Method for predicting rate of penetration using bit-specific coefficients of sliding friction and mechanical efficiency as a function of confined compressive strength
摘要
申请公布号
AU2005316731(B2)
申请公布日期
2012.01.12
申请号
AU20050316731
申请日期
2005.12.09
申请人
CHEVRON U.S.A. INC.
发明人
CAICEDO, HECTOR ULPIANO;EWY, RUSSELL THOMAS;CALHOUN, WILLIAM MALCOLM
