World Rig Count is at a current level of 1621.25, up from 1599.50 last month and down from 1713.00 one year ago. This is a change of 1.36% from last month and -5.36% from one year ago. View monthly updates and historical trends for World Rig Count. Source: Baker Hughes.
[pdf] This article lists the main components of a petroleum onshore drilling rig. Offshore drilling rigs have similar elements, but are configured with a number of different drilling systems to suit drilling in the marine environment. The equipment associated with a rig is to some extent dependent on the type of rig but. .
1. 2. 3. (mud pump)4. 5. .
• (#22) is a section of large diameter pipe fitted to the top of the that the attaches to via a side outlet, to allow the to flow back to the .• (BOPs) (#23 and #24) are devices.
[pdf] Located near Sakhalin Island off the Pacific coast of Russia, the Berkut Oil rig is the largest in the world. Weighing approximately 200,000 tons, this engineering marvel sits 35 meters below the seafloor and has an estimated maximum oil extraction capacity of 4.5 million tons annually.
[pdf] 
