introduce product:34" iadc 637 hdd rock reamer bit/hole opener
Applicable formations:medium hard with high compressive strength and high abrasivemess,such as limestone,dolomite,sandstone and chert,etc.
1.The first stage is to drill a small diameter pilot hole.
2.The second stage is to enlarge the hole with a larger diameter cutting tool called an HDD Reamers, Rock Reamer or Hole Opener.
3.The thirdstage is inserting the casing pipe or other product into the enlarged hole.
date_rangeOct 27' 2018 / China
date_rangeOct 25' 2018 / China
date_rangeOct 24' 2018 / China
date_rangeOct 22' 2018 / China