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