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Case Study

9-⅝” TURBOCASER REAMS 707 FT IN 33 HOURS

The Background

  • An ERD well located oshore in Abu Dhabi with 10,000 ft 12¼” hole section
  • Setting casing deeper was required to eliminate the need for an intermediate liner
  • Challenging environment with soft, unstable formations and high inclination
  • Well sidetracked on four occasions, one lost BHA and many stuck pipe-events

The Result

  • Drilling reached target depth on fourth sidetrack with great difficulty
  • 10,000 ft of 9⅝” casing was run into tis extremely challenging hole
  • 9⅝” TurboCaser deployed to enhance chances of successfully landing at target depth first time.
  • The tool operated through many tight spots for a total of 700 ft casing and landed at target depth first time in 33 hours, a 98% reduction in time, saving the operator $13,700,000
  • Successful cementing and drill out with a tri-cone bit was achieved in 1.5 hrs