| Drilling engineering ; Natural gas hydrate ; Logging while drilling | Unit process, single operation | ZH-GD-CN | Unit processes / Energy carriers and technologies / Natural gas based fuels | 2020 | | |
| Geological design of exploration well ;Different structural belts in Weining block ;Study on Profile Refinement | Unit process, single operation | BJ-CN | Unit processes / Other Services / Engineering and consulting | 2009 | | |
| Logging engineering ; Conventional light oil layer ; Quantitative calculation of gas-oil ratio of fluid properties | Unit process, single operation | GD-CN | Unit processes / Energy carriers and technologies / Crude oil based fuels | 2003 | | |
| NGH mining ; Methane hydrate ; LCA and LCC analysis | Unit process, single operation | GD-CN | Unit processes / Energy carriers and technologies / Other non-renewable fuels | 2009 | | |
| Stratigraphic exploration;Gypsum salt layer; Geophysical and geochemical exploration survey | Unit process, single operation | SC-CN | Unit processes / Energy carriers and technologies / Energetic raw materials | 2014 | | |
