Gamma-gamma

• Alger, R.P., Raymer, L.L., Hoyle, W.R., and Tixier, M.P., 1962, Formation density log applications in liquid-filled holes: Society of Petroleum Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers Paper SPE 435, 19 p.



• Allioli, F., Faivre, O., Jammes, L., and Evans, M., 1997, A new approach to computing formation density and Pe free of mudcake effects, 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 K, 14 p.



• Andrassy, Laszlo, 1980, Approximate graphical and numerical determination of densities corrected for borehole diameter: Geofizikai Kozlemenyek, no. 26, p. 79-88, issued by the University of Tulsa, Petroleum Abstracts no. 313,586.



• Atal, B.S., Rai, Lajpat, and Bhatnagar, A.S., 1970, Density logging in boreholes using gamma-backscatter technique: National Symposium on Radiation Physics, Bombay, India, 1970, Proceedings, p. 623-629. [Available from National Technical Information Service, Springfield, VA 22161 as NTIS Report CONF-701138.]



• Baker, P.E., 1958, Density logging with gamma rays: American Institute of Mining, Metallurgical, and Petroleum Engineers Transactions, 1957, v. 210, p. 289-294.



• Baldwin, W.F., and others, 1966, Slim hole logging in Colorado oil shale: Society of Professional Well Log Analysts Annual Logging Symposium, 7th, Tulsa, Okla., 1966, Transactions, p. C1-C17.



• Best, D., Wraight, P., and Holenka, J., 1990, An innovative approach to correct density measurements while drilling for hole size effect: Society of Professional Well Log Analysts Logging Symposium, 31st, Lafayette, La., 1990, Transactions, p. G1-G21.



• Bishop, J.M., 1970, Utilization of density logs to delineate desaturated zones and estimate porosity in cased holes: Society of Petroleum Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers Paper SPE 3185, 12 p.



• Bunker, C.M., and Bradley, W.A., 1961, Measurement of bulk density of drill core by gamma-ray absorption, in Short papers in the geologic and hydrologic sciences: U.S. Geological Survey Professional Paper 424-B, p. B310-B313.



• Campbell, J.L.P., and Wilson, J.C., 1958, Density logging in the Gulf Coast area: Journal of Petroleum Technology, v. 10, no. 7, p. 21-25.



• Chudy, Stephen, 1981, Photon log: Society of Professional Well Log Analysts Annual Logging Symposium, 2d, Mexico City, Mexico, 1981, Transactions, p. GG1-GG15.



• Corey, J.C., and Hayes, D.W., 1970, Determination of density and water content of marine sediment in an unextruded core using fast neutron and gamma ray attenuation: Deep-Sea Research, v. 17, no. 5, p. 917-922.



• Courtois, Guy, Gasnier, Michel, and Lallemant, Claude, 1963, Gamma sonde finds interface in propane storage reservoir: Nucleonics, v. 21, no. 1, p. 76-78.



• Czubek, J.A., 1966, Application du principe de similitude a la mesure gamma- gamma de densite [Application of the similitude principle to gamma-gamma density measurements] (French): Paris, Villeme, France, Secretariat General du Gouvernement, Documentation Francaise, Direction de la Documentation, Report CEA-R 3099, 32 p.



• _____1966, Physical possibilities of gamma-gamma logging, in International Atomic Energy Agency Symposium on Radioisotope Instruments in Industry and Geophysics: Warsaw, Poland, 1965, Proceedings, v. 2, p. 249-275.



• Davidson, J.M., Biggar, J.W., and Nielsen, D.R., 1963, Gamma-radiation attenuation for measuring bulk density and transient water flow in porous materials: Journal of Geophysical Research, v. 68, no. 16, p. 4777-4783.



• Diad'kin, I.G., 1955, On the theory of gamma-gamma logging of drill holes: Izvestia Akademii Nauk SSSR Seriia Geofizicheskaia, v. 1, no. 4, p. 323-331. [Available from National Technical Information Service, Springfield, VA 22161 as NTIS Report TT 65-64385.]



• Dodd, P.H., and Droullard, R.F., 1966, A logging system and computer programme to determine rock density of uranium deposits, in International Atomic Energy Agency Symposium on Radioisotope Instruments in Industry and Geophysics: Warsaw, Poland, 1965, Proceedings, v. 2, p. 205-224.



