Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Well logging
Patent
1984-07-09
1986-03-11
Jordan, Charles T.
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Well logging
367 75, G01V 100
Patent
active
045758280
ABSTRACT:
A borehole logging tool traverses a subsurface formation known to contain naturally occurring fractures. Acoustic wave energy through the naturally fractured formations is measured by a pair of spaced-apart receivers in the logging tool. The ratio of the tube wave amplitudes measured by the pair of receivers identifies total formation permeability. The differences in the tube wave travel times measured by the pair of receivers identifies matrix permeability. The difference between total formation permeability and matrix permeability is attributable to the naturally occurring fractures in the formation.
REFERENCES:
patent: Re24446 (1958-03-01), Summers
patent: 3333238 (1967-07-01), Caldwell
patent: 3362011 (1968-01-01), Zemanek, Jr.
patent: 3369626 (1968-02-01), Zemanek, Jr.
patent: 3839899 (1974-10-01), McMillen
patent: 3900826 (1975-08-01), Dowling et al.
patent: 3962674 (1976-06-01), Howell
patent: 4131875 (1976-12-01), Ingram
patent: 4178577 (1979-12-01), Cini et al.
patent: 4383308 (1983-05-01), Caldwell
patent: 4432077 (1984-02-01), Alhilali et al.
C. F. Huang et al., The Correlation of Tube "Wave Events" With Open Fractures, Geological Survey of Canada, Paper 81-1A, pp. 361-376, 1981.
B. A. Hardaye, Examination of Tube Wave Noise in Verticle Seismic Profiling, Geophysics (Jun. 1981), pp. 892-903.
J. H. Rosenbaum, Synthetic Microseismograms: Logging in Porous Formations, Geophysics, vol. 39, No. 1 (Feb. 1974) pp. 14-32.
J. J. Stahl and J. D. Robinson, "Permeability Profiles from Acoustic Logging", 52nd Annual Fall Tech. Conf., Petroleum Engin. of AIME, (Oct. 1977) pp. 1-4.
"A New Method of Shear-Wave Logging", Geophysics, vol. 45, No. 10 (Oct. 1980), pp. 1489-1506, by Choro Kitsunezaki.
Gilman Michael G.
Hager Jr. George W.
Jordan Charles T.
McKillop A. J.
Mobil Oil Corporation
LandOfFree
Method for distinguishing between total formation permeability a does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for distinguishing between total formation permeability a, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for distinguishing between total formation permeability a will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2194535