AIR DRILLING HAS SOME PLUSES FOR HORIZONTAL WELLS

Richard S. Carden Grace, Shursen, Moore, & Associates Inc. Amarillo, Tex. Drilling horizontal wells with air as the circulating medium is not a common practice; however, air has some distinct advantages over drilling mud. They are: Significant increase in rate of penetration which leads to shorter drilling time Elimination of lost circulation problems, especially in areas of very low bottom hole pressures Continual drill stem test of potential producing formations Minimal damage to the

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