Southern, Assessment Unit 60900102 - USGS · Southern, Assessment Unit 60900102 0 10 20 30 40 50 60...
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Southern, Assessment Unit 60900102 0 10 20 30 40 50 60 70 80 90 100 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 DRILLING-COMPLETION YEAR CUM. NEW-FIELD WILDCAT WELLS (No.)
Transcript of Southern, Assessment Unit 60900102 - USGS · Southern, Assessment Unit 60900102 0 10 20 30 40 50 60...
Southern, Assessment Unit 60900102
0
10
20
30
40
50
60
70
80
90
100
1910 1920 1930 1940 1950 1960 1970 1980 1990 2000
DRILLING-COMPLETION YEAR
CU
M. N
EW
-FIE
LD
WIL
DC
AT
WE
LL
S (
No
.)
Southern, Assessment Unit 60900102
0
1
2
3
4
5
6
7
8
9
1915
1918
1921
1924
1927
1930
1933
1936
1939
1942
1945
1948
1951
1954
1957
1960
1963
1966
1969
1972
1975
1978
1981
1984
1987
1990
1993
DRILLING-COMPLETION YEAR
NE
W-F
IEL
D W
ILD
CA
T W
EL
LS
(N
o.)
Southern, Assessment Unit 60900102
1
10
100
1,000
0 1 2 3 4 5 6
OIL-FIELD RANK BY SIZE
KN
OW
N O
IL-F
IEL
D S
IZE
(M
MB
O)
First half of fields discovered
Second half of fields discovered
Southern, Assessment Unit 60900102
0
1
2
3
1 to
<2
2 to
<4
4 to
<8
8 to
<16
16 to
<32
32 to
<64
64 to
<12
8
128
to <
256
256
to <
512
512
to <
1,02
4
1,02
4 to
<2,
048
2,04
8 to
<4,
096
4,09
6 to
<8,
192
8,19
2 to
<16
,384
16,3
84 to
<32
,768
32,7
68 to
<65
,536
65,5
36 to
<13
1,07
2
131,
072
to <
262,
144
>=26
2,14
4
KNOWN OIL-FIELD SIZE (MMBO)
OIL
FIE
LD
S (
No
.)
Second halfof fieldsdiscovered
First half offieldsdiscovered
Southern, Assessment Unit 60900102
0
50
100
150
200
250
300
350
400
450
500
1 to
<2
2 to
<4
4 to
<8
8 to
<16
16 to
<32
32 to
<64
64 to
<12
8
128
to <
256
256
to <
512
512
to <
1,02
4
1,02
4 to
<2,
048
2,04
8 to
<4,
096
4,09
6 to
<8,
192
8,19
2 to
<16
,384
16,3
84 to
<32
,768
32,7
68 to
<65
,536
65,5
36 to
<13
1,07
2
131,
072
to <
262,
144
>=26
2,14
4
KNOWN OIL-FIELD SIZE (MMBO)
VO
LU
ME
OF
OIL
(M
MB
O)
Southern, Assessment Unit 60900102
1
10
100
1,000
1910 1920 1930 1940 1950 1960 1970 1980 1990 2000
FIELD-DISCOVERY YEAR
KN
OW
N O
IL-F
IEL
D S
IZE
(M
MB
O)
Southern, Assessment Unit 60900102
1
10
100
1,000
0 10 20 30 40 50 60 70 80 90 100
CUM. NEW-FIELD WILDCAT WELLS (No.)
KN
OW
N O
IL-F
IEL
D S
IZE
(M
MB
O)
Southern, Assessment Unit 60900102
0
100
200
300
400
500
600
700
800
900
1,000
1910 1920 1930 1940 1950 1960 1970 1980 1990 2000
FIELD-DISCOVERY YEAR
CU
M. K
NO
WN
OIL
VO
LU
ME
(M
MB
O)
Southern, Assessment Unit 60900102
0
100
200
300
400
500
600
700
800
900
1,000
0 10 20 30 40 50 60 70 80 90 100
CUM. NEW-FIELD WILDCAT WELLS (No.)
