3)be used for water well, oil field, underground, construction, geothermal, oritented drilling
8)including drill rods,drill collar,rerun steel tooth bits, ,used drill bits stock,used mud pumps,etc
(3) IADC CODE
116 117 126 127 136 137 216 217 226 316 317 326 327 336 337 115 125 135 215 225 235 315 325 335 114 124 214 314 111 121 131 346 347
(4)Formation:
soft, medium soft , hard , medium hard , very hard formation.
(5)Application:
petroleum and gas ,water well , mining and tectonic industries, oil field, construction , geothermal, oriented frilling and underground foundation work .
(6) the size below or you can provide us
THE MAIN PRODUCT
