Well integrity
Well integrity challenges on the NCSChallenges are related to increasing complexity in the wells, with greater requirements related to technology and competence.
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Well barriers are to prevent unintended influx (kick), cross-flow and outflow to the external environment.
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Drilling and well operations represent a substantial potential hazard and are a big contributor to the overall risk of major accidents on the Norwegian continental shelf.
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Status and signals - Well integrity
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Deepwater Horizon disaster: Focus areas for the PSA after Salazar report
The Petroleum Safety Authority Norway (PSA) has now established a framework for reviewing US government findings on the Deepwater Horizon accident with an eye to possible consequences for Norway.Read more -
PSA seeks status report on all injection wells for cuttings
The Petroleum Safety Authority Norway (PSA) has told all operators on the Norwegian continental shelf with wells for injecting drill cuttings to report on their safety status. This demand follows conclusions drawn by Statoil after completing an investigation into a leak from a well of this kind on the Veslefrikk field in the North Sea.Read more -
Drilling: Extended problems
Recent research at the University of Stavanger and elsewhere shows that drilling costs have exploded on the NCS in recent years, and that the work is taking much longer. Scientists point to a number of factors, including more use of long wells.Read more -
A driller's complex working day - report available in English
Every day, the driller manages safety-critical operations on the drill floor, and is a key person in the work to prevent serious accidents. One-third of the drillers feel that they rarely have an opportunity to update their professional skills, and about one-half feel that they have too many simultaneous tasks in their daily work. These are some of the results from a questionnaire survey about the driller's working day. The report is available in EnglishRead more