| 序号 | Organization | Patents |
| 1 | China National Petroleum Corporation | 25 |
| 2 | China Petrochemical Corporation (Sinopec Group) | 25 |
| 3 | National-Oilwell Varco, Inc. | 10 |
| 4 | China University Of Petroleum | 9 |
| 5 | Schlumberger Limited | 8 |
| 6 | China Petroleum Univ. (BEIJING) | 4 |
| 7 | China National Offshore Oil Corp | 4 |
| 8 | Enn Technology Development Co., Ltd. | 4 |
| 9 | PANJIN HESHENG DADI PETROLEUM TECHNOLOGY CO., LTD. | 3 |
| 10 | 其他 | 64 |