Page 516 - Petrophysics

484 PETROPHYSICS: RESERVOIR ROCK PROPERTIES

9 flow rate
9 flow rate at mean pressure
9m mass flow rate
9r flow rate at any radius
9m average mass flow rate
r radius
rC radius of channels
Re Reynolds number
Rf fraction of total pore volume in secondary porosity
rW wellbore radius
rwa effective wellbore radius
S Skin

GREEK SYMBOLS

p turbulence factor
@ porosity
’yg gas specific gravity
p viscosity
p density
w Warren-Root fluid capacitance factor

REFERENCES

1. Craft, B. C. and Hawkins, M. F. Applied Petroleum Reservoir Engineering.
Prentice-Hall, Englewood Cliff, NJ, 1959.
2. Darcy, H. “Les Fontaines Publiques de la Ville de Dijon,” Victor Dalmont,
Paris, 1856.
3. Hubbert, M. K. “Entrapment of petroleum under hydrodynamic conditions,”
Bull. Am. Asso. Petrol. Geol. (AAPG), Aug. 1953, pp. 1,954-1,973.
4. Dake, L. P. Fundamentals of Reservoir Engineering, 2nd Ed. McGraw-Hill,
NY, 1978.
5. Pirson, Sylvain J. Oil Reservoir Engineering, 2nd ed. McGraw-Hill,
New York, 1958.
6. Langnes, G. L., Robertson, J. 0. and Chilingar, G. W. Secondary Recovery
and Carbonate Reservoirs. Elsevier Science Publishing Co., Amsterdam,
NY, 1972.
7. Chilingarian, G. V. and Yen, T. F. “Note on carbonate reservoir rocks,
No. 5-interrelationships among various properties of carbonates, ” Energy
Sources, Vol. 9, 1987, pp. 51-65.
8. Pirson, S. J. Handbook of Well Log Analysis. Prentice-Hall, Englewood Cliff,
NJ, 1963.