{"title":"Dull bit grading and rock strength analysis key to bit selection","authors":"S. Tiwari","doi":"10.1016/0148-9062(95)93370-5","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":19415,"journal":{"name":"Oil & Gas Journal","volume":"1 1","pages":""},"PeriodicalIF":0.1000,"publicationDate":"1994-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0148-9062(95)93370-5","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Oil & Gas Journal","FirstCategoryId":"5","ListUrlMain":"https://doi.org/10.1016/0148-9062(95)93370-5","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}