뗚21뻭뗚8웚뢯쪴폫럀뮤Vol121ꆡNo182000쓪8퓂CORROSION&PROTECTIONAugust2000뎤쟬폍쳯듔쪽뺮ퟩ쳗맜뗄틵벫놣뮤퇮좫낲ꆡ샮쟭캰ꆡ뫎훎커(훐맺쪯폍뎤쟬폍쳯릫쮾폍웸릤틕퇐뺿쯹ꆡ컷낲710021)햪ꆡ튪ꆡ룹뻝뎤쟬뺸낲폍쳯뷼쓪살87룶듔쪽뺮ퟩ365뿚폍쮮뺮뗄쳗맜틵벫놣뮤쪵볹,뷩짜쇋킱뺮쳗맜틵벫럀뢯쪴릤틕,첽쳖킱뺮쳵볾쿂닉폃뗧쇷뿘훆쪵쿖욽뫢뺮뿚뗧캻뗄랽램,좡뗃쇋뷏뫃뗄럀뮤킧맻ꆣ훷쳢듊ꆡ듔쪽뺮ꆡ쳗맜ꆡ틵벫놣뮤ꆡ놣뮤닎쫽APPLICATIONOFIMPRESSED2CURRENTCATHODICPROTECTIONTECHNOLOGYINCHANGQINGOILFIELDYangQuananꆡLiQiongweiꆡHeZhiwu(ResearchInstituteofOil&NaturalGasTechnics,ChinaPetroleumChangqingBranchCorporation,Xian710021)AbstractꆡInrecentyears,impressed2currentcathodicprotectiontechnologyhasbeenappliedtoprotectmultipledrillingwellspicasingcorrosion1Thispaperrecommendedtheprocessofslopewellcasingcorrosionprotection,discussedthemethodofelectriccurrentcontrolinordertorealizepotentialequilibrationundertheconditionofslopingwell1Thesehavealreadyachievedexpectantefficiency1KeywordsꆡClusterwellsꆡCasingꆡImpressed2currentcathodicprotectionꆡProtectionparameter1ꆡ틽ꆡ퇔2ꆡ듔쪽뺮ퟩ쳗맜틵벫놣뮤뗄쳘뗣벰릹돉폍쮮뺮쳗맜뗄뢯쪴뒩뿗벰뢯쪴럀뮤쫇뛠쓪살뗄211ꆡ쳘ꆡ뗣퇐뺿뿎쳢ꆣ맺쓚췢톧헟뺭맽샭싛벰쪵볹뗄늻뛏첽쳖ꆢ쫗쿈뷩짜킱뺮벰듔쪽뺮ퟩꆣ퓚쪯폍뾱첽뾪랢훐,룄뷸,죏캪훷튪럀훎랽램폐:ꋙ퇐훆룷샠쓍쪴뫏뷰평폚뿍맛쳵볾뗄쿞훆믲듓뺭볃킧틦랽쏦뗄뾼싇,닉짺닺쳗맜;ꋚ쳡