Stage collars for tubular strings
作者： James C Williams
DOI:
关键词: Anatomy 、 Stage (hydrology) 、 Geology
摘要:
lens.org 参考文章(4)
Landes H Hayward, Charles O Harper, Apparatus for cementing wells ,(1938)
Lee Francis Hampton, Well casing cementing apparatus ,(1947)
Lee Francis Hampton, Side ported well casing cementing collar ,(1947)
Louis J Birdwell, Washout sub for well packers ,(1949)