Summary

With time racing against a well that has been suspended for quite some time, what seemed impossible then, became possible with ThermaSet®. After several attempts, including eight cement jobs spanning a period of eight years, every attempt to restore well integrity was a dismal failure.

Below, you get more insight into this case. You may also download your free copy of the case study, which also includes details about how Wellcem solved a seemingly insurmountable challenge and most importantly - the results achieved for the major oil company.

The Challenge

Since the initial completion, several workovers have been performed, mainly for ESP replacement. The well was producing 3,121 bbls/day with 60% water cut when the ESP failed in May 2013. After several attempts, including eight cement jobs spanning a period of eight years, every attempt to restore well integrity was a dismal failure.

 


Why did they choose to cooperate with Wellcem?

Several workovers were performed over the years to repair a casing leak with cement without success. In August 2021, a new workover began to mill the metal skin, drill the bridge plug, and isolate existing perforations at lower zone with cement squeeze for further evaluation. Corrosion log and CBL/VDL logs were recorded, confirming leak depth, and identifying poor cement bond across the whole section. It was decided to run in hole a kill string and suspend the well to perform later rig-less PNC log and for further evaluation. Wellcem was chosen because of their experts and vast experience with restoring well integrity.

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Wellcem Case Study _Impossible made possible

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