Hydroxyethyl cellulose (HEC) iyo isiri-ionic mvura-inonyungudika polima ine yakanakisa kukora, kuchengetedza mvura, kugadzikana uye nekuzora zvivakwa. Mumapurojekiti ekuchera oiri, kuita kwemvura yekuchera, kupera kwemvura uye fracturing fluid inoita basa rakakosha mukudhirowa kwakanaka uye kugadzikana kwemadziro. Sekuwedzera kwakakosha kwekuchera mvura, HEC yakashandiswa zvakanyanya mumunda wekuchera mafuta.
Basic maitiro ehydroxyethyl cellulose
1. Kugadziriswa kwemvura yakanaka: HEC inogona kukurumidza kunyungudutswa mumvura inotonhora kana inopisa kuti iite sarudzo yakajeka ye viscous, iyo yakanakira pakuvaka-nzvimbo.
2. Kukobvura uye rheological kugadzirisa kugona: HEC inogona zvakanyanya kuwedzera viscosity uye thixotropy yemvura yekuchera, kusimudzira dombo rinotakura simba rekuchera mvura, kubatsira kutakura zvibooreso zvekucheka, uye kunatsiridza kugona kuchera.
3. Yakanakisa munyu-soluble kugadzikana: HEC inogona kuramba ichichengetedza zvakanaka kunyunguduka uye kugadzikana pasi pemamiriro epamusoro emaminerari, uye inokodzera kudhiraivha kwemugungwa uye maumbirwo emunyu.
Lubricity yakanaka: HEC inogona kuderedza friction coefficient yedrilling fluid, kuderedza kupera kwechibooreso bhiti nemadziro etsime, uye kuwedzera hupenyu hwebasa remidziyo.
4. Temperature uye shear resistance: HEC inogona kuramba ichichengetedza viscosity yakagadzikana pasi pekushisa kwepamusoro uye high shear mamiriro, uye yakakodzera kune yakadzika tsime uye ultra-deep well drilling environment.
Kushandiswa kwehydroxyethyl cellulose mukuchera mafuta
1. Drilling fluid thickener
Munguva yekuchera, mvura yekuchera inoshandiswa kutonhodza bhiti rekuchera, kuisa pombi yekuchera, kutakura zvidimbu uye kudzikamisa madziro etsime. Iko kukora kweHEC kunogona kuwedzera viscosity uye kutakura kugona kwemvura yekuchera, kuitira kuti igone kumisa uye kutakura zvakatemwa, kudzivirira kuti isaiswa pazasi petsime kana mupombi, uye kukanganisa kudhirowa kwakanaka. Pamusoro pezvo, kukora kuita kweHEC kunogonawo kuvandudza hunhu hwekugera hwemvura yekuchera uye kuwedzera kugona kwekuchenesa tsime.
2. Kupedzisa mvura uye simende yekuwedzera mvura
Kupedzisa mvura inoshandiswa kuchengetedza uye kudzikamisa madziro etsime kuti ive nechokwadi chekufambira mberi kwakanaka kweanotevera kugadzirwa kwemafuta uye gasi. HEC inogona kushandiswa seyakakora yekupedzisa fluid kupa viscosity yakakodzera, kuvandudza kugona kwekumisa, uye kudzivirira kudonha kwemadziro zvakanaka. Munguva yekugadzira simende, HEC yakanakisa adhesion inobatsira kugovera zvakaenzana simende slurry, kuvandudza simende mhando, kusimudzira kugadzikana kwemasimende akaturikidzana, uye kuderedza kubuda kwemvura.
3. Fracturing fluid modifier
Hydraulic fracturing ndiyo yakajairika chiyero chekuwedzera kugadzirwa uye jekiseni. Fracturing fluid inoshandiswa kugadzira mafractures ekugadzira uye kuwedzera kupera kwemafuta uye gasi matsime. Semukobvu wekupwanya mvura, HEC inogona kuvandudza rheological zvivakwa, kuwedzera ductility uye jecha kutakura kugona kwekutyoka, uye kuve nechokwadi chekutsemuka. Uye zvakare, HEC's yakanaka solubility yemvura inoita kuti ive nyore kuderedzwa mune yakazotevera gel yekupwanya maitiro pasina kukonzeresa kukuvara kwekuumbwa, izvo zvinobatsira mukuvandudza kugona kwekugadzira kwemafuta uye gasi matsime.
4. Fluid kurasikirwa reducer
Panguva yekuchera, kuchera mvura kurasikirwa kwekudzora kwakakosha kudzivirira kusagadzikana kwegomba uye kugadzira keke rematope. HEC inogona kunyatso kudzikisa kuwanda kwekudonha kwemvura yekudonha, kuderedza kupinza kwemvura mukuumbwa, kudzivirira kudonha kwematsime, nekuvandudza kuchengetedzwa uye kugadzikana kwemabasa ekuchera. Kunyanya mune yakakwirira permeability maumbirwo, HEC's fluid kurasikirwa kwekudzora maitiro inonyanya kukosha, iyo inobatsira kuchengetedza wellbore kuperera.
5. Kushandiswa mukuchera kwemahombekombe uye kuumbwa kwemunyu wakakwirira
Munguva yekuchera kumahombekombe uye kugadzira munyu wakanyanya, zvinwiwa zvekuchera zvinoda kuva nemunyu wakanaka uye calcium resistance. HEC inogona kuramba ichichengetedza kunyungudika kwakanaka uye kugadzikana munzvimbo yepamusoro-mineralization, iyo inogona kunyatso kuvandudza munyu kuramba wemvura yekuchera uye kudzivirira kudonha kwemvura kutadza. Pamusoro pezvo, iyo biodegradability yeHEC zvakare inoita kuti ive inosarudzika yekuwedzera kune zvakatipoteredza zvine hushamwari kuchera zvinwiwa.
Hydroxyethyl cellulose inoita basa rakakosha mumunda wekuchera mafuta nekuda kwekukora kwayo kwakanakisa, kuderedzwa kwefiltration, lubrication uye kugadzikana. Sechinhu chinokosha chekuwedzera kwemvura yekuchera, kupera kwemvura uye fracturing fluid, HEC inogona kuvandudza rheological properties yemvura yekuchera, kuderedza kusefa, kuwedzera dombo rekutakura simba, uye kuenderana nemamiriro ezvinhu akaoma semunyu mukuru, kupisa kwepamusoro uye shear yakakwirira. Mune ramangwana rekuvandudza tekinoroji yekuchera mafuta, tarisiro yekushandiswa kweHEC ichave yakakura, kunyanya mukutsvagisa nekushandiswa kwemvura yakasvibira uye ine hushamwari hwekuchera mvura, HEC inotarisirwa kuve chinhu chinonyanya kukosha chinoshanda.
Nguva yekutumira: Chivabvu-08-2025