Home » Tender for Tender Invited For Casing Slip 5.1/2" , Casing Slip 7" , Casing Slip 9.5/8" , Casing Slip 11.3/4" , Casing Slip 13.3/8" , Casing Slip 16" , Casing Slip 20" , Casing Slip 30" , Drill Collar Slip 3.1/2" , Drill Collar Slip 4.1/8" , Drill Collar Slip 4.3/4", India