Drilling on a rig is essentially drilling into the earths surface whether onshore or offshore to harvest oil and gas. Drilling jobs on a rig can be either at an onshore oilfield, or offshore. There is a hierarchy for jobs on an oil rig. The entry level jobs are commonly known as Roughnecks or Roustabouts, the more skilled positions are the Motorman, and Derrickhand, and the more senior supervisor positions are the Driller and Rig Manager (Toolpusher).
Here are the most common Drillng Job Descriptions on RigJobs.
Drilling jobs occur where there are the Oil & Gas resources, so these positions typically happen in the Oil Fields or on Offshore Rigs. Here are the most common locations for Oil & Gas Drilling Jobs on RigJobs.