在天然氣工作環境中的儀表故障，可以根據儀表類型進行分析，具體如下：
（1）流量控製儀表故障分析
    流量控製儀表是(shi)天(tian)然(ran)氣(qi)流(liu)量(liang)計(ji)中(zhong)最(zui)常(chang)見(jian)的(de)儀(yi)表(biao)
，使(shi)用(yong)量(liang)比(bi)較(jiao)大(da)，因(yin)此(ci)相(xiang)對(dui)來(lai)說(shuo)，流(liu)量(liang)控(kong)製(zhi)儀(yi)表(biao)發(fa)生(sheng)故(gu)障(zhang)的(de)幾(ji)率(lv)和(he)現(xian)象(xiang)也(ye)比(bi)其(qi)他(ta)儀(yi)表(biao)複(fu)雜(za)。排(pai)查(zha)故(gu)障(zhang)需(xu)要(yao)以(yi)下(xia)幾(ji)個(ge)步(bu)驟(zhou)
，首(shou)先(xian)需(xu)要(yao)對(dui)現(xian)場(chang)的(de)儀(yi)表(biao)進(jin)行(xing)排(pai)查(zha)。前(qian)提(ti)是(shi)要(yao)保(bao)證(zheng)流(liu)量(liang)控(kong)製(zhi)儀(yi)表(biao)指(zhi)示(shi)值(zhi)達(da)到(dao)最(zui)小(xiao)值(zhi)
，通(tong)過(guo)檢(jian)查(zha)調(tiao)節(jie)閥(fa)開(kai)度(du)來(lai)確(que)定(ding)故(gu)障(zhang)所(suo)在(zai)位(wei)置(zhi)。如(ru)果(guo)調(tiao)節(jie)閥(fa)開(kai)度(du)正(zheng)常(chang)，檢(jian)測(ce)儀(yi)表(biao)的(de)指(zhi)示(shi)值(zhi)仍(reng)然(ran)是(shi)最(zui)小(xiao)值(zhi)

，則(ze)說(shuo)明(ming)故(gu)障(zhang)原(yuan)因(yin)是(shi)在(zai)其(qi)他(ta)環(huan)節(jie)中(zhong)，例(li)如(ru)，係(xi)統(tong)壓(ya)力(li)不(bu)夠(gou)、係統管路堵塞、泵不上量
、介質結晶、操cao作zuo不bu當dang等deng。其qi次ci


，要yao確que定ding檢jian測ce儀yi表biao自zi身shen的de故gu障zhang。如ru果guo機ji械xie式shi流liu量liang計ji齒chi輪lun卡ka死si或huo者zhe差cha壓ya變bian送song器qi正zheng壓ya室shi泄xie漏lou等deng問wen題ti出chu現xian時shi，就jiu表biao示shi是shi檢jian測ce儀yi表biao自zi身shen的de故gu障zhang
；如ru果guo以yi上shang沒mei有you問wen題ti，則ze需xu要yao觀guan察cha流liu量liang控kong製zhi儀yi表biao和he檢jian測ce儀yi表biao的de指zhi示shi值zhi
，若ruo出chu現xian指zhi示shi值zhi最zui大da，就jiu需xu要yao考kao慮lv故gu障zhang是shi否fou源yuan於yu工gong藝yi操cao作zuo
，可ke以yi通tong過guo手shou動dong控kong製zhi調tiao節jie閥fa來lai通tong過guo流liu量liang變bian化hua來lai確que定ding。
（2）溫度控製儀表故障分析
    溫度控製儀表大多數采用電動儀表實現控製測量、以(yi)及(ji)指(zhi)示(shi)。電(dian)動(dong)儀(yi)表(biao)在(zai)實(shi)際(ji)測(ce)量(liang)時(shi)

，通(tong)常(chang)會(hui)在(zai)時(shi)間(jian)上(shang)有(you)明(ming)顯(xian)滯(zhi)後(hou)性(xing)，因(yin)此(ci)，我(wo)們(men)可(ke)用(yong)利(li)用(yong)電(dian)動(dong)儀(yi)表(biao)這(zhe)一(yi)特(te)殊(shu)傳(chuan)輸(shu)特(te)性(xing)，如(ru)果(guo)它(ta)的(de)測(ce)量(liang)值(zhi)突(tu)然(ran)出(chu)現(xian)較(jiao)大(da)的(de)波(bo)動(dong)或(huo)者(zhe)顯(xian)示(shi)出(chu)極(ji)值(zhi)，就(jiu)標(biao)誌(zhi)著(zhe)電(dian)動(dong)儀(yi)表(biao)可(ke)能(neng)出(chu)現(xian)故(gu)障(zhang)。尤(you)其(qi)是(shi)在(zai)一(yi)些(xie)油(you)氣(qi)田(tian)生(sheng)產(chan)工(gong)作(zuo)環(huan)境(jing)中(zhong)
，通(tong)常(chang)溫(wen)度(du)穩(wen)定(ding)
，如(ru)果(guo)突(tu)然(ran)出(chu)現(xian)較(jiao)大(da)的(de)波(bo)動(dong)或(huo)者(zhe)顯(xian)示(shi)出(chu)極(ji)值(zhi)
，首(shou)先(xian)要(yao)對(dui)熱電偶、熱電阻、補償導線斷線或變送器放大器失靈等故障狀況進行排查，確定故障位置
；其次，當排除這些故障因素以後
，還應該確認人員操作是否正確，相關參數設置是否存在失誤；最後
，重點考慮儀表控製係統本身是否出現故障。
（3）壓力控製儀表故障分析
    壓力控製儀表changjiandeguzhangxianxiangbijiaojiandan，tongchangdebiaoxianyouliangzhong
，diyizhongweichuxiansixian。chuxiansixiandeguzhangdaduoshuhuijizhongzaiyaliceliangxitongzhong。zhenduizhezhongqingkuang
，shouxianyinggaijianzhaceliangyinyadaoguanxitongshifouduzhu，erhouyingdangkaochayalibiansongqishuchuxitongyouwubianhua。dierzhongweiyibiaoshizhichuxiankuaisuzhendangbodong。duiyuzhezhongguzhang
，zhuyaoshijianzhayibiaodegongyicaozuoshifoufashenglebianhua，qicikaolvPID參數是否存在不適用的情況。
（4）液位控製儀表故障分析
    對於液位控製儀表係(xi)統(tong)發(fa)生(sheng)故(gu)障(zhang)的(de)檢(jian)測(ce)
，應(ying)該(gai)從(cong)以(yi)下(xia)兩(liang)個(ge)方(fang)麵(mian)入(ru)手(shou)，一(yi)是(shi)要(yao)檢(jian)查(zha)檢(jian)測(ce)儀(yi)表(biao)自(zi)身(shen)是(shi)否(fou)存(cun)在(zai)故(gu)障(zhang)。如(ru)果(guo)檢(jian)測(ce)儀(yi)表(biao)一(yi)切(qie)正(zheng)常(chang)

