... for collecting, display, storing, printing and transfer of drilling parameters, and the function of multi-points monitoring ... the requirement for TDS installationBasic Parameter Of Varied Rigs Rig ModelZJ70DBSNominal drilling depth, 127mm(5)DP, m7000Max. hook load ... driveElectric control modeAC-DC-ACone to onepetroleum drilling petroleum drilling,ZJ70DBS for drilling,drilling rigs,land &offshore rig