Injection means the injection of carbon dioxide streams into the storage site;
Underground injection means the subsurface emplacement of fluids through a bored, drilled or driven well; or through a dug well, where the depth of the dug well is greater than the largest surface dimension. (See also “injection well”.)
Injection tool means a device used for controlled subsurface injection of radioactive tracer material.
Injection well means a well into which fluids are injected. (See also "underground injection.")
Semisolid means a product that, at room temperature, will not pour, but will spread or deform easily, including but not limited to gels, pastes, and greases.