Dear sir, We are in requirement of portable Hyd. Drilling Rig for drilling in rock (quartazic metamorphic formation) on hill. We have only footway to site approach & no any road approach. Please suggest us the rig for the work. We are going to drill max. 30m depth in the strata. This strata is exposed rock over hill. We need drilling core for geological & geo physical test. Kindly send me your offer with detail technical specification & photograph of rig.