| 摘要 |
<p>The present invention relates to an arrangement to be used when drilling oil/gas wells, especially deep water wells, and the invention gives instructions for how to utilise the riser pipe as part of a high pressure system together with the drilling pipe, namely in that the arrangement comprises a surface blowout preventer (SURBOP) which is connected to a high pressure riser pipe (SR) which in turn is connected to a well blowout preventer (SUBBOP), and a circulation/kill line (TL) communicating between said blowout preventers (SURBOP, SUBBOP), all of which being arranged as a high pressure system for deep water slim hole drilling. <IMAGE></p> |
