Carboxymethyl cellulose (CMC) bụ polymer soluble mmiri nke ewepụtara na cellulose, nke a na-ejikarị eme ihe na ụlọ ọrụ dị iche iche maka ihe na-eme ka ọ sie ike, na-eme ka ọ kwụsie ike na emulsifying. Nnukwu viscosity CMC (CMC-HV) karịsịa nwere njirimara pụrụ iche na-eme ka ọ baa uru na ngwa ndị metụtara mmanụ ala.
1. Chemical Structure na Nhazi
A na-emepụta CMC site na mgbanwe kemịkalụ nke cellulose, polymer eke dị na mgbidi cell osisi. Usoro a gụnyere iwebata otu carboxymethyl (-CH2-COOH) n'ime ọkpụkpụ azụ cellulose, nke na-eme ka cellulose soluble na mmiri. Ogo nke nnọchi (DS), nke na-ezo aka na nkezi ọnụọgụ nke otu carboxymethyl otu anhydroglucose n'ime molekul cellulose, na-emetụta njirimara CMC nke ukwuu. Mmanụ ala viscosity dị elu CMC na-enwekarị DS dị elu, na-eme ka ike mmiri ya na viscosity dịkwuo elu.
2. Nnukwu viscosity
Ihe njirimara nke CMC-HV bụ nnukwu viscosity ya mgbe agbazere na mmiri. Viscosity bụ ihe nleba anya nke mmiri na-eguzogide mmiri, na nnukwu viscosity CMC na-etolite ngwọta dị oke, gel-dị ka ọ bụrụgodị na ọ dị obere. Ngwongwo a dị oke mkpa na ngwa mmanụ ala ebe a na-eji CMC-HV gbanwee njirimara reological nke igwu mmiri na usoro ndị ọzọ. Nnukwu viscosity na-eme ka nkwusioru siri ike nke ọma, mma mmanu mmanu, na nkwụsi ike nke apịtị a na-egwupụta ihe.
3. Mmiri Solubility
CMC-HV na-agbaze nke ukwuu na mmiri, nke bụ isi ihe achọrọ maka iji ya na ụlọ ọrụ mmanụ ala. Mgbe agbakwunyere na mmiri na-emepụta mmiri, ọ na-agbaze ngwa ngwa ma gbazee, na-eme ka ngwọta dị n'otu. Solubility a dị mkpa maka nkwadebe nke ọma na itinye mmiri mmiri na-egwupụta ihe, slurries ciment, na mmiri mmecha na ọrụ mmanụ ala.
4. Thermal kwụsie ike
Ọrụ mmanụ ala na-agụnyekarị gburugburu ebe okpomọkụ dị elu, na nkwụsi ike nke okpomọkụ nke CMC-HV dị oke mkpa. Emebere ọkwa CMC a ka ọ nọgide na-enwe viscosity na arụ ọrụ ya n'okpuru okpomọkụ dị elu, na-adịkarị ruo 150°C (302°F). Nkwụsi ike nke okpomọkụ a na-eme ka arụ ọrụ na-arụ ọrụ na-arụ ọrụ na-arụ ọrụ na-ekpo ọkụ na-ekpo ọkụ na usoro mmepụta ihe, na-egbochi mmebi na ọnwụ nke ihe onwunwe.
5. pH kwụsie ike
CMC-HV na-egosipụta nkwụsi ike dị mma n'ofe pH dịgasị iche iche, na-emekarị site na 4 ruo 11. Nkwụsi ike pH a dị mkpa n'ihi na mmiri na-egwupụta mmiri na ihe ndị ọzọ metụtara mmanụ ala nwere ike izute ọnọdụ pH dị iche iche. Idebe viscosity na ịrụ ọrụ na gburugburu pH dị iche iche na-eme ka arụmọrụ na ntụkwasị obi nke CMC-HV dị na ọnọdụ ọrụ dị iche iche.
6. Ntachi obi nnu
N'ime ngwa mmanụ ala, mmiri na-abanyekarị na nnu dị iche iche na electrolytes. A haziri CMC-HV ka ọ na-anagide ebe ndị dị otú ahụ, na-ejigide viscosity ya na ihe ndị na-arụ ọrụ na ọnụnọ nnu. Nkwenye nnu a bara uru karịsịa na mkpọpu mmiri n'ikpere mmiri na ọrụ ndị ọzọ ebe ọnọdụ saline juru ebe niile.
7. Njikwa nzacha
Otu n'ime isi ọrụ nke CMC-HV na mmiri mmiri na-egwupụta mmiri bụ ịchịkwa mfu mmiri, nke a makwaara dị ka njikwa filtration. Mgbe eji na-egwupụta ala apịtị, CMC-HV na-enyere aka na-etolite a mkpa, impermeable nyo achicha na mgbidi nke borehole, na-egbochi oké mmiri mmiri ọnwụ n'ime guzobe. Njikwa nzacha a dị oke mkpa maka idowe nkwụsi ike nke olulu mmiri yana igbochi mmebi nguzobe.
