دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a directional well that reaches an inclination of 90 degree

for a strict definition, a 90o deviated well. Actually the well covers a range of “highly” deviated wells (80o to >90o). In the strictest terms, the deviation is measured as 90o from vertical, but tilting bedding planes may make the deviation to the beddi