Gamma

• Baker, C., Fristad, P., and Seim, P., 1987, Reservoir evaluation with MWD logs: present potential and future requirements: Society of Professional Well Log Analysts logging Symposium, 28th, London, England, 1987, Transactions, p. A1-A17.



• Bhuyan, K., and Passey, Q.R., 1994, Clay estimation from GR and neutron-density porosity logs: Society of Professional Well Log Analysts Annual Logging Symposium, 35th, Tulsa, Okla., 1994, Transactions, p. DDD1-DDD15.



• Blanchard, A., and Dewan, J.T., 1953, The calibration of gamma ray logs: Petroleum Engineer, v. 25, no. 9, p. B76-B80.



• Bryant, T.M., and Gage, T.D., 1988, API pit calibration of MWD gamma ray tools: Society of Professional Well Log Analysts Logging Symposium, 29th, San Antonio, Tex., 1988, Transactions, p. B1-B25.



• Bunker, C.M., 1965, Subsurface measurements of natural gamma radioactivity, Nevada Test Site and vicinity, Nye, Lincoln, and Clark Counties, Nevada: U.S. Geological Survey Report TEI-858, 74 p.



• Burnett, T.M., Koopersmith, C.A., and Spross, R.L., 1990, Drill collar effects on MWD epithermal, thermal and capture gamma ray neutron porosity measurements: Society of Professional Well Log Analysts Logging Symposium, 31st, Lafayette, La., 1990, Transactions, p. E1-E22.



• Campbell, J.L.P., 1951, Radioactivity well logging anomalies: Petroleum Engineer, v. 23, no. 6, p. B7-B12.



• Conaway, J.G., 1980, Direct determination of the gamma-ray logging system response function in field boreholes: Geoexploration, v. 18, p. 187-199.



• Conaway, J.G., Bristow, Quentin, and Killeen, P.G., 1980, Optimization of gamma-ray logging techniques for uranium: Geophysics, v. 45, no. 2, p. 292-311.



• Conaway, J.G., and Killeen, P.G., 1978, Quantitative uranium determinations from gamma-ray logs by application of digital time series analysis: Geophysics, v. 43, no. 6, p. 1204-1221.



• Corona, W.W., and Mavko, Gary, 1999, Predicting clay content and porosity from gamma-ray and conductivity logs, in Powers, M.H., Cramer, Lynn, and Bell, R.S., comp. and eds., Proceedings of the Symposium on the Application of Geophysics to Engineering and Environmental Problems, March 14-18, 1999: Wheat Ridge, Colo., Environmental and Engineering Geophysical Society, p. 425-434.



• Cowan, P., and Wright, G.A., 1997, Investigations into anomalous responses of gamma density and neutron porosity tools in horizontal gas wells "in" Transactions of the SPWLA (Society of Professional Well Log Analysts) Thirty-Eighth Annual Logging Symposium, June 15-18, 1997: Houston, Tex., Society of Professional Well Log Analysts, Paper H, 13 p.



• Czubek, J.A., 1962, Natural gamma-ray logging for the density logging purposes: Nuclear Geophysicists Conference, Cracow, Poland, 1962, Proceedings, v. 1, p. 289-302.



• _____1962, Quantitative interpretation of gamma-ray logs: Nuclear Geophysicists Conference, Cracow, Poland, 1962, Proceedings, v. 1, p. 237-274.



• _____1968, Natural selective gamma logging, a new log of direct uranium determination: Nukleonika, v. 13, no. 1, p. 89-105.



• _____1986, Quantitative interpretation of gamma-ray logs in presence of random noise: Society of Professional Well Log Analysts Annual Logging Symposium, 27th, Dallas, Tex., 1986, Transactions, p. KKK1-KKK25.



• Csubek, J.A., Landa, A., 1979, Coefficients used in the digital interpretation of gamma-ray logs: Institute of Nuclear Physics, Krakow, Poland, 17 p. [Available from the National Technical Information Service, Springfield, VA 22161 as NTIS Report INP-1042/PL.]



