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Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US444958412 Aug 198222 May 1984Inflatable flowing hole plug
US554028015 Aug 199430 Jul 1996Halliburton CompanyEarly evaluation system
US555594515 Aug 199417 Sep 1996Halliburton CompanyEarly evaluation by fall-off testing
US579973330 Sep 19971 Sep 1998Halliburton Energy Services, Inc.Early evaluation system with pump and method of servicing a well
US600995112 Dec 19974 Jan 2000Baker Hughes IncorporatedMethod and apparatus for hybrid element casing packer for cased-hole applications
US614891216 Mar 199821 Nov 2000Dresser Industries, Inc.Subsurface measurement apparatus, system, and process for improved well drilling control and production
US61896121 Feb 200020 Feb 2001Dresser Industries, Inc.Subsurface measurement apparatus, system, and process for improved well drilling, control, and production
US629605619 Jul 20002 Oct 2001Dresser Industries, Inc.Subsurface measurement apparatus, system, and process for improved well drilling, control, and production
US642778521 Sep 20016 Aug 2002Subsurface measurement apparatus, system, and process for improved well drilling, control, and production
US64466694 Jan 200110 Sep 2002Pipe sealing apparatus
US65684293 Jan 200227 May 2003Pipe sealing apparatus
US690196612 Dec 20037 Jun 2005Bridgestone CorporationSeal device for tubular member
US745507710 Jan 200725 Nov 2008Inflatable plug with flange
US758805327 Oct 200815 Sep 2009Inflatable plug with flange