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Patentes

Citada por

Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US40077974 Jun 197415 Feb 1977Texas Dynamatics, Inc.Device for drilling a hole in the side wall of a bore hole
US40519085 Nov 19764 Oct 1977Downhole drilling system
US406613710 Jun 19763 Ene 1978PEI, Inc.Flame jet tool for drilling cross-holes
US418570520 Jun 197829 Ene 1980Well perforating tool
US444427624 Nov 198024 Abr 1984Cities Service CompanyUnderground radial pipe network
US542542916 Jun 199420 Jun 1995Method and apparatus for forming lateral boreholes
US54452301 Oct 199329 Ago 1995Downhole drilling subassembly and method for same
US547778527 Ene 199526 Dic 1995The Ensign-Bickford CompanyWell pipe perforating gun
US562223119 Jun 199522 Abr 1997Cutting head
US567376529 Ago 19957 Oct 1997Downhole drilling subassembly and method for same
US627645312 Oct 199921 Ago 2001Method and apparatus for forcing an object through the sidewall of a borehole
US657186714 Jun 20013 Jun 2003Apparatus for increasing the effective diameter of a wellbore
US68897813 Jul 200210 May 2005Performance Research & Drilling, LLCHorizontal directional drilling in wells
US69643033 Jul 200215 Nov 2005Performance Research & Drilling, LLCHorizontal directional drilling in wells