룟만뺮훊솿,럢뛂뢯쪴탔쮮닣;ꋛ폃늻춬폚횱뺮ퟪ뺮뗄벼쫵,듓뺮뿚떽뺮뗗폐튻풤뚨헫뛔쳗맜췢뢯쪴닉폃췢볓뗧쇷틵벫놣뮤벼쫵;ꋜ룷랽쿲뗄킱뛈탎돉킱뺮ꆣ퓚튻룶뺮뎡샯,ퟪ돶늻춬랽캻샠뮺쪴볁벰룷훖볓힢랽램뿘훆쳗맜쓚뢯쪴ꆣ뫍킱뛈뗄뛠뿚킱뺮,돆캪듔쪽뺮ퟩꆣ헫뛔쳗맜뗄췢뢯쪴,듓뺭볃탔뾼싇,듳뛠닉폃럢듔쪽뺮ퟩ쳗맜놣뮤퓚벼쫵짏폐뛀쳘뗄튪쟳ꆣ평뛂쮮닣ꆣ퓚쓑틔럢뛂쪱퓲뾼싇닉폃틵벫놣뮤,80쓪폚뺮킱랽캻캻틆ꆢ쮮쓠략룟돌뛈늻춬,룷뺮쯹탨뗧쇷듺췆맣뗄쟸폲탔틵벫놣뮤평폚듦퓚쿂쇐좱쿝뛸훰붥뗄늻춬,뫜죝틗닺짺뺮볤뗧캻뗄늻욽뫢,죋쏇떣탄헢놻럅웺:(1)쳗맜놣뮤돌뛈뗍,듳솿뗧쇷쿻뫄퓚뗘쏦쫇럱믡틽웰뺮볤룉죅뢯쪴;웤듎,죧뫎톡퓱폐킧뗄놣맜쿟;(2)퓋탐뿉뾿탔닮,췢쿟튻떩쯰뮵틗퓬돉뗧캻뮤닎쫽믱좡뷏룟뗄놣뮤돌뛈,퓚짨볆짏펦닉폃뿉뾿욽뫢웆뮵,뛸헻쳥첱뮾;(3)맜샭쓑뛈듳ꆣ뗄짨놸쪵쿖뎤웚컈뚨뗄퓋탐뗈ꆣ뷼쓪살맺쓚췢폍쳯캪쫊펦뢴퓓뗘쏦쳵볾쿂뗄뾪212ꆡ듔쪽뺮ퟩ틵벫놣뮤ힰ놸랢,듳솿닉폃킱뺮뾪닉벼쫵,틔붵뗍뾪랢돉놾ꆣ뎤쟬뾼싇떽룃쟸믆췁닣뫱뛈캪160ꆫ300m,쫴룟ퟨ뺸낲폍쳯쫇컒맺ퟮ듳뗄뗍째춸폍쳯,캻폚짂룊쓾엨닣,볓횮캪쇋복짙뛔뗘쏦벯쫤맜췸뗄룉죅,퓚룃쟸좫뗘짂놱킱웂놱뛋,뗘뇭릵?ퟝ뫡ꆢ솺쏜늼,폍쮮뺮늿닉폃튻룶뺮ퟩ뛔펦튻뿚짮퇴벫뺮ꆣ퇴벫뺮짮ퟮ킡짮뛈퓚1500ꆫ1900m,좫늿닉폃듔쪽뺮ퟩ뾪랢ꆣ뗘쿂170m,ퟮ짮310mꆣ릲췪돉86뿚짮퇴벫뺮ꆣ폐싥뫓닣뗈뛠닣쮮닣듦퓚,폍뺮쳗맜뢯쪴뒩뿗벫틗쎿룶뺮ퟩ낲ힰ솽첨50ꆫ100A맨헻쇷틇,웤퓋닺짺,뻶뚨닉폃틵벫놣뮤ꆣ럖뇰폚1996쓪춶퓋7룶탐뿉뾿탔듯15a틔짏ꆣ룷뺮ퟩ엤놸뗧쇷뿘훆럖엤웷뺮ퟩ,1997쓪춶퓋42룶뺮ퟩ,1998쓪춶퓋37룶뺮튻첨,틔뿘훆룷뺮듯떽뻹뫢뗧캻ꆣퟩ,ퟜ볆365뿚폍쮮뺮,쪵쪩쇋듳쏦믽틔놣뮤쳗맜캪룷뺮틵퇴벫뗧샂쿟좫늿닉폃뒩맜짮싱랽쪽틔놣훘뗣뗄럀뢯쪴릤ퟷ,뺭쾵춳닢쫔듯떽쇋짨볆튪쟳ꆣ춬횤낲좫뿉뾿,룷뺮볓ힰ뻸풵램삼쪵쿖쳗맜뗄룟놣뮤쪱퓚짨볆쪩릤훐뷸탐쇋튻킩첽쯷ꆣ뗧캻ꆣ뺮ퟩ뗘쏦맜쿟뢽볓낲ힰ쇋뷓뗘업쇷ힰ훃틔쏢ꆤ370ꆤ' 1995-2005 Tsinghua Tongfang Optical Disc Co., Ltd. All rights reserved.
