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Patent applications and USPTO patent grants for Forbes; Euan.The latest application filed is for "at-bit magnetic ranging and surveying".
Patent | Date |
---|---|
Method for improving wellbore survey accuracy and placement Grant 9,297,249 - McElhinney , et al. March 29, 2 | 2016-03-29 |
At-bit magnetic ranging and surveying Grant 8,947,094 - McElhinney , et al. February 3, 2 | 2015-02-03 |
At-bit Magnetic Ranging And Surveying App 20130069655 - McElhinney; Graham A. ;   et al. | 2013-03-21 |
Method For Improving Wellbore Survey Accuracy And Placement App 20130002257 - McElhinney; Graham A. ;   et al. | 2013-01-03 |
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