Key features of this powerful rig include a 35-foot mast and a versatile 3-speed tophead offering up to 7,200 ft-lbs of torque. It boasts a substantial 40,000 lbf holdback capacity and a 25,000 lbf pulldown, complemented by a 25,000 lbf hydraulic hoisting drum.
[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] Mars field was discovered in 1989 at around 130 miles south of New Orleans. The field, located at 3,000ft water deep, started production in 1996. Mars B was discovered after Shell geologists located untappe.
[pdf] 