퇮좫낲뗈:뎤쟬폍쳯듔쪽뺮ퟩ쳗맜뗄틵벫놣뮤쫇럱뚼볓짏쇋틵벫뗧쇷,늻쓜뚨솿뗘좷뚨틵벫놣뮤맜뗘횮볤뗄쪵볊뗧캻,튲늻쓜좷뚨쫇럱뗧쇷퓚룷뗣짏뚼폐킧뗘룄뇤쇋뗧캻,쳡릩쇋췪좫뗄틵벫놣뮤ꆣ떫쯼퓚쪵볹훐죔캪튻쿮쫊폃벼쫵ꆣE2lgI랽램좷뚨틵벫놣뮤쯹탨뗧쇷,쪵훊짏쫇뛔틵벫벫뮯쟺쿟뗄탞헽ꆣ틵벫벫뮯쟺쿟헛뗣췢췆횱쿟뛎뗄붻뗣뛔펦뗄뗧쇷펦쫇뢯쪴뗧쇷,폫횮쿠펦뗄뻍쫇ퟮ킡놣뮤뗧쇷ꆣ퓚닢쫔랽램훐훘뗣쫇쎿쪩볓튻룶릩뗧뗧쇷닎쫽뫳,솢벴춣횹릩뗧,닢쳗맜뗧캻ꆣ헢뻍쿻돽쇋IR붵뗄펰쿬ꆣ춼1ꆡ뺮쳗맜틵벫놣뮤쾵춳뗄욽쏦뗧웸늼훃춼쪵볊닢쫔뛔뇈훐,뺮쿂뗧캻웊쏦램뗄뗧쇷킡폚퓬돉뗘쏦룉죅ꆣ욽쏦뗧웸늼훃볻춼1ꆣE2lgI램ꆣ뛔짮1500mꆢ닉폃5∀ãꇥ쳗맜뗄뺮,룹뻝뺮쿂뗧캻웊쏦램,떱2Aö뺮쪱벴뿉쿻돽뢯쪴퇴벫쟸;뛸3ꆡ폐맘벼쫵컊쳢뗄쳖싛내헕E-lgI램탨5A,떫2A릩뗧쪱뺮뿚쳗맜뗧캻뿉듯떽-110Vꆣ쯦ퟅ뺮짮퓶볓,뗧캻쮥복,뺮뗗뗧캻311ꆡ뺮볤뗧캻뗄욽뫢듔쪽뺮ퟩ뺮뗄컊쳢쫇뗘쏦3ꆫ8뿚뺮퓚춬튻뺮쿔좻늻쓜듯떽-0185V,헢퇹뺮뿚뗧캻-0185V늻뎡쓜ퟷ캪뿘훆닎쫽ꆣ튪쪹뺮뗗뗧캻듯떽뿘훆뗧캻,뺮뿚,뛸뺮뗗캻틆훁룷뺮뺮뿚쿠닮100ꆫ300m,웤랽캻뇤뮯내뗘쿂뺮췸럖늼ꆣ죴늻닉좡듫쪩뗧캻튪뢺폚-110Vꆣ퓚쪵볊펦폃훐떱5A릩뗧쪱,뺮,룷뺮뗧쇷닮틬뿉듯뿚뗧캻춨뎣뿉듯떽-110Vꆫ-1115V,틲뛸닉폃2ꆫ5놶ꆣ뺮뿚놣뮤뗧캻룟뗍늻춬,럖컶죧쿂E2:떱쾵춳뗄ퟜ뗧톹V튻뚨쪱,폐틔쿂ퟨ솦듦퓚lgI램릩뗧뗄뿉뾿탔뷏듳ꆣ뻝듋,뇊헟죏캪닉폃5Aö:뗧쇷춨맽퇴벫뗄ퟨ솦RA;뗧쇷춨맽뗘닣뷩훊뗄ퟨ솦뺮뗄떥뺮뗧쇷,뺮뿚뗧캻-110Vꆫ-1115V뗄뿘훆R횸뇪쫇쫊틋뗄ꆣB;뗧쇷춨맽틵벫뗄ퟨ솦RC;떼쿟솬뷓뗣뗧ퟨRDꆣ뺮쳗맜놣뮤뗧쇷뿉킴캪뺮쿂뗧캻웊쏦램뗤탍춼볻춼2,E2lgI램쪾틢볻V춼3ꆣI=RA+RB+RC+RDꆡꆡ춬튻뺮ퟩ훐늻춬뺮쳗맜뛔펦뗄ퟨ솦늻뗈,쳘뇰쫇풶뷼늻춬뗄뷩훊뗧ퟨ뗄펰쿬,쪹뗃뷏풶뺮쳗맜놣뮤뗧쇷폫뷼뒦뺮쳗맜뗧쇷럖늼늻춬ꆣ믹폚짏쫶뾼싇,퓚룷뺮믘슷훐퓶볓튻뿉뇤뗧ퟨ,쿠뛔펦룷뺮폃뗧쇷뇭볠뿘ꆣ춨맽뗷뷚룷뺮뗄뗧쇷,쪹룷뺮볤뗧캻듯떽욽뫢,헢튻뗧쇷횵쫇쳗맜틵벫놣뮤쾵춳퓋탐뗄닎쫽ꆣ312ꆡ틵벫놣뮤뗧쇷뗄좷뚨퓚헻룶쳗맜뎤뛈짏뷸탐뗧캻닢솿뛸좷뚨놣뮤뗧쇷쫇삧쓑뗄ꆣ쒿잰쪹폃ퟮ뛠뗄랽램쫇:ꋙ뺮쿂뗧캻웊쏦램;ꋚE2lgI램;ꋛ뗧캻쮥복볆쯣램ꆣ춼2ꆡ뗤탍뺮뗧캻웊쏦춼쏀맺NACERP뇪ힼ0186-86뛔쳗맜틵벫놣Aퟔ좻뗧캻ꆡBI=3AꆡCI=5AꆡDI=7A뮤쾵춳훷튪폐4쳵뇪ힼ살움볛:(1)쳗맜뺮뿚뗧캻훁짙뇈ퟔ좻뗧캻ꆡꆡ뷘횹1999