Taw qhia
Hauv kev lag luam roj thiab roj niaj hnub no, kev ua haujlwm ntawm cov kua dej ua haujlwm ua lub luag haujlwm tseem ceeb hauv kev ua kom muaj txiaj ntsig, kev nyab xeeb, thiab kev tswj hwm tus nqi. Ntawm ntau yam additives,Carboxymethyl Cellulose (CMC)thiabbentoniteyog ob ntawm cov khoom siv dav tshaj plaws hauv dej -raws li drilling kua.
Thaum bentonite muab cov qauv tseem ceeb ntawm cov dej drilling, CMC ua haujlwm zoo li -kev ua tau zoo ntxiv uas txhim kho cov kua dej zoo. Kev nkag siab txog yuav ua li cas ob cov ntaub ntawv no ua haujlwm ua ke yog qhov tseem ceeb rau kev ua kom zoo dua qhov drilling.
Dab tsi yog Bentonite hauv Drilling Fluids?
Bentonite yog cov av nplaum uas tshwm sim tau dav siv hauv kev ua haujlwm drilling vim nws muaj peev xwm:
Muabyooj yim viscosity
Nqa cov laum txiav rau saum npoo
Ua ib lub ncuav mog qab zib lim rau ntawm phab ntsa wellbore
Txhim kho kev ncua kev ruaj ntseg
Txawm li cas los xij, bentonite ib leeg muaj kev txwv, tshwj xeeb tshaj yog nyob rau hauv kev tswj cov kua dej thiab tswj kev ua tau zoo nyob rau hauv cov txheej txheem geological nyuaj.
Lub luag haujlwm ntawm CMC hauv Drilling Applications
Carboxymethyl Cellulose (CMC) yog dej -soluble polymer uas ua raws li cov khoom siv ntau yam hauv cov dej drilling.
Nws lub luag haujlwm tseem ceeb suav nrog:
Kev tswj tsis tau dej- txo filtration rau hauv formations
Wellbore stabilization- txhim kho av nkos ncuav mog qab zib zoo
Rheology hloov kho- txhim kho viscosity thiab ntws tus cwj pwm
Suspension stability- tiv thaiv kom ruaj khov
CMC yog tshwj xeeb tshaj yog zoo nyob rau hauv kev txhim kho drilling kua dej thaum siv ua ke nrog bentonite.
Vim li cas CMC thiab Bentonite siv ua ke
Kev sib xyaw ua ke ntawm bentonite thiab CMC tsim kom muaj kev sib koom ua ke:
| Cheebtsam | Muaj nuj nqi |
|---|---|
| Bentonite | Muab lub hauv paus viscosity thiab qauv |
| CMC | Tswj cov dej poob thiab txhim khu kev ruaj ntseg |
Tsis muaj CMC:
High filtration tus nqi
Poor av nkos ncuav mog qab zib zoo
Ua kom muaj kev pheej hmoo ntawm qhov tsis zoo ntawm qhov chaw zoo
Nrog CMC:
Txo dej poob
Thinner, denser lim ncuav mog qab zib
Txhim kho drilling efficiency
Qhov kev sib xyaw no suav tias yog ib qhoqauv qauv hauv dej-raws li drilling kua.
CMC hauv Bentonite Processing (Secondary Application)
Txawm hais tias tsawg dua, CMC tuaj yeem siv tau thaum lub sijhawm ua haujlwm bentonite raws li kev hloov kho ntxiv rau:
Txhim kho kev ua haujlwm dispersion
Txhim kho cov khoom raug ncua
Kho tus cwj pwm rheological
Qhov no feem ntau yog siv rau hauvsiab -kev ua tau zoo los yog kho cov dej drilling tshuab.
Xaiv Txoj Cai: CMC vs PAC
Nyob ntawm cov xwm txheej drilling, cov qib sib txawv yog siv:
CMC LV (Low Viscosity)
Qhov zoo tshaj plaws rau kev tswj tsis tau dej nrog tsawg viscosity nce
CMC HV (High Viscosity)
Muab ob qho tib si viscosity thiab filtration tswj
PAC (Polyanionic Cellulose)
Muab superiorntsev kuj thiab thermal stability, ua rau nws tsim nyog rau kev xav tau oilfield tej yam kev mob
Xaus
CMC thiab bentonite ua lub luag haujlwm ntxiv hauv cov kua dej drilling. Thaum bentonite tsim lub hauv paus ntawm cov kua dej, CMC txhim kho nws cov kev ua tau zoo los ntawm kev tswj cov kua dej thiab stabilizing lub qhov dej.
Kev sib xyaw ua ke zoo ntawm ob cov ntaub ntawv no ua rau kev txhim kho drilling efficiency, txo cov kev pheej hmoo ntawm kev ua haujlwm, thiab cov nqi kho kom zoo, ua rau lawv tseem ceeb hauv kev siv roj av niaj hnub no.
Hais txog Hondo Chemical
Hondo Chemical yog cov chaw tsim khoom lag luamCMC (Carboxymethyl Cellulose)thiabPAC (Polyanionic Cellulose)txij li xyoo 2008, nrog rau txhua xyoo muaj peev xwm ntawm 20,000 tons thoob plaws 8 cov kab ntau lawm.
Peb tshwj xeeb hauv:
Roj drilling qib CMC (LV, HV)
PAC (LV, HV) muaj zog ntsev tsis kam
Qhov zoo sib xws thiab tus nqi sib tw
Peb cov khoom siv dav siv hauv cov dej drilling, mining, khoom noj khoom haus, thiab kev siv hauv kev lag luam.
Nrhiav rau CMC / PAC tus neeg muag khoom txhim khu kev qha?Hu rau Hondo Chemical hnub no.
