Tag Archives: Dry Air Drilling Procedures and Operating Considerations

Dry Air Drilling

Typically layout of an air drilling site

Dry Air Drilling Overview Dry air drilling is an old underbalanced drilling technique used primarily in environmentally sensitive areas to prevent formation contamination. A basic air drilling surface setup is shown in Figure 1. FIGURE 1 However, effective hole cleaning is a problem with standard air drilling. The drag force on …

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