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EC-Drill® Dual MPD Influx Management

EC-Drill® Dual MPD system safely circulating out influx with zero operating margin in Deepwater well

 

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  • CHALLENGE: Safely circulating out an influx in a Deepwater well with zero operating margin. Influx management in Deepwater wells are challenging. In addition to narrow operating windows the friction from the long Chokeline makes it difficult to circulate out the influx, while other well control methods are time consuming.

  • SOLUTION:  EC-Drill® Dual MPD combines the two MPD methods CML and SBP. Added to the original EC-Drill® system is a Dual Annular placed in the riser above the outlet to the Subsea Pump Module (SPM), and MPD chokes on the surface.

  • RESULTS: While utilizing the Dual Gradient effect generated by the EC-Drill® system to drill in a zero operating window an influx occurred. The instant kick detection system enabled rapid reaction and the system was able to safely manage the influx without losses, using the SPM as controller.

     

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Casestudy_EC-Drill® Dual MPD Influx Management