| Source of Wastes |
Contaminants |
Source of contaminants |
| Produced water |
Dissolved solids (salts and heavy
metals), hydrocarbons, gases (H2S,
CO2), Natural occurring
radioactive materials (NORM),
Formation solids, chemical
additives (e.g. corrosion inhibitors,
scale inhibitors, emulsion breakers,
dispersants, acids, surfactants,
Oxygen scavengers, etc.) |
Formation drilled, chemical
additives from water flood projects, |
Drill wastes (Drill cuttings and
drilling fluids) |
Deflocculants (such as chromolignosulphonate
or lignite),
lubricants, caustic (NaOH),
corrosion inhibitors, lost circulation
materials, heavy metals (barites,
chromium, cadmium, mercury and
lead), |
Chemical additives, base fluids,
drilled formations |
| Associated wastes |
Sludges, workover wastes, waste
from dehydration and sweetening
of natural gas, waste from power
plants etc. |
Surface equipment, tank bottoms,
scrubber, workover (acidizing,
fracturing) activities, |
|
