HYDROSTATIC TUBULAR LIFTING SYSTEM

摘要

In one embodiment, a tubular lifting system (100) for lifting a wellbore tubular (12, 6) includes an outer tubular (10); an inner tubular (20) disposed in the outer tubular; an annular chamber (40) defined between the inner tubular and the outer tubular; and a tubular piston (30) selectively movable in the annular chamber, wherein the wellbore tubular is connected to the tubular piston and movable thereby.