• Dahl, J.B., and Odegaard, H., 1970, Areal measurements of water equivalent of snow deposits by means of natural radioactivity in the ground, in Isotopes in hydrology: International Atomic Energy Agency Symposium, Vienna, Austria, 1970, Proceedings, p. 191-210.



• Dietl, H., Kehrer, R., Moser, H., Neumaier, F., and Rauert, W., 1966, Observations on the utilization of the scattering of gamma rays and neutrons to investigate underground aquifers, in Radioisotope instruments in industry and geophysics: International Atomic Energy Agency Symposium, Warsaw, Poland, 1965, Proceedings, v. 2, p. 435-447.



• Dewan, J.T., 1986, Open-hole nuclear logging: state of the art: Society of Professional Well Log Analysts Annual Logging Symposium, 27th, Dallas, Tex., 1986, Transactions, p. MM1-MM20.



• Donovan, W.S., and Hilchie, D.W., 1981, Natural gamma ray emissions in the muddy J formation in eastern Wyoming: Log Analyst, v. 22, no. 2. p. 17-22.



• Droullard, R.F., and Dodd, P.H., 1965, Gamma-ray logging techniques in uranium evaluation: Grand Junction, U.S. Atomic Energy Commission, Operations Branch, Technical Memorandum 232, 22 p.



• Duray, J.R., 1976, A brief review of the basis for, and the procedures currently utilized in, gross gamma-ray log calibration: Bendix Field Engineering Corporation, 13 p. [Available from the National Technical Information Service, Springfield, VA 22161 as NTIS Report GJBX-61.]



• Fowler, Fred, 1958, Radiometric, instruments-types, uses and reliability: Wyoming Mining Association Meeting, Casper, Wyo., 1958, Proceedings, p 1-5.



• Gadeken, L.L., Ginzel, W.J., Sharbak, D.E., Shorck, K.A., Sitka, M.A., and Taylor, J.L., III, 1991, The determination of fracture orientation using a directional gamma ray tool: Society of Professional Well Log Analysts Logging Symposium, 32nd, Midland, Tex., 1991, Transactions, p. AA1-AA13.



• Gardner, R.P., Ao, Q., Xie, Y., Guo, P., Prettyman, T.H., and Verghese, K., 1992, Iterative convolution augmented with Monte Carlo simulation--preliminary formation layer results for neutron porosity and natural gamma-ray logs: Society of Professional Well Log Analysts Annual Logging Symposium, 33rd, Oklahoma City, Okla., 1992, Transactions, p. R1-R25.



• Gianzero, S., Chemali, R., and Su, S.M., 1986, Determining the invasion near the bit with the M.W.D. toroid sonde: Society of Professional Well Log Analysts Annual Logging Symposium, 27th, Dallas, Tex., 1986, Transactions, p. W1-W17.



• Givens, W.W., and Stromswold, D.C., 1985, A borehole gamma ray logging detector and system: European patent EP 0134619, 10 p.



• Granberry, R.J., Jenkins, R.E., and Bush, D.C., 1968, Grain density values of cores from some Gulf Coast formations and their importance in formation evaluation: Society of Professional Well Log Analysts Annual Logging Symposium, 9th, New Orleans, La., 1968, Transactions, p. N1-N19.



• Guo, P., Gardner, R.P., and Verghese, K., 1994, Demonstrated log interpretation and design uses of the specific purpose Monte Carlo code McNGR for natural gamma-ray logs: Society of Professional Well Log Analysts Annual Logging Symposium, 35th, Tulsa, Okla., 1994, Transactions, p.K1-K15.



• Guyod, Hubert, 1966, Interpretation of electric and gamma ray logs in water wells: Log Analyst, v. 6, no. 5, p. 29-44.



• Hale, L.A., 1967, Phosphate exploration using gamma-radiation logs, Dry Valley, Idaho, in Anatomy of the western phosphate field: Intermountain Association of Geologists Annual Field Conference, 15th, 1967, Guidebook, p. 147-159.



• Hallenburg, J.K., 1973, Interpretation of gamma ray logs: Log Analyst, v. 16, no. 6, p. 3-12.



