Petroleum Grade Carboxymethyl Cellulose (CMC) yog cov tshuaj tseem ceeb siv hauv kev lag luam roj thiab roj, tshwj xeeb hauv cov kua dej drilling. Lub npe "LV" sawv cev rau "Low Viscosity," qhia txog nws lub cev tshwj xeeb thiab tsim nyog rau cov ntawv thov tshwj xeeb hauv kev rho tawm roj av thiab kev ua haujlwm.
Muaj pes tsawg leeg thiab cov khoom ntawm Petroleum Qib CMC-LV
Carboxymethyl Cellulose yog dej-soluble polymer muab los ntawm cellulose, ib tug natural polymer pom nyob rau hauv cov nroj tsuag cell phab ntsa. Qhov "tsawg viscosity" variant muaj cov yam ntxwv tshwj xeeb, suav nrog qhov hnyav dua molecular, uas txhais ua cov nyhuv qis dua thaum yaj hauv dej. Qhov no ua rau nws zoo tagnrho rau cov ntawv thov uas yuav tsum tau hloov me ntsis hauv cov kua viscosity.
Cov khoom tseem ceeb:
Solubility: Siab solubility hauv dej, ua kom yooj yim sib xyaw thiab faib hauv cov kua dej drilling.
Thermal Stability: Tswj kev ua haujlwm zoo nyob rau hauv qhov kub thiab txias thaum lub sij hawm drilling.
pH kam rau ua: ruaj khov nyob rau ntau yam ntawm pH ntau ntau, ua rau nws muaj ntau yam rau qhov sib txawv drilling ib puag ncig.
Tsawg viscosity: Tsawg heev cuam tshuam rau lub viscosity ntawm lub hauv paus kua, tseem ceeb heev rau tej yam kev mob drilling.
Kev siv Petroleum Qib CMC-LV
1. Drilling kua
Thawj qhov kev siv Petroleum Qib CMC-LV yog nyob rau hauv kev tsim cov kua dej drilling, tseem hu ua av nkos. Cov kua dej no tseem ceeb heev hauv cov txheej txheem drilling rau ntau yam laj thawj:
Lubrication: Drilling kua lubricate lub laum me ntsis, txo kev sib txhuam thiab hnav.
Txias: Lawv pab kom txias lub laum me ntsis thiab laum txoj hlua, tiv thaiv overheating.
Kev Tswjhwm Siab: Drilling fluids muab hydrostatic siab los tiv thaiv kev tawg thiab ua kom lub qhov dej ruaj khov.
Kev tshem tawm Cuttings: Lawv thauj cov laum txiav mus rau saum npoo, tswj txoj hauv kev kom meej rau qhov drilling.
Nyob rau hauv cov ntsiab lus no, qhov tsawg viscosity ntawm CMC-LV xyuas kom meej tias cov dej drilling tseem nyob twj ywm thiab tuaj yeem ua haujlwm tau zoo yam tsis tau ua tuab dhau los yog gelatinous, uas tuaj yeem cuam tshuam kev ncig thiab kev ua haujlwm zoo.
2. Kev tswj tsis tau dej
Kev tswj cov dej tsis zoo yog qhov tseem ceeb hauv kev ua haujlwm drilling los tiv thaiv qhov poob ntawm cov kua dej hauv qhov tsim. Petroleum Qib CMC-LV ua raws li tus neeg saib xyuas kev poob dej los ntawm kev tsim cov ncuav mog qab zib nyias, tsis tshua muaj dej permeability ntawm phab ntsa dej. Qhov kev thaiv no txo qis qhov kev nkag mus ntawm cov dej drilling rau hauv cov pob zeb uas nyob ib puag ncig, yog li khaws cov kev ncaj ncees ntawm qhov dej thiab tiv thaiv kev tsim kev puas tsuaj.
3. Txhim khu kev ruaj ntseg ntawm borehole
Los ntawm kev koom tes rau kev tsim cov ncuav mog qab zib ruaj khov, CMC-LV pab tswj qhov chaw ruaj khov. Qhov no yog tshwj xeeb tshaj yog ib qho tseem ceeb nyob rau hauv formations prone rau instability los yog vau. Lub ncuav mog qab zib lim txhawb cov phab ntsa hauv qhov dej thiab tiv thaiv sloughing lossis caving hauv, txo qhov kev pheej hmoo ntawm kev ua haujlwm qeeb thiab cov nqi ntxiv cuam tshuam nrog borehole instability.
4. Corrosion Inhibition
Petroleum Qib CMC-LV tuaj yeem ua lub luag haujlwm hauv kev tiv thaiv corrosion. Los ntawm kev tswj cov kua dej poob thiab tswj qhov chaw ruaj khov nyob rau hauv lub qhov dej, CMC-LV pab tiv thaiv cov cuab yeej drilling los ntawm cov khoom corrosive tam sim no hauv kev tsim lossis qhia los ntawm cov kua dej drilling. Qhov no ua rau lub neej ntev ntawm cov khoom siv drilling thiab txo cov nqi tu.
