| 古城7井工程钻井设计优化与钻井实践 |
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| 引用本文： | 李文明,李欢欢,李义.古城7井工程钻井设计优化与钻井实践[J].探矿工程,2013,40(10):23-28. |
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| 作者姓名： | 李文明 李欢欢 李义 |
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| 作者单位： | [1]大庆钻探工程公司钻井工程技术研究院设计中心,黑龙江大庆163413 [2]大庆油田第六采油厂,黑龙江大庆163114 |
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| 摘 要： | 古城7井是大庆油田塔东区块的首钻井，为了增加钻井成功率以及缩短钻井周期和钻井成本，在工程设计中的井身结构、钻具组合、钻头优选和扭力冲击器配合PDC钻头使用上，进行了大量的计算、统计分析和筛选，在实钻中钻速得到了大幅提高，平均机械钻速为4．68m／h，比古城6井平均机械钻速3．01m／h提高了55．48％，钻井周期大幅缩短，完钻周期为152．44d，按同开次同井深与古城6井相比，缩短了86．8d。实践证明，古称7井工程设计符合塔东区块的地质情况，能够大幅地提高钻速，缩短周期和钻井成本，为加快勘探开发步伐打下了坚实的基础。
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| 关 键 词： | 扭力冲击器 井身结构 钻具组合 PDC钻头 |
| 收稿时间： | 2013/5/23 0:00:00 |
| 修稿时间： | 2013/5/23 0:00:00 |
Design Optimization of Engineering Drilling for Well Gucheng-7 and the Drilling Practice |
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| LI Wen-ming,LI Huan-huan and LI Yi.Design Optimization of Engineering Drilling for Well Gucheng-7 and the Drilling Practice[J].Exploration Engineering(Drilling & Tunneling),2013,40(10):23-28. |
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| Authors: | LI Wen-ming LI Huan-huan and LI Yi |
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| Institution: | 1. Drilling Engineering Technology Research Institute of Daqing Drilling ＆ Exploration Engineering Corporation, Daqing Heilongjiang 163413, China; 2. No. 6 Oil Production Company of Daqing Oil, Daqing Heilongjiang 163114, China) |
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| Abstract: | Well Gucheng- 7 is the first drilling well in Tadong block of Daqing oilfield. To increase the success rate of drilling, shorten drilling period and reduce drilling cost, a lot of calculation, statistical analysis and screening were made on the designs of well structure, BHA, bit optimization and the application of torsion impact apparatus in combination with PDC bits, the real drilling speed was greatly improved. The average penetration rate was 4. 68m/h, 55.48% higher than that in well Gucheng-6 of 3.01m/h; drilling cycle is 152. 44d, 86. 8d less than well Gucheng- 6. The practice shows that the design of well Gucheng -7 is consistent with the geological conditions in Tadong block with large improvement of drilling speed, short drilling period and low drilling cost. |
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| Keywords: | torsion impact apparatus well structure BHA PDC bit |
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