I-CMC isebenzisa kwi-Petroleum kunye ne-Oil Drilling Industry

I-sodium carboxymethyl cellulose (CMC) yenziwe nge-cellulose yendalo ngokuguqulwa kweekhemikhali ze-derivatives ze-cellulose e-ethers ezinyibilikayo emanzini, luhlobo olubalulekileyo lwe-cellulose ether enyibilikayo emanzini, umgubo omhlophe okanye otyheli okanye igranular, engeyotyhefu, engenancasa, inokunyibilika. emanzini, inozinzo oluhle lobushushu kunye nokuxhathisa ityuwa, iipropati ezinamandla ze-antimicrobial.I-slurry fluid elungiselelwe yile mveliso inokulahleka kwamanzi okulungileyo, ukuvinjelwa kunye nokumelana nokushisa okuphezulu.Isetyenziswa kakhulu kwishishini lokwemba i-oyile, ngakumbi amanzi anetyuwa Imithombo kunye nokugrumba i-oyile elunxwemeni.

I-sodium carboxymethyl cellulose CMC njengepolymer e-soluble yamanzi, inokuchithwa ngokukhawuleza emanzini abandayo okanye kumanzi ashushu;Njenge-ejenti yokuqina, i-arhente yokulawula i-rheological, i-adhesive, i-stabilizer, i-colloid ekhuselayo, i-agent yokumiswa kunye ne-arhente yokugcina amanzi, yinto efanelekileyo yokugaya i-ejenti yodaka kunye nokulungiswa kwezinto ezigqityiweyo zolwelo ekusebenzeni kwe-oyile.Inezinga eliphezulu lokutsaleka kunye nokuxhathisa okulungileyo kwetyuwa.I-CMC yeyona arhente ibalaseleyo yokunciphisa ilahleko yolwelo kudaka lwamanzi amatsha kunye nodaka lwamanzi olwandle oluzele ludaka lwetyuwa, kwaye inamandla okuphakamisa i-viscosity kunye nokumelana nobushushu obuphezulu (150).℃).Ilungele ukulungiswa kwamanzi amatsha, amanzi olwandle kunye ne-saturated brine yokugqiba ulwelo, kunye nobunzima be-calcium chloride bunokuqulunqwa kwiintlobo ezahlukeneyo zoxinaniso lokugqiba ulwelo, kunye nokugqitywa kwe-viscosity yamanzi kunye nokulahlekelwa kwamanzi aphantsi.

Intshayelelo yeCMC HV kwayeI-CMC LV yepetroleum yokomba ulwelo

(1) Udaka lwe-CMC lunokwenza udonga lwequla lube bhityile kwaye luqine ikeyiki yesihluzi esinokungena kancinci, ukuze kucuthwe ilahleko yamanzi.

(2)Emva kokongeza i-CMC eludakeni, i-drill inokufumana amandla aphantsi okucheba, ukuze udaka lube lula ukukhulula igesi esongiweyo, kwaye inkunkuma ilahlwe ngokukhawuleza emhadini wodaka.

(3) Ukugrumba udaka kunye nezinye iisampulu ezimisiweyo zokusasazwa zinexesha elithile lobomi, ezinokuzinziswa kwaye zandiswe ngokongeza i-CMC.

(4) Udaka oluqulethe i-CMC aluchatshazelwa kangako ngumbumba kwaye ngoko akufuneki ukuba lugcine i-PH ephezulu okanye lusebenzise izigcinangaliso.

(5) Equlathe CMC njengoko kusomba udaka ukucoca ulwelo arhente unyango, unako ukumelana ungcoliseko iityuwa ezahlukeneyo ezinyibilikayo.

Udaka oluqulethe i-CMC lunozinzo oluhle kwaye lunokunciphisa ilahleko yamanzi nokuba ubushushu bungaphezu kwe-150°C.

Qaphela: i-CMC ene-viscosity ephezulu kunye neqondo eliphezulu lokutshintshela lilungele udaka olunoxinano oluphantsi, ngelixa i-CMC ene-viscosity ephantsi kunye neqondo eliphezulu lokutshintshwa lilungele udaka olunoxinano oluphezulu.I-CMC kufuneka ikhethwe ngokweemeko ezahlukeneyo ezifana nodidi lodaka, ummandla kunye nobunzulu bequla.

Usetyenziso oluphambili: I-CMC kwi-drilling fluid, i-cementing fluid kunye ne-fracturing fluid, i-viscosity yokuphakamisa kunye neminye imisebenzi, ukuze kuzuzwe.Ukukhusela udonga, phatha ukusika i-drilling cuttings, ukukhusela i-bit, ukukhusela ukulahleka kodaka, ukuphucula indima yesantya sokomba.Yongeza ngokuthe ngqo okanye ngeglue ukongeza udaka, yongeza i-0.1-0.3% emanzini odaka lwamanzi, yongeza i-0.5-0.8% kudaka lwamanzi etyuwa.

