BNB - Model RIG 1 -Drilling Rigs for Deep Well

Make: Russian made 1980. 6*6 wheel drive. Rated depth: 1000ft at 12” dia, 450ft at 20” dia. Truck mounted rig. Straight circulatory. Proposed drill pipe: total 1000ft of diameter 2.78” weight 6 kg/ft. Proposed drill collar: total length 16ft diameter 5” spiral weight 62.5 kg/ft. Bit size: 6”, 8.25”, 12.25”, 15”, 16”, 17.25”, 18.5”. Mud pump: piston pump, Russian Liner size: 3.5” stroke 8”.