1. Waste management, waste modification and disposal
2. Methods of underground waste disposal
3. Methods of exploration and selection of appropriate structures
4. Possibilities of extracted hydrocarbons reservoirs usage
5. Compatibility of wastes, rocks and underground fluids
6. Usage of old operational wellbores for pumping liquid sewage
7. Planning, constructing and operating liquid sewage disposal pumping plants
8. Hazards of disposing piqued sewages into the permeable rock stratum
9. Inappropriate choice of location
10. Failures occurring during projection and construction of disposal pumping plants and pumping wellbores
11. Failures in pumping wellbores design
12. Underground failures due to incorrect designation of rock, waste compatibility
13. Possible environmental impacts of sewage outflow
2. Methods of underground waste disposal
3. Methods of exploration and selection of appropriate structures
4. Possibilities of extracted hydrocarbons reservoirs usage
5. Compatibility of wastes, rocks and underground fluids
6. Usage of old operational wellbores for pumping liquid sewage
7. Planning, constructing and operating liquid sewage disposal pumping plants
8. Hazards of disposing piqued sewages into the permeable rock stratum
9. Inappropriate choice of location
10. Failures occurring during projection and construction of disposal pumping plants and pumping wellbores
11. Failures in pumping wellbores design
12. Underground failures due to incorrect designation of rock, waste compatibility
13. Possible environmental impacts of sewage outflow