| Abbr | SI | Oil Metric | Oil Field | Additional | ||
|---|---|---|---|---|---|---|
| Time | t | s | d = 86400 s | d = 86400 s | hr = 3600 s | |
| Length | L | m | m = 3.281 ft | ' = ft = 0.3048 m | km = 103 m | |
| Pipe Diameter | d, ø | m | m = 39.37 in | " = in = 0.0254 m | mm = 0.001 m= 0.0393701 in | |
| Temperature | T | °C | °C | F = 9/5 T [°C] + 32 | K = 273 °C | |
| Pressure (absolute) | P | Pa | kPa = 103 Pa = 0.145038 psi MPa = 1,000 Pa = 103 Pa = 145.038 psi GPa = 1,000 Pa = 106 Pa = 145,038 psi | psi = 6894.76 Pa = 6.89476 kPa | bar = 105 Pa = 100 kPa = 14.5038 psi atm = 101,325 Pa = 101.325 kPa = 14.6959 psi | |
| Pressure (gauge) | Pgauge | Pa | kPag = P[kPa] - 101,325 kPa | psig = P[psi] - 14.6959 psi | ||
| Rate (oil) | q, Q | m3/s | m3/d = 1.16 · 10-5 m3/s | bpd = 0.184 · 10-5 m3/s = 0.159 m3/d | ||
| Rate (gas) | qg, Qg | m3/s | m3/d = ??? | scf = ft3 = ??? | ||
| GOR | Yg | m3/m3 | m3/m3 = ??? | scf/bbl = ??? | ||
| Density (solids) | ρ | kg/m3 | g/cm3 = 103 kg/m3 | g/cc = g/cm3 = 103 kg/m3 | ||
| Density (oil) | ρo | kg/m3 | g/cm3 = 103 kg/m3 | °API = (141.5/ γo) - 131.5 | ||
| Specific Gravity | γ | – | 1 = 103 kg/m3 | 1 = g/cm3 | γ = ρ / ρw | |
| Compressibility | c | Pa-1 | kPa-1 = 10-3 Pa-1 | psi-1 = 0.145 · 10-3 Pa-1 = 0.145 kPa-1 | ||
| Permeability | k | m2 | md = 9.869233×10−7 m2 | md = 9.869233×10−7 m2 | D = 9.869233×10−13 m2 | |
| Viscosity | μ | cp | cp = 10-3 Pa · s | cp = 10-3 Pa · s | ||
| Productivity | J | m3/(Pa·s) | m3/(d·kPa) = ??? | bpd/psi = ??? | m3/(d·atm) = ??? | |
| Transmissibility | σ | m3/(Pa·s) | (md·m)/cp = ??? | (md·ft)/cp = ??? | m3/(d·atm) =??? | |
| Pressure diffusivity | χ | m2/s | (md·kPa)/cp = ??? | (md·psi)/cp = ??? | (md·atm)/cp = ??? | |
| Wellbore storage | WBS, CS | m3/Pa | m3/kPa = ??? | |||
| Thermal conductivity | λ | W/(m·K) | W/(m·C) = ??? | BTU/(hr⋅ft⋅°F) = ??? | ||
| Specific heat capacity | cp | J/K | kJ/C = ??? | kJ/F = ??? |
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