0120-0283
0120-0283
S0120-02832019000200151
10.18273/revbol.v41n2-2019009
Ecuador
Ecuador
00
08
2019
00
08
2019
41
2
151
157
[
2000
]
[
Belco Petroleum Ecuador
1988
]
[
Belco Petroleum Ecuador
1991
]
[
CEPET-SRG
1986
]
[
GEMS
2007
]
[
Litton Resources Group
1986
]
[
2018
40
1
1
31-42
]
[
1991
218
]
[
PDVSA
2011
]
[
PDVSA
2014
]
[
PDVSA
2014
]
[
1984
68
1
1
31-49
]
[
2006
234
3-4
3-4
321-39
]
[
2010
31
5
5
500-14
]