Versionshantering

摘要

The exchange method comprises the following steps : (a) program code is downloaded in a first storage position in a file storage location in the rig ; (b) a first downloaded version of program code is stored in a second storage position in the file storage location ; (c) a new, second version of program code is downloaded into the first storage location ; (d) both program code versions are made available for operating the drilling rig and a return to the first version if the second version is found to be faulty ; (e) the second version is checked ; and (f) if the second version is found to be error-free then the first version is stored in a third storage position in the storage location and the second version is stored in the second storage position, so that the first storage position becomes empty and can be used to store a new third version of program code. - An INDEPENDENT CLAIM is also included for the system used to carry out the program code exchange method.