地下气体运移机理及清水流量井水变蓝现象的解释
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摘要
甘肃省清水县07#流量井先后多次出现过水变蓝的现象。该井位于地热异常区,地下深部流体活动异常。本文通过清水流量井地质环境调查,从物理化学两个方面分析了地下气体的成因、储存及运移机理,并利用地下流体"气-液二相对流模式"快速运移机理,结合异常期间水质分析的结果,探讨了清水流量井水变蓝现象的原因,对今后地震地下流体前兆分析提供重要的理论依据。
There were many times the water in 7# well in Qingshui county of Gansu province,changed to blue colour.The well is located in the anomalous hot area,where deep fluid have abnormal activities.In this paper,the geological environment of the well is surveyed,the causes,storage and transport mechanism of underground gas are analyzed using physical and chemical methods.Meanwhile the causes of blue water phenomenon is explained by "The bubble migration mechanism",it would provide an important theoretical basis for analysing the earthquake precursor in future.
There were many times the water in 7# well in Qingshui county of Gansu province,changed to blue colour.The well is located in the anomalous hot area,where deep fluid have abnormal activities.In this paper,the geological environment of the well is surveyed,the causes,storage and transport mechanism of underground gas are analyzed using physical and chemical methods.Meanwhile the causes of blue water phenomenon is explained by "The bubble migration mechanism",it would provide an important theoretical basis for analysing the earthquake precursor in future.
引文
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[12]方银霞,初凤友.硫酸盐-甲烷界面与甲烷通量及下伏天然气水合物赋存的关系[J].海洋学研究,2007,25(11):1-9.
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[14]G Ciotoli,G Etiope.Migration of gas injected into a fault inlow-permeability Ground[J].Quarterly Journal of Engineer-ing Geology and Hydrogeology,2005,38:305-320.
[2]朱自强,陈华静,郑大林,等.地下流体宏观异常变化中气体作用初探[J].地震,2002,22(4):67-73.
[3]蔡仲琼,高德缓,紫丽曼,等.震前地下水中硫化氢气体的短临前兆特征[J].西北地震学报,1982,4(3):25-30.
[4]刘耀炜,张天中,等.强地震短期预测中数字化观测资料应用与前兆物理机理研究[M].北京:地震出版社,2007.
[5]张守训,李百祥.天水及其南北地区温泉分布的地质-地球物理特征[J].西北地震学报,2006,28(3):252-257.
[6]陈兰庆,钟心,吴永信.甘肃清水陇07#井井水变色的水文地球化学机理分析[J].西北地震学报,2005,27(3):278-281.
[7]Giuseppe Etiope.Methane and hydrogen sulfide seepage in thenorthwest Peloponnesus petroliferous basin(Greece):Originand geohazard[J].AAPG Bulletin,2005,90(5):701-703.
[8]高岗,刚文哲,等.碳酸盐烃源岩加水热模拟实验中二氧化碳成因讨论[J].石油实验地质,1995,17(3):210-214.
[9]杨晓勇,刘德良,等.无机成因二氧化碳气成藏研究[J].石油实验地质,2007,29(2):154-161.
[10]朱光有,张水昌,梁英波,等.四川盆地威远气田硫化氢的成因及其证据[J].科学通报,2006,51(23):2780-2788.
[11]许浩,汤达祯,魏国齐,等.川西北地区三叠系硫化氢分布及运移特征研究[J].石油实验地质,2007,29(1):78-81.
[12]方银霞,初凤友.硫酸盐-甲烷界面与甲烷通量及下伏天然气水合物赋存的关系[J].海洋学研究,2007,25(11):1-9.
[13]G Etiope.Migration of carrier and trace gases in the geo-sphere:an overview[J].Physics of the Earth and PlanetaryInteriors,2002,129:185-204.
[14]G Ciotoli,G Etiope.Migration of gas injected into a fault inlow-permeability Ground[J].Quarterly Journal of Engineer-ing Geology and Hydrogeology,2005,38:305-320.
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