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Zitiert von PatentEingetragenAusgestelltUrsprünglich Bevollmächtigter Titel
US725214722. Juli 20047. Aug. 2007Halliburton Energy Services, Inc.Cementing methods and systems for initiating fluid flow with reduced pumping pressure
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US730301426. Okt. 20044. Dez. 2007Halliburton Energy Services, Inc.Casing strings and methods of using such strings in subterranean cementing operations
US732241230. Aug. 200429. Jan. 2008Halliburton Energy Services, Inc.Casing shoes and methods of reverse-circulation cementing of casing
US735718120. Sept. 200515. Apr. 2008Halliburton Energy Services, Inc.Apparatus for autofill deactivation of float equipment and method of reverse cementing
US738981527. Sept. 200724. Juni 2008Halliburton Energy Services, Inc.Methods for reverse-circulation cementing in subterranean formations
US739284020. Dez. 20051. Juli 2008Halliburton Energy Services, Inc.Method and means to seal the casing-by-casing annulus at the surface for reverse circulation cement jobs
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US740444027. Sept. 200729. Juli 2008Halliburton Energy Services, Inc.Methods of using casing strings in subterranean cementing operations
US740999127. Sept. 200712. Aug. 2008Halliburton Energy Services, Inc.Methods of using casing strings in subterranean cementing operations
US745181727. Sept. 200718. Nov. 2008Halliburton Energy Services, Inc.Methods of using casing strings in subterranean cementing operations
US750339914. Nov. 200717. März 2009Halliburton Energy Services, Inc.Casing shoes and methods of reverse-circulation cementing of casing
US75337284. Jan. 200719. Mai 2009Halliburton Energy Services, Inc.Ball operated back pressure valve
US75337291. Nov. 200519. Mai 2009Halliburton Energy Services, Inc.Reverse cementing float equipment
US75971466. Okt. 20066. Okt. 2009Halliburton Energy Services, Inc.Methods and apparatus for completion of well bores
US761445116. Febr. 200710. Nov. 2009Halliburton Energy Services, Inc.Method for constructing and treating subterranean formations
US762133614. Nov. 200724. Nov. 2009Halliburton Energy Services, Inc.Casing shoes and methods of reverse-circulation cementing of casing
US762133714. Nov. 200724. Nov. 2009Halliburton Energy Services, Inc.Casing shoes and methods of reverse-circulation cementing of casing
US765432416. Juli 20072. Febr. 2010Halliburton Energy Services, Inc.Reverse-circulation cementing of surface casing
US793818614. Nov. 200710. Mai 2011Halliburton Energy Services Inc.Casing shoes and methods of reverse-circulation cementing of casing
US816204712. Nov. 200924. Apr. 2012Halliburton Energy Services Inc.Reverse-circulation cementing of surface casing