Overview


Challenges
  • 30-year-old well with stuck completion assembly
  • Tension pull limits from the tubing condition
  • High potential for breakage due to compressional force
Results
  • Saved 24 hours in rig time
  • Performed multiple cuts in a single operation
Case study details

An operator with a 30-year-old well in the Marat formation in West Kuwait wanted to recover as much tubing as possible in order to have the lowest kickoff point for sidetracking a producing formation. The operator tried to set a whipstock at 13,300 ft (4054 m), but it failed because the string was stuck and the completion assembly couldn’t be pulled out. The completion string was completely stuck due to the accumulation of barite in the annulus between the tubing and the coal seam gas.

 

 

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