• Hawkins, W.K., and Gearhart, Marvin, 1968, Use of logging in uranium prospecting: Society of Professional Well Log Analysts Annual Logging Symposium, 9th, New Orleans, La., 1968, Transactions, p. T1-T13.



• Heslop, A., 1974, Gamma-ray log response of shaly sandstones: Log Analyst, v. 15, no. 5, p. 17-21.



• Jan, Yih-Min, and Harrel, J.W., 1987, MWD directional-focused gamma ray - A new tool for formation evaluation and drilling control in horizontal wells: Society of Professional Well Log Analysts Annual Logging Symposium, 28th, London, England, 1987, Transactions, p. A1-A17.



• Johnstone, C.W., 1965, Detection of natural gamma radiation in petroleum exploration boreholes, in Adams, J. A. S., and Lowder, W. M., eds., The natural radiation environment: Chicago, University of Chicago Press, p. 115-127.



• Killeen, P.G., 1982, Gamma-ray logging and interpretation in Fitch, A. A., ed., Developments in geophysical exploration methods--3: London, England, Elsevier Applied Science Publishers, p. 95-150.



• Killion, H.W., 1966, Fluid migration behind casing revealed by gamma ray logs: Log Analyst, v. 6, no. 5, p. 46-49. Kokesh, F. P.], 1951, Gamma-ray logging: Oil and Gas Journal, v. 50, no. 12, p. 284-301.



• Kokesh, F.P., 1951, Gamma-ray logging: Oil and Gas Journal, July 26, 7 p.



• Larionov, V.V., 1963, Experience in using radiometric data from drill holes for evaluating reservoir properties of beds in the search for subsurface stores of gas in the Kaluga region: New York, Consultants Bureau Enterprises, Inc., Transactions of the Ministry of Intermediate and Higher Specialized Education, Industrial and Exploratory Geophysical Prospecting, of the Russian Soviet Federated Socialist Republic, no. 31, p. 1-9.



• Lawson B.L., Hoyer, W.A., and Pickett, G.R., eds., 1978, Gamma ray, neutron, and density logging (Reprint Volume): Houston, Tex., Society of Professional Well Log Analysts, 260 p.



• Matveev, A.B., 1965, Nomograms for the calculation of the concentration of radioactive elements in rocks: vop Rud. Geofiz., Gos. Gel. Kom. SSR, no. 5, 4 p.



• McDonald, W.J., and Palmatier, E.D., 1969, Predicting nuclear log response: Journal of Petroleum Technology, v. 21, no. 11, p. 1421-1426.



• Meisner, J.T., Brooks, A., and Wisniewski, W., 1985, A new measurement-while- drilling gamma ray log calibrator: Society of Professional Well Log Analysts Annual Logging Symposium, 26th, Dallas, Tex., 1985, Transactions, p. PP1-PP15.



• Meixner, Rich, Blout, Dan, Hovda, Betsy, Crawford, Bill, Viellenave, Jim, Newell, Duane, and Heibel, Richard, 1998, Combination of downhole gamma logging and soil vapor measurements to track low level chlorinated solvent contamination in the deep vadose zone: Symposium on the Application of Geophysics to Environmental and Engineering Problems, Chicago, Ill., 1998 [Proceedings], p. 369-378.



• Mickael, M.W., Gilchrist, W.A., Jr., Mirzwinski, R.J., Salaita, G.N., and Rajasingam, R.T., 1997, Interpretation of the response of a new through-tubing carbon/oxygen instrument using numerical modeling techniques "in" Transactions of the SPWLA (Society of Professional Well Log Analysts) Thirty-Eighth Annual Logging Symposium, June 15-18, 1997: Houston, Tex., Society of Professional Well Log Analysts, Paper J, 14 p.



• Myers, G.D., 1988, Practical pulsed neutron spectroscopy logging with a high resolution gamma ray detector: Society of Professional Well Log Analysts Logging Symposium, 29th, San Antonio, Tex., 1988, Transactions, p. RR1-RR21.



• Nagel, W.A., 1984, Gamma-ray calibration--Theory: Society of Professional Well Log Analysts Annual Logging Symposium, 25th, New Orleans, La., 1984, Transactions, p. O01-O018.



