Hydroxyethyl Cellulose (HEC) yog cov dej-soluble polymer dav siv hauv cov txheej txheem roj drilling. Nws qhov tshwj xeeb lub cev thiab tshuaj lom neeg ua rau nws muaj ntau yam zoo hauv daim teb no.
1. Kev txhim kho ntawm rheological zog
Hydroxyethyl cellulose muaj cov khoom thickening zoo thiab tuaj yeem ua kom cov viscosity ntawm cov dej drilling. Cov cuab yeej no yog qhov tseem ceeb tshwj xeeb thaum lub sij hawm drilling, vim tias cov dej viscosity drilling tau zoo dua tshem tawm cov tho kev txiav thiab tiv thaiv lawv los ntawm kev tso rau hauv qab ntawm lub qhov dej los yog ntawm cov yeeb nkab phab ntsa, yog li txhim kho drilling efficiency thiab kev nyab xeeb. Pseudoplastic cwj pwm ntawm HEC cov kev daws teeb meem ua rau qis viscosity ntawm siab shear tus nqi (xws li nyob ze ntawm lub laum me ntsis), uas txo cov kev sib txhuam thiab siv zog, thiab siab dua viscosity ntawm qis shear tus nqi (xws li ze ntawm phab ntsa wellbore), uas yuav pab tau rau nqa. thiab tshem tawm laum cuttings.
2. Dej thiab dej tuav cov khoom
Hydroxyethyl cellulose muaj cov dej zoo heev thiab tuaj yeem yaj sai sai hauv dej thiab tsim cov tshuaj sib xws. Qhov kev ua tau zoo no ua kom yooj yim npaj sai thiab hloov kho cov kua dej drilling ntawm qhov chaw, nce kev ua haujlwm yooj yim. Tsis tas li ntawd, HEC kuj tseem muaj cov dej tuav ruaj khov, uas tuaj yeem txo cov evaporation thiab poob dej hauv cov kua dej drilling thiab tswj kev ruaj ntseg thiab kev ua haujlwm ntawm cov dej drilling. Tshwj xeeb tshaj yog nyob rau hauv qhov kub thiab txias ib puag ncig, nws cov dej tuav cov khoom tseem ceeb dua.
3. Lim tswj
Thaum lub sij hawm drilling txheej txheem, cov kua dej poob ntawm cov dej drilling yog ib qho tseem ceeb parameter. Kev pom ntau dhau yuav ua rau muaj qhov nce hauv av nkos ncuav mog qab zib tuab, uas yuav ua rau muaj teeb meem xws li phab ntsa tsis ruaj khov thiab zoo to. Hydroxyethyl cellulose tuaj yeem txo cov kua dej tsis haum, txo cov kev pheej hmoo lim dej, txo cov kev pheej hmoo lim, thiab txhim kho qhov ruaj khov ntawm phab ntsa. Tsis tas li ntawd, HEC tuaj yeem tswj hwm kev ua haujlwm ruaj khov nyob rau hauv qhov sib txawv pH qhov tseem ceeb thiab electrolyte concentration tej yam kev mob thiab hloov mus rau ntau yam nyuaj geological tej yam kev mob.
4. Eco-phooj ywg
Raws li kev cai ib puag ncig dhau los ua nruj, qhov kev thov rau ib puag ncig tus phooj ywg drilling kua kuj tseem nce ntxiv. Raws li ib tug natural cellulose derivative, hydroxyethyl cellulose muaj biodegradability zoo thiab tsis muaj feem xyuam rau ib puag ncig. Piv nrog rau qee cov hluavtaws polymers, kev siv HEC txo cov pa phem thiab pab ua kom tiav cov hom phiaj ntsuab. Tsis tas li ntawd, qhov tsis muaj tshuaj lom thiab tsis muaj teeb meem ntawm HEC kuj txo cov kev pheej hmoo rau cov neeg ua haujlwm noj qab haus huv.
5. Kev lag luam
Txawm hais tias tus nqi ntawm hydroxyethyl cellulose yog tus nqi siab, nws qhov kev ua tau zoo heev thaum siv tuaj yeem txo tus nqi tag nrho thaum lub sijhawm drilling. Ua ntej, HEC cov thickening npaum li cas thiab cov dej tuav cov khoom txo cov nqi ntawm cov dej drilling thiab cov khoom siv. Qhov thib ob, kev ruaj ntseg thiab kev ntseeg siab ntawm HEC txo qhov kev pheej hmoo ntawm kev ua tsis tiav hauv av thiab kev kaw tsis tau npaj tseg, txo cov nqi kho thiab kho. Thaum kawg, HEC cov khoom zoo ib puag ncig txo cov kev siv nyiaj pov tseg thiab kev ua raws li ib puag ncig.
6. Compatibility thiab Versatility
Hydroxyethyl cellulose muaj cov tshuaj zoo ruaj khov thiab kev sib raug zoo dav, thiab tuaj yeem sib xws nrog ntau yam khoom siv ntxiv thiab cov kua dej drilling los tsim cov txheej txheem sib xyaw nrog cov haujlwm tshwj xeeb. Piv txwv li, HEC tuaj yeem siv ua ke nrog cov tshuaj tiv thaiv kev sib tsoo, cov tshuaj tiv thaiv tawm thiab cov roj nplua nyeem txhawm rau txhim kho cov kev ua tau zoo ntawm cov dej drilling thiab ua tau raws li qhov sib txawv geological thiab kev xav tau drilling. Tsis tas li ntawd, HEC kuj tseem tuaj yeem siv rau hauv lwm cov khoom siv roj av xws li cov kua ua tiav thiab cov kua dej tawg, ua kom pom tias nws muaj ntau yam.
Hydroxyethyl cellulose muaj cov txiaj ntsig tseem ceeb hauv cov roj drilling, feem ntau cuam tshuam txog kev txhim kho rheological zog, nce hydration thiab dej tuav peev xwm, tswj tau qhov ntim pom zoo, ua tus phooj ywg ib puag ncig, kev lag luam thiab ntau yam haujlwm. Cov txiaj ntsig zoo no ua rau HEC yog qhov tseem ceeb thiab tseem ceeb ntxiv rau hauv cov txheej txheem roj drilling, pab kom ua tiav kev ua haujlwm zoo, nyab xeeb thiab ib puag ncig tus phooj ywg drilling. Nrog rau kev nce qib ntawm thev naus laus zis thiab kev sib sib zog nqus ntawm daim ntawv thov, daim ntawv thov kev cia siab ntawm hydroxyethyl cellulose hauv cov roj drilling yuav dav dua.
Post lub sij hawm: Lub Xya hli ntuj-19-2024