| 海城、唐山两大地震前后油井生产动态的变化 |
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| 引用本文： | 吴起林, 刘安建. 1983: 海城、唐山两大地震前后油井生产动态的变化. 地震学报, 5(4): 461-466. |
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| 作者姓名： | 吴起林 刘安建 |
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| 作者单位： | 辽河石油勘探局兴隆台采油指挥部 |
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| 摘 要： | 地震孕育过程可能会影响毗邻震源区的油田,并在其油井的生产动态中有所反映或出现异常.而油井生产过程中产量、压力的变化均受人为因素的影响和控制.只要排除干扰,就可能发现油井动态异常与地震的关系.动态异常主要表现在能量增加、抽油变自喷产液量突增,实质上反映了地震孕育过程中应力积累导致的孔隙液压的变化.如能合理布设深井,长期观测孔隙液压的变化,用来预报地震是有希望的.
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ANOMALOUS VARIATIONS IN PRODUCTION OIL WELLS BEFORE AND AFTER THE GREAT HAICHENG AND TANGSHAN EARTHQUAKES |
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| WU QILIN, LIU ANJIAN=. 1983: ANOMALOUS VARIATIONS IN PRODUCTION OIL WELLS BEFORE AND AFTER THE GREAT HAICHENG AND TANGSHAN EARTHQUAKES. Acta Seismologica Sinica, 5(4): 461-466. |
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| Authors: | WU QILIN LIU ANJIAN= |
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| Affiliation: | Liaoning Oil Prospecting Bureau |
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| Abstract: | The process of development of an earthquake may influence the oil wells neighbouring the epicentral region. It is reflected by anomalous variation of oil production. However, quantity of oil production and well pressure are greatly controlled by man-made factors. By eliminating those factors, one may be able to reveal the relation of anomalous variations in oil wells and the occurrence of earthquaks.Anomalous phenomena in production wells are chiefly expressed as change from pumping to flowing wells and the sudden increase of quantity of oil production. This may signify the accumulation of stress in the earthquake generating regions causing change of pore pressure in the wells. If deep oil wells are located properly and the change of pore pressure is constantly observed and recorded, the phenomena might be observed as earthquake precursors. |
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