西南石油大学学报(自然科学版) ›› 1982, Vol. 4 ›› Issue (1): 37-44.DOI: 10.3863/j.issn.1000-2634.1982.01.004

• 论文 • 上一篇    下一篇

喷射钻井井底流场的试验研究(二)

钻井教研室   

  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1982-02-20 发布日期:1982-02-20

EXPERIMENTAL STUDY OF THE JET DRILLING BOTTOM-HOLE FLOW FIELD

Drilling Technology Teaching and Research Section   

  • Received:1900-01-01 Revised:1900-01-01 Online:1982-02-20 Published:1982-02-20

摘要: 采用贴线法和模拟岩屑进行井底流场的全尺寸模拟试验,表明在井底场相对稳定的位置将产生局部旋涡和局部回流现象,并导致钻头水力功率的损耗和岩屑的重复破碎。结合钻头牙齿的破岩原理及其井底模式的分析,认为改善井底流场是提高井底清岩效率的重要途径。

Key words: In this paper, we present a number of full-scale simulating exper, we have proved that in the relatively stable posit, which leads to loss of the hydraulic power and to