断层岩发生张性破裂所需压力预测及油田安全生产建议: 以秦皇岛33-1南和33-2油田明下段控藏断裂为例

付广; 刘哲; 胡光义; 范廷恩; 王超; 吕延防

doi:10.3799/dqkx.2014.115

Volume 39 Issue 9

Sep. 2014

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Article Navigation > Earth Science > 2014 > 39(9): 1333-1339

Fu Guang, Liu Zhe, Hu Guangyi, Fan Ting'en, Wang Chao, Lü Yanfang, 2014. Forecasting of Pressures Required in Tension Fracture of Fault Rock and Suggestions for Safe Production in Oilfield: An Example from Faults Controlling Oil Accumulation of N1m1 in Qinhuangdao 33-1S and Qinhuangdao 33-2 Oilfields. Earth Science, 39(9): 1333-1339. doi: 10.3799/dqkx.2014.115

Citation:

Fu Guang, Liu Zhe, Hu Guangyi, Fan Ting'en, Wang Chao, Lü Yanfang, 2014. Forecasting of Pressures Required in Tension Fracture of Fault Rock and Suggestions for Safe Production in Oilfield: An Example from Faults Controlling Oil Accumulation of N₁m₁ in Qinhuangdao 33-1S and Qinhuangdao 33-2 Oilfields. Earth Science, 39(9): 1333-1339. doi: 10.3799/dqkx.2014.115

Citation:

Fu Guang, Liu Zhe, Hu Guangyi, Fan Ting'en, Wang Chao, Lü Yanfang, 2014. Forecasting of Pressures Required in Tension Fracture of Fault Rock and Suggestions for Safe Production in Oilfield: An Example from Faults Controlling Oil Accumulation of N₁m₁ in Qinhuangdao 33-1S and Qinhuangdao 33-2 Oilfields. Earth Science, 39(9): 1333-1339. doi: 10.3799/dqkx.2014.115

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Forecasting of Pressures Required in Tension Fracture of Fault Rock and Suggestions for Safe Production in Oilfield: An Example from Faults Controlling Oil Accumulation of N₁m₁ in Qinhuangdao 33-1S and Qinhuangdao 33-2 Oilfields

doi: 10.3799/dqkx.2014.115

1.
College of Earth Sciences, Northeast Petroleum University, Daqing 163318, China
2.
Research Center of CNOOC, Beijing 100027, China

Received Date: 2013-12-25
Publish Date: 2014-09-01

Abstract

Abstract

To ensure safe production of Qinhuangdao 33-1S and 33-2 oilfields, based on the study of test of crushing resistance intensity and regional stress characteristics, a method forecasting pressure required in tension fracture of fault rock is proposed in this paper by using fault rock as a dip rock and contrasting between fault rock and surrounding rock. The new method is tried in forecasting pressures required in tension fracture of fault rock of faults controlling oil accumulation of N₁m₁ in Qinhuangdao 33-1S and Qinhuangdao 33-2 oilfields. Results indicate that pressures required in tension fracture of fault rock of faults controlling oil accumulation of N₁m₁ is 25.6-31.3 MPa, with the average value of 29.4 MPa. It is found that safe production can be guaranteed in Qinhuangdao 33-1S and Qinhuangdao 33-2 oilfields if water injecting pressure is smaller than 25.6-31.3 MPa after it is reduced from water injection well to fault. Otherwise, oil might escape to sea bottom from fault.
- fault rock,
- tension fracture,
- water injecting pressure,
- forecasting method,
- surrounding rock,
- Qinhuangdao oilfield

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References(23)

References

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Forecasting of Pressures Required in Tension Fracture of Fault Rock and Suggestions for Safe Production in Oilfield: An Example from Faults Controlling Oil Accumulation of N1m1 in Qinhuangdao 33-1S and Qinhuangdao 33-2 Oilfields

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Forecasting of Pressures Required in Tension Fracture of Fault Rock and Suggestions for Safe Production in Oilfield: An Example from Faults Controlling Oil Accumulation of N₁m₁ in Qinhuangdao 33-1S and Qinhuangdao 33-2 Oilfields