Table 1 Drill cuttings composition
Element | Content (ppm, wet mass) | ||
|---|---|---|---|
Average | Min | Max | |
Hydrocarbons | 14,600 | 8400 | 60,000 |
Sulfates | 5400 | 770 | 10,000 |
Chlorides | 4100 | 100 | 18,500 |
Phosphates | 340 | 40 | 500 |
Barium (Ba) | 44,000 | 60 | 15,800 |
Iron (Fe) | 28,000 | 4600 | 41,400 |
Manganese (Mn) | 1000 | 60 | 1870 |
Cobalt (Co) | 470 | 1.0 | 3150 |
Chromium (Cr) | 100 | 60 | 240 |
Copper (Cu) | 74 | 3 | 180 |
Zinc (Zn) | 74 | 10 | 160 |
Nickel (Ni) | 27 | 4 | 36 |
Lead (Pb) | 14 | 2.3 | 30 |
Arsenic (As) | 4.2 | 0.7 | 6.0 |