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Optimization of Acid Fracturing Design in Yubei Fractured Reservoir

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Abstract:

This paper recommends the application of acidic fracturing technology for horizontal wells in Yubei region basing on its fractured reservoir’s characteristics, and the numerical simulation method is used to optimize the parameters of acidic fracturing. According to the results of optimization, the proper acid system is selected, and the construction parameters of acidic fracturing are optimized. According to the results of numerical simulation, we recommend the fracture half-length to be 120m, the fracture conductivity to be 30D.cm, and the fracture number to be 5. According to the properties of reservoir in Yubei region and the optimization results of fracture half-length and fracture conductivity, the alternative injection of crosslinked acid and ordinary gelled acid is recommend. The injection rate of crosslinked acid is 5m3/min, with volume 300m3. The injection rate of ordinary gelled acid is 6m3/min, with volume 300m3.

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Info:

Periodical:

Applied Mechanics and Materials (Volumes 580-583)

Pages:

2495-2501

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.580-583.2495

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Online since:

July 2014

Authors:

Li Yang Song*, Xiao Ru He, Ji Cheng Zhang

Keywords:

Acid Fracturing, Construction Parameter, Fracture Parameter

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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