Electricity: measuring and testing – Particle precession resonance – Using well logging device
Patent
1996-10-31
1998-11-17
O'Shea, Sandra L.
Electricity: measuring and testing
Particle precession resonance
Using well logging device
G01R 3320
Patent
active
058381554
ABSTRACT:
Potential producibility and the proportion of water and oil produced can be predicted for hydrocarbon bearing reservoirs using an isolated pore model and nuclear magnetic resonance data. The model is based on the use of two bulk volume irreducible/free fluid index cut off times, one based on small pores and the other based on large pores with a throat size that will not permit movement of fluids therefrom.
REFERENCES:
Miller, M. N. et al., "Spin Echo Magnetic Resonance Logging: Porosity and Free Fluid Index Determination" in Transactions of the 65th Annual Technical Conference and Exhibition of the Society of Petroleum Engineers, New Orleans, Louisiana, Sep. 23-26, 1990, SPE Paper 20561, pp. 321-334.
Coates, G. R., et al., "MRIL in Conoco 33-1 An Investigation of a New Magnetic Resonance Imaging Log" in Transactions SPWLA 32nd Annual Logging Symposium, Jun. 16-19, 1991, Paper DD, pp. 1-23.
Fertl, W. H. and Vercellino, W. C., "Predict Water Cut from Well Logs" in Oil and Gas Journal, Jun. 1978.
Kenyon, W. E. et al., "Pore-Size Distribution and NMR in Microporous Cherty Sandstones" in Transactions SPWLA 30th Annual Logging Symposium, Jun. 11-14, 1989, Paper LL., pp. 1-24.
Prammer, M. G., "NMR Pore Size Distributions and Permeability At the Well Site" in Transactions 69th Annual Technical and Exhibition of the Society of Petroleum Engineers, Sep. 25-28, 1994, SPE Paper 28368, pp. 55-64.
Kenyon, W. E., "Nuclear Magnetic Resonance As A Petrophysical Measurement" in Nuclear Geophysics, 1992, vol. 6, No. 2, pp. 153-171.
Straley, C., et al, "NMR in Partially Saturated Rocks: Laboratory Insights on Free Fluid Index and Comparison with Borehole Logs", SPWLA 32nd Annual Logging Symposium, Jun. 16-19, 1991, Paper CC, pp. 1-25..
Akkurt, R., et al., "NMR Logging of Natural Gas Reservoirs", SPWLA 36th Annual Logging Symposium, Jun. 26-29, 1995, Paper N, pp. 1-10.
Straley, C., et. al., "Core Analysis by Low Field NMR", Proceedings 1994 International Symposium of the Society of Core Analysts, Paper 9404, pp. 43-56.
Conoco Inc.
Eisenberg Michael
O'Shea Sandra L.
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