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Patents

Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US452046828 May 198228 May 1985Borehole measurement while drilling systems and methods
US480771730 Oct 198728 Feb 1989Amoco CorporationMethod of loggging an inclined wellbore
US62698919 Sep 19997 Aug 2001Shell Oil CompanyThrough-drill string conveyed logging system
US71344938 Mar 200214 Nov 2006Shell Oil CompanyLogging system for use in a wellbore
US71404545 Jul 200228 Nov 2006Shell Oil CompanyWell drilling bit
US718867223 Apr 200413 Mar 2007Shell Oil CompanyWell string assembly
US720739816 Jul 200224 Apr 2007Shell Oil CompanySteerable rotary drill bit assembly with pilot bit
US728159223 Jul 200216 Oct 2007Shell Oil CompanyInjecting a fluid into a borehole ahead of the bit
US728760913 Nov 200330 Oct 2007Shell Oil CompanyDrilling a borehole
US729663914 Jan 200420 Nov 2007Shell Oil CompanyWellstring assembly

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