CU
M. K
NO
WN
OIL
VO
LU
ME
(M
MB
O)
Southern, Assessment Unit 60900102
0
1
2
3
4
5
6
7
8
9
10
1910 1920 1930 1940 1950 1960 1970 1980 1990 2000
FIELD-DISCOVERY YEAR
CU
M. O
IL F
IEL
DS
(N
o.)
Southern, Assessment Unit 60900102
0
1
2
3
4
5
6
7
8
9
10
0 10 20 30 40 50 60 70 80 90 100
CUM. NEW-FIELD WILDCAT WELLS (No.)
CU
M. O
IL F
IEL
DS
(N
o.)
Southern, Assessment Unit 60900102
0
200
400
600
800
1,000
1,200
1,400
1,600
1,800
2,000
1910 1920 1930 1940 1950 1960 1970 1980 1990 2000
FIELD-DISCOVERY YEAR
RE
SE
RV
OIR
DE
PT
H, O
IL F
IEL
DS
(m
)
Southern, Assessment Unit 60900102
0
200
400
600
800
1,000
1,200
1,400
1,600
1,800
2,000
0 10 20 30 40 50 60 70 80 90 100
CUM. NEW-FIELD WILDCAT WELLS (No.)
RE
SE
RV
OIR
DE
PT
H, O
IL F
IEL
DS
(m
)
Southern, Assessment Unit 60900102
0
100
200
300
400
500
600
700
0 200 400 600 800 1,000 1,200 1,400 1,600 1,800 2,000
MEAN RESERVOIR DEPTH (m)
GA
S/O
IL, O
IL F
IEL
DS
(C
FG
/BO
)
Southern, Assessment Unit 60900102
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1
2
3
4
5
6
7
8
9
10
0 to <10 10 to<20
20 to<30
30 to<40
40 to<50
50 to<60
60 to<70
70 to<80
80 to<90
90 to<100
>=100
API GRAVITY (DEGREES)
RE
SE
RV
OIR
S IN
OIL
FIE
LD
S (
No
.)
Southern, Assessment Unit 60900102
0
10
20
30
40
50
60
70
80
90
100
1910 1920 1930 1940 1950 1960 1970 1980 1990 2000
DRILLING-COMPLETION YEAR
CU
M. N
EW
-FIE
LD
WIL
DC
AT
WE
LL
S (
No
.)
Southern, Assessment Unit 60900102
0
1
2
3
4
5
6
7
8
9
1915
1918
1921
1924
1927
1930
1933
1936
1939
1942
1945
1948
1951
1954
1957
1960
1963
1966
1969
1972
1975
1978
1981
1984
1987
1990
1993
DRILLING-COMPLETION YEAR
NE
W-F
IEL
D W
ILD
CA
T W
EL
LS
(N
o.)
Southern, Assessment Unit 60900102
1
10
100
1,000
0 1 2 3 4 5 6
OIL-FIELD RANK BY SIZE
GR
OW
N O
IL-F
IEL
D S
IZE
(M
MB
O)
First half of fields discovered
Second half of fields discovered
Southern, Assessment Unit 60900102
0
1
2
3
4
1 to
<2
2 to
<4
4 to
<8
8 to
<16
16 to
<32
32 to
<64
64 to
<12
8
128
to <
256
256
to <
512
512
to <
1,02
4
1,02
4 to
<2,
048
2,04
8 to
<4,
096
4,09
6 to
<8,
192
8,19
2 to
<16
,384
16,3
84 to
<32
,768
32,7
68 to
<65
,536
65,5
36 to
<13
1,07
2
131,
072
to <
262,
144
>=26
2,14
4
GROWN OIL-FIELD SIZE (MMBO)
OIL
FIE
LD
S (
No
.)
