ShipCalculators.com

Drillship Fuel & CO₂

Mobile offshore drilling units. Outside CII scope - benchmarked on tonnes of CO₂ per drilling day or per foot drilled. Major capex items: 6-12 MW DP thrusters + drilling package + mud system.

Ship typeOffshoreDrillship
Loading calculator…

Formula, assumptions, and limits

CO2=jFjCf,j,Intensityft=CO2ft/1000\text{CO}_2 = \sum_j F_j \cdot C_{f,j}, \quad \text{Intensity}_\text{ft} = \frac{\text{CO}_2}{\text{ft}/1000}
SymbolMeaningUnit
FjF_jMass of fuel jjt
Cf,jC_{f,j}CO₂ factort CO₂ / t fuel
ftftFeet drilledft

Source: IADC Sustainability Task Force; IOGP Report 471 - Environmental performance indicators

In short

Drilling-day and per-foot CO₂ intensity for drillships.

Learn the theory Specialised Ship Types: Ro-ro, Reefer, Heavy-Lift