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Patent applications and USPTO patent grants for BJ Service Company.The latest application filed is for "expandable mill and methods of use".
Patent | Date |
---|---|
Expandable Mill And Methods Of Use App 20100243257 - Krieg; George N. ;   et al. | 2010-09-30 |
Dead String Completion Assembly With Injection System And Methods App 20090242208 - Bolding; Jeffrey L. | 2009-10-01 |
Communication Tool And Method For A Subsurface Safety Valve With Communication Component App 20080196891 - Mailand; Jason C. ;   et al. | 2008-08-21 |
Multiple dart drop circulating tool App 20080169108 - Mondelli; Maximiliano ;   et al. | 2008-07-17 |
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