Referenced by|
| US4595058 | 28 Aug 1984 | 17 Jun 1986 | Shell Oil Company | Turbulence cementing sub | | US5394940 | 10 Nov 1993 | 7 Mar 1995 | Amarillo Pump & Supply Company, Inc. | Sucker rod guide | | US6845816 | 9 Mar 2001 | 25 Jan 2005 | Downhole Products, PLC | ADI centralizer | | US8167034 | 19 Jun 2008 | 1 May 2012 | Offshore Manufacturing & Design, LLC | Device for centering a well casing | | USD663750 | 28 Oct 2011 | 17 Jul 2012 | Top-Co Cementing Products Inc. | Casing centralizer | | USD664568 | 28 Oct 2011 | 31 Jul 2012 | Top-Co Cementing Products, Inc. | Casing centralizer |
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