PAC (Polyanionic cellulose)

Polyanionic cellulose (PAC) ipolymer inonyungudika nemvura inotorwa kubva muselulosi, musanganiswa unongoitika munyama unowanikwa muzvirimwa. PAC inoshandiswa zvakanyanya mumaindasitiri akasiyana siyana, kusanganisira kuchera oiri, nekuda kwezvakasiyana zvivakwa uye kuita zvakasiyana. Muchirevo chekuchera oiri, PAC inoshanda akati wandei akakosha mabasa mukuchera zvinwiwa:

1. Viscosification: PAC inonyanya kushandiswa seviscosifier mumvura-based drilling fluids. Inobatsira kuwedzera viscosity yemvura, kuvandudza kugona kwayo kumisa uye kutakura zvakacherwa zvakachekwa uye zvimwe zvakaomeswa kumusoro. Izvi zvinobatsira kuchengetedza kugadzikana kwegomba uye kudzivirira gomba kudonha.
2. Fluid Kurasika Kudzora: PAC inoumba keke rakatetepa, risingapindike sefa pamadziro etsime, ichideredza kurasikirwa kwemvura yekuchera muchimiro chakatenderedza. Izvi zvinobatsira kuchengetedza wellbore kutendeseka, kudzivirira kukuvadzwa kwekugadzira, uye kunowedzera kushanda zvakanaka kwekuchera.
3. Rheology Kugadziriswa: PAC inokanganisa maitiro ekuyerera uye rheological zvimiro zvezvinwiwa zvekuchera, optimize kumiswa kwezvakaoma uye kuderedza kugadzirisa. Izvi zvinogonesa kushanda kwakafanana kwemvura yekuchera pasi pemamiriro akasiyana ekudzika.
4. Kuchenesa Gomba: Nekuwedzera viscosity uye kutakura kugona kwemvura yekuchera, PAC inovandudza gomba rekuchenesa, kufambisa kubviswa kweakachekwa akachekwa uye marara kubva mutsime.
5. Tembiricha uye Salinity Kugadzikana: PAC inoratidza kushivirira kwakanyanya uye munyu, kuchengetedza viscosity yayo uye maitiro ekuita pamusoro pehupamhi hwetembiricha uye salinity inowanikwa mukuchera.
6. Iine Ushamwari Nezvakatipoteredza: PAC inotorwa kubva kune zvinogoneka kucherwa-zvimisikidzwa uye inoodza, zvichiita kuti ive nehushamwari kwezvakatipoteredza uye yakakodzera kushandiswa munzvimbo dzinocheresa nharaunda.

PAC inowanikwa mumagiredhi akasiyana siyana uye maratidziro akarongedzerwa kune chaiyo yekuchera mvura inodiwa uye mamiriro ekushanda. Matanho ekudzora emhando yepamusoro anovimbisa kuenderana uye kutevedzera mashandiro eindasitiri, kusanganisira API (American Petroleum Institute) zvakatemwa zvekuchera zvinwiwa zvinowedzera.

Muchidimbu, polyanionic cellulose (PAC) chinhu chakakosha chekuwedzera mumvura-based drilling zvinwiwa zveoiri uye gasi kuongorora, inopa viscosification, fluid kurasikirwa control, rheology modified, uye zvimwe zvakakosha zvivakwa zvinobatsira mukuita uye kubudirira kuchera.