Sekhahla sa Petroleum Drill

Sekhahla sa Petroleum Drill

Karolo ea ho cheka peterole e bapala karolo ea bohlokoa ho chekang oli, e ama haholo boleng ba ho cheka, katleho le litšenyehelo. Mefuta ea likotoana tsa ho cheka peterole e kenyelletsa likotoana tsa scraper, li-roller cone bits, likotoana tsa daemane le likotoana tsa PDC (polycrystalline diamond compact bits). Sengoliloeng sena se tsepamisitse maikutlo ho li-scraper bits.

Li-scraper bits li ne li le har'a tsa pele tse sebelisoang ho cheka ka rotary, tse qalileng lekholong la bo19 la lilemo 'me li ntse li sebelisoa libakeng tse ling tsa oli kajeno. Li ipabola ka libopeho tse bonolo le tse khomarelang, tse fanang ka lebelo le phahameng la ho cheka ka mochine le bokhoni ba ho phunyeletsa. Li-scraper bits li nkoa e le tsa bohlokoa bakeng sa moralo oa tsona o bonolo, katleho ea litšenyehelo, le ho ikamahanya le maemo bakeng sa tlhahiso ea tloaelo libakeng tsa oli ka bomong.

Scraper bit e na le 'mele o monyenyane, li-scraper blades, nozzles le bullnose. 'Mele o entsoeng ka tšepe ea k'habone e bohareng, o na le li-blades tse cheselitsoeng le bullnose karolong e ka tlaase, e nang le likhoele tse khoeleng qetellong bakeng sa ho khomarela khoele ea boro. Li-scraper blades, tse tsejoang hape e le mapheo, ke likarolo tsa bohlokoa tsa li-scraper bits.

Li-scraper bits li fana ka ts'ebetso e phahameng ka ho fetisisa ka mekhoa e bonolo le e khomarelang. Nakong ea ts'ebetso ea ho cheka, taolo e nepahetseng ea khatello ea ho cheka le lebelo la ho potoloha ke tsa bohlokoa ho thibela ho kheloha le ho robeha ha lehare. Ha ho nahanoa ka lebelo le phahameng la ho phunya ka mokhoa o bonolo le sephetho se seholo sa li-cuttings, ho khothalletsoa ho sebelisa mokelikeli o phahameng oa ho cheka ho netefatsa ho hloekisoa ka botlalo ha sekoti le ho pholisa ka katleho ha sekoti. Ho feta moo, lebelo le ntseng le eketseha la mapheo a scraper bit le ka lebisa ho roala ha conical, ho hloka mehato e hlokolosi ea ho thibela ho sesefala ha metsi le ho kheloha ho eketsehileng.

Ka ntle ho ts'ebetso ea bona e babatsehang ka mekhoa e bonolo le e khomarelang, li-scraper bits li boetse li bontša melemo libakeng tse ling tsa tsoelo-pele. Ka mohlala, libakeng tse phahameng tsa mocheso le tse nang le khatello e phahameng, li-scraper bits li boloka ts'ebetso e tsitsitseng, ho netefatsa ts'ebetso e sireletsehileng le e sebetsang ea ho cheka. Mokhoa ona oa ho ikamahanya le maemo o theha likotoana tsa scraper e le khetho ea bohlokoahali ho chekoeng ha peterole, ebang ke ho ntšoa ha oli ka tloaelo kapa ho tobane le liqholotso tse hlahang tsa libaka tsa metsi a tebileng le a tebileng haholo, e totobatsang boleng ba tsona bo ikhethang le bokhoni ba ts'ebeliso.