| Aho byaturutse: | Ubushinwa |
| Izina ry'ikirango: | JCDRILL |
| Umubare w'icyitegererezo: | 108、114、127、146、168、178、183、194、219、245、273、325、377 |
| Icyemezo: | CE, ISO |
Sisitemu ya Eccentric igizwe na Pilote bits, Reamer bits, Igikoresho cyo kuyobora hamwe ninkweto.Sisitemu ya eccentric igizwe na pilote biti, reamer bit, igikoresho kiyobora ninkweto.By'umwihariko bikwiranye n’imyobo idakabije nko gucukura amariba y’amazi, amariba ya geothermal hamwe nakazi gake cyane.
| Umubare ntarengwa wateganijwe | N / A. |
| Igiciro | |
| Ibisobanuro birambuye | Ibicuruzwa bisanzwe byoherezwa hanze |
| Igihe cyo Gutanga | Iminsi 7 |
| Amasezerano yo Kwishura | T / T. |
| Gutanga Ubushobozi | Bishingiye ku Iteka rirambuye |
