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使用核磁共振测井表征流体特性

发布日期:2018-09-21 作者: 点击:

90NIANDAIQIANQIYINRULEMAICHONGHECIGONGZHEN(NMR)CEJINGYI,YONGYUDIANPINGYOUZANG。CHUQIDESHIYONGYITUSHIGONGJIZHONGYAODEYANSHITEXINGCANSHU:(1)YUYANXINGWUGUANDEZONGKONGXIDU;(2)ZIZAIHESHUFULIUTIKONGXIDU;(3)JINTOULV。XIANJINDENMRLIUTIBIAOZHENGBANFACHULEYANSHITEXINGCANSHUWAI,HAIGONGJILIUTILEIXING(YOU、QIHEYANSHUI)、CHONGSHUADAIBAOMANDUHEYUANYOUZHANDU。YAODIAOCHANMRXINHAO,SHOUYAOYONGJINGCICHANGCIHUADICENGLIUTI。NMRCEJINGYIZHUANGYOUQIANGLIDEYONGJIUCITIE,ZAIJINGYANZHOUWEIYANCENGZHONGSHULICICHANG。ZAICHONGYIYANSHIKONGXIKONGJIANDEYOU、QIHEYANSHUIZHONGSUOHANDEQINGHEYOURUWEIGUANCITIE,QINGHEDECIJUYANWAIJIACICHANGDEFANGXIANGBAIFANG,ZAIDICENGZHONGGOUCHENGZUCHENGCIHUAHUOJIHUA。QINGHEYANWAIJIACICHANGFANGXIANG(CHENGWEIZHOUXIANG)BAIFANGSUOXUDESHIKEYOUZHOUXIANGCHIYUSHIKET1BIAOZHENG,SHIJISHANG,MIAOHUICIHUAJINCHENGXUQIUT1SANBU。GAISANBUFANYINGYUANYOUDEZALUANZUFENHEDUIJIYANZHONGKONGXIKONGJINGDESANBU。GUANYUYUANYOU,T1SANBUDEDUISHUPINGJUNZHIYUZHANDUCHENGFANBI,NENGGOUCONGZHONGYOUDEJIGEHAOMIAOGAIDONGDAODIZHANDUYOUDEJIMIAO。FEICHAOSHIXIANGDET1DENGYUQILIUTIDET1SHUZHI,GUANYUCHAOSHIXIANG,LIUTIDET1YINWEILIUTIFENZIHEKONGXIWAIBIAODEXIANGHUXIAOGUOERSUODUAN。GUANYUSHUIBAOMANDEYANSHI,WAIBIAOXIANGHUXIAOGUOTONGCHANGSHISHOUYAODE,KEYIJUT1DESANBUYUSUANKONGJINGSANBU。QINGHEBAOLUYUJINGCICHANGDESHIKECHENGZUOJIHUASHIKEHUODENGHOUSHIKE,ZAIDENGHOUSHIKEZHIQIAN,QINGHESUIJIQUXIANG,DICENGZHONGDEZUCHENGCIHUAQIANGDUWEILING。ZAIDENGHOUSHIKENEI,HECIHUAQIANGDUCHAOZHEQIPINGHENGZHI(Mo)CHENGZHISHUTIANJIA。KONGXIDUJILIUTIDELEIXINGHETIJIJUEYIMo。SANBEIZUIZHANGT1DEDENGHOUSHIKEFAZUO95%DEMo。DENGHOUSHIKEGUODUAN,NMRDEZONGKONGXIDUJIANGQINGSHIDICENGKONGXIDU。GUANYUHANDIZHANDUYOUHUOQI(JIZHANGT1DELIUTI)DEDICENG,DENGHOUSHIKEZHANG,XUQIUXIAJIANGCEJINGSUDU。ZAIJIHUASHIKEZHIHOU,WAIJIAYICHUANSHEPIN(RF)MAICHONG。ZAIRFMAICHONGZHIJIANYONGFASHEMAICHONGDETONGYIGETIANXIANJIZAINMRXINHAO,ZAIMEIYIDUIXIANGLINMAICHONGZHIJIANDIAOCHADAODENMRXINHAOCHENGZUOYIGEHUIBO,ZAIMAICHONGZHIJIANZHONGDIANZENGGAODAOZUIDAZHI,BIRENYIGEMAICHONGZHIQIANSHUAIJIAN。ZAIDIANXINGNMRZHANGLIANGZHONG,DAYUE1sNEISHOUJIJIQIANGEHUIBO。HUIBOQIFUZHENGBIYUHENGJIEMIAN(HENGJIEJINGCICHANG)SHANGDEZUCHENGCIHUAQIANGDU,ZAIZHANGLIANGJINCHENGSHUAIJIAN。HENGXIANGCIHUAQIANGDUGONGJIGUANYULIUTIHEHUANJINGDEYOUYONGXINXI。NMRXINHAODESHUAIJIANLVKEYONGSHUAIJIANSHIKEDESANBUMIAOHUI,CHENGWEIHENGXIANGCHIYUSHIKET2。TONGCHANGJIANGZHANGLIANGDENMRXINHAONIHEYUE30GESHUAIJIANDANZHISHUXINHAODEHE,MEIGEXINHAODEQIFUWEIA(T2),XIANGGUANDESHUAIJIANSHIKEWEIT2。

