| Integrated Services | 
| Geophysics | 
| Geotechnical Surveying | 
| Drilling | 
| Drilling Rigs | 
| Module Drilling Rigs | 
| Tubing & Casing Running Services | 
| Oil Tools | 
| Equipment Support Services | 
| Directional Drilling | 
| Logging | 
| Drilling & Completion Fluids | 
| Water-based Drilling Fluid Systems | 
| Nonaqueous Drilling Fluid Systems | 
| Drill-in and Completion Fluid Systems | 
| Deep water test fluid | 
| Drilling and Completion Fluid Engineering Software | 
| Lost circulation prevention and plugging technology | 
| Drilling Fluid Equipment | 
| Drilling &Completion Fluids Additives | 
| Cementing | 
| Well Cementing Technology | 
| Well cementing casing accessory and tool | 
| Cementing simulation software system | 
| Well cementing chemicals | 
| Offshore cementing equipment | 
| Onshore cementing equipment | 
| Workover | 
| Production and Optimization | 
| Low-permeability Fracturing Service | 
| Service of Plugging Removal by Acidizing | 
| Heavy Oil Recovery Service | 
| EORService | 
| OilAndWaterTreatmentService | 
| Coiled Tubing and Nitrogen Services | 
| HYSY640 Stimulation Vessel and HYSY 696 Large Integrated Fracturing Vessel | 
| Geological&Reservoir | 
| Integrated G&R services | 
| Integrated Geology & Reservoir Analysis Technology | 
| Geology & Reservoir Analysis Technology for Heavy Oil Recovery | 
| Geology & Reservoir Analysis Technology for Enhanced Oil Recovery | 
| Well Completion | 
| Production Tools | 
| Ultra HPHT Completion Tools | 
| Sand control completion | 
| Screen | 
| Intelligent Completion | 
| Heavy oil thermal recovery completion tool | 
| CCUS/CCS Well Completion Technology | 
| Artificial lift | 
| The Completion Experiment and Testing Center | 
| Completion tool service | 
| Ground services | 
| Liftboats & Accommodation Rigs | 
| Marine Support Vessels | 
| Unconventional Resources | 
| Customer Appreciation | 
| Business World-wide | 
| EPS | 
| Water-based drilling fluid/cuttings reduction treatment technology | 
| Non-water based drilling fluid/cuttings reduction technology | 
| Well Completion Waste Treatment Technology | 
| Oily sludge treatment technology | 
| Cementing Engineering Technical Services |