CarboxyMethyl Cellelose (CMC) ipolu-yakasarudzika yemvura-yakadzika polymer yakashandiswa zvakanyanya muminda dzakasiyana siyana maindasitiri. Kunyanya mukurovedza uye petroleum engineering, cmc inoitira basa rakakosha seyakawana dope. Mabasa ayo makuru anofanira kuvandudza zvimisheni zvematope, wedzera kugadzikana kwematope, kuvandudza lubricity, kuderedza kubhururuka kwakapfeka, nezvimwe.
1. Wedzera iyo viscosity yemadhaka
Iyo viscosity yemadhaka yakakosha yekudhirowa mashandiro. Kunyanya kuderera viscosity hakugone kubvisa zvinobudirira kubvumidza kugadzirwa panguva yekukwevera, uye yakanyanya viscosity inokanganisa iyo fluidity uye kushanda kwematope. CMC inogona kubatsira zvinobudirira kuwanda kwematope nekupindirana nemamolekyudhi emvura kuburikidza neCarboxylmethyl boka mune yayo moleky chimiro. MaCMC mamorekuru anoumba network muchero mumvura, iyo inogona kutora mvura uye yekuzvimba uye kuwedzera iyo visikoka yemvura, nekudaro ichisimudzira zvivakwa zvematope. Ichi chivakwa chiri chekukosha kukuru kwekubvisa cuttings uye kudzikamisa madziro eborehole panguva yekukwevera.
2. Kukoshesa uye kugadzirisa zvivakwa zvetsiva
Iyo rheological zvivakwa zvemadhaka (kusanganisira viscosity, fluidity, nezvimwewo) zvakakosha kwazvo pakufambira mberi kwakapfava kwekukwezva. CMC inogona kuwedzera zvakanyanya viscosity uye inobereka kukosha kwematope pane imwe pfungwa, gadzirisa zvimiro zvematope, uye ita kuti matope ane fluidity uye lubricity panguva yekudhirowa. Kuwedzera kweVascosity kunobatsira kuderedza kuyerera kwematope, nekukasira kuvandudza kugona kwekuchera nekudzora kupfeka kwekurohwa kwekudziya pakurwisa kwekudzima panguva yekudhirowa.
3. Kuvandudza kugadzikana kwemadhaka
Munguva yekudhirowa maitiro, kugadzikana kwemadhaka akakosha, kunyanya pasi pemamiriro ezvinhu akasiyana neegone uye tembiricha shanduko. Nekuda kwekunyora kwayo kwemvura solubility uye kugadzikana, cmc kunogona kuwedzera simba rekupisa uye kupokana kwemunyu kune iwo matope, kuitira kuti zvichiri kugona kuita zvakanyanya pasi pemamiriro akasiyana ekurovedza. CMC inogona kuumba mhinduro yakagadzikana mumatope, dzivirira matope kubva kuyamentation, fliklation uye zvimwe zviitiko, uye ona kugadzikana kwenguva refu kwematope.
4. Wedzera iyo lubricity yematope
Panguva yekudhirowa mishonga, kupokana pakati pekurohwa zvishoma uye kuumbwa hakugoneki. Kukakavara kwakanyanya kuchawedzera simba rekushandisa, kuderedza zvinobudirira kuita, uye zvinogona kutokonzeresa kukuvara kwemidziyo. CMC inogona kuwedzera zvakanyanya madhaka ematope, kuderedza kupokana kukwezva pakati pekuchera uye madziro eBorehole, kuderedza kupfeka kwekurohwa, uye kugadzirisa kusavimbika kwekutsiura panguva yekudhirowa. Kuvandudzwa kweLubricity kunobatsira kuderedza njodzi yerusvusvusvusvike mangwanani pakukwevera uye kuwedzera hupenyu hwebasa hwemidziyo.
