TY  - SER
AU  - McLellan,W.
AU  - Hough,S.
AU  - Ferguson,M.
AU  - McKay,G.
AU  - Hough,S.
AU  - Ferguson,M.
AU  - McKay,G.
TI  - Harding field:North Sea success story: Part 4-Use of pressure while drilling optimizes the drilling process when understanding of downhole dynamics is limited or non-existent, or where circumstances are critical. Problems can be seen, understood, predicted and acted upon
ER  -