8. Biodegradable na mmetụta gburugburu ebe obibi
Dị ka nhọrọ mara gburugburu ebe obibi, CMC-HV bụ ihe na-emebi emebi ma na-enweta ya site na akụrụngwa enwere ike imeghari. Biodegradability ya pụtara na ọ na-akụda n'ụzọ nkịtị ka oge na-aga, na-ebelata mmetụta gburugburu ebe obibi ma e jiri ya tụnyere polymers sịntetik. Njirimara a na-adịwanye mkpa ka ụlọ ọrụ mmanụ ala na-elekwasị anya na nkwado na ibelata akara ukwu gburugburu ebe obibi.
9. Ndakọrịta na ihe mgbakwunye ndị ọzọ
A na-ejikarị CMC-HV na-ejikọta ya na ihe mgbakwunye ndị ọzọ na-egwupụta mmiri na ihe ndị ọzọ mmanụ ụgbọala. Ndakọrịta ya na kemịkalụ dị iche iche, dị ka xanthan gum, guar gum, na polymers sịntetik, na-enye ohere maka nhazi nke akụrụngwa mmiri iji gboo mkpa arụ ọrụ. Nke a na-agbanwe agbanwe na-eme ka arụ ọrụ na ịdị irè nke igwu mmiri mmiri.
10. Mmanu mmanu
N'ịrụ ọrụ ngwuputa, ibelata esemokwu n'etiti eriri egwu na olulu mmiri dị mkpa maka ịkụ ala nke ọma na ibelata iyi. CMC-HV na-enye aka na mmanu nke mmiri mmiri na-egwupụta ihe, na-ebelata ihe ike na ịdọrọ, na imeziwanye arụmọrụ nke usoro ịkụ ihe. Mmanu mmanu a na-enyekwara aka n'ịgbatị ndụ akụrụngwa akụrụngwa.
11. Nkwusioru na nkwụsi ike
Ikike nke ịkwụsịtụ na ịkwado ihe siri ike n'ime mmiri na-egwupụta ihe dị oke mkpa iji gbochie nhazi na ịhụ na ihe ndị dị n'otu n'ime mmiri ahụ dum. CMC-HV na-enye ikike nkwusioru dị mma, na-edobe ihe ndị na-ebu ibu, ịkpụ na ihe siri ike ndị ọzọ na-ekesa nke ọma. Nkwụsi ike a dị oké mkpa maka idowe ihe ndị na-eme ka mmiri na-egwu mmiri na-agbanwe agbanwe yana igbochi okwu arụ ọrụ.
12. Ngwa-Ọbara uru
Fluids Drilling Fluids: N'ime mmiri na-egwupụta ihe, CMC-HV na-eme ka viscosity dịkwuo mma, na-achịkwa mfu mmiri, na-eme ka olulu mmiri kwụsie ike, ma na-enye mmanu mmanu. Ngwongwo ya na-eme ka ọrụ mkpọ mmiri na-arụ ọrụ nke ọma, na-ebelata mmetụta gburugburu ebe obibi, ma melite arụmọrụ n'ozuzu nke usoro mmiri mmiri.
Mmiri Mmecha: Na mmiri na-emecha, a na-eji CMC-HV chịkwaa nkwụsị mmiri, mee ka ọkpụkpụ olulu mmiri guzosie ike, ma hụ na iguzosi ike n'ezi ihe nke usoro mmecha. Nkwụsi ike nke okpomọkụ ya na ndakọrịta ya na ihe mgbakwunye ndị ọzọ na-eme ka ọ dị mma maka iji ọkụ na-ekpo ọkụ na olulu mmiri dị elu.
Ọrụ Cementing: N'ime slurries ciment, CMC-HV na-arụ ọrụ dị ka viscosifier na onye na-achịkwa ọnwụ mmiri. Ọ na-enyere aka n'inweta ihe ndị a chọrọ nke rheological nke ciment slurry, na-eme ka ntinye na nhazi nke ciment kwesịrị ekwesị, na igbochi ịkwaga gas na mfu mmiri.
Mmanụ ala viscosity CMC (CMC-HV) bụ polymer bara uru na nke dị mkpa na ụlọ ọrụ mmanụ ala. Njiri mara ya pụrụ iche, gụnyere viscosity dị elu, solubility mmiri, nkwụsi ike ọkụ na pH, nnabata nnu, njikwa filtration, biodegradability na ndakọrịta na mgbakwunye ndị ọzọ, na-eme ka ọ dị mkpa maka ngwa dị iche iche metụtara mmanụ ala. Site na igwu mmiri ruo ngwucha na ịrụ ọrụ ciment, CMC-HV na-eme ka arụmọrụ, arụmọrụ, na nkwado gburugburu ebe obibi nke mmịpụta mmanụ na mmepụta ihe. Ka ụlọ ọrụ ahụ na-aga n'ihu na-etolite, ọchịchọ maka ịrụ ọrụ dị elu, ihe mgbakwunye gburugburu ebe obibi dị ka CMC-HV ga-abawanye, na-egosipụta ọrụ ya dị oke mkpa na ọrụ mmanụ ụgbọala ọgbara ọhụrụ.
Oge nzipu: Jun-06-2024