Guard Log

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• Doll, H.G., 1951, The laterolog--A new resistivity logging method with electrodes using an automatic focusing system: American Institute of Mining, Metallurgical, and Petroleum Engineers, Transactions, v. 192, p. 305-316.



• _____1953, The microlaterolog: American Institute of Mining, Metallurgical, and Petroleum Engineers, Transactions, v. 198, p. 17-32.



• Faivre, Ollivier, and Catala, Gerard, 1995, Dip estimation from azimuthal laterolog tools: Society of Professional Well Log Analysts Annual Logging Symposium, 36th, Paris, France, 1995, Transactions, p. CC1-CC10.



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• _____1966, Examples of current distribution about laterolog sondes: Log Analyst, v. 7, no. 1, p. 27-32.



• Hakvoort, R.G., Fabris, A., Frenkel, M.A., Koelman, J.M., and Loermans, A.M., 1998, in Transactions of the SPWLA (Society of Professional Well Log Analysts) Thirty-Ninth Annual Logging Symposium, May 26-29, 1998: Houston, Tex., Society of Professional Well Log Analysts, Paper C, 12 p.



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• Jackson, P.D., 1981, Focussed electrical resistivity arrays--Some theoretical and practical experiments: Geophysical Prospecting, v. 29, no. 4, p. 601-626.



• Suau, J., and others, 1972, The dual laterolog-R tool: Society of Petroleum Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers Paper SPE 4018, 12 p.



• Wang, H.M., Shen, L.C., and Zhang, G.J., 1998, Dual laterolog response in 3-D environments, in Transactions of the SPWLA (Society of Professional Well Log Analysts) Thirty-Ninth Annual Logging Symposium, May 26-29, 1998: Houston, Tex., Society of Professional Well Log Analysts, Paper X, 13 p.



• Zenor, H.M., and others, 1966, Focus log geometrical factors: Society of Professional Well Log Analysts Annual Logging Symposium, 7th, Tulsa, Okla., 1966, Transactions, p. R1-R17.