Iimpawu zemveliso:

1. Imveliso yi-polymer e-soluble edibeneyo yamanzi egcina ixabiso eliphantsi le-N kwaye inokulungiswa ngokufanelekileyo xa ifakwe kwi-drilling fluid.

Ipateni yokuhamba.Ineenzuzo zokucinezela ukusasazwa kwe-shale, ukuxhathisa ungcoliseko lwe-ion ye-inorganic, ukunciphisa ilahleko yolwelo, ukunyusa izinga lokomba kunye nokunciphisa iindleko.

2. Njengomlawuli wepateni yokuhamba kwe-drilling fluid, imveliso inonyaka ohlukeneyo, ukusebenza kokunciphisa ilahleko yokuhluza kunye nomsebenzi wokulungelelaniswa kwe-deformation kwaye ingcono.

Ingasetyenziswa njengokwanda kwe-viscosity kunye nokunciphisa i-ejenti yokucoca kumanzi amatsha kunye nodaka lwamanzi etyuwa.

1. Inokumelana nokungcoliseka okulungileyo kunye nokumelana nobushushu.

Ukusetyenziswa kwe-sodium carboxymethyl cellulose CMC kwishishini lokwemba ioyile

1. Ukusetyenziswa kwe-sodium carboxymethyl cellulose CMC kwi-drilling fluid

I-non-dispersible yokugrumba ulwelo oluxhotyiswe nge-CMC lunamandla okusikwa okusikwayo, luthintela ukusasazwa kodongwe, lunciphisa isantya sokucolwa kodongwe, luluncedo kuzinzo lwe-wellbore kwaye lwandisa ngokufanelekileyo izinga lokomba.

Ulwelo lokugrumba olusasaziweyo olune-CMC lunamandla okunqunyanyiswa, lunokwamkela isigaba esiqinileyo, lunokuphucula kakhulu uzinzo lwamasuntswana, lolona lufanelekileyo kulwelo lokomba olunoxinaniso oluphezulu, kwaye lunokulungelelanisa ngempumelelo iipropati zerheological zolwelo lokomba;Ikeyiki yodaka exineneyo kunye nomgangatho ophezulu inokubunjwa kulwelo lokomba, olunokuncipha kwelahleko yokuhluza kunye nokunciphisa amanzi simahla.

I-calcium ephathwayo yokomba ulwelo kunye ne-CMC inokumelana nekhalsiyam elungileyo kwaye inokuthintela ukugquma okugqithisileyo kwamasuntswana odongwe kwinkqubo ebangelwa yi-calcium ion, ukuze ulwelo lokomba lukwazi ukugcina imeko entle ye-flocculation kwaye igcine isiqulatho esizinzileyo kunye neempawu zerheological zolwelo lokomba, ukuze kuqinisekiswe ukusebenza kakuhle kunye nokuzinza kolwelo lokomba.

Ngoqwalaselo lwe-CMC ye-brine, ulwelo lokomba lwamanzi olwandle, ulwelo lokomba olugcwele amanzi anetyuwa, ulwazelelelo oluphantsi lwetyuwa, ukuxhathisa okunamandla kwityuwa kunye ne-calcium, i-magnesium, esetyenziswa njengomlawuli we-rheological, phantsi kwemeko yedosi ephantsi yokomba ulwelo olukhawulezayo. uhlengahlengiso, unokukhawuleza uqhube ukusika ngexesha elifanayo, ugcine umxholo ophantsi oqinileyo, luncedo ekuphuculeni isantya sokomba.Xa isetyenziswa njengento yokunciphisa ilahleko yolwelo, ikeyiki yodaka exineneyo inokwakheka.Njengoko i-filtrate ehluziweyo ngekhekhe lokucoca isondele kumanzi okuqala okubunjwa, i-filtrate inomonakalo omncinci kwi-oyile kunye negesi.

Ulwelo lokomba olusekwe kwi-potassium oluxhotyiswe nge-CMC lunovakalelo oluphantsi kwiityuwa ze-potassium, iityuwa ze-calcium kunye neetyuwa ze-magnesium.Iyakwazi ukulungelelanisa ngokukhawuleza nangokufanelekileyo iipropati ze-rheological zolu hlobo lwe-drilling fluid.Ayinasiphumo esihle sokuphulukana nokuhluza, kodwa ikwanesakhono esihle sokucoca ukusika kunye nokugrumba amasuntswana.