• Edwards, J.M., 1959, Quantitative evaluation of the density log in the Rocky Mountain area: Journal of Petroleum Technology, v. 11, no. 12, p. 29-34.



• Ellis, E., Flaum, C., Roulet, C., Marienbach, E., and Seeman, B., 1983, The litho-density tool calibration: Society of Petroleum Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers paper SPE 12048, 11 p.



• Evans, H.B., 1965, GRAPE--A device for continuous determination of material density and porosity: Society of Professional Well Log Analysts Annual Logging Symposium, 6th, Dallas, Tex., 1965, Transactions, p. B1-B25.



• Felder, Benjamin, and Boyeldieu, Claude, 1979, The lithodensity log: Society of Professional Well Log Analysts European Symposium, 6th, London, England, 1979, Transactions, p. O1-O20.



• Fishel, K.W., and Mayer, Robert, Jr., 1978, Extremely high resolution density coal logging techniques: International Coal Exploration Symposium, 2d, Denver, Colo., 1978, p. 1-17.



• Flaum, C., Galford, J.E., and Hastings, A., 1987, Enhanced vertical resolution processing of dual detector gamma-gamma density logs: Society of Professional Well Log Analysts Annual Logging Symposium, 28th, London, England, 1987, Transactions, p. M1-M25.



• Gardner, J.S., and Dumanoir, J.L., 1980, Litho-density log interpretation: Society of Professional Well Log Analysts Annual Logging Symposium, 21st, Lafayette, La., 1980, Transactions, p. N1-N23.



• Gardner, R.P., and Roberts, K.F., 1967, Gamma ray gauges for measuring soil density, in Density and moisture content measurements by nuclear methods-- National Cooperative Highway Research Program Report 43, part 1: Washington, D.C., National Academy of Sciences, p. 1-19.



• Gardner, W.H., Campbell, G.S., and Calissendorff, C., 1972, Systematic and random errors in dual gamma energy soil bulk density and water content measurements: Soil Science Society of America Journal, v. 36, no. 3, p. 393-398.



• Head, M.P., and Barnett, M.E., 1980, Digital log calibration--The compensated density log: Society of Petroleum Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers Paper SPE 9343, 11 p.



• Hearst, J.R., 1976, Effects of mudcake and sonde angle on a simple two- detector density sonde: Log Analyst, v. 17, no. 3, p. 11-15.



• Hearst, J.R., and Carlson, R.C., 1969, The RIDS--A density logger for rough holes: Geophysics, v. 34, no. 2, p. 222-234.



• Hearst, J.R., Carlson, R.E., and Clark, S.R., 1986, Calculation of gravimetric density caused by three-dimensional structure: Society of Professional Well Log Analysts Annual Logging Symposium, 27th, Dallas, Tex., 1986, Transactions, p. F1-F22.



• Herkelrath, W.N., and Miller, E.E., 1976, High performance gamma system for soil columns: Soil Science Society of America Journal, v. 40, no. 2, p. 331-332.



• Hicks, Bill, 1975, Special logging techniques of underground storage and solution mining wells: Northern Ohio Geological Society Symposium on Salt, 4th, Houston, Tex., 1975, Proceedings, v. 2, p. 227-230.



• Hirakawa, Seiichi, Fujinaga, Yoshinobu, and Ohkuma, Hiroshi, 1971, Simulation of gamma-ray multiple scattering in rocks: Bulletin of the Japanese Petroleum Institute, v. 13, no. 2, p. 267-272.



• Holloway, J.W., and Holmes, Michael, 1990, Oil, gas and water saturations calculated as separate entities from density, neutron and resistivity logs: Society of Professional Well Log Analysts Logging Symposium, 31st, Lafayette, La., 1990, Transactions, p. MM1-MM15.



• Jenkins, R.E., 1963, Gamma-gamma density log: Dallas, Tex., Core Laboratories, Inc., Technical Memorandum 19, 7 p.



• Langford, R.P., Grigsby, J.D., and Howard, W.E., 1992, Use of the enhanced density and microresistivity logs in interpreting diagenetic facies in Tertiary Gulf Coast sandstone: Society of Professional Well Log Analysts Annual Logging Symposium, 33rd, Oklahoma City, Okla., 1992, Transactions, p. BB1-BB16.



