Fektheri ea API 17.5 inches PDC le trione hybrid drill bit for deep oilwell
Tlhaloso ea Sehlahisoa
Hybrid drill bit e kopanya boenjineri bo tsoetseng pele, litataiso tsa ts'ebeliso e ikhethileng le meralo e tsoetseng pele ka ho fetesisa ea lebasetere ea indasteri ho fana ka lisebelisoa tse ntlafetseng tsa khabone le libopeho tse kopaneng ho feta kamoo ho neng ho ka khoneha pele.
Likhoune le li-blades tsa "Bit" li entsoe eseng feela ho etsa mesebetsi ea tsona ka bomong, empa ho tlatsana le ho matlafatsana, ho thusa ho hlalosa mokhoa o mocha oa ts'ebetso ea "drill bit". Mehaho ea ho seha e nchocho ebile e ajoa haholo, 'me meralo ea li-blade le cutter e ntlafalitsoe ho fana ka likarolo tse telele tsa masoba a kahare. Hobane matla a li-roller cones le blades a leka-lekana hantle, Hybird bit e tšoarella haholo, e cheka ho ea pele ka ROP e phahameng, e fokotsa litšenyehelo tsa ho cheka.
| Boholo(inch) | Blade No.&Cone No. | Palo ea PDC | Kopanya Khoele |
| 8 1/2 | Li-cones tse 2 li-blades tse 2 | PDC e tsoang kantle ho naha | 4 1/2" API Reg |
| 9 1/2 | Li-cones tse 3 li-blades tse 3 | PDC e tsoang kantle ho naha | 6 5/8" API Reg |
| 12 1/2 | Li-cones tse 3 li-blades tse 3 | PDC e tsoang kantle ho naha | 6 5/8" API Reg |
| 17 1/2 | Li-cones tse 3 li-blades tse 3 | PDC e tsoang kantle ho naha | 7 5/8" API Reg |
Tlhaloso ea Sehlahisoa
Likaroloana
Monyetla o phahameng oa ROP ho feta likotoana tsa ho cheka li-roller cone
Ha ho bapisoa le li-roller cone bits, li-drill drill bits li ka eketsa ROP, tse hlokang boima ba 'mele bo fokolang le ho fokotsa butle.
Matla a ho cheka a ntlafalitsoeng ha a bapisoa le PDC
Likarolo tsa Khetho
Ha ho bapisoa le li-PDC, likotoana tse nyalisitsoeng li tšoarella nako e telele haholo ha li cheka ka har'a libopeho tse kopaneng. Ba fokotsa ho thella ha lithupa le ho nolofatsa taolo ea torque ea ho cheka ha ba ntse ba etsa hore e tsitsane, e etsa hore ho be bonolo ho fetoha ka mekhoa e fapaneng. Botsitso bo ntlafetseng le taolo ea tataiso e thusa ho laola ho otloloha hantle hammoho le litekanyetso tse phahameng tsa ho haha karolong ea li-curve.
