PDC 钻头防涡技术在砾岩地层中的应用

付建民; 韩雪银; 孙晓飞; 和鹏飞; 张晓广

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PDC 钻头防涡技术在砾岩地层中的应用

付建民, 韩雪银, 孙晓飞, 和鹏飞, 张晓广

文章导航 > 石油钻采工艺 > 2012 > 34(增刊): 5-8

付建民, 韩雪银, 孙晓飞, 和鹏飞, 张晓广. PDC 钻头防涡技术在砾岩地层中的应用[J]. 石油钻采工艺, 2012, 34(增刊): 5-8.

引用本文:

付建民, 韩雪银, 孙晓飞, 和鹏飞, 张晓广. PDC 钻头防涡技术在砾岩地层中的应用[J]. 石油钻采工艺, 2012, 34(增刊): 5-8.

FU Jianmin, HAN Xueyin, SUN Xiaofei, HE Pengfei, ZHANG Xiaoguang. Application of anti-whirl technique for PDC bit to drillthrough conglomerate layer[J]. Oil Drilling & Production Technology, 2012, 34(增刊): 5-8.

Citation:

FU Jianmin, HAN Xueyin, SUN Xiaofei, HE Pengfei, ZHANG Xiaoguang. Application of anti-whirl technique for PDC bit to drillthrough conglomerate layer[J]. Oil Drilling & Production Technology, 2012, 34(增刊): 5-8.

PDC 钻头防涡技术在砾岩地层中的应用

1.
中海石油中国天津分公司，天津塘沽　300452
2.
中海石油能源发展监督监理技术分公司，天津塘沽　300452

详细信息

中图分类号: TE24

Application of anti-whirl technique for PDC bit to drillthrough conglomerate layer

1.
Tianjin Branch of CNOOC China Limited, Tianjin 300452, China
2.
CNOOC Energy Technology &

摘要: 为解决PDC 钻头不适于砾岩钻进的难题，现场对出井钻头进行分析，结合井下运动状态，得出PDC 钻头失效的主要原因是涡动作用的影响。涡动造成钻头井下运动失稳，使齿刃及复合片部位受到剧烈、不规则的载荷冲击，最终导致PDC 钻头在砾岩层段钻进时过早失效。针对此情况，从设计理念及现场使用两方面进行探索改进，最终得到一套切实可行的PDC 钻头防涡钻砾岩技术——在保持PDC 钻头快速切削性能的基础上，通过提高钻头的平衡性、稳定性，采用合理的钻井参数和控制井眼扩大率等手段，有效预防PDC 钻头在砾岩段的涡动形成，成功解决PDC 钻头钻砾岩难题，大幅度地提高了钻井时效。
- PDC 钻头 /
- 涡动 /
- 力平衡 /
- 稳定性 /
- 钻井参数
Abstract: In order to solve problem of the PDC bit for drilling in conglomerate, according to on-site analysis of the bit out of well, and combining with underground operating performance, we found out that the main reason of PDC bit ineffectiveness is whirling function. Whirling caused the operating unbalance of the bit underground in the well, it made that the tooth and composite sheet parts getting rough and irregular load impact, and finally this led to a too early ineffectiveness of the bit while drilling into the conglomerate layer. In view of this situation, the paper improves the technology by exploration from two aspects, the design concept and on-site utility, and at the end we get a set of feasible PDC bit drilling technology of anti-whirl through conglomerate layer --- on the basis in maintaining rapid cutting performance of PDC bit, by improving the balancing performance and stability, we take measures such as reasonable drilling parameters and control of hole enlargement ratio, etc., this technology prevents the whirling formation of PDC bit in conglomerate layer effectively, and solves the problem of PDC bit drilling through conglomerate successfully, and improves the drilling effectiveness by a large margin.
- PDC bit /
- whirl /
- force balance /
- stability /
- drilling parameters

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PDC 钻头防涡技术在砾岩地层中的应用

1. 中海石油中国天津分公司，天津塘沽　300452

2. 中海石油能源发展监督监理技术分公司，天津塘沽　300452

收稿日期: 2019-05-14
修回日期: 2019-05-14
刊出日期: 2013-01-23

中图分类号: TE24

关键词:

PDC 钻头 /

涡动 /

力平衡 /

稳定性 /

钻井参数

摘要: 为解决PDC 钻头不适于砾岩钻进的难题，现场对出井钻头进行分析，结合井下运动状态，得出PDC 钻头失效的主要原因是涡动作用的影响。涡动造成钻头井下运动失稳，使齿刃及复合片部位受到剧烈、不规则的载荷冲击，最终导致PDC 钻头在砾岩层段钻进时过早失效。针对此情况，从设计理念及现场使用两方面进行探索改进，最终得到一套切实可行的PDC 钻头防涡钻砾岩技术——在保持PDC 钻头快速切削性能的基础上，通过提高钻头的平衡性、稳定性，采用合理的钻井参数和控制井眼扩大率等手段，有效预防PDC 钻头在砾岩段的涡动形成，成功解决PDC 钻头钻砾岩难题，大幅度地提高了钻井时效。

English Abstract

Application of anti-whirl technique for PDC bit to drillthrough conglomerate layer

1. Tianjin Branch of CNOOC China Limited, Tianjin 300452, China

2. CNOOC Energy Technology &

Received Date: 2019-05-14
Rev Recd Date: 2019-05-14
Publish Date: 2013-01-23

Keywords:

Abstract: In order to solve problem of the PDC bit for drilling in conglomerate, according to on-site analysis of the bit out of well, and combining with underground operating performance, we found out that the main reason of PDC bit ineffectiveness is whirling function. Whirling caused the operating unbalance of the bit underground in the well, it made that the tooth and composite sheet parts getting rough and irregular load impact, and finally this led to a too early ineffectiveness of the bit while drilling into the conglomerate layer. In view of this situation, the paper improves the technology by exploration from two aspects, the design concept and on-site utility, and at the end we get a set of feasible PDC bit drilling technology of anti-whirl through conglomerate layer --- on the basis in maintaining rapid cutting performance of PDC bit, by improving the balancing performance and stability, we take measures such as reasonable drilling parameters and control of hole enlargement ratio, etc., this technology prevents the whirling formation of PDC bit in conglomerate layer effectively, and solves the problem of PDC bit drilling through conglomerate successfully, and improves the drilling effectiveness by a large margin.

付建民, 韩雪银, 孙晓飞, 和鹏飞, 张晓广. PDC 钻头防涡技术在砾岩地层中的应用[J]. 石油钻采工艺, 2012, 34(增刊): 5-8.

引用本文:

付建民, 韩雪银, 孙晓飞, 和鹏飞, 张晓广. PDC 钻头防涡技术在砾岩地层中的应用[J]. 石油钻采工艺, 2012, 34(增刊): 5-8.

Citation: