Carboxymethyl cellulose CMC-Oil drilling

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Carboxymethylation cov tshuaj tiv thaiv yog ib qho ntawm etherification technologies.Tom qab Carboxymethylation ntawm cellulose, carboxymethyl cellulose (CMC) tau txais.Nws cov tshuaj aqueous muaj cov haujlwm ntawm thickening, film-forming, bonding, dej tuav, colloidal tiv thaiv, emulsification thiab ncua kev kawm ntawv.Nws yog dav siv hauv roj av, zaub mov, tshuaj, textile thiab papermaking industries.Nws yog ib qho tseem ceeb tshaj plaws ntawm cov cellulose ethers.Nrog peb cov kws tshaj lij nyob rau lub sijhawm ntev hauv kev lag luam tshuaj lom neeg, peb puas muab koj cov lus qhia tshaj lij ntawm cov khoom thiab cov kev daws teeb meem rau koj lub hom phiaj tshwj xeeb.Peb zoo siab los pab koj xaiv cov ntaub ntawv uas tsim nyog rau koj.Cia li nias mus nrhiav cov ntawv thov hauv koj qhov kev lag luam: CMC hauv cov khoom noj, roj av, luam ntawv thiab dyeing, ceramics, tshuaj txhuam hniav, floating beneficiation, roj teeb, txheej, putty hmoov thiab papermaking.

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Petroleum qib CMC qauv: CMC - HV;CMC-LV;CMC-LVT/LV;CMC - HVT
Nws muaj peev xwm tswj tsis tau dej siab, tshwj xeeb tshaj yog cov kua dej poob qis.Nrog rau kev siv tsawg, nws tuaj yeem tswj cov dej poob ntawm qib siab yam tsis muaj kev cuam tshuam lwm yam khoom ntawm av nkos;
Nws muaj qhov kub thiab txias tsis kam thiab zoo ntsev tsis kam.Nws tseem tuaj yeem muaj peev xwm txo qis dej zoo thiab qee qhov rheology nyob rau hauv qee qhov ntsev concentration.Lub viscosity yuav luag tsis hloov tom qab yaj hauv dej ntsev.Nws yog tshwj xeeb tshaj yog haum rau offshore drilling thiab tob qhov dej;
Nws tuaj yeem tswj tau qhov rheology ntawm av nkos thiab muaj thixotropy zoo.Nws yog qhov tsim nyog rau txhua qhov dej-raws li av nkos hauv dej tshiab, seawater thiab saturated brine;

CMC-Application In Petroleum

1. Lub luag haujlwm ntawm CMC hauv cov roj av yog raws li hauv qab no:
- CMC tuaj yeem txo cov dej poob ntawm phab ntsa dej thiab txo qhov permeability ntawm cov av nkos;
- Tom qab ntxiv CMC rau hauv av, qhov drilling rig tuaj yeem tau txais qis qis qis qis qis, kom cov av nkos yooj yim tso cov roj ntim rau hauv nws, thiab cov khib nyiab tuaj yeem muab pov tseg sai sai hauv cov av nkos;
- Zoo li lwm yam kev tshem tawm dispersions, drilling av nkos muaj qee lub sijhawm muaj nyob, uas tuaj yeem ruaj khov thiab txuas ntxiv tom qab CMC.
2. CMC muaj qhov ua tau zoo hauv qab no hauv daim ntawv thov roj av:
- Kev hloov pauv qib siab, kev hloov pauv zoo sib xws, siab viscosity thiab tsawg npaum li cas, uas tuaj yeem txhim kho cov kev pabcuam zoo ntawm av nkos;
- Zoo noo noo tsis kam, ntsev tiv thaiv thiab alkali tsis kam, haum rau dej tshiab, seawater thiab saturated brine dej raws av nkos;
- Lub ncuav mog qab zib av nkos tsim yog qhov zoo thiab ruaj khov, uas tuaj yeem txhim kho cov av mos zoo
- Nws yog tsim rau cov av nkos nrog cov ntsiab lus nyuaj tswj thiab ntau qhov sib txawv.

Paub meej Parameters

Tus nqi ntxiv (%)
Drilling tus neeg saib xyuas kev kho mob	0.4-0.6%
Yog tias koj xav tau kho, koj tuaj yeem muab cov qauv qhia ntxaws thiab txheej txheem.

Qhov taw qhia
	CMC-HV	CMC-LV
Xim	Dawb los yog lub teeb daj hmoov	Dawb los yog lub teeb daj Hmoov los yog particle
dej cov ntsiab lus	10.0%	10.0%
PH	7.5-9.5 Nws	7.5-9.5 Nws
Degree ntawm kev hloov	0.70 ib	0.80 ib
Purity	65%	60%

CMC ua tau raws li American API-13A tus qauv		CMC - LVT/LV	CMC - HVT	CMC - HV
600r / min nyeem ntawv	Hauv dej tshiab	≤90	≥30	≥50
	4% yog '		≥30	≥50
	Saturated brine		≥30	≥50
Filtration poob (API), ML		≤90	≥30	≤ 8