Roj Drilling Qib Hec
Roj Drilling teem nqiHEC Hydroxyethyl CelluloseYog ib hom ntawm cov noion soluble cellulose soluble cellulose ether, soluble hauv ob qho dej txias, kev tawm suab, zaj duab xis, kev ua yeeb yaj kiab thiab tiv thaiv kev tiv thaiv kev tiv thaiv thiab tiv thaiv kev tiv thaiv dej. Dav siv nyob rau hauv cov xim pleev xim, tshuaj pleev ib ce, roj drilling thiab lwm yam kev lag luam.Nes drilling qib hecyog siv los ua cov tuab ntawm cov av nkos yuav tsum muaj rau kev tho, kev ua haujlwm zoo, cementing thiab fracturing ua haujlwm kom ua tiav fluidity thiab ruaj khov. Txhim kho cov av nkos thaum lub sijhawm khiav dej thiab kev tiv thaiv cov dej ntau los ntawm kev nkag mus hauv cov dej ua haujlwm ntau lawm ntawm lub pas dej.
Cov khoom ntawm hydroxyethyl cellulose
Raws li cov tsis yog-ionic surfactant, hydroxyethyl cellulose muaj cov khoom siv ua kom tuab, kev tawm suab, dej tuav, dej tuav thiab muab kev tiv thaiv kev tiv thaiv thiab muab kev tiv thaiv kev tiv thaiv:
1, HEC tuaj yeem yaj nyob rau hauv dej kub lossis dej txias lossis npau npau tsis nag thiab viscosity proderties, thiab tsis-thermal gel;
2, nws cov tsis yog-ionic tuaj yeem ua rau muaj lwm yam dej-soluble polymers, solet, solet, yog ib qho zoo tshaj plaws colloidal muaj siab ntawm electrolyte tov;
3, Lub peev xwm kav dej ua haujlwm yog ob zaug dua methyl cellulose, nrog zoo ntws kho tau,
4, HEC muaj peev xwm piv nrog Methyl cellulose thiab hydroxypropyl cellulose kev muaj peev xwm yog neeg pluag, tab sis kev tiv thaiv kev tiv thaiv kev muaj peev xwm muaj zog.
Plaub, hydroxyethyl cellulose siv: feem ntau siv raws li tus neeg sawv cev thickities, kuj siv cov tshuaj ntxiv, kuj siv cov khoom siv hydelophilic, kuj siv cov khoom siv hydelophilic, kuj siv cov khoom siv hydelophilic, kuj siv cov khoom siv hydelophilic, kuj siv cov khoom siv hydelophilic, kuj siv cov khoom siv hydelophilic, kuj siv cov khoom siv hydelophilic, cov khoom siv pob txha, npaj ntawm pob txha Ntaus hom kev tso tawm kev tso tawm, kuj tseem siv tau hauv cov khoom noj raws li stabilizer thiab lwm yam haujlwm.
Cov khoom tseem ceeb Nyob rau hauv cov roj drilling
Hec yog viscous nyob rau hauv cov txheej txheem thiab tau ua muds. Nws pab muab cov khoom tsis muaj cov av nkos zoo thiab txo qis kev puas tsuaj rau qhov chaw zoo. Cov av nkos thicked nrog HEC yog yooj yim rau hydrocarbons los ntawm cov kua qaub, enzymes, lossis oxidants thiab tuaj yeem rov qab roj.
HEC tuaj yeem nqa cov av nkos thiab xuab zeb hauv cov av nkos tawg. Cov kua dej no tseem tuaj yeem hloov kho tau yooj yim los ntawm cov kua qaub no, enzymes lossis oxidants.
Hec muab cov lus zoo tagnrho cov kua qis qis drilling cov kua uas muab cov permeability ntau dua thiab txav zoo dua drilling ruaj khov. Nws cov kua dej muaj zog tuaj yeem siv rau hauv cov pob zeb tawv tawv, ntxiv rau cov caving lossis swb shale cam.
Hauv kev ua yeeb yam tso cai, HEC txo kev sib txhuam hauv Pore-siab cement slurries, yog li muaj kev puas tsuaj los ntawm dej poob.
