Washout sub for well packers
作者： Louis J Birdwell
DOI:
关键词: Washout 、 Geology 、 Anesthesia
摘要:
lens.org 参考文章(2)
Arthur J Penick, Wash valve for wells ,(1946)
Landes H Hayward, Charles O Harper, Apparatus for cementing wells ,(1938)