8 1/2 Nti Cov Tshuab Txiav Hlau IADC637 API Txheem Rau Cov Pob Zeb Hard Core Barrel
Cov Khoom Siv Qhia Txog Khoom
Cov Kev Ntsuas Ua Haujlwm
Cov tshuab txiav rau cov menyuam siv rau cov qauv nyuaj nrog lub zog compressive siab, xws li sandstone, shale nyuaj, dolomite, gypsum nyuaj, chert, granite, thiab lwm yam.
| Qhov Loj ntawm Lub Khob | 133 hli |
| Hom kabmob | Cov Kabmob Kaw Hauv Phau Ntawv Xov Xwm |
| Cov Ntxig / Cov Duab Hniav | Pob Conical |
| Cov Ntxig / Cov Hniav (Lub Khob 1) | 49 * 13 hli |
| Cov Ntxig / Cov Hniav (Lub Khob 2) | 50 * 13 hli |
| Cov Ntxig / Cov Hniav (Lub Khob 3) | 45 * 13 hli |
| Khoom siv lub khob hliav qab | 15MnNi4Mo |
| Cov Khoom Siv Caj Npab | 15CrNiMo |
| Kev Them Nyiaj Roj | Muaj |
| Kev Tiv Thaiv Ntsuas | Muaj |
| Kev Tiv Thaiv Tus Tsov Tus Ntxaib | Muaj |











