ANALYSES OF THE OILS 
215 
Table 2. —Proximate analyses of Southern California crude oils. 
[By Paul W. Prutzman.] 
Distillation. 
Asphalt. 
Calculated analysis. 
Total. 
gasoline. 
Per cent. 
Grade. 
Loss (per cent). 
Per cent. 
Gravity (° B). 
Per cent. 
Gravity (° B.). 
25.9 
D 
2 
0.5 
12.1 
40 
0 
2 
52.3 
49 
25.8 
40 
41.7 
D 
1.7 
0 
0 
.... 
15.4 
D 
1.4 
1.5 
54 
19.5 
41 
25.5 
D 
1.7 
8 
54 
16 
41 
11.8 
D 
0 
13.3 
53 
15.3 
41 
25.3 
D 
2.7 
12.4 
57 
19.2 
42 
16 
D 
3 
11.4 
55 
17.5 
41 
12.9 
C 
2 
16.4 
59 
24.3 
42 
11.1 
D 
3.5 
14.3 
53 
17.2 
41 
18.8 
D 
.5 
21.2 
58 
18.3 
42 
25.6 
D 
.9 
15 
60 
18.5 
42 
21.1 
D 
3 
18.3 
54 
16.5 
42 
13.3 
B 
3 
0 
4 
40 
25.7 
D 
3 
0 
.... 
3 
40 
42 
D 
2 
1.2 
7.7 
40 
32.1 
D 
2 
1.8 
55 
17.9 
42 
25.9 
E 
4.3 
4.4 
54 
12.3 
41 
31.6 
D 
1 
12.3 
56 
17.8 
42 
9 
D 
1.7 
24.3 
58 
20.6 
42 
16.7 
D 
.6 
26 
59 
20.8 
42 
15.6 
D 
.6 
27.6 
60 
24.8 
42 
8 
D 
1.5 
24.6 
60 
23.1 
42 
12.9 
D 
2.9 
25.7 
61 
25.1 
42 
26 
D 
2.5 
13.3 
58 
25.2 
42 
24 
F 
1.5 
15.4 
58 
24.7 
42 
22.1 
D 
2 
22.9 
58 
17 
42 
27.3 
D 
4 
.7 
14 
41 
21.4 
D 
4.2 
2.8 
54 
14.4 
41 
20.2 
D 
2.6 
6 
55 
16.4 
41 
19.7 
E 
4.7 
5.9 
56 
15.6 
41 
Kero¬ 
sene. 
Mid¬ 
dlings. 
Lubri¬ 
cants. 
Per cent. 
Gravity (° B). 
Per cent. 
Gravity (° B.). 
23.8 
19.9 
24.3 
35.7 
0 
32.3 
34.1 
17.5 
24.5 
21.4 
35.1 
19 
37.2 
31.8 
42.5 
18.7 
18.4 
34 
34.7 
20.9 
15.4 
33.7 
29 
21 
12.1 
32.7 
21.3 
23 
16.4 
32.5 
18 
22.3 
23.1 
31.8 
34.1 
18.6 
20.6 
33.2 
33.5 
19.5 
Middlings and tubri- 
cants (per cent). 
Asphalt. 
Loss (per cent). 
Per cent vol¬ 
ume. 
Percent weight. 
Pounds per bar¬ 
rel. 
25.9 
28.6 
94.9 
2 
0 
2 
41.7 
44.4 
153.1 
1.7 
62.2 
15.4 
18.1 
56.4 
1.4 
48.8 
25.5 
29.5 
93.6 
1.7 
11.8 
13.7 
43.2 
0 
25.3 
29.5 
92.9 
2.7 
52.1 
16 
18.8 
59 
3 
44.4 
12.9 
15.2 
47.4 
2 
53.9 
11.1 
13.1 
40.8 
3.5 
41.2 
18.8 
22.1 
69 
.5 
40 
25.6 
29.1 
92.1 
.9 
41.1 
21.1 
25.1 
77.7 
3 
13.3 
13.8 
46.7 
3 
68.3 
25.7 
28.1 
93.9 
3 
47.1 
42 
45.9 
154.3 
2 
46.2 
32.1 
36.1 
117.9 
2 
25.9 
29.2 
95.1 
4.3 
37.3 
31.6 
36.3 
116.2 
1 
9 
10.7 
32.3 
1.7 
35.9 
16.7 
20.5 
61.7 
.6 
31.4 
15.6 
18.1 
57.3 
.6 
42.8 
8 
9.6 
29 
1.5 
12.9 
16 
49 
2.9 
33 
26 
30.7 
95.7 
2.5 
24 
28.5 
88.2 
1.5 
36 
22.1 
26.3 
81.4 
2 
54 
27.3 
30.8 
100.2 
4 
21.4 
24.2 
78.4 
4.2 
54.8 
20.2 
23.2 
74.3 
2.6 
19.7 
22.6 
72.3 
4.7 
Remarks. 
White oil. 
Green oil. 
Greenish oil. 
Greenish oil. 
Mixture from 
four wells. 
© 
Ph 
a 
tn 
o 
£ 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
19 
18 
20 
21 
22 
23 
24 
25 
26 
27 
28 
29 
30 
31 
