A hoisting system is disclosed including a moveable sheave coupled to a well support structure, the moveable sheave slideable along the well support structure and relative to a fixed sheave to laterally move a hoisting line relative to a well center. The hoisting system may include a second moveable sheave such that a second hoisting line may be laterally moved to various locations including a second well center or the same well center as the first hoisting line.
MOVEABLE HOISTING SYSTEM
BEWEGLICHES HUBSYSTEM
SYSTÈME DE LEVAGE MOBILE
2019-08-07
Patent
Electronic Resource
English
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