Cov txiaj ntsig ntawm Kev Siv Petroleum Qib CMC-LV
1. Kev ua haujlwm tau zoo
Kev siv CMC-LV hauv cov kua dej drilling ua rau muaj kev ua haujlwm zoo. Nws cov viscosity tsawg ua kom cov kua dej tseem tswj tau thiab ua haujlwm tau zoo nyob rau hauv ntau yam kev siv drilling, ua kom yooj yim rau kev khiav lag luam thiab txo qis sijhawm.
2. Nqi-zoo
Los ntawm kev tiv thaiv cov dej poob thiab tswj kev ruaj ntseg zoo, CMC-LV pab txo qis lub sijhawm tsis tsim khoom thiab cov nqi cuam tshuam. Nws txo qhov kev xav tau ntawm cov khoom siv ntxiv thiab kev cuam tshuam los daws cov kua dej los yog qhov tsis muaj qhov dej, uas ua rau tag nrho cov nqi txuag.
3. Kev cuam tshuam ib puag ncig
Petroleum Qib CMC-LV yog muab los ntawm cellulose, ib qho khoom siv ntuj tsim thiab txuas ntxiv mus. Nws siv nyob rau hauv cov dej drilling tuaj yeem ua rau muaj kev cuam tshuam ntau dua rau kev ua haujlwm zoo ib puag ncig. Tsis tas li ntawd, kev tswj xyuas cov dej tsis zoo txo qhov peev xwm ntawm ib puag ncig kev sib kis los ntawm cov dej drilling nkag mus rau qhov tsim.
4. Txhim khu kev ruaj ntseg
Kev tuav lub qhov dej zoo ruaj khov thiab tswj cov dej tsis zoo yog qhov tseem ceeb rau kev nyab xeeb ntawm kev ua haujlwm drilling. CMC-LV pab tiv thaiv kom tsis txhob muaj kev sib tsoo, kev sib tsoo zoo, thiab lwm yam kev phom sij, ua kom muaj kev nyab xeeb ntawm cov neeg ua haujlwm thiab cov khoom siv.
Daim Ntawv Thov Tshaj Tawm Drilling Fluids
Thaum thawj daim ntawv thov ntawm Petroleum Qib CMC-LV yog nyob rau hauv drilling kua, nws muaj lwm yam kev siv nyob rau hauv roj av kev lag luam thiab tshaj.
1. Kev ua haujlwm cementing
Hauv kev ua haujlwm cementing, CMC-LV tuaj yeem siv los hloov cov khoom ntawm cov cement slurries. Nws pab tswj cov kua dej poob thiab txhim kho cov khoom rheological ntawm slurry, ua kom muaj kev ua haujlwm zoo dua thiab ruaj khov.
2. Txhim Kho Roj Rov Qab (EOR)
CMC-LV tuaj yeem siv rau hauv Cov Txheej Txheem Txhim Kho Cov Roj Rov Qab, qhov uas nws cov khoom pab txhim kho kev txav mus los ntawm cov dej txhaj tshuaj, txhim kho kev ua haujlwm ntawm cov txheej txheem rov qab.
3. Hydraulic Fracturing
Hauv hydraulic fracturing, CMC-LV tuaj yeem yog ib feem ntawm kev tsim cov kua dej tawg, qhov uas nws pab tswj cov dej tsis zoo thiab tswj kev ruaj ntseg ntawm cov pob txha tsim.
Petroleum Qib CMC-LV yog ntau yam thiab cov tshuaj tseem ceeb hauv kev lag luam roj thiab roj, feem ntau yog siv rau hauv cov dej drilling los txhim kho kev ua haujlwm, kev nyab xeeb, thiab kev ruaj ntseg ib puag ncig. Nws cov khoom tshwj xeeb, xws li qis viscosity, siab solubility, thiab thermal stability, ua rau nws indispensable rau cov dej tsis tswj, borehole stability, thiab corrosion inhibition. Tshaj li cov kua dej drilling, nws cov ntawv thov hauv cementing, txhim kho cov roj rov qab, thiab hydraulic fracturing ntxiv underscore nws qhov tseem ceeb. Raws li kev lag luam txuas ntxiv mus nrhiav kev daws teeb meem zoo dua thiab ib puag ncig zoo, lub luag haujlwm ntawm Petroleum Qib CMC-LV zoo li yuav loj hlob, ua kom nws txoj haujlwm ua ib qho tseem ceeb hauv cov kev coj ua niaj hnub roj av.
Post lub sij hawm: Jun-07-2024