Carbonate Reservoirs
Carbonate reservoirs contain vast amount of hydrocarbons and are among the most complex reservoirs to characterize, model, and manage. Associated uncertainties include the fracture network within the wellbore, the fluid flow including water influx from fractures and super-permeable formations.
Weatherford’s Carbonate Reservoir Drainage (CARD) system maximizes reservoir recovery and sweep efficiency by minimizing water production from high-permeability fractures and super-permeable zones, which tend to dominate a well’s hydrocarbon production and suppress the contribution of low-permeability zones. The CARD system uses Weatherford’s
FloReg™ inflow control device (ICD), short screen sections (strainers), and swell-packer technology to reduce water production and equalize the inflow profile along a well. The system prevents annular flow by evenly distributing the flow along the production string.
In addition, Weatherford’s
ECL™ expandable completion liners stabilize the borehole and provide for zonal isolation, selective treatment and greater inflow area, granting an efficient and cost-effective alternative to conventional approaches.
To read our application summaries how we’ve applied our technology to carbonate reservoirs, click
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