Ulwelo lokomba lwepolymer oluxhotyiswe nge-CMC luyahambelana nezinye iipholima, lunamandla okunqunyanyiswa, kwaye lunokucoca ukusikwa ngexesha elifanelekileyo nangendlela efanelekileyo.Ukongeza, ulwelo lokomba lukwayeyona arhente ibalaseleyo yokuphulukana nolwelo oluneziqina ezisezantsi kunye nokusasazwa kodongwe.

Ulwelo olusezantsi oluqinileyo olune-CMC lunokulungelelanisa ngokukhawuleza nangokufanelekileyo iimpawu zerheological zolwelo lokomba, isakhono esigqwesileyo sokunqunyanyiswa, kwangexesha kwaye ngokufanelekileyo ukususa ukusikwa, gcina ulwelo lokomba lunomxholo ophantsi oqinileyo, ukuphucula isantya sokomba, ukuzinzisa udonga lwequla, kwaye ube nolwelo olubalaseleyo. isiphumo sokunciphisa ilahleko.

Ulwelo lokugrumba oluhambelana nokusingqongileyo olune-CMC luhambelana nokusingqongileyo, alunabungozi, alunabungozi kwaye alunavumba, luyabola kwaye akukho lula ukonakala ngexesha lokusetyenziswa.Ulwelo lokomba lunexabiso eliphantsi lolondolozo kwaye impilo nokhuseleko lwabasebenzi bokwakha ziqinisekisiwe.Ilungele ukugrumba phantsi kweemeko ezahlukeneyo zejoloji ezinzima kwaye ayinabungozi kwimveliso yezolimo.

2. Ukusetyenziswa kwe-sodium carboxymethyl cellulose CMC kwi-cementing fluid (ulwelo olugqityiweyo)

Ukuhamba kwe-cementing fluid kuphuculwe kunye ne-CEmenting slurry elungiselelwe kunye ne-CMC, ibonelela nge-viscosity yokuqala kunye nokulahlekelwa kwamanzi aphantsi, ngelixa ikhusela i-wellbore kunye nokuthintela ulwelo ekungeneni kwiipores kunye nokwaphuka.

Abapakishi baxhotyiswe nge-CMC banokuhlengahlengisa ubumanzi bolwelo, i-thixotropy kunye nokukwazi ukumisa isigaba esiqinileyo.Ngenxa yokuba iimveliso zinokumelana netyuwa elungileyo (ingakumbi i-ion zetsimbi e-monovalent), iimveliso zingasetyenziselwa ukucoca iipakethi zamanzi etyuwa ngokufanelekileyo.

Ulwelo lomsebenzi olulungiselelwe kunye ne-CMC yenkampani luqinile kwaye aluthinteli ukungeneka kwendawo yokuvelisa ngenxa yezinto eziqinileyo okanye ukonakalisa indawo yokuvelisa.Kwaye inokulahleka kwamanzi aphantsi, ukwenzela ukuba amanzi abe kumgangatho wokuvelisa ancitshiswe, kwaye amanzi aya kuvalwa yi-emulsion kwaye enze into yokubamba amanzi.Ulwelo lomsebenzi oluqulunqwe ne-CMC kunye ne-PAC lubonelela ngeenzuzo ngaphezu kolunye ulwelo olusebenzayo.Khusela ummandla wemveliso kumonakalo osisigxina;Ukuphatheka komngxuma ococekileyo kunye nokuncitshiswa kokugcinwa kwequla;Iyakwazi ukumelana nokungenwa kwamanzi kunye nentlenga, kwaye ayifane ibe namadyunguza;Ingagcinwa okanye iphinde isetyenziswe ukusuka emthonjeni ukuya kwindawo ngexabiso eliphantsi kunolwelo oluqhelekileyo lodaka.

3. Ukusetyenziswa kwe-carboxymethyl cellulose sodium CMC kwi-fracturing fluid

Ilungiselelwe nge-CMC fracturing fluid, inokuphucula ngokukhawuleza i-viscosity ye-fracturing fluid, inokuthwala ngokufanelekileyo i-proppant kwi-oyile ye-fracture, ukuseka iziteshi ze-sepage, ukunciphisa ngokukhawuleza isixa sokuhluzwa, uxinzelelo lokwakheka lunyuka ngokukhawuleza, kunye nokufezekisa ukuhanjiswa okufanelekileyo koxinzelelo, imveliso ayinayo intsalela, akukho monakalo kwisiseko, ukumpompa okuphezulu, ukukhuhlana okuncinci, kunye nokukwazi ukuthwala i-proppant.

Ukupakishwa, ukugcinwa kunye nokuthutha:

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