，我(wo)們(men)則(ze)需(xu)要(yao)考(kao)慮(lv)故(gu)障(zhang)是(shi)否(fou)為(wei)工(gong)藝(yi)故(gu)障(zhang)。主(zhu)要(yao)通(tong)過(guo)手(shou)動(dong)控(kong)製(zhi)的(de)方(fang)式(shi)來(lai)查(zha)看(kan)狀(zhuang)況(kuang)，如(ru)果(guo)手(shou)動(dong)控(kong)製(zhi)仍(reng)然(ran)無(wu)法(fa)穩(wen)定(ding)液(ye)位(wei)，則(ze)應(ying)當(dang)確(que)認(ren)為(wei)工(gong)藝(yi)故(gu)障(zhang)。二(er)是(shi)要(yao)檢(jian)查(zha)液(ye)位(wei)控(kong)製(zhi)儀(yi)表(biao)係(xi)統(tong)。如(ru)果(guo)液(ye)位(wei)控(kong)製(zhi)係(xi)統(tong)和(he)現(xian)場(chang)直(zhi)讀(du)式(shi)指(zhi)示(shi)儀(yi)表(biao)不(bu)一(yi)致(zhi)，首(shou)先(xian)需(xu)要(yao)考(kao)慮(lv)現(xian)場(chang)儀(yi)表(biao)是(shi)否(fou)正(zheng)常(chang)。如(ru)果(guo)一(yi)切(qie)正(zheng)常(chang)，則(ze)應(ying)該(gai)對(dui)液(ye)位(wei)控(kong)製(zhi)儀(yi)表(biao)係(xi)統(tong)中(zhong)的(de)負(fu)壓(ya)導(dao)壓(ya)管(guan)封(feng)液(ye)進(jin)行(xing)檢(jian)查(zha)，確(que)認(ren)是(shi)否(fou)存(cun)在(zai)滲(shen)漏(lou)現(xian)象(xiang)。當(dang)出(chu)現(xian)液(ye)位(wei)控(kong)製(zhi)儀(yi)表(biao)係(xi)統(tong)的(de)指(zhi)示(shi)值(zhi)嚴(yan)重(zhong)波(bo)動(dong)的(de)情(qing)況(kuang)時(shi)，我(wo)們(men)需(xu)要(yao)及(ji)時(shi)找(zhao)出(chu)故(gu)障(zhang)發(fa)生(sheng)原(yuan)因(yin)。首(shou)先(xian)要(yao)對(dui)液(ye)麵(mian)控(kong)製(zhi)對(dui)象(xiang)容(rong)量(liang)大(da)小(xiao)進(jin)行(xing)分(fen)析(xi)
，同(tong)時(shi)還(hai)要(yao)根(gen)據(ju)現(xian)場(chang)的(de)實(shi)際(ji)情(qing)況(kuang)對(dui)儀(yi)表(biao)的(de)負(fu)遷(qian)移(yi)量(liang)進(jin)行(xing)確(que)認(ren)，以(yi)便(bian)於(yu)找(zhao)出(chu)發(fa)生(sheng)故(gu)障(zhang)的(de)原(yuan)因(yin)到(dao)底(di)是(shi)儀(yi)表(biao)故(gu)障(zhang)還(hai)是(shi)工(gong)藝(yi)引(yin)發(fa)，區(qu)分(fen)對(dui)待(dai)，合(he)理(li)排(pai)除(chu)。
    在zai天tian然ran氣qi工gong業ye的de生sheng產chan和he流liu通tong的de過guo程cheng中zhong，儀yi表biao對dui於yu天tian然ran氣qi的de安an全quan生sheng產chan和he運yun輸shu起qi著zhe至zhi關guan重zhong要yao的de保bao駕jia作zuo用yong，直zhi接jie關guan係xi到dao社she會hui經jing濟ji的de發fa展zhan。文wen章zhang針zhen對dui天tian然ran氣qi工gong作zuo環huan境jing中zhong的de儀yi表biao工gong作zuo展zhan開kai了le必bi要yao的de分fen析xi，並bing總zong結jie了le儀yi表biao常chang見jian故gu障zhang以yi及ji成cheng因yin，具ju有you一yi定ding的de指zhi導dao意yi義yi。