 Rig type RT40/2250L, RT50/3150LDB, RT50/3150D |
2016-05-26 |
| mobile drilling rigs suitable for arctic conditions |
2016-05-26 |
| Offshore fracturing unit |
2016-05-26 |
| GJQ100-30 GJQ70-23 GJQ50-30 GJQ35-16 |
2016-05-26 |
| QZB35-15, QZB50-13, QZB50-13, QZB40-11D, QZB40-21D QZB70-13, |
2016-05-26 |
| HXJ90 HXJ135, HXJ158 HXJ180 HXJ180DB HXJ225 |
2016-05-26 |
| ZJ30CZ Truck mounted drilling rig |
2016-05-25 |
| ZJ90DBS, ZJ70DBS, ZJ50DBS, ZJ40DBS, ZJ30DBS oil well land dr |
2016-05-25 |
| Drilling rigs RT70LD and RT70D |
2016-05-25 |
| RT50/3150JD RT50/3150L RT50/3150D |
2016-05-25 |
