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Abstract

The oil reservoirs in the Changqing Oilfield consist of stacked sand/shale deposits, and the majority of the target zones have a<br>permeability of 0.05-0.3mD. All oil wells completed in tight reservoirs from the Changqing Oilfield require fracture<br>stimulation to achieve commercial production and to improve well productivity. Fracture stimulation is also very common for<br>water injection wells to enhance injectivity.

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/content/papers/10.3997/2214-4609-pdb.148.iptc12303
2008-12-03
2024-03-28
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609-pdb.148.iptc12303
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