测量农业用井

合进程选用反演的数学办法,起伏A(T2)是反演程序的输出,A(T2)和T2的半对数图是T2散布。T2散布曲线下的面积正比于总孔隙度。关于水饱满的岩石,T2散布曲线还可定性地与孔径散布相关。经过断定恰当的T2截止值,T2散布曲线可划分为束缚水和自在水部分。T2数值可从小于1ms到几千毫秒。堆积岩中衰减时刻宽广的规模是因为孔径的广泛散布。对原油,T2散布反映了原油大分子的组成。测量农业用井散布曲线上的每个T2反比于特定组成分子的微观组分粘度。原油T2散布曲线上较长的T2对应于来自可动分子的信号,而短的T2与来自较大分子的信号相关。能够依据原油T2散布曲线的对数平均值,使用经历断定的联络核算丈量的宏观原油粘度。关于中等和高粘度原油,原油的T2散布可从小于1ms到几百毫秒,这是因为原油中不同巨细分子的广泛散布。低粘度原油的粘度为几个厘泊或更低,衰减时刻散布较窄。在部分饱满的岩石中,盐水和原油的T2散布一般重叠,这意味着丈量的T2散布曲线不能总是用来区别油和盐水的信号,对T1散布也相同。原油和盐水的分子分散系数常显着不同,能够用来区别这两种流体的NMR信号。

脱兔电竞FENZIFENSANSHIFENZIDESUIJIREYUNDONG,FENZIFENSANCHANGSHUJUEYIFENZIDANWEISHIKENEIYIDONGDEJUNFANGJIANGE。QIHESHUIFENZIDEFENSANKEJINGGUODANGEFENZIDEFENSANCHANGSHULAIMIAOHUI。ERYUANYOUDEFENZIFENSANXISHUDESANBUFANYINGFENZICHIDUDEXIANGYIXING。XIAOHEQINGDEFENZIXIANGJIAWANHEYIWANZAIQITAIXIAXIANGDUIKEDONG,QIFENZIFENSANXISHUBISHUIFENZIYIBANDAYIGESHULIANGJI。YUZHIXIANGBI,ZHONGDENGHEGAOZHANDUYUANYOUDEFENZIFENSANXISHUBISHUIXIAODEDUO。JINGGUOSHIYONGDUIFENSANLINGMINDETEBIEGUIHUADENMRZHANGLIANG,YUNYONGDICENGLIUTIDEFENZIFENSANXISHU。NMRSHUJUJINGGUOPOUXIKEGONGJIYOU、QIHEYANSHUIDEBAOMANDU。ZAICHONGYILIUTIDEYANSHIZHONG,YOUSANZHONGJILIYUZONGDEHENGXIANGCHIYUSHIKET2YOUGUAN:(1)TIJICHIYU;(2)CHAOSHIXIANGLIUTIDEWAIBIAOCHIYU;(3)XINHAODEFENSANCHIYU(JISHUAIJIAN)。

