CMC (Carboxymethyl Cellulose) yog ib yam tshuaj lom neeg siv dav hauv kev lag luam roj drilling, feem ntau yog ua kom tuab thiab ruaj khov rau cov kua drilling. Nws qhov cuam tshuam rau kev ua haujlwm drilling yog ntau yam thiab tuaj yeem tham txog los ntawm kev pom ntawm kev txhim kho kev ua haujlwm ntawm cov kua drilling, txo cov teeb meem thaum lub sijhawm drilling, thiab ua kom zoo dua cov txheej txheem drilling.
1. Cov Haujlwm Tseem Ceeb ntawm CMC
cov nyhuv tuab
CMC tuaj yeem ua rau cov kua drilling viscosity ntau dua. Cov yam ntxwv no tseem ceeb heev rau kev ua haujlwm drilling vim tias cov kua drilling thickened tuaj yeem muab kev nqa tau zoo dua thiab kev thauj mus los, pab tshem tawm cov txiav ntawm lub qhov dej thiab tiv thaiv lawv cov deposition. Tib lub sijhawm, viscosity siab dua pab tswj kev ncua zoo hauv cov formations nyuaj thiab tiv thaiv cov txiav los ntawm clogging lub qhov dej.
kev ruaj khov ntawm cov kua
CMC muaj zog yaj hauv dej thiab tiv taus kub thiab ntsev, uas ua rau nws ua haujlwm ruaj khov hauv qab ntau yam geological. Nws cov tshuaj lom neeg ruaj khov thiab cov khoom siv lubrication zoo heev txo ntau yam teeb meem tshwm sim los ntawm kev tsis ruaj khov ntawm cov kua dej drilling thaum lub sijhawm drilling, xws li cov av nkos, cov pa roj tawm, thiab lwm yam.
Txo cov kua dej poob ntawm cov av nkos uas muaj dej ntau
Los ntawm kev sib koom tes nrog lwm yam khoom, CMC tuaj yeem txo qhov lim dej poob ntawm cov kua dej drilling, yog li tiv thaiv dej nkag mus rau hauv av, txo kev puas tsuaj rau cov pob zeb nyob ib puag ncig, tiv thaiv phab ntsa qhov dej, thiab yog li txhim kho kev ua haujlwm drilling.
2. Qhov cuam tshuam tshwj xeeb ntawm CMC rau kev ua haujlwm ntawm qhov drilling
Txhim kho kev ua haujlwm ntxuav ntawm cov kua dej drilling
Thaum lub sijhawm ua haujlwm drilling, qhov kev sib txhuam ntawm lub laum ntsis thiab cov qauv yuav tsim ntau cov txiav. Yog tias lawv tsis tuaj yeem tshem tawm raws sijhawm, nws yuav ua rau muaj kev cuam tshuam rau kev ua haujlwm drilling. CMC txhim kho qhov kev ncua thiab lub peev xwm nqa ntawm cov kua drilling, uas tuaj yeem coj cov txiav no tawm ntawm lub qhov dej kom ntseeg tau tias lub qhov dej huv. Lub luag haujlwm no tseem ceeb heev rau cov hom qhov dej nyuaj xws li cov qhov dej tob, cov qhov dej tob heev, thiab cov qhov dej kab rov tav. Nws tuaj yeem zam tau cov teeb meem xws li qhov dej txhaws thiab cov ntsis lo, yog li ua rau kev drilling ceev dua.
Txo qhov kev pheej hmoo ntawm kev tawg ntawm lub ncej
Hauv qee cov pob zeb mos lossis xoob, ib qho ntawm cov haujlwm tseem ceeb ntawm cov kua dej drilling yog los tswj kom ruaj khov ntawm phab ntsa qhov dej. Ua ib qho thickener, CMC tuaj yeem txhim kho qhov lo ntawm cov kua dej drilling, uas tso cai rau cov kua dej drilling los tsim ib daim zaj duab xis tiv thaiv ntawm phab ntsa qhov dej kom tiv thaiv phab ntsa qhov dej kom tsis txhob vau lossis cov av nkos nkag mus rau hauv cov pob zeb ib puag ncig. Qhov no tsis yog tsuas yog txhim kho kev nyab xeeb ntawm kev ua haujlwm drilling, tab sis kuj txo cov sijhawm tsis ua haujlwm uas tshwm sim los ntawm kev tsis ruaj khov ntawm phab ntsa qhov dej, yog li txhim kho kev ua haujlwm drilling.
