A different approach to tender assisted drilling which has the flexibility to be used with multiple jack-up rigs, and nearly any type of fixed offshore production platform. A skid base includes distinct capping beam feet and skid-off feet, the former adjustable to capping beam spacing and the latter...http://www.google.es/patents/US5407302?utm_source=gb-gplus-sharePatente US5407302 - Method and apparatus for skid-off drilling
