole modular drilling tool double tube swivel type diamond drilling tool PHP-CMC gel fluid pump pressure grouting |
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