Abstract:Primary cementing across the Williston basin Mission Canyon formation, a depleted zone with a low fracture gradient, can require alternative cementing techniques to achieve reduced equivalent circulating density (ECD) to minimize losses during cement placement. Achieving top of cement in this zone is challenging, and has historically required some form of remedial cementing. Some solutions have been foamed and two-stage cementing techniques; however, these techniques can be operationally complex.
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