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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US405190710 Mar 19764 Oct 1977N L Industries, Inc.Selective firing system
US448069010 Feb 19836 Nov 1984Geo Vann, Inc.Accelerated downhole pressure testing
US44960102 Jul 198229 Ene 1985Schlumberger Technology CorporationSingle-wire selective performation system
US45276362 Jul 19829 Jul 1985Schlumberger Technology CorporationSingle-wire selective perforation system having firing safeguards
US459877128 Feb 19858 Jul 1986Geo Vann, Inc.Method and apparatus for firing a perforating gun and simultaneously recording the downhole pressure
US461933318 Nov 198328 Oct 1986Halliburton CompanyDetonation of tandem guns
US528774131 Ago 199222 Feb 1994Halliburton CompanyMethods of perforating and testing wells using coiled tubing
US528792428 Ago 199222 Feb 1994Halliburton CompanyTubing conveyed selective fired perforating systems
US53538758 Nov 199311 Oct 1994Halliburton CompanyMethods of perforating and testing wells using coiled tubing
US53559578 Oct 199318 Oct 1994Halliburton CompanyCombined pressure testing and selective fired perforating systems
US550301428 Jul 19942 Abr 1996Schlumberger Technology CorporationMethod and apparatus for testing wells using dual coiled tubing
US561250525 Ago 198018 Mar 1997The United States of America as represented by the Secretary of the NavyDual mode warhead
US588765420 Nov 199630 Mar 1999Schlumberger Technology CorporationMethod for performing downhole functions
US58905395 Feb 19976 Abr 1999Schlumberger Technology CorporationTubing-conveyer multiple firing head system
US618275019 Nov 19976 Feb 2001Schlumberger Technology CorporationDevice for performing downhole functions
US621320323 Dic 199810 Abr 2001Schlumberger Technology CorporationLock mechanism for use with a downhole device
US635437418 Ago 200012 Mar 2002Schlumberger Technology Corp.Method of performing downhole functions
USRE3275528 Mar 198627 Sep 1988Halliburton CompanyAccelerated downhole pressure testing

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