Qhov tshwj xeeb ChemCial
Kev tshwm sim | Dawb rau off-dawb hmoov |
Qhov loj me me | 98% dhau 100 mesh |
Cov hniav hloov pauv ntawm degree (MS) | 1.8 ~ 2.5 |
Residue ntawm ignition (%) | I≤0.5 |
PH nqi | 5.0 ~ 8.0 |
Noo noo (%) | 50.0 |
Khoom Cov menyuam kawm qib
Tus pateem nqi | Viscosity(Ndj, MPa.s, 2%) | Viscosity(Brookfield, MPa.S, 1%) |
HEC HS300 | 240-360 | 240-360 |
HEC HS6000 | 4800-7200 | |
HEC HS30000 | 24000-36000-36000 | 1500-2500 |
HEC HS60000 | 48000-72000 | 2400-3600 |
HEC HS100000 | 80000-120000 | 4000-6000 |
HEC HS150000 | 1200000000-180000 | 7000min |
Cov yam ntxwv ua tau zoo
1.Cov ntsev ua haujlwm
HEC yog qhov ruaj khov nyob rau hauv cov kua muaj ntsev ua kua ntau thiab tsis decompose rau hauv ionic lub xeev. Siv nyob rau hauv electroplating, tuaj yeem ua rau plating nto ua tiav, ntau kaj. Ntau tus neeg sau ntawv tau thov kom muaj borate, silicate thiab carbonate looj xim, tseem muaj cov viscosity zoo heev.
2.Cov Khoom Siv Thickening
HEC yog qhov tuab zoo tshaj plaws rau txheej txheej thiab cov tshuaj pleev ib ce. Hauv kev siv ua ntaub ntawv, nws cov tuab tuab thiab ncua kev nyab xeeb, dispersion, dej tswj ua ke yuav tsim cov kev siv zoo tagnrho.
3.sptus nyuag qab
Pseudoplastic yog cov cuab yeej uas viscosity ntawm kev daws teeb meem tsawg dua nrog kev nce ntawm kev ua kom nrawm. HEC muaj cov xim looj tes yooj yim yog yooj yim thov nrog txhuam lossis cov menyuam thiab tuaj yeem nce qhov du kom zoo nkauj ntawm cov npoo av, uas tuaj yeem nce ntxiv ua haujlwm; Hec-muaj cov tshuaj zawv plaub hau yog kua thiab nplaum, yooj yim diluted thiab yooj yim dispersed.
4.Dej ceev
HEC pab kom cov dej noo ntawm cov kab ke hauv lub xeev zoo tshaj plaws. Vim tias ib qho kev daws teeb meem me me tuaj yeem ua tiav cov nyhuv kom ruaj khov, kom lub kaw lus txo cov dej xav tau thaum lub sijhawm npaj. Yog tsis muaj dej rov qab thiab cov nplaum, cemention, thiab cov nplaum, thiab av nplaum yuav tseem yuav txo cov xim av.
5.mpaj ntaub
Daim iav tsim cov khoom ntawm HEC tuaj yeem siv rau ntau qhov kev lag luam. Hauv kev ua haujlwm papermaking, coated nrog HEC glazing tus neeg sawv cev, tuaj yeem tiv thaiv cov roj av roj, thiab tuaj yeem siv los npaj lwm yam ntawm papermaking tov; HEC tau nce ntxiv txoj kev elasticity ntawm cov fibers thaum lub sij hawm weaving txheej txheem thiab li no txo cov tshuab puas rau lawv. HEC Ua raws li zaj yeeb yaj kiab ib ntus thaum sizing thiab zas ntawm cov ntaub thiab tuaj yeem ntxuav tawm ntawm cov ntaub nrog dej thaum nws tiv thaiv tsis tau.
Phau Ntawv Qhia Thov rau Kev Lag Luam Kev Lag Luam
Siv nyob rau hauv cov roj ua cementing thiab drilling
●Hydroxyethyl cellulose hec tuaj yeem siv los ua cov tuab thiab cov txiv xis tus neeg sawv cev rau cov kua dej daws kom zoo. Cov lus daws teeb meem qis uas yuav pab muab cov txheej txheem sib txawv, yog li txo cov txheej txheem kev puas tsuaj rau lub qhov dej. Cov kua dej thickened nrog hydroxyethyl cellulose yooj yim tawg cia los ntawm cov kua qaub, enzymes lossis oxidants, txhim kho cov peev xwm los rov qab hydrocarbons.
●Hydroxyethyl cellulose Hec yog siv los ua cov khoom xa tawm hauv cov kua dej zoo. Cov kua dej no tseem tuaj yeem tawg yooj yim los ntawm cov txheej txheem piav saum toj no.
●Drilling kua nrog hydroxyethyl cellulose hec yog siv los txhim kho cov ruaj khov drability vim nws cov ntsiab lus qis. Cov kev ua yeeb yam ntawm cov kev ua tau zoo no tuaj yeem siv rau kev lag luam nruab nrab rau cov pob zeb hardness siab thiab hnyav shale lossis av shale.
●Nyob rau hauv Cevent Reinterckas Prepulose hydulose cellulose kev sib txhuam ntawm cov av nkos thiab txo cov dej tsis tau los ntawm kev ploj pob zeb ploj.
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Lub Sijhawm Post: Jan-01-2024