Directional drilling logos4/29/2023 The surveying program will generally be specified in the drilling program. Whilst drilling the long tangential section of the well, surveys may only be required every 120′. These surveys will be taken at very close intervals (30’) in the critical sections (e.g. This is done by surveying the position of the well at regular intervals. When drilling a directional well, the actual trajectory of the well must be regularly checked to ensure that it is in agreement with the planned trajectory.
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