Hole angle should not exceed 15 degrees any where in the hole unless down hole geological conditions induce such deviation, such as acute fault intersections.

 
  • 井斜角在井眼任何地方不應超過(guò)15度,除非井下地質(zhì)條件引發(fā)了此種偏離,如嚴重的斷層交叉。
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