Eccentric Casing System (ODEX) Three Pieces
Eccentric Casing System (ODEX) Three Pieces

 

 

Application Range

        It is suitable for drilling water wells,geothermal wells, short mircopiles medium mini-type grouting hole of building, dam and harbour project.

 

 

Design Principles

 

 

    Make the casing follow easy and the equipment and operation simple  

 

 

Outstanding Advantages

 

 

   Simple structure,simple operation，reliable quality,retrievable drilling tools,long service life.

 

 

 

 

 

 

 

 Main specifications:

 

A B C D E F
Outer Dia.of Casing Tube Inner Dia.of Casing Tube Reamed Dia. Min.Inner Dia of Casing Shoe     Hammer      Type      Drill       Pipes      
mm mm mm mm mm
108 93-99 118 86 TH79 76
114 101-103 127 91 TH79 76
127 114-116 136 101 TH79 76
140 124-127 152 117 TH98 76
146 127-132 154 117 TH98 76
168 149-155 184 140 TH122 76,89
178 159-165 194 150 TH122     76,89   
193 173-180 206 166 TH139 89,114
219 199-206 234 193 TH139,TH180 89,114
245 224-231 260 210 TH180,TH220 114
273 251-257 300 241 TH180 114,127

 Order Guide:A+B+C+D+E