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| Keywords | |
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abnormal high pressure |
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carbonate |
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hydraulic fracture |
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fracture formation mode |
| Authors | |
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LI Nan |
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CHENG Lin-Song |
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LIAN Pei-Qing |
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CHENG Jia |
| PubMed | |
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Article by Li, N. |
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Article by Cheng, L. S. |
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Article by Lian, P. Q. |
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Article by Cheng, J. |
Cause of hydraulic fractures in carbonate reservoir with abnormal high pressure
LI Nan, CHENG Lin-Song, LIAN Pei-Qing, CHENG Jia
College of Petroleum Engineering��China University of Petroleum��Beijing 102200��China
The paper analyzed the potential formation reasons of hydraulic fractures based on the formation mechanism and conditions of fractures�� Taken an abnormal high pressure reservoir as example��the formation condition of hydraulic fractures are confirmed through theoretical research and analysis to tectonic evolution history�� The core photos showed there are existed fractures in this oil field which could be classified into three types: re-open fracture��extend fracture and new fracture�� All those fractures could greatly improve the seepage ability of reservoir and form high-yield reservoir��