• Lara, J.M., 1968, Gamma probe calibration tests: Denver, Colo., U.S. Bureau of Reclamation, 18 p.



• Mathis, G.L., 1990, The effect of detector temperature on the formation density log: Society of Professional Well Log Analysts Logging Symposium, 31st, Lafayette, La., 1990, Transactions, p. RR1-RR9.



• Mathis, G.L., and Gearhart, Dale, 1988, Characterization of vertical resolution for Pe and density logging: Society of Professional Well Log Analysts Logging Symposium, 29th, San Antonio, Tex., 1988, Transactions, p. OO1-OO18.



• Maus, L.D., 1974, In-situ sediment composition measurement using scattered gamma radiation [University of Rhode Island Ph. D. dissertation]: University Microfilms, International, Publication 74-24,692, 208 p.



• McCall, D.C., 1982, Litho-density log applications in the Michigan and Illinois basins: Society of Professional Well Log Analysts Annual Logging Symposium, 23d, Corpus Christi, Tex., 1982, Transactions, p. C1-C21.



• Minnette, D.C., Hubner, B.G., Harris, Mark, and Fertl, W.H., 1988, Field observations and test pit measurements of the accuracy of the Z-Densilog(TM) gamma-gamma instrument: Society of Professional Well Log Analysts Logging Symposium, 29th, San Antonio, Tex., 1988, Transactions, p. QQ1-QQ20.



• Moake, G.L., 1991, A new approach to determining compensated density and Pe values with a spectral-density tool: Society of Professional Well Log Analysts Logging Symposium, 32nd, Midland, Tex., 1991, Transactions, p. Z1-Z24.



• Pflug, K.A., Mwenifumbo, C.J., and Salisbury, M., 2000, Borehole spectral gamma-gamma density log calibration in massive sulfides, in International Symposium on Borehole Geophysics for Minerals, Geotechnical, and Groundwater Applications, 7^th, Denver, Colo., 2000, Proceedings: Houston, Tex., The Minerals and Geotechnical Logging Society, A Chapter at Large of the Society of Professional Well Log Analysts, p. 55-70



• Pickell, J.J., and Heacock, J.G., Jr., 1960, Density logging: Geophysics, v. 25, no.4, p. 891-904.



• Picton, D.J., Harris, R.G., Randle, K., and Weaver, D.R., 1993, Enhanced vertical resolution analysis of density tool data in rugose holes (Part II): Society of Professional Well Log Analysts Annual Logging Symposium, 34th, Calgary, Alberta, Canada, 1993, Transactions, p. BBB1-BBB21.



• Preiss, Kenneth, 1968, In situ measurement of marine sediment density by gamma radiation: Deep-Sea Research, v. 15, no. 5, p. 637-641.



• _____1968, Non-destructive laboratory measurement of marine sediment density in a core barrel using gamma radiation: Deep-Sea Research, v. 15, no. 3, p. 401-407.



• _____1970, Relation between energy and error due to nuclear statistics for density measurement by gamma ray transmission: Soil Science, v. 110, no. 3, p. 151-156.



• Preiss, Kenneth, and Lahat, A., 1970, A gamma ray density probe designed for foundation exploration in loess development: Beer-Sheva, Israel, Negev Institute of Arid Zone Research, Division of Engineering Sciences Departmental Report 105, 42 p.



• Preiss, Kenneth, and Livnat, R., 1972, Note on the behaviour of backscattered gamma ray photons in the scattering medium: Beer-Sheva, Israel, Negev Institute of Arid Zone Research, Division of Engineering Sciences Departmental Report 120, 24 p.



• Preiss, Kenneth, and Supe, C., 1970, Measurement of density of asphalt layers by backscattering of Am-241 gamma radiation: Beer-Sheva, Israel, Negev Institute for Arid Zone Research, Division of Engineering Sciences Departmental Report 107, 38 p.



• Robbins, S.L., 1979, Density determinations from borehole gravity data from a shallow lignite zone within the Denver Formation near Watkins, Colorado: Society of Professional Well Log Analysts Annual Logging Symposium, 20th, Tulsa, Okla., 1979, Transactions, p. JJ1-JJ20.



