Surgil ESIA Report - Volume III - EKN

Management procedure of the drilling wastes
(cuttings barns) recycling, generated during
production wells drilling in Surgil field
Table P4.5 continuous
Serial number
Persistence
Bioaccumulation
Dataware index
Points sum
Relative safety parameter,
Х1
Z1=4/3X1-1/3
LgW1
W1
C, mg/kg
Danger degree index,
Кi
1 13 14 15 16 17 18 19 20 21 22
1.
Toxicity close to
initial
no
0.5
6/12
22 3.14 3.85 3.85 7079.46 280672 39.6
2. 3 4 2 - - - - - - -
3. - no
0.667
8/12
28 3.11 3.81 3.81 6456.54 39496 6.1
4. - 4 2 - - - - - - -
Formation of
0.667
5. less toxic products
no
29 3.22 3.96 3.96 9120.11 18487 2.0
8/12
6. 4 4 2 - - - - - - -
7. - -
0.333
4/12
15 3.0 3.67 3.67 4677.35 184874 39.5
8. - - 1 - - - - - - -
7. - -
0.416
5/12
19 3.17 3.89 3.89 7762.47 39496 5.1
8. - - 1 - - - - - - -
9. - -
0.416
5/12
19 3.17 3.89 3.89 7762.47 86555 11.2
10. - - 1 - - - - - - -
11. -
In some
sections
0.41 15 2.5 3.0 3.0 1000 175630 175.6
12. - 2 1 - - - - - - -
13. - - 12 4.00 5.00 6.00 10 6 14286 0.01
14. - - - - - - - - - -
15. - - 12 4.00 5.00 6.00 10 6 150420 0.2
16. 279.4
17. К = 100 < 279.4 < 1000. III danger class
- 44 -