Kutengesa Kupisa Kwekugadzira Mapepa Kuwedzera Carboxymethyl Cellulose - Polyanionic cellulose (PAC) - Yeyuan

Polyanionic cellulose (PAC) inonyungudika selulosi ether inobuda mumvura inogadzirwa nekemikari shanduko yeyakasikwa cellulose. Iyo yakakosha yemvura-soluble cellulose ether. Inowanzoshandiswa semunyu wayo wesodium uye inoshandiswa zvakanyanya mukuchera mafuta, kunyanya matsime emvura yemunyu uye kuchera mafuta ekumahombekombe.

PAC-Kushandisa MuPetroleum

1. Mabasa ePAC neCMC mumunda wemafuta ndeaya anotevera:
-Madhaka ane PAC neCMC anogona kuita kuti tsime remadziro riite mutete uye rakaomarara sefa keke ine yakaderera permeability uye kuderedza kurasikirwa kwemvura;
- Mushure mekuwedzera PAC neCMC mumatope, chigadziro chekuchera chinogona kuwana simba rekutanga rekugera, kuita kuti matope ave nyore kuburitsa gasi rakaputirwa mariri, uye nekukasira kurasa marara mugomba rematope;
- Sezvimwe zvakamiswa kuparadzirwa, kuchera madhaka kune imwe nguva yekurarama, iyo inogona kudzikamiswa nekuwedzerwa nekuwedzera PAC neCMC.
2. PAC neCMC vane kunotevera kwakanakisa kuita muoilfield application:
- Yakakwirira dhigirii yekutsiva, yakanaka kufanana kwekutsiva, yakakwirira viscosity uye yakaderera dosage, zvinobudirira kuvandudza madhaka sevhisi kushanda zvakanaka;
- Yakanaka unyoro kuramba, munyu kuramba uye alkali kuramba, inokodzera mvura yakachena, mvura yegungwa uye yakazara brine mvura-yakavakirwa madhaka;
- Iyo keke yedhaka yakaumbwa ndeyemhando yakanaka uye yakagadzikana, iyo inogona kunyatso kudzikamisa yakapfava ivhu chimiro uye kudzivirira shaft madziro kudonha;
-Iyo inokodzera madhaka masisitimu ane akaoma akasimba ekugadzirisa zvemukati uye yakafara mutsauko.
3. Maitiro ekushandisa ePAC neCMC mukuchera oiri:
-Iyo ine yakakwira kurasikirwa kwekudzora kugona kwemvura, kunyanya inoshanda yekurasikirwa kwemvura inoderedza. Neyero yakaderera, inogona kudzora kurasikirwa kwemvura padanho repamusoro pasina kukanganisa zvimwe zvinhu zvedhaka;
- Iyo ine yakanaka tembiricha kuramba uye yakanakisa munyu kuramba. Inogona kuramba iine yakanaka yekudzikisa kurasikirwa kwemvura uye imwe rheology pasi peimwe munyu. Iyo viscosity inenge isingachinji mushure mekunyungudika mumvura ine munyu. Inonyanya kukodzera kuchera kwemahombekombe uye matsime akadzika;
- Inogona kudzora rheology yematope uye ine yakanaka thixotropy. Inokodzera chero madhaka emvura mumvura yakachena, mvura yegungwa uye saturated brine;
- Pamusoro pezvo, PAC inoshandiswa sesement fluid kudzivirira fluid kuti isapinda pores uye kuputsika;
- Iyo sefa yekutsikisa mvura inogadzirwa nePAC ine kumira kwakanaka kune 2% KCl mhinduro (inofanirwa kuwedzerwa paunenge uchigadzira sefa press fluid), yakanaka solubility, nyore kushandisa, inogona kugadzirirwa panzvimbo, kukurumidza gel kuumba kumhanya uye simba rakasimba kutakura jecha. Kana ichishandiswa mukugadzirwa kwakaderera kwepermeability, mafirita ayo ekudhinda maitiro akanyanya kunaka.

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