Iqhaza le-hydroxyethyllluose (HEC) ekuvuthweni kwamafutha likhonjiswa ikakhulukazi ekuhlelweni nasekusebenzeni kokusebenza koketshezi lokumba. Njenge-polymer ebalulekile ye-manzi-soluble, i-HEC inokuqina okuhle kakhulu, ukumiswa, ukuthambisa kanye nezakhiwo ze-bheological, okwenza kube dlale indima enezici eziningi kwinqubo yokumba kawoyela.
1. Indima enkulu
Eminye yemisebenzi ebaluleke kakhulu ye-HEC ekuvuthayo uketshezi lunjengesikhulu. Uketshezi lokushayela ludlala indima ebaluleke kakhulu ekubizeni uwoyela. Akukona kuphela indlela yokudlulisa amandla wamathuluzi wokumba, kepha futhi idlala indima ekupholiseni ukumba okuncane, ukuthwala ukusikwa nokuzinza umthombo. Ukuze kufezeke le misebenzi, uketshezi oludonsayo ludinga ukuba ne-viscosity efanelekile noshukela, futhi umphumela wokuqina we-HEC ungakhulisa ngempumelelo umthamo woketshezi, futhi uthuthukise ukuletha kangcono ukusika phansi komthombo, futhi uvikele ukuvalwa komthombo.
2. Ukumisa Umphumela Wokumisa
Ngesikhathi senqubo yokumba kawoyela, uketshezi oludonsayo ludinga ukugcina ukusikwa kwedwala phansi, ukusikwa kwe-dring kanye nezinhlayiya eziqinile kumiswe ngokuvimbela ukuxazulula phansi komthombo noma odongeni kahle. Njenge-ejenti esombile, i-HEC ingalawula ngempumelelo isimo sokumiswa kwezinhlayiya eziqinile ku-drive fluid ekugxileni okuphansi. I-solubility yayo enhle ne-viscoeliasticity vumela uketshezi oludonsayo ukuze lihlale esimweni sokumiswa esizinzile ngaphansi kwezimo zokugeleza eziphansi noma eziphansi, ngaleyo ndlela ngcono ekudleni kabusha nokuphepha.
3. Ukugcotshwa komphumela
Ngesikhathi sokushayela uwoyela, ukungqubuzana phakathi kwe-drill bit kanye nodonga olunzulu kuzokhiqiza ukushisa okuningi, okungeke kusheshise ukugqokwa kwe-drill kancane, kodwa futhi kungadala izingozi zokumba. I-HEC inezakhiwo ezinhle zokuthambisa. Kungakha ifilimu evikela uketshezi oluvuthayo, kunciphise ukungqubuzana phakathi kwethuluzi lokushayela kanye nodonga olunzulu, ngaleyo ndlela kunciphise izinga lokugqoka le-drill bit kanye nokunweba impilo yenkonzo ye-drill bit. Ngaphezu kwalokho, umphumela wokuthambisa we-HEC futhi unganciphisa ubungozi bokuwa odongeni kahle futhi uqinisekise inqubekela phambili ebushelelezi yokusebenza kwemisebenzi.
4. Umthethonqubo we-Rheological
Impahla yeRheological yokushayela uketshezi isho ushukela ngaphansi kwezimo ezahlukene, ezibalulekile ukuqinisekisa ukuphepha nokusebenza kahle kokumba. I-HEC ingaguqula izakhiwo zesilongo zoketshezi lokumba ukuze ibe noshukela omuhle ngesikhathi sokumba futhi ingakhombisa ukwesekwa okuqinile nokumiswa lapho kudingeka. Isibonelo, ngaphansi kwezinga lokushisa eliphakeme kanye nezimo eziphakeme zokucindezela, izakhiwo zesimbozo soketshezi sokumba zingashintsha. Ukungezwa kwe-HEC kungaqinisa izakhiwo zayo ezimbongini ukuze kusakwazi ukugcina ukusebenza okuhle ngaphansi kwezimo ezimbi kakhulu.
I-5. Umphumela Wokulahleka Kwamanzi
Ngesikhathi senqubo yokumba, amanzi asofini lokumba angangena ekwakhekeni, okwenza udonga kahle ukuba ungazinzile noma ukuwa, okubizwa ngokuthi yinkinga yokulahlekelwa kwamanzi. I-HEC inganciphisa ngempumelelo ukulahleka kwamanzi kokushayela uketshezi ngokwakha ikhekhe eliminyene elisodongeni kahle ukuvikela amanzi uketshezi olungena kulolukwakhiwa. Lokhu akusizi kuphela ukuvikela ukuqina kodonga kahle, kepha futhi kuvimbela ukungcoliswa kokwakha nokunciphisa izingozi zemvelo.
6. Ubungane bezemvelo
I-HEC iyi-cellulose yemvelo etholwa nge-biodegrade enhle kanye nobuthi obuphansi. Ngeke kubangele ukungcoliswa okuqhubekayo emvelweni ngenkathi kusetshenziswa. Lokhu kwenza kube yikhetho elinobungani bezemvelo ekubizeni uwoyela, ikakhulukazi namuhla lapho izidingo zokuvikelwa kwezemvelo sezikhudlwana, futhi izakhiwo eziluhlaza ze-HEC zingeza izinzuzo ezingezekile kuhlelo lokusebenza lwayo lokumba uketshezi lwayo.
IHydroxYethyl Cellulose (HEC) idlala indima ebalulekile ekubizeni uwoyela. Njengomkhulu, omisa umhlinzeki we-ejenti, ukugcoba, kanye nomlawuli we-Rheology, i-HEC ingathuthuka kakhulu ukusebenza koketshezi lokumba, yandisa ukusebenza kahle kokuqina kanye nokuvinjelwa kahle. Ngaphezu kwalokho, ubungani bezemvelo be-HEC bukwenza kube yinto ebaluleke kakhulu kwinqubo yesimanje yokumba uwoyela. Ngokuthuthuka kobuchwepheshe, amathemba wohlelo lokusebenza we-HEC ekuvuthweni kwamafutha azobanzi futhi angakhombisa amandla awo emikhakheni eminingi.
Isikhathi sePosi: Feb-17-2025