Qib roj drilling HEC

Kev khawb roj qibHEC Hydroxyethyl celluloseyog ib hom cellulose ether uas tsis yog ionic soluble, soluble hauv dej kub thiab dej txias, nrog rau thickening, suspension, adhesion, emulsification, zaj duab xis tsim, water retention thiab tiv thaiv colloid zog. Siv dav hauv xim, tshuaj pleev ib ce, roj drilling thiab lwm yam lag luam. Roj drilling qib HECsiv ua cov khoom ua kom tuab hauv ntau yam av nkos uas xav tau rau kev khawb, teeb tsa qhov dej, cementing thiab fracturing kev ua haujlwm kom ua tiav qhov dej ntws zoo thiab ruaj khov. Kev txhim kho kev thauj mus los ntawm av nkos thaum lub sijhawm khawb thiab tiv thaiv kom tsis txhob muaj dej ntau nkag mus rau hauv lub pas dej ua kom lub peev xwm tsim khoom ntawm lub pas dej ruaj khov.

Cov khoom ntawm hydroxyethyl cellulose

Ua ib qho surfactant uas tsis yog ionic, hydroxyethyl cellulose muaj cov khoom hauv qab no ntxiv rau thickening, suspension, bonding, floating, film forming, dispersing, water retention thiab providing protective colloid:

1, HEC tuaj yeem yaj hauv dej kub lossis dej txias, kub siab lossis kub npau tsis ua rau kub dhau, yog li nws muaj ntau yam solubility thiab viscosity, thiab cov gel tsis yog thermal;

2, nws cov non-ionic tuaj yeem nyob ua ke nrog ntau yam dej-soluble polymers, surfactants, ntsev, yog ib qho zoo heev colloidal thickener uas muaj cov concentration siab ntawm electrolyte kua;

3, lub peev xwm khaws dej yog ob npaug siab dua li methyl cellulose, nrog kev hloov kho tau zoo,

4, HEC dispersion peev xwm piv nrog methyl cellulose thiab hydroxypropyl methyl cellulose dispersion peev xwm tsis zoo, tab sis lub peev xwm tiv thaiv colloid muaj zog.

Plaub, hydroxyethyl cellulose siv: feem ntau siv ua tus neeg sawv cev tuab, tus neeg sawv cev tiv thaiv, nplaum, stabilizer thiab npaj cov emulsion, jelly, tshuaj pleev, tshuaj pleev, tus neeg sawv cev ntxuav qhov muag, suppository thiab ntsiav tshuaj additives, kuj siv ua hydrophilic gel, pob txha khoom, npaj pob txha hom kev tso tawm kev npaj, kuj siv tau rau hauv zaub mov ua stabilizer thiab lwm yam haujlwm.

Cov khoom tseem ceeb hauv kev khawb roj

HEC yog viscous nyob rau hauv cov av nkos uas tau ua tiav thiab cov av nkos uas tau ntim. Nws pab muab cov av nkos uas tsis muaj zog thiab txo qhov kev puas tsuaj rau lub qhov dej. Cov av nkos uas tuab nrog HEC yooj yim degraded mus ua hydrocarbons los ntawm cov kua qaub, enzymes, lossis oxidants thiab tuaj yeem rov qab tau cov roj tsawg.

HEC tuaj yeem nqa cov av nkos thiab xuab zeb hauv cov av nkos tawg. Cov kua no kuj tuaj yeem yooj yim puas tsuaj los ntawm cov kua qaub no, cov enzymes lossis cov oxidants.

HEC muab cov kua dej zoo tagnrho uas tsis muaj zog uas muab kev nkag tau zoo dua thiab kev ruaj khov zoo dua. Nws cov khoom ntim kua dej tuaj yeem siv rau hauv cov pob zeb tawv, nrog rau cov pob zeb shale uas poob los yog swb.

Hauv kev ua haujlwm cementing, HEC txo cov kev sib txhuam hauv cov pore-pressure cement slurries, yog li txo cov kev puas tsuaj ntawm cov qauv los ntawm kev poob dej.

