| 港深78井钻井液技术 |
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| 引用本文： | 杨庆国,霍仰春,孙秀军.港深78井钻井液技术[J].西安石油大学学报(自然科学版),2001,16(6):39-40. |
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| 作者姓名： | 杨庆国 霍仰春 孙秀军 |
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| 作者单位： | 大港油田钻井泥浆公司 |
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| 摘 要： | 详细讨论了大港油田浅海的重点预探井——港深 78井的钻井液技术。为了勘探大港油田浅海油气储藏情况 ,港深 78井完钻井深 446 0 m.为抑制地层造浆、井壁易坍塌等问题 ,上部地层采用了海水聚合物钻井液体系 ,下部地层选用了 KCl海水聚合物钻井液体系 .现场应用表明 :KCl海水聚合物钻井液体系抑制能力和防塌能力强 ,同时具有较强的抗温性、润滑性 ,满足了港深 78井钻井施工的要求 ,在 442 0 m试油 ,获日产 5 4 2 .5 8m3原油和 9.0 5× 1 0 4 m3天然气
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| 关 键 词： | 聚合物钻井液 钻井液性能 效果评价 井壁稳定 井眼净化 油层保护 |
| 文章编号： | 1001-5361(2001)06-0039-02 |
| 修稿时间： | 2001年2月2日 |
Drilling Fluid Used for Gangshen-78 Well |
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| YANG Qing guo,HUO Yang chun,SUN Xiu jun.Drilling Fluid Used for Gangshen-78 Well[J].Journal of Xian Shiyou University,2001,16(6):39-40. |
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| Authors: | YANG Qing guo HUO Yang chun SUN Xiu jun |
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| Abstract: | Gangshen 78 well is an important wildcat well in shallow sea area of Dagang Oil Field. A special drilling fluid is developed for it in order to suit its formation and to prevent wall sloughing. Sea water polymer drilling fluid system is used in drilling upper formation, and KCl sea water polymer drilling fluid system is used in drilling down formation. It is shown that KCl sea water polymer drilling fluid system can meet the needs of preventing wall sloughing, and it has also good inhibitive property, suitability to temperature and lubricity. When it is drilled to 4420m, the well obtains the crude of 542.58m 3/d and the gas of 9.05×10 4m 3/d. |
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| Keywords: | polymer drilling fluid property of drilling fluid evaluation of result wall stability borehole cleaning protection of reservoir |
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