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- 10 April 2007
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... think i can answer my own question there daz,.... 4-5" is a pretty decent size... just remembered when i used to work in holland they were installing 9 5/8" tubing on depleted wells (less than 300 bar at 3500m/11500ft depth) in the groningen field i.e. ready for high flow rates due to need for compression pressure boosting at surface... at 500bar 4-5" is a good size...