A wireline coring system with core barrel assembly and overshot assembly.The core barrel assembly is composed of inner tube group and outer tube group.Inner & outer tubes have standard length of 1.5 mika a me 3 mika.

Hāʻawi ka hui poʻo i ka: latching a pivoting spearpoint mechanisms e ʻae ai i ka hoʻokomo ʻana a me ka hoʻihoʻi ʻana i ka hui o loko, kahi hui lawe e ʻae ai i ka paipu i loko e noho paʻa a pale i ka pōʻino o ka laʻana i ka wā e wili ana, nā hōʻailona o ka hana ʻana o ka wai a me nā kiwi hoʻomalu wai.

Hoʻokomo ʻia nā hui poʻo āpau i kahi hui valve pani e hāʻawi ana i kahi hōʻailona kaomi wai i ka mea hoʻoheheʻe i ka wā e kaomi ʻia nā lālā o ka valve, e hōʻike ana i kahi paipu i loko a paʻa paha.

ʻO ka hui pahu pahu koʻikoʻi i hui pū ʻia me ka hui o loko a me ka hui o waho.

ʻO ka pūʻulu o loko o ka puʻupuʻu e hōʻiliʻili i ka laʻana kumu i ka wā o ka wili ʻana a kūʻokoʻa ʻo ia i ka hui o waho-tube.

Noho mau ka hui o waho ma lalo o ka lua a hoʻopaʻa i ka hui o loko i ka wā o ka wili.