Kafin gudu zuwa downhole, max. girman shigarwa na ruwa zai zama mafi girma da diamita, bayan gudu zuwa cikin downhole, da ruwa ne guga man danna spring saukar, theradial forceis bayar da bazara. Lokacin da kayan aiki masu wuyar gaske ke buƙatar gogewa, zazzagewa na lokuta da yawa dole ne a yi kafin a kwashe su zuwa murfi a cikin diamita. Ana haɗe scraper akan ƙananan igiyar rawar soja, motsin kirtani na rawar soja sama da ƙasa yana yin ciyarwar axially a cikin aikin gogewa.
An nuna a cikin tsarin cewa kowace karkace ruwa yana da biyu na ciki da waje mai lankwasa scrap-ping gefuna. Lokacin da ruwan wukake yana aiki don reciprocating scrapping, gefen ciki da gefen waje suna aiki bi da bi, kuma akwai madaidaicin madaidaicin bandeji tsakanin gefuna biyu yana tsaye da yankewa da aikin milling zuwa saman da aka yanke.
An rarraba igiyoyin madauri iri ɗaya a kan mai gogewa domin laka da aka dawo ta iya kwashe abubuwan da suka goge.
Lokacin yin oda don Allah a saka:
Model Scraper Casing;
Haɗin kai, idan ba daidai ba;
Girman casing da nauyi.