Design and Analysis on Finite Element of New Type DTH Hammer Drilling with Eccentric Simultaneous Casing

${author.authorNameEn}; ${author.authorNameEn}; ${author.authorNameEn}; ${author.authorNameEn}

doi:10.3969/j.issn.1672-7428.2009.12.010

2009 No. 12

Article Contents

Article navigation > DRILLING ENGINEERING > 2009 > (12): 33-36

Next Article Previous Article

Design and Analysis on Finite Element of New Type DTH Hammer Drilling with Eccentric Simultaneous Casing[J]. DRILLING ENGINEERING, 2009, (12): 33-36. doi: 10.3969/j.issn.1672-7428.2009.12.010

Citation:

Design and Analysis on Finite Element of New Type DTH Hammer Drilling with Eccentric Simultaneous Casing[J]. DRILLING ENGINEERING, 2009, (12): 33-36. doi: 10.3969/j.issn.1672-7428.2009.12.010