TY  - SER
AU  - Huerta,Carlos
TI  - NOV rig census shows global rig market entering expansion cycle
PY  - 2018///
CY  - 
PB  - 
N1  - Onshore, tightness of top-tier rigs will drive new rig orders, upgrades; offshore drilling growing modestly, but oversupply to sustain pressure on fleet utilization
ER  -