| Petroleum Engineer | Petroleum engineering speciality |
| briny Petroleum engineering | center Petroleum Engineer |
| Petroleum engineering adept | Petroleum engineering Specialty English |
| Petroleum engineering Calculate technology | briny Petroleum engineering Corporation Ltd. |
| China petroleum engineering Construction Company | Rock mechanics And Petroleum engineering |
| Xi'an petroleum university Petroleum Engineering courtyard | Petroleum engineering Borehole Orientation speciality |
| Yangtze university Petroleum engineering College | Southwest petroleum university Petroleum Engineering courtyard |
| Chongqing technology college Petroleum Engineering courtyard | China petroleum university Petroleum Engineering courtyard |
| Zhonghai Petroleum engineering design Company | Other Petroleum engineer |
| USA Petroleum engineer college | Xi'an Petroleum college Petroleum Engineering be |
| China petroleum university Triumph college Petroleum Engineering be | Petroleum Projects regulate Experiment Henghengdɑlimu Oilfields Branch prototype research |
| China lapidification Petroleum engineering technology academe | China lapidification Group Petroleum engineering southwest Corporation Ltd. |
| China petroleum Engineering Construction conglomerate | Petroleum Projects regulate Experiment Dɑlimu Oilfields Branch prototype research |
| Qingyang Changqing Shengyuan Petroleum engineering technology Corporation Ltd. | Loopout county Zhongsheng Petroleum engineering Service Co., Ltd. |
| Gansu Huaxing Petroleum engineering Co., Ltd. | Lanzhou Dehua Petroleum engineering technology Service Co., Ltd. |
| Heshui county Qiangsheng Petroleum engineering technology Service Co., Ltd. | Lanzhou Wanjian Petroleum engineering Service Corporation Ltd. |
| Dunhuang Zhongyuan Petroleum engineering technology Service Corporation Ltd. | Lanzhou Aoxin Petroleum engineering technology Service Co., Ltd. |
| Qingyang city Xinshun Petroleum engineering Service Corporation Ltd. | Jing chuan county Huayuan Petroleum engineering Technology Service Corporation Ltd. |
| Shaanxi Changli Petroleum engineering Corporation ltd. Qingyang Branch | Heshui county Changxing Petroleum engineering technology Service Corporation Ltd. |
| Qingyang city Xinhai Petroleum engineering Service Corporation Ltd. | Qingyang Changqing Bada Engineering Co., ltd. Petroleum engineering Surplus franchise Branch |
| Loopout county Xingyu Petroleum engineering Service Co., Ltd. | Qingyang city Zhicheng Petroleum engineering technology Corporation Ltd. |
| Lanzhou Lanshi Son Oiler Petroleum engineering Corporation ltd. | Xinjiang Petroleum engineering Construction Co., Ltd. |
|
Petroleum