Izvo zvimiro zveindasitiri polyacrylamide yekukora, flocculation uye rheological regulation yemvura inoita kuti iite basa rakakosha mukugadzirwa kweoiri.Inoshandiswa zvakanyanya mukuchera, kuvhara mvura, acidizing mvura, fracturing, kugeza matsime, kupedzisa zvakanaka, kuderedza kudhonza, anti-scale uye kubviswa kwemafuta.
Kazhinji, kushandiswa kwepolyacrylamide ndeyekuvandudza kudzoreredza mwero wemafuta.Kunyanya, minda yakawanda yemafuta yakapinda mukugadzirwa kwechipiri uye chepamusoro, kudzika kwechidziva kunowanzo kupfuura 1000m, uye kumwe kudzika kwechidziva kunosvika 7000m.Iyo heterogeneity yekuumbwa uye minda yemafuta ekumahombekombe yakaisa mberi mamiriro akaomesesa emabasa ekudzoreredza oiri.
Pakati pavo, kugadzirwa kwemafuta akadzika uye kugadzirwa kwemafuta ekumahombekombe zvinoenderana zvakare kunoisa mberi zvinodiwa zvitsva zvePAM, zvinoda kuti irambe kugera, tembiricha yepamusoro (inopfuura 100 ° C kusvika 200 ° C), calcium ion, magnesium ion kuramba, kushomeka kwemvura yegungwa, kubva ku1980s, Kufambira mberi kukuru kwakaitwa mukutanga kutsvagisa, kugadzirira, tsvakiridzo yekushandisa uye kusimudzira kwakasiyana kwePAM kwakakodzera kudzoreredza oiri kunze kwenyika.
Industrial polyacrylamide inoshandiswa sekuchera mvura inogadzirisa uye fracturing fluid additive:
Partially hydrolyzed polyacrylamide (HPAM), iyo inotorwa kubva ku hydrolysis ye polyacrylamide, inowanzoshandiswa sechidhirowa mvura inogadzirisa.Basa rayo ndere kudzora rheology yemvura yekuchera, kutakura makucheka, kuzora chibooreso, kuderedza kurasikirwa kwemvura, etc. Mvura yekuchera yakagadziridzwa ne polyacrylamide ine yakaderera chaiyo giravhiti, iyo inogona kuderedza kudzvanywa uye kuvharika pamafuta uye gasi reservoir, zviri nyore kuwana mafuta negasi reservoir, uye inokodzera kuchera, kumhanya kwekuchera kwakakwira 19% kukwira pane yakajairika mvura yekuchera, uye inosvika 45% yakakwirira kupfuura mwero wekuchera.
Pamusoro pezvo, inogona kuderedza zvakanyanya tsaona dzekuchera, kuderedza kupfeka kwemidziyo, uye kudzivirira kurasikirwa uye kudonha.Fracturing tekinoroji idanho rakakosha rekukurudzira rekugadzira mibhedha yakaoma muminda yemafuta.Polyacrylamide crosslinked fracturing fluid inoshandiswa zvakanyanya nekuda kweiyo high viscosity, yakaderera friction, yakanaka yakaturikwa jecha kugona, kushoma kusefa, yakanaka viscosity kugadzikana, zvishoma zvakasara, kugovera kwakakura, kugadzirira kuri nyore uye mutengo wakaderera.
Mukurapa kwekutsemuka uye acidizing, polyacrylamide inogadzirirwa mugadziro ine aqueous ine musungo we 0.01% kusvika 4% uye inopomba mukugadzirwa kwepasi pevhu kuti ipwanye kuumbwa.Iyo indasitiri yepolyacrylamide mhinduro ine basa rekukora uye kutakura jecha uye kuderedza kurasikirwa kwemvura inoputika.Pamusoro pezvo, polyacrylamide ine mhedzisiro yekudzikisa kuramba, kuitira kuti kurasikirwa kwekumanikidza kuderedzwa kunogona kuderedzwa.
Nguva yekutumira: Sep-27-2023
