Drilling Liner (Application 5)

Fractures with highly different pore pressure causing
– Downhole Blowouts
– Downhole Kicks
Solution: Run Liner while Drilling
– Kick / Loss Control
– Hole Protected
– Liner at Desired Position
Open Requirements:
– Immediate Cementing Option
(Cement through motor or new method to be designed)

Drilling Liner (Application 4)

Deep Water Shallow Water Flow
– Washed out top hole Section
– Casing Erosion

Solution: Run Liner while Drilling
– Hole Protected
– Liner at Desired Position

Open Requirements:
– Immediate Cementing Option
(Cement through motor or new method to be designed)
– >= 20” DL Tool Sizes
– Liner Hangers (current .max.=16”)

Drilling Liner (Application 3)

Unconsolidated formations
– Unconsolidated Sands
– Horizontal Wellpath

Solution: Run Liner while Drilling
– Hole Protected
– Liner at Desired Position
Open Requirements:
– Directional Drilling Capability
(to be designed)

Drilling Liner (Application 2)

Unstable Formations with time dependent bore hole stability

– Shale
– Salt

Solution: Run Liner while Drilling

– Hole Protected
– Liner at Desired Position

Drilling Liner (Application 1)

Adjacent formations with highly different pore pressure due to
– Faults
– Sub Pressured Reservoir
– Depleted Reservoir

Solution: Run Liner while Drilling
– Kick / Loss Control
– Hole Protected
– Liner at Desired Position