Electricity: measuring and testing – Particle precession resonance – Using well logging device
Reexamination Certificate
2008-04-01
2008-04-01
Shrivastav, Brij (Department: 2859)
Electricity: measuring and testing
Particle precession resonance
Using well logging device
Reexamination Certificate
active
07352179
ABSTRACT:
A method and apparatus are provided for measuring a parameter such as capillary pressure in porous media such as rock samples. The method comprises mounting a sample in a centrifuge such that different portions of the sample are spaced at different distances from the centrifuge axis, rotating the sample about the axis, measuring a first parameter in the different portions of the sample, and determining the value of a second parameter related to the force to which each portion is subjected due to rotation of the sample. In one embodiment, the first parameter is relative saturation of the sample as measured by MRI techniques, and the second parameter is capillary pressure.
REFERENCES:
patent: 4868500 (1989-09-01), Baldwin et al.
patent: 5754048 (1998-05-01), Bielecki
patent: 5760586 (1998-06-01), Foerster et al.
patent: 5774960 (1998-07-01), De Fraguier et al.
patent: 5959454 (1999-09-01), Westphal et al.
patent: 6178807 (2001-01-01), Baldwin et al.
patent: 6255819 (2001-07-01), Day et al.
patent: 6278351 (2001-08-01), Wheately
patent: 6337568 (2002-01-01), Tutunji et al.
patent: 6415649 (2002-07-01), Spinler et al.
patent: 6489872 (2002-12-01), Fukushima et al.
patent: 6534984 (2003-03-01), Westphal
patent: 6583622 (2003-06-01), Hills
European Search Report Issued on Application No. 05256726, dated Mar. 30, 2006.
Ayappa K.G. et al., Capillary Pressure: Centrifuge Method Revisited, AIChE Journal Mar. 1989, vol. 35, No. 3, pp. 365-372, Minneapolis, MN, USA.
Quan Chen, et al, A Magnetic Resonance Study of Pore Filling Processes During Spontaneous Imbibition in Berea Sandstone, Journal of Chemical Physics, Nov. 8, 2003, vol. 119, No. 18, pp. 9609-9616.
Cunha, Christina M. C., et al., Calculating Capillary Pressure Curve from Single-Speed Centrifuge Experiments, Inverse Problems 16, Jul. 31, 2000, pp. 1897-1906, IOP Publishing Ltd., UK.
Dullien, F.A., Porous Media; Fluid Transport and Pore Structure, 1992, cover pages, 117-236, Academic Press, Inc., USA.
Purcell, W.R., Capillary Pressures—Their Measurement Using Mercury and The Calculation of Permeability Therefrom, Petroleum Transactions, AIME, Feb. 1949, pp. 39-48, USA.
Fatt, I., et al., Relative Permeability Studies, Petroleum Transactions, AIME, 1951, pp. 249-256, vol. 192, USA.
Burdine, N.T., Relative Permeability Calculations from Pore Size Distributions Data, Petroleum Transactions, AIME, 1953, pp. 71-78, vol. 198, USA.
Hassler, G.L. et al, Measurement of Capillary Pressures in Small Core Samples, Transcript AIME, Oct. 1944, pp. 114-123, USA.
Ruth, Douglas W., et al., Measurement and Interpretation of Centrifuge Capillary Pressure Curves—The SCA Survey Data, The Log Analyst, Sep./Oct. 1995, pp. 21-33, Canada.
Melrose, J.C., Interpretation of Centrifuge Capillary Pressure Data, SPWLA Twenty-Seventh Annual Logging Symposium, Jun. 1986, pp. 1-20, USA.
Rajan, R.R., Theoretically Correct Analytical Solution for Calculating Capillary Pressure-Saturation From Centrifuge Experiments, SPWLA twenty-Seventh Annual Logging Symposium, Jun. 1986, pp. 1-18, USA.
Chen, Quan, et al., Variations of Permeability and Pore Size Distribution of Porous Media with Pressure, Journal of Environmental Quality, Mar./Apr. 2002, pp. 500-505, vol. 31.
Balcom, B.J., et al., Single-Point Ramped Imaging with T1Enhancement (SPRITE), Journal of Magnetic Resonance, 1996, pp. 131-134, Series A 123, Academic Press, Inc.
Balcom, B.J. et al., Single-Point Magnetic Resonance Imaging (MRI) of Cement Based Materials, Materials and Structures, Apr. 2003, pp. 166-182, vol. 36, RILEM, Canada.
Forbes, Pierre, Centrifuge Analysis Techniques: An SCA Survey on The Calculation of Drainage Capillary Pressure Curves from Centrifuge Measurements, SCA Survey—Featured Presentation, 1997, Belgium.
Mastikhin, Igor V. et al., Sprite MRI with Prepared Magnetization and Centric k-Space Sampling, Journal of Magnetic Resonance, 1999, pp. 159-168, Academic Press, Canada.
Leverett, M.C., Capillary Behavior in Porous Solids, Transcript AIME, Oct. 1940 pp. 152-169, USA.
Forbes, Pierre, Quantitative Evaluation and Correction of Gravity Effects on Centrifuge Capillary Pressure Curves, SCA-9734, 16 pages.
Balcom Bruce
Chen Quan
Green Imaging Technologies Inc.
Seyfarth Shaw LLP
Shrivastav Brij
Vargas Dixomara
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