石油勘探与开发 >

2021 , Vol. 48 >Issue 2: 386 - 393

DOI: https://doi.org/10.11698/PED.2021.02.15

石油工程

地层抗钻能力相似性评价及钻头选型新方法

  • 闫铁 ,
  • 许瑞 ,
  • 孙文峰 ,
  • 刘维凯 ,
  • 侯兆凯 ,
  • 袁圆 ,
  • 邵阳
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  • 1.东北石油大学,黑龙江大庆 163318;
    2.大庆油田有限责任公司第一采油厂试验大队,黑龙江大庆 163000
闫铁（1957-）,男,黑龙江肇州人,东北石油大学教授,主要从事钻井岩石力学及油气井工艺理论方面的研究工作。地址：黑龙江省大庆市高新技术开发区学府街99号,东北石油大学石油工程学院,邮政编码：163318。E-mail: Yant@nepu.edu.cn

收稿日期: 2020-06-04

  修回日期: 2021-02-07

  网络出版日期: 2021-03-19

基金资助

国家科技重大专项“钻井工程一体化软件”（2016ZX05020-006）

收起

Similarity evaluation of stratum anti-drilling ability and a new method of drill bit selection

  • YAN Tie ,
  • XU Rui ,
  • SUN Wenfeng ,
  • LIU Weikai ,
  • HOU Zhaokai ,
  • YUAN Yuan ,
  • SHAO Yang
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  • 1. Northeast Petroleum University, Daqing 163318, China;
    2. Test Team of No.1 Oil Production Factory, Daqing Oilfield Limited Company, Daqing 163000, China

Received date: 2020-06-04

  Revised date: 2021-02-07

  Online published: 2021-03-19

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摘要

综合考虑地层岩石抗钻特性、钻头工作条件、钻头使用效果及钻头经济效益,利用灰色关联分析理论对地层抗钻能力相似性进行评价,筛选出具有参考价值的备选钻头,然后通过构造绝对理想解、改变相对距离度量方法和引入熵权建立钻头综合性能评价新模型,进而计算备选钻头与理想钻头的贴近度并确定合理的钻头选型。研究表明,通过绝对理想解的构造、相对距离度量方法的改进及熵权的引入可以克服逼近理想解排序法（TOPSIS）无法绝对排序、存在逆序现象及权重设定不合理的固有缺陷,且计算简便、易于理解,对采用动态变化钻头数据库进行钻头选型具有很好的适应性;现场应用证明,采用钻头选型新方法优选出的钻头,在实际钻进中平均机械钻速大幅提高,钻头磨损率较低,与钻遇地层具有良好的配伍性,可作为油田优选高效、长寿及具有较好经济性钻头的技术手段。图7表2参27

关键词： 钻头选型; 地层抗钻能力; 灰色关联理论; 绝对理想解; 相对距离度量方法; 熵权; 钻头综合性能

本文引用格式

闫铁 , 许瑞 , 孙文峰 , 刘维凯 , 侯兆凯 , 袁圆 , 邵阳 . 地层抗钻能力相似性评价及钻头选型新方法[J]. 石油勘探与开发, 2021 , 48(2) : 386 -393 . DOI: 10.11698/PED.2021.02.15

Abstract

Considering the stratum anti-drilling ability, drill bit working conditions, drill bit application effect and drill bit economic benefits, the similarity of stratum anti-drilling ability was evaluated by grey relational analysis theory to screen out candidate drill bits with reference values. A new comprehensive performance evaluation model of drill bit was established by constructing the absolute ideal solution, changing the relative distance measurement method, and introducing entropy weight to work out the closeness between the candidate drill bits and ideal drill bits and select the reasonable drill bit. Through the construction of absolute ideal solution, improvement of relative distance measurement method and introduction of entropy weight, the inherent defects of TOPSIS decision analysis method, such as non-absolute order, reverse order and unreasonable weight setting, can be overcome. Simple in calculation and easy to understand, the new bit selection method has good adaptability to drill bit selection using dynamic change drill bit database. Field application has proved that the drill bits selected by the new drill bit selection method had significant increase in average rate of penetration, low wear rate, and good compatibility with the drilled formations in actual drilling. This new method of drill bit selection can be used as a technical means to select drill bits with high efficiency, long life and good economics in oilfields.

Key words： drill bit selection; stratum anti-drilling ability; grey relational analysis; absolutely ideal solution; relative distance measurement method; entropy weight; comprehensive performance of drill bit

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