STUDY ON THE UNDERBALANCED DRILLING TECHNOLOGY AND ITS APPLICATION IN THE IGNEOUS RESERVOIR IN NIUDONG BLOCK

Xinjiang Oil & Gas ›› 2008, Vol. 4 ›› Issue (3): 42-44.

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STUDY ON THE UNDERBALANCED DRILLING TECHNOLOGY AND ITS APPLICATION IN THE IGNEOUS RESERVOIR IN NIUDONG BLOCK

Online:2008-09-10 Published:2008-09-10

欠平衡复合钻井技术在牛东火成岩地层的研究与应用

王建毅, 赵前进, 李建忠

西部钻探公司吐哈钻井工艺研究院
吐哈油田公司工程技术研究院,新疆,838202

Abstract

摘要： 三塘湖油田牛东区块存在常规钻井中火成岩储层可钻性差、不能有效保护储层,进而影响开发效果等问题.针对此问题本文对钻头个性化设计、钻井参数等相关工艺技术研究的基础上,在牛东8-12、8-10等10口井采用了"φ152.4mmPDC钻头+螺杆"的欠平衡复合钻井技术现场试验,使牛东区块储层段平均机械钻速从1.50m/h提升到了3.75m/h,原油产量实现了千吨突破,取得了提高火成岩地层机械钻速和提高单井产量的双重效果,为提高火成岩储层的开发效果提供了一条有效的途径.

关键词: 牛东区块, 火成岩, 欠平衡复合钻井, 个性化PDC钻头, 机械钻速

CLC Number:

TE249

王建毅, 赵前进, 李建忠. 欠平衡复合钻井技术在牛东火成岩地层的研究与应用[J]. 新疆石油天然气, 2008, 4(3): 42-44.

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STUDY ON THE UNDERBALANCED DRILLING TECHNOLOGY AND ITS APPLICATION IN THE IGNEOUS RESERVOIR IN NIUDONG BLOCK

欠平衡复合钻井技术在牛东火成岩地层的研究与应用

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