PE-3402_HANDOUT_UNIT_CONVERSION

PE-3402_HANDOUT_UNIT_CONVERSION - K amount of substance...

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PETR 3402 — RESERVOIR ROCK PROPERTIES SS-PETR-3402 Page 1 of 1 Handout #2 HANDOUT ON UNIT CONVERSION We deal with the SI (metric) and Oilfield Units. Sometimes we also use the darcy units. Knowing how to switch from one unit system to another is important. SI stands for Le Système Intérnational d’Unités . SI is maintained by a small agency based in Paris called BIPM (International Bureau of Weights and Measures) and they hold conferences called CGPM (General Conference on Weights and Measures) once every few years (last one held in 2003). SI is very dynamic and is evolving constantly. The SI is founded on seven SI base units for seven base quantities assumed to be mutually independent, as given in Table 1. Base quantity Name Symbol length meter m mass kilogram kg time second s electric current ampere A thermodynamic temperature kelvin
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Unformatted text preview: K amount of substance mole mol luminous intensity candela cd CONVERSION FACTORS OF INTEREST TO THE PETROLEUM ENGINEERS Length Pressure 1 inch = 2.54 cm* 1 Pa (pascal) = 1 N/m 2 * 1 ft = 30.48 cm* 1 Bar = 10 5 Pa* 1 micron ( μ m) = 10-6 m* 1 KPa = 10 3 Pa*= 10-2 Bar 1 mile = 1.6093 km 1 MPa = 10 6 Pa*=10 Bars 1 atm = 1.0133 Bar Area 1 Bar = 14.5038 psi 1 acre = 43,560 ft 2 * = 4840 yd 2 1 atm = 14.6967 psi 1 hectare = 10,000 m 2 *= 100 ares* 1 sq. mile = 640 acres Viscosity 1 Pa S = 1000 cp* Volume 1 St (Stoke) = 100 cSt 1 gallon (USG) = 231 in 3 * 1 cp = 1 mPaS 1 barrel (US bbl) = 42 gallons (USG)* 1 barrel (US bbl) = 5.6145 ft 3 Permeability 1 liter = 1000 cm 3 * 1 d (Darcy) = 1000 md* 1 m 3 = 1000 liters* 1 d (Darcy) = 0.9869 μ m 2 1 acre-ft = 1233.5 m 3 1 d (Darcy) = 9.869x10-13 m 2 * indicates that the conversion is exact...
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This note was uploaded on 09/09/2011 for the course PETR 3402 taught by Professor Siddiqui during the Fall '08 term at Texas Tech.

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