Txo cov dej ntws los ntawm kev khawb av
Thaum lub sijhawm ua cov txheej txheem drilling, cov kua drilling yuav nkag mus rau hauv cov av hauv av, tshwj xeeb tshaj yog nyob rau hauv cov cheeb tsam uas pob zeb muaj porosity siab lossis tawg. CMC tuaj yeem tswj tau qhov poob ntawm cov kua drilling thiab txo qhov poob ntawm cov kua drilling hauv cov qhov thiab tawg. Qhov no tsis yog tsuas yog pab txuag cov nqi drilling, tab sis kuj tiv thaiv cov kua drilling kom tsis txhob poob sai dhau thiab cuam tshuam rau kev ua haujlwm, kom ntseeg tau tias cov kua drilling txuas ntxiv ua nws txoj haujlwm zoo.
Txhim kho qhov ua tau zoo ntawm kev khawb thiab ua kom luv lub voj voog ntawm kev khawb
Vim tias CMC ua kom cov kua dej drilling ua haujlwm tau zoo dua, nws ua tau zoo dua hauv kev ntxuav lub qhov dej, ua kom lub phab ntsa qhov dej ruaj khov, thiab nqa cov txiav, yog li txo cov teeb meem ntau yam uas ntsib thaum lub sijhawm drilling thiab xyuas kom meej tias kev ua haujlwm drilling tuaj yeem du thiab ua tau zoo. Kev ruaj khov thiab kev ua haujlwm ntxuav ntawm cov kua dej drilling cuam tshuam ncaj qha rau kev nce qib ntawm kev drilling. Kev siv CMC ua rau qhov ceev drilling nce ntxiv, yog li ua rau lub voj voog drilling luv dua thiab txo cov nqi ua haujlwm tag nrho.
3. Piv txwv ntawm daim ntawv thov thiab cov txiaj ntsig ntawm CMC
kev khawb qhov dej tob
Thaum lub qhov dej tob tob, thaum qhov tob ntawm qhov dej nce ntxiv thiab qhov siab ntawm lub qhov dej nce ntxiv, qhov ruaj khov thiab kev ncua ntawm cov kua dej drilling yog qhov tseem ceeb heev. Los ntawm kev ntxiv CMC, qhov viscosity ntawm cov kua dej drilling tuaj yeem txhim kho, lub peev xwm nqa ntawm cov txiav tuaj yeem txhim kho, thiab kev ncig ntawm cov kua dej drilling tuaj yeem ua kom ntseeg tau. Tsis tas li ntawd, CMC tuaj yeem txo cov sijhawm pov tseg los ntawm phab ntsa qhov dej tawg thiab xau, txhim kho kev ua haujlwm ntawm kev drilling qhov dej tob.
Kev khawb av kub thiab siab siab
Hauv cov formations uas muaj qhov kub thiab txias siab thiab muaj kev nyuaj siab, cov kua drilling yuav tsum muaj kev ruaj khov thermal thiab kev tiv taus siab. CMC tsis yog tsuas yog ua rau cov nyhuv tuab ntawm qhov kub ib txwm, tab sis kuj tseem tswj tau qhov ruaj khov zoo hauv qhov chaw kub siab kom tsis txhob muaj kev puas tsuaj ntawm cov kua drilling. Hauv kev siv tiag tiag, CMC txo cov kua drilling poob thaum lub sijhawm drilling hauv cov formations zoo li no thiab txo cov sijhawm tsis ua haujlwm los ntawm cov teeb meem drilling fluid.
kev khawb qhov dej kab rov tav
Thaum lub sijhawm drilling ntawm cov qhov dej kab rov tav, txij li thaum qhov ruaj khov ntawm phab ntsa qhov dej thiab kev tshem tawm ntawm cov cuttings yog qhov nyuaj heev, kev siv ntawmCMC Ua ib yam khoom ua kom tuab muaj cov teebmeem tseem ceeb. CMC tuaj yeem txhim kho qhov rheology ntawm cov kua dej drilling, pab cov kua dej drilling kom muaj kev ncua thiab kev thauj mus los zoo, yog li ntawd cov txiav tuaj yeem raug tshem tawm raws sijhawm, zam cov teeb meem xws li daig thiab thaiv, thiab txhim kho kev ua haujlwm ntawm kev drilling qhov dej kab rov tav.
Ua ib qho tshuaj ntxiv rau cov kua dej drilling, CMC siv rau hauv cov txheej txheem drilling ua rau kev ua haujlwm drilling zoo dua. Los ntawm kev txhim kho qhov viscosity, kev ruaj khov thiab rheological cov khoom ntawm cov kua drilling, CMC ua lub luag haujlwm tseem ceeb hauv kev ntxuav lub qhov dej, txo qhov phab ntsa qhov dej tawg, tswj kev poob kua, thiab nce qhov ceev ntawm drilling. Nrog rau kev txhim kho tas mus li ntawm cov thev naus laus zis drilling, CMC muaj kev cia siab dav dav hauv ntau qhov chaw nyuaj thiab yuav txuas ntxiv ua lub luag haujlwm tseem ceeb hauv kev ua haujlwm drilling yav tom ntej.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-21-2024