Experience has proved that gravity platforms could be installed with maximum accuracy with the help of tugs. The main objective is to improve this accuracy to more or less 2 inches, so as to allow installation of a structure over a template, comprising a certain number of predrilled wells. Studies demonstrating the feasibility of such operations in complete reliability are progressing in this field. This type of installation allows the drilling operations while the structure is under construction. When the structure is installed, the conductors connection and well completions can be achieved. The time gained by such a method in platform exploitation is about one year. (Jensen)
Installation of a gravity structure over predrilled wells
Aufbau einer ortsfesten Plattform ueber vorgebohrten Bohrungen
European offshore petroleum conf. and exhibition, Earls Court ; 1 , Oct ; 155-160
1978
6 Seiten, 11 Bilder, 2 Quellen
Aufsatz (Konferenz)
Englisch
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