Special tool open hole packer
作者： Langford W Henshaw
DOI:
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摘要:
lens.org 参考文章(6)
Eastby Lawson Walter, Howard Holmes Harrison, Oil well filter ,(1941)
Thomas M Johnston, Open hole packer of the sleeve type ,(1950)
Keith H Miner, Method and apparatus for releasing packers ,(1949)
Erd V Crowell, Control-head packer ,(1924)
Louis J Birdwell, Washout sub for well packers ,(1949)
Cecil H Sweet, Retrievable well packer ,(1949)