| 单词 | drilling string |
| 释义 | > as lemmasdrilling string drilling string n. see string n. 15b. drilling string b. Originally (more fully string of tools), the drilling bit and weights that occupy the hole in drilling for oil, etc.; in modern use, the entire drilling assembly in the hole (so drilling string); also, the coupled lengths of drill pipe or of casing in the hole. ΘΚΠ society > occupation and work > equipment > oil and natural gas recovery equipment > [noun] > drilling equipment surface casing1877 string1895 tubular goods1922 drill pipe1932 pup joint1937 drill string1948 turbodrill1948 tubular1975 1895 W. T. Brannt Petroleum vii. 182 The string of tools—the bit, the auger-stem and jars, with the sinkerbar—are [sic] more than sixty feet long. 1929 H. E. Babbitt & J. J. Doland Water Supply Engin. vii. 160 The only tools on the string in spudding are usually the auger stem and the spudding drill. 1939 D. Hager Fund. Petroleum Industry viii. 181 A string of cable tools consists of the bit, stem, jars, sinker bar or sub, and rope socket. The parts of the string are all joined by tool joints and fastened to the drilling cable or line by means of the rope socket. 1947 Richmond (Va.) Times-Dispatch 12 Mar. 11/2 Pacific Western's well contains the longest ‘string’ of casing ever run into a well—16,406 feet. 1963 G. Sell Petroleum Industry iii. 53 The swivel is so designed as to allow the drilling string to rotate freely on roller bearings. 1976 M. Machlin Pipeline xxvii. 318 Can you imagine old Wilbur all touted out in greasy coveralls, working the string on some well up in the slope? 1979 R. Piper Story of Oil vi. 23 When boring for oil, a separate engine, apart from the one that raises and lowers the drill string, is needed to turn the drill stem. < as lemmas |
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