OALib Journal期刊
ISSN: 2333-9721
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amt法在黔东北岑巩地区的页岩气勘探试验
Keywords: amt法,黔东北,牛蹄塘组,有机碳,页岩气,地化分析,富集指标
Abstract:
?页岩气常见于泥岩、高碳泥岩、页岩及粉砂质岩类夹层中,而储气地层相对于围岩电阻率普遍较低,页岩气的富集指标取决于储气地层有机碳含量、成熟度、干酪根类型、生烃率、埋深和裂缝等,故以先寻找低阻层再进行页岩气富集指标测试的找气思路具有一定可行性。本次试验选择在黔东北岑巩地区开展音频大地电磁(amt)勘探,确定了两套可能储气的低阻目标层,结合前人在该区的地化分析结果统计出牛蹄塘组页岩地层的技术指标参数,确定了变马冲组下部及牛蹄塘组为主要生气储气地层,前者富集规模较小,后者富集规模较大。w-2井的钻探结果验证了大地电磁法勘探加岩石样品地化分析的组合手段可以以较高的分辨率确定页岩气富集地层的埋深及厚度。
References
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|
[15] | zhangliya,liyanxia,lijinghongetal.accumulationconditionsforshalegasandit'sfutureexplorationofsilurianinthecentral-upperyangtzeregion.geologicalscienceandtechnologyinformation,2011,36(6):90-93.
|
[16] | 刘振武,撒利明,杨晓等.页岩气勘探开发对地球物理技术的需求[j].石油地球物理勘探.2011,46(5):810-818??浏览
|
[17] | liuzhenwu,saliming,yangxiaoetal.needsofgeophysicaltechnologiesforshalegasexploration[j].ogp.2011,46(5):810-818??浏览
|
[18] | 许杰,何治亮,董宁等.含气页岩有机碳含量地球物理预测[j].石油地球物理勘探.2013,48(增刊1):64-68??浏览
|
[19] | 杨剑,易发成,钱壮志.黔北下寒武统黑色岩系古地温及其指示意义.矿物学报,2009,29(1):87-94.
|
[20] | yangjian,yifacheng,qianzhuangzhi.studyofpaleotemperatureofthelowercambrianblackshaleserieaandtheirimplicattionsinnorthernguizhouprovince.actamineralogicasinica,2009,29(1):87-94.
|
[21] | zhouqi,yanjiaxin,zhangmingqiao.calcareoustempestitefromthecambrianqingxudongformationinnortheasternguizhouprovinceandtheirgeologicalimplications.geologicalscienceandtechnologyinformation,2006,25(2):25-28.
|
[22] | bauluzbandsublasi.coexistenceofpyrophyllite,i-s,r1andnh4-richilliteinsilurianblackshales(sierradealbarracn,nespain):metamorphicvs[j].hydrothermalorigin.clayminerals.2010,45:383-392
|
[23] | norelisdrandphilprp.geochemicalcharacterizationofgasesfromthemississippianbarnettshale,forworthbasin,taxas[j].aapgbulletin.2010,94(11):1641-1656
|
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