API 5CT Oilwell Float Collar

Zida zoyambira zoyandama zimaphatikizapo Kolala Yoyandama ndi Nsapato Yoyandama:

Nsapato ya Float ili ndi valavu yakumbuyo yomwe imalepheretsa madzi kulowa m'bokosi pomwe chitoliro chimatsitsidwa mubowo ndikuletsa simenti kuti isabwererenso mubokosi pambuyo poyika pomwe imathandizira kutsika kudutsa mubokosilo.

Zoyala zoyandama zimayikidwa mfundo imodzi kapena zitatu pamwamba pa Nsapato Yotsogolera kapena Nsapato Yoyandama.Amapereka mpando wa mapulagi a simenti, pulagi yapansi imaponyedwa patsogolo pa simenti ndi pulagi yapamwamba kuseri kwa voliyumu yonse ya slurry.Atakhala pansi, pulagi ya pamwamba imatseka madzimadzi ndikuletsa kusuntha kwa simenti.Malo omwe ali pakati pa Nsapato ya Float ndi Kolala yoyandama amapereka malo osungiramo madzi omwe angakhale oipitsidwa kuchokera pakupukuta kwa pulagi ya simenti yapamwamba, kuteteza madzi oipitsidwa kutali ndi nsapato kumene chomangira cholimba cha simenti ndichofunikira kwambiri.Float Collars imaphatikizapo valavu ya backpressure ndipo imagwira ntchito yofanana ndi ya Float Shoe.Chida ichi ndi chofunikira kwambiri kuti chitsimechi chisungidwe bwino komanso ntchito zolimba za simenti, kuwonetsetsa kuti maziko olimba amalize chitsimecho.