CHI jing. Analysis and evaluation for oil zone washed by water[J]. Northwestern Geology, 2003, 36(3): 80-84.
Citation: |
CHI jing. Analysis and evaluation for oil zone washed by water[J]. Northwestern Geology, 2003, 36(3): 80-84.
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Analysis and evaluation for oil zone washed by water
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Drilling and Producing Oil Company of Yongning, Petroleum Administration Bureau of Yanchang Zhidan, Shaanxi 717500, China
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Abstract
It is well known that T3 Chang 2 oil zone exists widely in Ordos basin,they contain industrial oil and some water.The T3 Chang 2 of Zhouhe country of Zhidan county is very different from that of other regions: accor ding to chemical exploration and rock core and interpretation,the oil zone is good,but its out put is poor.Sands distribute widely in these oil well and its thickness is large.The article analyzes clearly the "three-good and one-poor" phenomenon.
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