Onland rig hire rates down by 20% from last year Vol 13, PW 7 (10 Sep 09) Exploration & Production Established onland drilling contractors John Energy, Dewanchand Ramsaran, Shiv Vani and others are suffering declining revenues because rig hire rates are down by up to 20% from last year.... Buy this article forRs590 $9For a 30-article or annual subscription rates click here Data not available in ...