The subsurface injection and containment of oilfield solids and liquid drilling and production wastes into appropriate geologic strata provides a number of significant environmental and economic advantages. These include a reduced impact on future surface land use, reduced environmental and safety concerns with offsite or offshore transport, and a greater protection of surface water and shallow groundwater. Solids Injection provides a practical, state-of-the-art document with best practices for major aspects of the safe and environmentally sound disposal of oilfield solids through injection into subsurface strata.