A conventional land drilling rig is interconnected to the substructure for an oilfield pad location. The interconnected drilling rig is placed on top of matting. The matting has embedded rollers to facilitate movement of the drilling rig as a "convoy" across the mat from one wellhead to another wellhead....http://www.google.es/patents/US20030066686?utm_source=gb-gplus-sharePatente US20030066686 - Interconnected, rolling rig and oilfield building(s)
Interconnected, rolling rig and oilfield building(s)
Número de solicitud: 10/265,026 Número de publicación: US 2003/0066686 A1 Fecha de presentación: 4 Oct 2002 Patente emitida: US6962030 ( Fecha de emisión 8 Nov 2005)