쓪,잰웚춶죫쪹폃뗄259뿚틵벫놣뮤(-0185V뺮닢쫔쇏뇭쏷:떱떥뺮릩뗧5A쪱,뺮뿚뗧캻뢺폚vs1CuöCuSO4)욫틆300mV;(2)쳗맜내E2lgI랽램좷뚨릩뗧뗄뗧쇷-1115V뗄뺮58뿚,햼2214%,뢺폚-110V뗄뺮;181뿚,햼6919%ꆣퟜ볆뢺폚-110V뗄뺮239뿚,햼(3)쯹볓뗧쇷펦쓜쿻돽뺮쿂뗧캻웊쏦퇴벫쟸;(4)쪩볓퓚쳗맜짏뗄욽뻹뗧쇷쏜뛈캪3ꆫ9213%ꆣ뺮뿚뗧캻퓚-0198ꆫ-011V뗄뺮12뿚,햼4163%,춨맽뷸튻늽뗷헻뫳뿉쪹좫늿뺮쪵쿖췪좫뗄5mAöm2ꆣ쫂쪵짏,뗧캻웊쏦램횻쓜횸돶헻룶쳗맜뎤뛈짏틵벫놣뮤ꆣ뗤탍뺮닢쫔쫽뻝볻뢽뇭ꆣꆤ371ꆤ' 1995-2005 Tsinghua Tongfang Optical Disc Co., Ltd. All rights reserved.
퇮좫낲뗈:뎤쟬폍쳯듔쪽뺮ퟩ쳗맜뗄틵벫놣뮤뢽뇭ꆡ뺸낲폍쳯듔쪽뺮ퟩ쳗맜틵벫놣뮤늿럖닢쫔쫽뻝뺮ퟩ뺮뫅떥뺮릩뗧뺮뿚맜뗘뗧캻öV짨놸퓋탐뗧쇷öAퟔ좻뗧캻놣뮤뗧캻ힴ뿶쇸109332525-01527-111헽뎣쇸1095-01583-11064342515-01568-11089322505-01558-11023쇸106쇸1065-01615-11001헽뎣39252511-01618-11014402425-01621-11058춼-01617-110523ꆡ뗤탍뺮E2lgI쟺쿟쪾틢춼ZJ418238415-01597-11042헽뎣182394-01603-11084ꆡ킧맻벰뷡싛ZJ45-01533-0198192405-01593-11047훁뷱룃쟸ퟮ퓧쪵쪩틵벫놣뮤뗄뺮틑3쓪뛠,짐202395-01613-11123캴랢쿖튻뿚뺮뢯쪴뒩뿗ꆣ죋쏇웚췻퓚5쓪쓚뾴떽킧XP13342505-01584-1101헽뎣맻332505-01600-11112,늻퓙훘퇝웤쯼쟸뿩듳쏦믽쳗맜뒩뿗룸뫳웚뾪랢쯹듸살뗄훘듳뺭볃쯰쪧ꆣ틲캪룼탂튻뿚탂뺮뗄럑폃332495-01627-11123342485-01584-11023풼캪180ꆫ200췲풪,탞뢴튻뿚쳗쯰뺮뗄럑폃캪27XP135-01586-11046ꆫ28췲풪,뛸틵벫놣뮤춶풼햼붨짨럑폃뗄012%ꆫ0123%,쿔좻뺭볃킧틦쫇쿠떱듳뗄ꆣ볓잿죕뎣맜닎ꆡ뾼ꆡ컄ꆡ쿗샭,놣횤퓚ퟮ병닎쫽쿂뗄뎤웚퓋탐쫇쪵쿖뺭볃킧틦뗄훘튪듫쪩ꆣ1ꆡNACERP0186-861ApplicationofCathodicProtectionퟷ킡뷡죧쿂forWellCasings1Houston,TX:NACE,19861:2ꆡR(1)듔쪽뺮ퟩ퓚쪵쪩틵벫놣뮤쪱펦닉좡뗧캻욽obertsonGR,SchemerFW1ꆡOptimizingCathodic뫢랽램틔믱좡뻹뫢뗄쳗맜뗧캻ꆣProtectionCurrentDistribution1SPE26013ꆡ캺놦쏷1뷰쫴뢯쪴샭싛벰펦폃1뗚튻냦,놱뺩:뮯톧릤튵(2)닉폃E2lgI램,뷡뫏뺮뿚뗧캻횸뇪쳵볾쿂돶냦짧,19931224ꆫ241좷뚨뗄릩뗧뗧쇷뷏캪뿉뾿,뺮쿂뗧캻웊쏦램폫E24ꆡWilliamFGast1A202yearReviewoftheUseofCatho2lgI램쿠뇈뷏,뗧쇷뷏킡ꆣdicProtectionforWellCasings1MaterialsPerformance,(3)짮뺮퇴벫쫇쪵쿖복짙뗘쏦룉죅,놣횤쳗맜1986,(1):23ꆫ32췪좫놣뮤뗄폐킧랽램ꆣ쫕룥죕웚:20002012202000맺볊뇭쏦릤돌폫럀뢯쪴춿쇏춿ힰ릤튵듳햹캪쇋듙뷸컒맺뇭쏦릤돌폫럀뢯쪴춿쇏춿ힰ릤튵벼쫵짨놸닺욷뗄쳡룟뫍랢햹,볓잿맺볊붻쇷뫍뫏ퟷ,폫맺볊뷓맬,2000쓪훐맺맺볊뇭쏦릤돌폫럀뢯쪴춿쇏춿ힰ릤튵햹샀믡붫폚뷱쓪뻅퓂쇹죕훁뻅죕퓚짏몣쫀쎳짌돇뻙냬ꆣ놾뷬햹샀믡뺭맺볒뿆톧벼쫵늿엺ힼ,평훐맺뢯쪴폫럀뮤톧믡ꆢ훐맺맺볊뿆벼믡틩훐탄ꆢ짏몣룱샗짌컱췘햹폐쿞릫쮾뻙냬,늢뗃떽훐맺뮯릤럀뢯쪴벼쫵킭믡ꆢ훐맺뮯릤톧믡뗈맺쓚튵톧믡뗄듳솦횧돖ꆣ놾뷬햹샀믡훷튪햹쪾뷼쓪살맺볊뇭쏦릤돌뫍럀뢯쪴ꆢ춿닣ꆢ춿ힰꆢ춿쇏쇬폲뗄탂뿆벼돉맻,탂벼쫵ꆢ탂닄쇏ꆢ탂닺욷ꆢ탂짨놸뗈ꆣ쒿잰,틑폐쏀맺ꆢ얷훞룷맺ꆢ죕놾ꆢ훐맺뗈쪮벸룶맺볒뫍쿣룛ꆢ첨췥뗈뗘쟸뗄훚뛠훸쏻릫쮾ꆢ웳튵닎햹ꆣ햹믡웚볤,뮹붫뻙냬맺볊뇭쏦릤돌폫럀뢯쪴벼쫵ꆢ룖뷡릹럀뢯쪴릤돌벼쫵뫍뗚컥뷬뮯톧뛆쓪믡죽룶훷쳢뗄맺볊퇐쳖믡,쒿잰틑헷벯룷샠싛컄300뛠욪,뷬쪱훐췢훚뛠볒ꆢ톧헟ꆢ튵죋쪿붫퓆벯짏몣맛햹ꆢ닎볓퇐쳖믡,늢뻍헢킩쇬폲21쫀볍뗄벼쫵뒴탂ꆢ펦폃뫍닺튵뮯랢햹뗈쳢뷸탐퇐쳖붻쇷,늢쳡돶랢햹붨틩ꆣ솪싧뗧뮰:021-52520202ꆡ010-62332201ꆡ010-62174948ꆤ372ꆤ' 1995-2005 Tsinghua Tongfang Optical Disc Co., Ltd. All rights reserved.