Cov Khoom Siv Tshuaj

Cov khoom Cov Qib 

Cov yam ntxwv ntawm kev ua tau zoo

1.Kev tsis kam ntsev

HEC ruaj khov nyob rau hauv cov kua saline uas muaj concentrated heev thiab tsis lwj mus rau hauv cov xeev ionic. Siv rau hauv electroplating, tuaj yeem ua rau qhov chaw plating tiav dua, ci dua. Qhov tseem ceeb tshaj plaws yog siv rau cov xim borate, silicate thiab carbonate latex, tseem muaj viscosity zoo heev.

2.Cov khoom tuab

HEC yog ib qho thickener zoo tagnrho rau cov txheej thiab cov tshuaj pleev ib ce. Hauv kev siv tiag tiag, nws cov thickening thiab suspension, kev nyab xeeb, dispersion, thiab dej khaws cia ua ke yuav tsim cov txiaj ntsig zoo dua.

3.Pseudoplastic

Pseudoplasticity yog qhov khoom uas qhov viscosity ntawm cov tshuaj txo qis nrog rau qhov nce ntawm qhov ceev ntawm kev sib hloov. HEC uas muaj cov xim latex yooj yim siv nrog txhuam lossis lub menyuam thiab tuaj yeem ua rau qhov du ntawm qhov chaw, uas kuj tuaj yeem ua rau kev ua haujlwm zoo dua; Cov tshuaj zawv plaub hau uas muaj Hec yog kua thiab nplaum, yooj yim diluted thiab yooj yim dispersed.

4.Kev khaws dej

HEC pab kom cov dej noo ntawm lub cev nyob rau hauv qhov zoo tagnrho. Vim tias me me ntawm HEC hauv cov kua dej tuaj yeem ua tiav qhov zoo ntawm kev khaws dej, yog li ntawd lub cev txo qhov kev xav tau dej thaum lub sijhawm npaj. Yog tsis muaj kev khaws dej thiab kev nplaum, cov cement mortar yuav txo nws lub zog thiab kev nplaum, thiab av nplaum kuj tseem yuav txo qhov plasticity nyob rau hauv qee qhov kev nyuaj siab.

5.Membrane

Cov khoom tsim membrane ntawm HEC siv tau rau ntau yam lag luam. Hauv kev ua haujlwm papermaking, coated nrog HEC glazing agent, tuaj yeem tiv thaiv cov roj nkag mus, thiab tuaj yeem siv los npaj lwm yam ntawm cov tshuaj papermaking; HEC ua rau cov fibers elasticity nce thaum lub sijhawm weaving thiab yog li txo cov khoom puas tsuaj rau lawv. HEC ua haujlwm ua ib zaj duab xis tiv thaiv ib ntus thaum lub sijhawm sizing thiab dyeing ntawm cov ntaub thiab tuaj yeem ntxuav tawm ntawm cov ntaub nrog dej thaum nws txoj kev tiv thaiv tsis xav tau.

Daim Ntawv Qhia Txog Kev Siv Rau Kev Lag Luam Roj Av:

Siv rau hauv kev ua cementing thiab drilling hauv roj teb

●Hydroxyethyl cellulose HEC siv tau ua ib yam khoom ua kom tuab thiab ua kom cov cementing rau cov kua dej hauv qhov dej. Cov kua uas tsis muaj cov khoom ruaj khov uas pab kom pom tseeb, yog li ntawd txo qhov puas tsuaj rau lub qhov dej. Cov kua uas muaj hydroxyethyl cellulose tuab yooj yim tawg los ntawm cov kua qaub, cov enzymes lossis cov oxidants, ua rau muaj peev xwm rov qab tau cov hydrocarbons zoo heev.

●Hydroxyethyl cellulose HEC yog siv los ua tus nqa khoom proppant hauv cov kua dej zoo. Cov kua no kuj tuaj yeem tawg tau yooj yim los ntawm cov txheej txheem piav qhia saum toj no.

●Cov kua dej drilling uas muaj hydroxyethyl cellulose HEC yog siv los txhim kho kev ruaj khov ntawm drilling vim nws cov khoom khov tsawg. Cov kua dej no siv tau rau drilling cov pob zeb nruab nrab mus rau cov pob zeb tawv heev thiab cov shale hnyav lossis av nkos.

●Hauv kev ua haujlwm txhawb nqa cement, hydroxyethyl cellulose HEC txo cov hydraulic kev sib txhuam ntawm cov av nkos thiab txo cov dej poob los ntawm cov pob zeb poob.

Ntim: 

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