Table 1: Chemical composition of Bakken field produced water, North Dakota [16].
|
Depth (ft) |
HCO3- (mg/L) |
Ca (mg/L) |
Cl (mg/L) |
Mg (mg/L) |
K (mg/L) |
Na (mg/L) |
SO42- (mg/L) |
Dissolved Solids (mg/L) |
|
7906-7940 |
198 |
12864 |
191672 |
1508 |
N/A |
106954 |
465 |
313661 |
|
8070-9156 |
256 |
10916 |
183260 |
777 |
2170 |
106400 |
1510 |
305289 |
|
9070-9156 |
201 |
10724 |
180026 |
666 |
2100 |
101300 |
1510 |
296527 |
|
10335-10402 |
100 |
30340 |
194200 |
959 |
3960 |
84400 |
659 |
314518 |
|
9182-9262 |
133 |
7852 |
169633 |
400 |
1590 |
103200 |
2048 |
284856 |
|
10532-10676 |
18916 |
846 |
16820 |
25 |
138 |
10060 |
10 |
46815 |
|
10670-10725 |
366 |
15680 |
183900 |
606 |
2770 |
97300 |
780 |
301402 |
|
10809-10857 |
182 |
22008 |
192780 |
102 |
3870 |
100200 |
459 |
319601 |
|
10860-10882 |
232 |
18000 |
200928 |
1139 |
3600 |
103100 |
715 |
327714 |
|
10973-11164
|
8442 |
22380 |
199215 |
466 |
3780 |
90800 |
45 |
321568 |
|
Average |
2902.6 |
15161 |
171243.4 |
664.8 |
2664.222 |
90371.4 |
820.1 |
283195.1 |