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Ultra-High Conductivity Fracture Stimulations: A Case History (SPE 16222)


In the Morrow formation, large diameter frac sands were inadequate at 4500 psi closure stress.  An 8/12 ISP ceramic proppant was successfully placed at over 8 ppg.  Proppant fracturing increased well productivity between 2.4 and 4.2 fold from previous acid stimulations.  When bottomhole pressures are further reduced, solution gas evolves and liquid production is reduced, validating laboratory studies regarding pressure losses within multiphase systems.


Ultra-high sand concentration fracturing is taken one step further by achieving tremendous fracture conductivity with extra large proppants. The results of these fracture stimulations demonstrate that the Morrow Formation can be impregnated with very large proppants in high concentrations to achieve production improvements.

Author(s): B.G. Barby, Barby Energy Corp.; W.C. Barbee, Edinger Inc.

Paper Number: SPE 16222

URL: https://www.onepetro.org/conference-paper/SPE-16222-MS


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