• Nelson, P.H., Rachiele, R., and Smith, A.,1980, The effect of radon transport in groundwater upon gamma-ray borehole logs: Swedish Nuclear Fuel Supply Company and Lawrence Berkeley Laboratory, 117 p. [Available from the National Technical Information Service, Springfield, VA 22161 as NTIS Report LBL-11180.]



• Norris, S.E., 1972, The use of gamma logs in determining the character of unconsolidated sediments and well construction features: Groundwater, v. 10, no. 6, p. 14-21.



• Pirson, S.J., Alparone, N., and Avadisian, A., 1966, Implications of log derived radioactivity anomalies associated with oil and gas fields: Society of Professional Well Log Analysts Annual Logging Symposium, 7th, Tulsa, Okla., 1966, Transactions, p. V1-V25.



• Rabe, C.L., 1958, A relation between gamma radiation and permeability, Denver- Julesburg Basin [Neb.]: American Institute of Mining, Metallurgical, and Petroleum Engineers Transactions, 1957, v. 210, p. 358-360.



• Salamon, B., 1976, The present site of scintillation counting technique in nuclear well logging: Log Analyst, v. 17, no. 6, p. 3-15.



• Sano, S.I., and Kanaya, H., 1966, Observation of partial shrinkage of strata, in Radioisotope instruments in industry and geophysics: International Atomic Energy Agency, Symposium, Warsaw, Poland, 1965, Proceedings, v. 2, p. 279-291.



• Scott, H.D., Stoller, C., Roscoe, B.A., Plasek, R.E., and Adolph, R.A., 1991, A new compensated through-tubing carbon/oxygen tool for use in flowing wells: Society of Professional Well Log Analysts Logging Symposium, 32nd, Midland, Tex., 1991, Transactions, p. MM1-MM25.



• Scott, J.H., 1963, Computer analysis of gamma-ray logs: Geophysics, v. 28, no. 3, p. 457-465.



• Scott, J.H., Dodd, P.H., Droullard, R.F., and Mudra, P.J., 1961, Quantitative interpretation of gamma-ray logs: Geophysics, v. 26, no. 2, p. 182-191.



• Sippel, R.F., and Hodges, H.D., 1958, LPG-storage well logging: Petroleum Engineer, v. 30, no. 4, 3 p.



• Skibitzke, H.E., 1954, The gamma ray logging method in groundwater hydrology: Geological Society of America Regional Meeting, Los Angeles, Calif., 1954, Proceedings, p. 1-4.



• Strom, E.W., 1997, Hydrogeologic interpretations of natural-gamma logs for 31 shallow wells in the Memphis, Tennessee, area: U.S. Geological Survey Water-Resources Investigations Report 97-4181, 43 p.



• Waid, Margaret, Madigan, William, Smith, Harry, Jr., and Vasquez, Rafael, 1996, A new low-energy gamma ray tool for fullbore measurement of gas holdup in a cased well: Society of Professional Well Log Analysts Annual Logging Symposium, 37th, New Orleans, La., 1996, Transactions, p. LL1-LL11.



• Wahl, J.S., 1983, Gamma-ray logging: Geophysics, v. 48, no. 11, p. 1536-1550.



• Wiley, Ralph, and Zittel, R.J., 1982, Natural gamma ray data of various sandstones: Society of Professional Well Log Analysts Annual Logging Symposium, 23d, Corpus Christi, Tex., 1982, Transactions, p. K1-K20.



• Zapecza, O.S., and Szabo, Zoltan, 1987, Source and distribution of natural radioactivity in ground water in the Newark Basin, New Jersey, In National Water Well Association, eds., Conference on radon, radium, and other radioactivity---Hydrogeologic impact and application to indoor airborne contamination, Somerset, N. J., 1987: Lewis Publishers Inc. [in press].



• Zorski, Tomasz, 1980, Application of discrete Fourier transform in solving the inverse problem in gamma-ray logging: Acta Geophysica Polonica, v. 28, no. 1, p. 57-66, and Tulsa, Okla., University of Tulsa, Petroleum Abstract no. 238,751, 10 p.