• Rodermund, C.G., Alger, R.P., and Tittman, Jay, 1961, Logging empty holes: Society of Professional Well Log Analysts Annual Logging Symposium, 2d, Dallas, Tex., 1961, Transactions, p. 1-4.



• Roney, J.R., 1973, Gamma scattering in marine sediments [University of Rhode Island, Ph. D. dissertation]: University Microfilms, International, Publication 73-31,020; 183 p.



• Samworth, J.R., 1974, The radiation density log applied to the resolution of thin beds in coal measures: Society of Professional Well Log Analysts European Symposium, 3d, London, England, 1974, Transactions, p. R1-R12.



• _____1979, Slimline dual detector density logging--A semi-theoretical approach to correction and compensation: Society of Petroleum Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers Paper SPE 8365, 8 p.



• Schmoker, J.W., 1981, Organic-matter content of Appalachian Devonian shales determined by use of wire-line logs--Summary of work done 1976-80: U.S. Geological Survey Open-File Report 81-181, 32 p.



• Scott, J.H., 1977, Borehole compensation algorithms for a small-diameter, dual-detector, density well-logging probe: Society of Professional Well Log Analysts Annual Logging Symposium, 18th, Houston, Tex., 1977, Transactions, p. S1-S17.



• Smith, J.W., Thomas, H.E., and Trudell, L.G., 1968, Geologic factors affecting density logs in oil shale: Society of Professional Well Log Analysts Annual Logging Symposium, 9th, New Orleans, La., 1968, Transactions, p. P1-P17.



• Smith, M.P., 1990, Enhanced vertical resolution processing of dual-spaced neutron and density tools using standard shop calibration and borehole compensation procedures: Society of Professional Well Log Analysts Logging Symposium, 31st, Lafayette, La., 1990, Transactions, p. SS1-SS22.



• Smith, W.D.M., 1969, Log density, porosity: Oilweek, v. 20, no. 44, p. 24-25, 28-29.



• Society of Professional Well Log Analysts, Houston Chapter, 1967, Gamma-gamma density logging: Log Analyst, v. 8, no. 3, p. 31-36.



• Taylor, Denis, and Kansara, Mohan, 1966, Measuring density with the nuclear back-scatter method: Nucleonics, v. 24, no. 6, p. 54-56.



• Tepper, Rob, 1989, A clay corrected neutron-density crossover method as a useful gas/oil interpretation technique for Gulf of Mexico shaly sandstone reservoirs: Society of Professional Well Log Analysts Logging Symposium, 30th, Denver, Colo., 1989, Transactions, p. R1-R22.



• Tittman, Jay, and Wahl, J.S., 1962, Formation density logging gamma-gamma principles and practice: Nuclear Geophysicists Conference, Cracow, Poland, 1962, Proceedings, p. 339-391.



• _____1965, The physical foundations of formation density logging (gamma-gamma): Geophysics, v. 30, no. 2, p. 284-293.



• U.S. Atomic Energy Commission, 1965, Isotope systems development: Seventh Annual Contractors Meeting, Washington, D.C., December 1965, 61 p.



• Utkin, V.I., and Burdin, Y.B., 1975, Accuracy of analog registration in gamma-gamma logging: Akademiya Nauk SSSR, Ural Nauchno Tsentr, Sverdlosk, USSR, p. 52-57. [Available from National Technical Information Service, Springfield, VA 22161 as NTIS Report UCRL-TRANS-11329.]



• Varvarin, G.B., Kuznetsov, G.A., and Filippov, E.M., 1966, Investigations into eliminating the effect on the gamma-gamma log of zones adjacent to the tool: Akademii Nauk SSSR, Seriya, Geologiya 1 Geofizika, v. 6, p. 106-114.



• Wahl, J.S., and others, 1964, The dual spacing formation density log: Society of Petroleum Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers Paper SPE 989, 8 p.



• Watson, C.C., 1983, Numerical simulation of the litho-density tool lithology response: Society of Petroleum Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers Paper SPE 12051, 12 p.



• Wraight, P., Evans, M., Marienbach, E., Rhein-Knudsen, E., and Best, D., 1989, Combination formation density and neutron porosity measurements while drilling: Society of Professional Well Log Analysts Logging Symposium, 30th, Denver, Colo., 1989, Transactions, p. B1-B23.