Isihlahla sikaKhisimusi
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Isihlahla sikaKhisimusi esihlanganisiwe esiqinile
·Xhuma igobolondo emthonjeni, vala isikhala se-annular bese uthwala ingxenye yesisindo sebhokisi;
·Lengisa ishubhu kanye namathuluzi okukhipha imigodi, asekele isisindo samashubhu futhi avale isikhala esiphakathi kweshubhu nebhokisi;
·Lawula futhi ulungise ukukhiqizwa kukawoyela;
·Ukuqinisekisa ukuphepha kokukhiqizwa kwemigodi.
·Ilungele ukusebenza kokulawula, ukusebenza kokuphakamisa phansi, ukuhlola nokuhlanza upharafini;
·Rekhoda umfutho kawoyela nolwazi lwebhokisi.
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Isisetshenziswa Sokukhiqiza Uwoyela Negesi
Isihlahla Esihlanganisiwe Esisodwa
Isetshenziswa emithonjeni kawoyela enengcindezi ephansi (kufika ku-3000 PSI); lolu hlobo lwesihlahla lusetshenziswa kakhulu emhlabeni wonke. Amalungu amaningi kanye namaphoyinti okuvuza okungenzeka akwenze kungafaneleki ukufakwa kwengcindezi ephezulu noma ukusetshenziswa emithonjeni yegesi. Izihlahla ezimbili eziyinhlanganisela ziyatholakala kodwa azisetshenziswa ngendlela efanayo.
Single Solid Block Tree
Kuzinhlelo zokusebenza ezinomfutho ophakeme, izihlalo zamavalvu kanye nezingxenye zifakwa endaweni eyodwa eqinile yebhulokhi. Izihlahla zalolu hlobo zitholakala kufika ku-10,000 PSI noma ngaphezulu uma kudingeka.