A method and system for cable-based communication between the drilling rig and the bottom hole assembly is disclosed. A cable is provided along the outside of an upper portion of the drillstring. The cable is connected to a cross-over sub assembly below which is attached a second cable that extends down...http://www.google.es/patents/US20030029641?utm_source=gb-gplus-sharePatente US20030029641 - Method and system for drilling a wellbore having cable based telemetry
Method and system for drilling a wellbore having cable based telemetry
Número de solicitud: 10/192,438 Número de publicación: US 2003/0029641 A1 Fecha de presentación: 10 Jul 2002 Patente emitida: US6776233 ( Fecha de emisión 17 Ago 2004)
