西南石油大学学报(自然科学版) ›› 1983, Vol. 5 ›› Issue (3): 17-31.DOI: 10.3863/j.issn.1000-2634.1983.03.002

• 石油与天然气工程 • Previous Articles     Next Articles

PENETRATION RATE INCREASEMENT WITH IMPROVED BOTTOM-HOLE FLOW FIELD

Drillinq Technoloqy Research secticn   

  • Received:1900-01-01 Revised:1900-01-01 Online:1983-08-20 Published:1983-08-20

Abstract: Analysis of a great many laboratory experiments and some field tests of more than thirty various configurations of nozzles indicates that improved hydraulic clearing system of jet bits and reasonable design of Bottom-hole flow field can increase penetration rate and decrease cost of drilling.