Likotoana tsa oli ea meno ea API bakeng sa mochini oa ho cheka oa rotary setokong

Feme ea liliba tsa oli ea oli ea tricone e ntse e cheka ka theko e theotsoeng
IADC: 115 ke leino la tšepe le tiisitsoeng ka roller e nang le tšireletso ea gauge bakeng sa libopeho tse bonolo tse nang le matla a tlaase a khatello.
The Compressive Strength ea lintlha tsa IADC115 bit ke tse latelang:
0-35 MPA/ 0-5,000 PSI
Tlhaloso ea Motheo:
IADC115 tricone bit e loketse mafika a bonolo, a sa kopanngoeng hampe, joalo ka marl limestones, matsoai, gypsum le mashala a thata, letsopa le sa kopanngoeng hampe le majoe a lehlabathe,
Likotoana tsa tricone li na le mofuta oa Tungsten Carbide Insert (TCI) le Mill Tooth (Leino la Tšepe) ho latela lisebelisoa tsa ho seha.
Li na le mefuta e mengata 'me li ka fokotsa mefuta e mengata ea mefuta.The mill tooth tricone drill bit e sebelisoa bakeng sa libopeho tse bonolo. Likotoana tsa TCI rotary trione li sebelisoa bakeng sa libopeho tse mahareng le tse thata. Meetso ea majoe a bonolo e kenyelletsa lehlabathe le sa kopanngoeng, letsopa, majoe a mokoetla a bonolo, li-redbeds le shale. Mehaho e thata e mahareng e kenyelletsa li-dolomite, majoe a mokoetla, le shale e thata, athe libopeho tse thata li kenyelletsa shale e thata, athe libopeho tse thata li kenyelletsa shale e thata, majoe a seretse, majoe a mokoetla a cherty le libopeho tse thata le tse hlabang.