FC-620S Cov tshuaj ntxiv rau kev tswj cov kua dej poob
• FC-620S yog cov tshuaj polymer uas ua rau cov kua dej poob qisrau cov cement siv rau hauvqhov rojthiab tsim los ntawm copolymerization nrogAMPSua lub ntsiabmonomer nrog qhov kub thiab txias zoo thiab tsis kam ntsevthiab ua ke nrog lwm cov tshuaj tiv thaiv ntsevmonomers. Lubcov molecule muaj ntau pawg adsorptive heev xws li - CONH2, - SO3H, - COOH, uas ua sislub luag haujlwm tseem ceeb hauv kev tiv thaiv ntsev, tiv taus kub, nqus dej dawb, txo dej poob, thiab lwm yam.
• FC-620S yog tsim rau qhov kub thiab txias davnrogkub siab tiv taus txog li 150 ℃Tom qab siv, tuskev ua haujlwm ntawm cov cement slurry systemzoo, ruaj khov nrog cov kua dej tsawg dua thiab tsis ua rau qeeb qeeb kev teeb tsa thiab lub zog tsim tawm sai.
•FC-620Sistsim nyog rau ntau yam dej hiav txwv cement slurry systems. Nws muaj kev sib raug zoo nrog lwm cov additives.
•FC-620S muaj kev sib xyaw ua ke zoo, tshwj xeeb tshaj yog tsim rau cov dej tshiab uas muaj cov khoom khov lossis cov khoom zoo heev.
Cov chaw roj kub siab ntsib ntau yam teeb meem tshwj xeeb thaum nws los txog rau kev sib xyaw ua ke qhov dej. Ib qho ntawm cov teeb meem no yog qhov teeb meem ntawm kev poob kua, uas tuaj yeem tshwm sim thaum cov av nkos lim dej nkag mus rau hauv qhov chaw thiab ua rau cov kua dej tsawg dua. Txhawm rau daws qhov teeb meem no, peb tau tsim cov khoom siv txo cov kua dej uas tsim tshwj xeeb rau kev siv hauv cov chaw roj kub siab.
| Khoom | Pawg | Cheebtsam | Ntau yam |
| FC-620S | FLAC LT | AMPS+AM | <150degC |
| Khoom | Index |
| Qhov tsos | Dawb rau lub teeb daj hmoov |
| Khoom | Cov ntsuas kev txawj ntse | Kev kuaj mob |
| Kev poob dej, ml | ≤50 | 80 ℃, 6.9MPa |
| Lub sijhawm ntau viscosity, min | ≥60 | 80 ℃, 45MPa / 45 feeb |
| Kev sib xws thawj zaug, Bc | ≤30 |
|
| Lub zog compressive, MPa | ≥14 | 80 ℃, qhov siab ib txwm, 24 teev |
| Dej dawb, ml | ≤1.0 | 80 ℃, qhov siab ib txwm muaj |
| Cov khoom ntawm cov cement slurry: 100% qib G cement (High sulfate-resistant) + 44.0% dej hiav txwv + 0.8% FC-620S + 0.5% defoaming agent. | ||
Tau ntau tshaj 20 xyoo, cov tshuaj tswj kev poob kua tau ntxiv rau hauv cov roj av cement slurries thiab tam sim no nws tau lees paub hauv kev lag luam tias qhov zoo ntawm cov haujlwm cementing tau zoo dua qub. Tseeb tiag, nws feem ntau lees paub meej tias tsis muaj kev tswj kev poob kua yuav yog lub luag haujlwm rau kev ua tsis tiav ntawm cov cementing thawj zaug, vim yog qhov ntom ntom ntau dhau lossis annulus bridging thiab tias kev tsim los ntawm cement filtrate tuaj yeem ua rau muaj kev phom sij rau kev tsim khoom. Cov tshuaj ntxiv rau kev poob kua tsis tsuas yog tuaj yeem tswj tau qhov poob kua ntawm cov cement slurry, tab sis kuj tiv thaiv cov roj thiab cov roj txheej kom tsis txhob raug kuab paug los ntawm cov kua lim thiab yog li ua rau kom muaj kev rov zoo dua.
