大庆深层钻井提速技术

李瑞营; 王峰; 陈绍云; 刘金玮

doi:10.11911/syztjs.201501007

大庆深层钻井提速技术

1.
中国石油大庆钻探工程公司钻井工程技术研究院, 黑龙江大庆 163413;
2.
中国石油大庆钻探工程公司国际事业部, 黑龙江大庆 163411

基金项目:

中国石油天然气股份公司重大科技专项"大庆探区非常规油气勘探开发关键技术研究与现场试验"(编号:2012E-2603-08)资助。

详细信息

作者简介:
李瑞营(1971-),男,黑龙江伊春人,1996年毕业于大庆石油学院油气钻井工程专业,2006年获大庆石油学院钻井工程专业硕士学位,高级工程师,从事钻井工程设计和相关管理工作。

中图分类号: TE242
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出版历程
- 收稿日期: 2014-07-27
- 刊出日期: 1899-12-31

ROP Improvement in Deep Formations in the Daqing Oilfield

1.
Drilling Engineering Technology Research Institute, CNPC Daqing Drilling & Exploration Engineering Corporation, Daqing, Heilongjiang, 163413, China;
2.
International Business Department, CNPC Daqing Drilling & Exploration Engineering Corporation, Daqing, Heilongjiang, 163411, China

摘要

摘要: 为提高大庆深层钻井速度,加快勘探开发进程,开展了大庆深层钻井提速技术研究。借鉴国内外深层提速技术成果,分开次、分层段制定了不同的提速对策,建立了大庆深层自上而下的钻井技术序列。二开井段优选应用T1951DB型、CK506型、CK606型等PDC钻头,全部实现PDC钻进,施工周期控制在25.00 d以内;三开井段分析对比了液动旋冲工具、涡轮钻具、气体钻井3种提速技术的现场试验效果,确定了气体钻井适用井段最短长度为900.00 m,液动旋冲提速工具适用于岩石可钻性级值小于7的井段,涡轮钻具主要用于岩石可钻性级值大于7的硬地层。大庆深层提速技术在19口井进行了应用,平均钻井周期缩短48.60 d。研究结果表明,大庆深层钻井技术序列的建立,解决了大庆深井钻井提速技术单一、集成应用少、整体提速效果不明显的问题。
- 深井钻井 /
- 涡轮钻具 /
- 气体钻井 /
- 大庆油田
Abstract: To improve the ROP in deep formations of the Daqing Oilfield in order to accelerate the exploration and development process, relevant techniques were reviewed with the gool of determining and ideal process.Based on available ROP improvement achievements for deep formations in China and abroad, different technical solutions were proposed for spudding in, and for drilling through different formations.Then, the drilling technique series from top to bottom were confirmed for the Daqing Oilfield’s deep formations.PDC bits (e.g.T1951DB, CK506 and CK606) were selected and applied for the 2nd spud formations, with the drilling time controlled within 25 d.By comparing the field test results of the three solutions (e.g. the hydraulic rotary impact tool, turbine drills and air drilling techniques), for the 3rd spud formations, it was confirmed that the gas drilling technique was applicable for intervals with shortest length of 900 m, the hydraulic rotary impact tool was applicable for the intervals with a drillability grade less than 7, and the turbine drills were applicable for the hard formations with drillability grade more than 7.The application of these techniques in 19 wells showed that the average drilling time was shortened by 48.60 d.The study results indicated establishing the drilling technique protocols addressed the previously indentified problem impeding ROP improvement in deep formations of the Daqing Oilfield, such as unitary technique tests, less integrated applications and unobvious overall effects of improvement.
- deep well drilling /
- turbodrill /
- gas drilling /
- Daqing Oilfield

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