Storage & Vapor
Boil-Off Gas (BOG)
Natural-gas vapor generated as heat enters LNG storage or transfer systems and a portion of the liquid changes phase.
Why it matters
BOG generation directly affects tank pressure, compressor loading, vapor handling, recondenser duty and fuel-gas balance.
Related technical topics
Process Systems · Intermediate
Boil-Off Gas Management
Understand the sources, collection, compression, recovery and disposition of BOG across storage, unloading, loading and regasification operations.
Rotating Equipment · Intermediate
Boil-Off Gas (BOG) Compressors
Study the role of BOG compressors in controlling LNG tank and transfer-system vapor generation while maintaining a stable vapor-handling path.
Storage · Intermediate
LNG Storage Tanks and Tank Systems
Understand the major systems around LNG storage tanks, including containment, insulation, instrumentation, pressure management, pump columns and safeguards.