Enhanced recovery

Alaska North Slope Fracturing Campaign Provides Best Practices, Better Decisions

This paper reviews fracturing-program design, completion technology, real-time data collection, data integration, and lessons learned for the Pikka development on the North Slope of Alaska.

Frac experiments in tanks of ballistics gel using 3D printed wellbores with a pressurized slurry o ftempura paint to demonstrate the effect of poor diversion on hydraulic fractures.
Frac experiments in tanks of ballistics gel using 3D printed wellbores with a pressurized slurry o ftempura paint to demonstrate the effect of poor diversion on hydraulic fractures.
Source: SPE 227989.

The Nanushuk reservoir is the primary target for the new Pikka development on the North Slope of Alaska. Because of the challenging and environmentally sensitive terrain, Pikka Phase 1 wells are drilled from a single surface gravel pad. Hydraulic fracturing is the primary technology used to connect hundreds of feet of laminated reservoir to horizontal wells. The data collected from each fracture is analyzed for effect on well productivity, and key learnings from challenges encountered in the field are presented in the complete paper, with an emphasis on improved conductivity, diversion, fracture height, and screenout prevention.

Treatment Designs

The hydraulic fracturing design integrates a comprehensive set of parameters aimed at optimizing reservoir stimulation, selected to balance effective fracture geometry and conductivity with operational efficiency.

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