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Large-Scale Hydraulic Fracturing in a Frontier Area in China (SPE 77680)


Initial fracs in this 0.05 md gas sand did not produce adequate rates to justify field development.  Refracs have provided 4-15 times higher production rates, using up to 700,000 lbs of higher quality ceramic proppant at concentrations up to 8 ppg.


Four large-scale hydraulic fracturing treatments have been successfully conducted in a tight sand gas reservoir in Sichuan, China ranging from 300,000 to 700,000 lbs of proppant per well. Production of gas has been significantly enhanced. Previous hydraulic fracture operations conducted by both western service companies and Chinese Oil Companies did not meet the expected production rate to develop the field. This paper will focus on how the engineering challenges were identified and the designs implemented.

Author(s): L. Jin, Burlington Resources Inc.; D. Veltri, Yuma Exploration & Production Co.; D. Krause, T. Weller, Burlington Resources Inc.

Paper Number: SPE 77680

URL: https://www.onepetro.org/conference-paper/SPE-77680-MS


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