| 单词 | electric log |
| 释义 | > as lemmaselectric log electric log n. (a) a ship's log (log n.1 6) registering by electricity; (b) chiefly Oil Industry and Coal Mining a record of electrical resistivity measurements used to identify the rock formations and fuel deposits surrounding a borehole. ΚΠ 1886 Science 2 July 256/2 This electric log, it seems, was the joint invention of Capts. Fleuriais and Bretel, and was so arranged, that, when connected with the cable, it formed part of an electric circuit. 1943 T. B. Losey U.S. Patent 2,317,544 1/2 An example of electric logging apparatus in which electric logs are made by means of a single conductor cable with a single electrode in the well is found in patent No. 2,132,807. 1996 G. Danton Theory & Pract. Seamanship (ed. 11) xvii. 451 The most modern towing log is the Walker's ‘Commodore’ (see Plate 7), which was introduced in 1956 to replace the Walker's ‘Trident’ electric log. 2006 Oil & Gas Jrnl. (Nexis) 17 Apr. 35 Pemex announced that electric logs at a deepwater wildcat in the southernmost gulf indicated a possible supergiant oil accumulation. < as lemmas |
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