5. Vimba marara uye kudzora kubvumirana
Pasi pemamwe mamiriro ezvinhu anokwezva, akadai sekusangana nekukwira kwakasimba kana kukanganiswa magadziriso, CMC inogona kukanganisa zvinokwanisika pores uye marara mukuumbwa. MaCMC mamorekuru vane zvigadzirwa zvakanaka zvine midziyo uye anogona kuumba mhandara mukukwevera mvura yekuchera mvura kuti uderedze kufarirwa kwemvura mumatope. Uyu unovharira mari inobatsira kudzivirira mvura mumatope kubva mukupinda pasi pevhu remafuta kana mafuta uye gasi rekudzora uye kuchengetedza kusvibiswa uye kuchengetedza pasi pevhu zviwanikwa.
6. Kupesana kwemunyu uye kukwikwidza kwakanyanya kupisa
Mune imwe yakakwirira-salinity uye yakakwirira-tembiricha inodhonzwa nharaunda, cmc yakaratidza yakanyanya kujairika. Mapoka eCarboxyl aive mune yayo molecular chimiro anogona kubatanidza zvinobudirira nemamolekyudhi emvura kuti asimudze solubility uye kugadzikana munzvimbo dzemvura dzemvura. Izvi zvinobvumidza cmc kuti uchiri kutamba chikamu mukukora uye kusimbisa matope mumvura ine mvura slurries. Mukuwedzera, CMC zvakare ine imwe nhanho yekudziya kwakanyanya uye haisi nyore kuora munzvimbo dzakasimba dzekupfeka, dzinobatsira kuchengetedza mashandiro emadhaka mune yakanyanya kupisa tembiricha.
7. Kudzivirirwa kwezvakatipoteredza
Nekuenderera mberi kwekuvandudza kwezvinodiwa zvakatipoteredza zvinodiwa, maindasitiri mazhinji ari kushanda nesimba kuti aderedze kusvibiswa kwezvakatipoteredza. Mukudhirowa mishonga, tsika dzechinyakare dzimba dzinowanzove neine chepfu manhamba, izvo zvinogona kuve nekukanganisa kwezvisikwa. Sechigadzirwa chechisikigo, cmc inotorwa kubva kumachira emvura uye inogona kukurumidza kusvibiswa mumvura, iyo ine kukuvadza zvakanyanya nharaunda. Naizvozvo, iyo yakasvibira uye nharaunda ine hushamwari mudope anowedzera. Zvivakwa zvacho zvisiri zvepfu uye zvinosemesa zvinoita kuti ive iyo inosarudzwa zvinyorwa mumabasa mazhinji uye egasi ekuvandudza mabasa.
8. Synergy nevamwe vanowedzera
Mune zvinoshandiswa zvinoshanda, CMC inowanzo kuvhenganiswa nemamwe madhimoni (senge polwandacrrylamide, Bentonite, nezvimwewo). CMC inogona kuyaradzira neiyi yekuwedzera yekuwedzera kugadzirisa rheology, kugadzikana uye lubricity yemadhaka. Semuenzaniso, ipo CMC yakasanganiswa neBentonite, inogona kusimudzira kugadzikana kweiyo madhaka, dzivisa kusanzwisisika kwematope panguva yekushandisa, uye kugadzirisa shanduko yematope mune yakanyanya tembiricha uye yakanyanya kudzvinyirira nzvimbo.
Carboxymethyl Cellulose (CMC) inotamba mizhinji mizhinji mumatope. Izvo hazvigone kungowedzera iyo visikopa uye renhengo yematope, kuvandudza kugadzikana uye nekuchengetedzeka kwematope, asi zvakare nekudzikisira kwemidziyo panguva yekudhira, uye nekunyatso kubhinya matanga pasi pemamiriro ezvinhu akakosha ega ega. Semukati inokatyamadza madhaka anodhonzwa, CMC ine chekuita neyakajeka uye yakafara yekushandisa, kunyanya mumunda wekudzivirira kwezvakatipoteredza uye kunyatsotsvaga, kuratidza kukosha kwayo hakutsanangurike.
Post Nguva: Kukadzi-20-2025