US Rig Count is at a current level of 537.00, up from 536.00 last week and down from 583.00 one year ago. This is a change of 0.19% from last week and -7.89% from one year ago. US Rig Count, displays the number of active drilling rigs throughout the United States.
[pdf] The drawworks on a drilling system consists of a large winch drum, brakes and a power source. It raises and lowers the drilling line as required, often to support the installation of piping as the borehole deepens.
[pdf] Before starting casing, the drilling supervisor should hold a pre-job safety meeting and confirm the following with the crew: 1. Remove unnecessary tools. 2. Good Housekeeping before the job 3. Rig up Casing handling equipment: Using appropriate hand. .
A circulation sub, fitting the casing thread, equipped with a WECO connection, shall be readily available on the rig floor at all times during casing running.
[pdf] 
