30 calculators for CCUS, hydrogen pipelines, methane emissions, and carbon markets — built for midstream engineers tackling the energy transition.
30 calculators · 14 engineering guides · ASME B31.12 · DNV-RP-F104 · EPA OOOOb · 45Q/45V
Engineering tools spanning CO₂ pipeline design (Span-Wagner EOS, fracture-arrest CVN), hydrogen pipeline & blending (B31.12 Options A & B), methane LDAR economics with super-emitter Pareto analysis, post-combustion amine capture, hydrogen production carbon intensity, and carbon credit valuation.
Span-Wagner EOS, FVW viscosity, Colebrook-White friction for dense-phase CO₂ pipeline pressure drop calculations.
ASME B31.4 wall thickness combined with Battelle CVN fracture-arrest method and DNV-RP-F104 CO₂ correction.
Erosional velocity per API RP 14E combined with dense-phase ΔP checks for line sizing.
Span-Wagner saturation curve and sublimation curve for CO₂ pressure-temperature phase mapping.
Multi-stage compression with intercooling and supercritical discharge for CO₂ transport and injection.
Two-phase saturation tracking with Span-Wagner ancillary equations to assess brittle-fracture risk during blowdown.
Dense-phase preservation between booster stations per DNV-RP-F104 to avoid two-phase flow.
Performance Factor (Hf) per ASME B31.12 Table IX-5A for hydrogen pipeline wall thickness sizing.
Fracture mechanics and fatigue da/dN per Sandia SAND2012-7321 for B31.12 Option B hydrogen pipeline design.
Weymouth and AGA pressure-drop equations adapted for hydrogen with MW = 2.016 g/mol.
Composite risk score for hydrogen embrittlement per NACE MR0175 and ASME B31.12 Article IX.
Wobbe shift, energy density, and embrittlement risk versus blend percentage for H₂-NG mixtures.
Polytropic head with k = 1.41, MW = 2.016 g/mol, and API 618 limits for hydrogen compressor sizing.
Dollar-per-ton CH₄ abated with Pareto super-emitter distribution for LDAR program economics.
Survey cost versus leak detection per EPA OOOOb to evaluate optical gas imaging investment ROI.
Vasquez-Beggs GOR with empirical flash factor for storage tank flashing emissions estimates.
Allen 2014 PNAS factors with retrofit economics for pneumatic controller and pump emissions.
EPA Subpart W §98.233 Table W-4 vent rates for reciprocating rod-packing and centrifugal wet/dry seals.
Allen-Torres flare combustion efficiency correlation with pilot-out warning for compliance with OOOOb.
EPA Protocol Table 2-4 oil and gas production component-count factors for fugitive emissions estimates.
Satellite and aerial survey ROI for detecting and mitigating super-emitters across midstream assets.
Reboiler energy for MEA, MDEA-PZ, piperazine, CESAR1, and KS-21 amine solvents for post-combustion CO₂ capture.
Net efficiency penalty per DOE NETL B12B for CCUS parasitic load on coal and combined-cycle power plants.
Radial Darcy injectivity with Hubbert-Willis fracture criterion for CO₂ injection well capacity.
Dollar-per-ton CO₂ avoided full-chain economics including the 45Q tax credit.
Steam methane reforming carbon intensity with and without CCUS, evaluated against 45V tiers.
kWh/kg, water consumption, and grid carbon intensity for PEM, alkaline, and SOEC electrolyzers.
Lifecycle analysis comparison of grey, blue, green, turquoise, and pink hydrogen pathways.
Carbon credit valuation across CARB, RGGI, EU ETS, 45Q, and voluntary markets for project economics.
Working gas, cushion gas, and cycle sizing per API RP 1170 and SMRI guidance for salt-cavern hydrogen storage.