脱兔电竞TIJIHEWAIBIAOCHIYUSULVYURFMAICHONGDEJULI(TE)WUGUAN,ERFENSANSHUAIJIANLVZHENGBIYUDxTE2,SHIZHONGDSHILIUTIFENZIDEFENZIFENSANCHANGSHU,MAICHONGJULITESHINMRCEJINGYIDESHOUJICANSHU,DUIMEICIZHANGLIANGNENGGOUGAIDONG。JINGGUOSHOUJIBUTONGMAICHONGJULIDEZHANGLIANGZHI,DICENGZHONGYOU、QIHEYANSHUIDEXINHAOYIBUTONGDESULVSHUAIJIAN,ZHEISHIYINWEIQIFENZIFENSANXISHUBUTONG。GUANYUFEICHANGDUANDEHUIBOJULI,FENSANSHUAIJIANKEHULVEBUJI,YOUHESHUIDEXINHAOBUNENGYIJUSHUAIJIANSULVQUBIE,DANGMAICHONGJULITIANJIA,YINWEISHUIDEFENSANXISHUBIYOUDA,DENGYUYOUDE10BEI,YANSHUIXINHAODESHUAIJIANBIYOUXINHAOKUAIDEDUO。YIKAIXUANBUDUANDINGYOU、QIHESHUIBAOMANDUDEDUOLIUTICHIYUMOXINGHEFENSANBIANMASHUJUDEFANYANJINENG。HECIGONGZHENLIUTIBIAOZHENGFADESHOUYAOBUFENSHIFENSANSULVHETIJICHIYUSULVZHIJIANDELIANLUO。ZHONGYAODESHIYAORENSHIDAO,ZHEIXIELIANLUOSHIYIJUJINGLILIANLUODECHUDE。GENGDUODEYINGZHANCHUZIYOUJINIJIANGJINGHEYOUHENDUOTIANRANQICUNZAIDEZHUANGKUANG。YINWEINMRZHANGLIANGDEKANTANSHENDUZHIYOUJIYINGCUN,NENGGOUYUJIYOUJINIJIANGLVYEHESHENGYUYOUQIJIGONGSHENGSHUIDUINMRHUYINGYOUFENGXIAN。YINWEIYOUJILVYEYESHITINGLEI,KEYUDICENGYUANYOULIUTIHUNHE,BINGGOUCHENGXINDEHUNHEWU,DUICI,NMRDEHUYINGBUTONGYUDUIDUZILIUTIDEHUYING。LINGYIZHONGZHUANGKUANGSHIQINRUJINCHENGZHONGWEIFAZUOXIANZHEDEHUNHE,SUOYILVYEHEYUANYOULIUTIDUINMRZHANGLIANGDEFENGXIANNENGGOUBIELIBIANREN。CELIANGNONGYEYONGJINGDANGYOUYOULIQIHUOGAOYOUQIBI,ZHUANGKUANGJINYIBUZALUANHUA,YINWEIQIKENENGRONGJIEYULVYEZHONG,GAIDONGLVYEDENMRHUYING。DANWANXIDESHI,HAIBUXINGNENGYUCEZAILVYEQINRUJINCHENGZHONGZHEIXIELIUTISHIZENYANGXIANGHUXIAOGUODE。YIKAIXUANBUYIZHONGXINYINGDEGUANYUZHEIXIEZALUANDUOLIUTIHUANJINGXIAODUIDEBANFA。GAIXINBANFABAOHANYIZHAOCHIYUSHIKEHEFENZIFENSANSULVERWEISANBU,POUXINMRSHUJU。FAZUOERWEISANBUDESHUXUEFANYANLEISIYUPUTONGDET2FANYAN。GAIFANYANYIJUDANHUIBOSHUAIJIANDECHUT2SANBUQUXIAN。BUTONGYUSHIYONGYICINMRZHANGLIANGZHI,ERWEIFANYANYIQIPOUXIYOUBUTONGTEDELVCINMRZHANGLIANGZHI。ERWEISANBUYIBANXIANXIANWEIWUYANLIUSEDENGZHIXIANTU,CHENGWEID-T2TU。WEILEXIEZHUTUDEJIESHUO,CHANGYONGZHONGDIEFAZHISHISHUI、YOUHEQIDEBAOFUDEHUYING。


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关键词:测量农业用井

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