"KFELS B Class" is a modern high specification JU rig design able to operate in water depths of 350 feet (can be extended to 400 feet) and drill up to 30,000 feet and is suitable for operations in most parts of the world. The Company's current rig has further enhanced features which meet the requirements of oil companies including ONGC for operations in India.
Key Specifications :
General specifications
Length overall 234 ft 0 inches
Breadth overall 208 ft 0 inches
Depth of hull at Side 25 ft 0 inches
Total length of legs 491 ft 0 inches
Center to fwd leg to CL of aft legs 129 ft 0 inches
Center to center of aft legs 142 ft 0 inches
Classification ABS MODU A+1
Variable load incl. drilling load (kips) 5,900 (harsh) 7,000 (non-harsh)
Steel design operating temperature (centigrade) -10
Cantilever maximum outreach @ 70 ft (kips) 1,500
Heliport designed for service by S-61
Accommodation (pax) 120 (can be upgraded to 150)
Elevating system / fixation system
No. of pinions 36
Maximum lifting capacity (kips) 46,800
Elevating speed at lifting capacity (ft/min) 1.4
Preload holding capacity (kips) 67,284
Design storm survival conditions
Water depth (ft) 350 300
Variable load (kips) 5,900 5,900
Leg length (ft) 491 491
Maximum wave height (ft) 61 61
Corresponding wave period (sec) 13.5 17
Maximum wind velocity (knot) 100 100
Current (knot) 1 1
Airgap (ft) 65 65
Penetration (ft) 15 15
Dynamic Vision - Full Specification

Dynamic Vision - Key Design Parameters