Anti-rotation apparatus for limiting rotation of cementing plugs
Butterfield, Jr., Charles A, Rogers, Henry E, Webb, Earl D, Stevens, Michael D
Year of Publication 28.09.2004
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Year of Publication 28.09.2004
Patent
Anti-rotation method and apparatus for limiting rotation of cementing plugs
Butterfield, Jr, Charles A, Rogers, Henry E, Moore, Seth R, Garrett, Jr, Donald M, Holubec, Ronald J
Year of Publication 25.07.2006
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Year of Publication 25.07.2006
Patent