Ngaphambi kokuba ubaleke kwi-downhole, ubuninzi. Ubungakanani bofakelo lweblade buya kuba bukhulu ngaphakathi kwidiameter, emva kokubaleka kumngxuma osezantsi, iblade iyacinezelwa ukucinezela intwasahlobo phantsi, amandla onyango anikwa entwasahlobo. Xa imathiriyeli eqinileyo ifuna ukuchithwa, ukukrazula amaxesha amaninzi kufuneka kwenziwe ngaphambi kokuba kukhutshelwe kwisingxobo esiphakathi. I-scraper idityaniswe kumtya we-endof drill ephantsi, ukushukuma komtya we-drill up and down yenza i-axially feeding kwi-scrappingoperation.
Kuboniswa kulwakhiwo ukuba incakuba nganye ejiyileyo inemiphetho emibini yangaphakathi nangaphandle egobileyo ye-scrap-ping. Xa iblade isebenzela ukulahlwa okuphinda-phindeneyo, isiphelo sangaphakathi kunye nomphetho wangaphandle uyasebenza ngokulandelelana, kwaye kukho ibhendi ebanzi enqamlezileyo phakathi kweencam ezimbini zokukrazula imele isenzo sokusika kunye nokusila kumphezulu osikiweyo.
Amagqabi eentambo asasazwa kwi-scraper ukuze udaka olubuyisiweyo luthathe izinto ezikhutshiweyo.
Xa u-odola nceda ucacise:
Imodeli yeCasing Scraper;
Umdibaniso, ukuba awukho mgangathweni;
Ubungakanani bebhokisi kunye nobunzima.