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 = ??? |