Second halfof fieldsdiscovered
First half offieldsdiscovered
Southern, Assessment Unit 60900102
0
50
100
150
200
250
300
350
1 to
<2
2 to
<4
4 to
<8
8 to
<16
16 to
<32
32 to
<64
64 to
<12
8
128
to <
256
256
to <
512
512
to <
1,02
4
1,02
4 to
<2,
048
2,04
8 to
<4,
096
4,09
6 to
<8,
192
8,19
2 to
<16
,384
16,3
84 to
<32
,768
32,7
68 to
<65
,536
65,5
36 to
<13
1,07
2
131,
072
to <
262,
144
>=26
2,14
4
GROWN OIL-FIELD SIZE (MMBO)
VO
LU
ME
OF
OIL
(M
MB
O)
Southern, Assessment Unit 60900102
1
10
100
1,000
1910 1920 1930 1940 1950 1960 1970 1980 1990 2000
FIELD-DISCOVERY YEAR
GR
OW
N O
IL-F
IEL
D S
IZE
(M
MB
O)
Southern, Assessment Unit 60900102
1
10
100
1,000
0 10 20 30 40 50 60 70 80 90 100
CUM. NEW-FIELD WILDCAT WELLS (No.)
GR
OW
N O
IL-F
IEL
D S
IZE
(M
MB
O)
Southern, Assessment Unit 60900102
0
100
200
300
400
500
600
700
800
900
1,000
1910 1920 1930 1940 1950 1960 1970 1980 1990 2000
FIELD-DISCOVERY YEAR
CU
M. G
RO
WN
OIL
VO
LU
ME
(M
MB
O)
Southern, Assessment Unit 60900102
0
100
200
300
400
500
600
700
800
900
1,000
0 10 20 30 40 50 60 70 80 90 100
CUM. NEW-FIELD WILDCAT WELLS (No.)
CU
M. G
RO
WN
OIL
VO
LU
ME
(M
MB
O)
Southern, Assessment Unit 60900102
0
2
4
6
8
10
12
1910 1920 1930 1940 1950 1960 1970 1980 1990 2000
FIELD-DISCOVERY YEAR
CU
M. O
IL F
IEL
DS
(N
o.)
Southern, Assessment Unit 60900102
0
2
4
6
8
10
12
0 10 20 30 40 50 60 70 80 90 100
CUM. NEW-FIELD WILDCAT WELLS (No.)
CU
M. O
IL F
IEL
DS
(N
o.)
Southern, Assessment Unit 60900102
0
200
400
600
800
1,000
1,200
1,400
1,600
1,800
2,000
1910 1920 1930 1940 1950 1960 1970 1980 1990 2000
FIELD-DISCOVERY YEAR
RE
SE
RV
OIR
DE
PT
H, O
IL F
IEL
DS
(m
)
Southern, Assessment Unit 60900102
0
200
400
600
800
1,000
1,200
1,400
1,600
1,800
2,000
0 10 20 30 40 50 60 70 80 90 100
CUM. NEW-FIELD WILDCAT WELLS (No.)
RE
SE
RV
OIR
DE
PT
H, O
IL F
IEL
DS
(m
)
Southern, Assessment Unit 60900102
0
100
200
300
400
500
600
700
0 200 400 600 800 1,000 1,200 1,400 1,600 1,800 2,000
MEAN RESERVOIR DEPTH (m)
GA
S/O
IL, O
IL F
IEL
DS
(C
FG
/BO
)
Southern, Assessment Unit 60900102
0
2
4
6
8
10
12
0 to <10 10 to<20
20 to<30
30 to<40
40 to<50
50 to<60
60 to<70
70 to<80
80 to<90
90 to<100
>=100
API GRAVITY (DEGREES)
RE
SE
RV
OIR
S IN
OIL
FIE
LD
S (
No
.)
Southern, Assessment Unit 60900102Volumes of Discovered Petroleum
[MMBO, million barrels of oil. BCFG, billion cubic feet of gas. MMBNGL, million barrels of natural gas liquids. Fields containing less than 1 MMBO in oilfields or 6 BCFG in gas fields were not considered in the assessment. Fields were classified as oil or gas by the USGS. Fields without reported discoverydates were not included. NA means not applicable and is shown for volumes where only one field is present. Calculated values may not be equal to the
sums of the component values because numbers have been independently rounded.]
Known (Discovered) Volumes Grown (Discovered) VolumesField Type Number Number
of Fields Oil (MMBO) Gas (BCFG) NGL (MMBNGL) of Fields Oil (MMBO) Gas (BCFG) NGL (MMBNGL)
Oil Fields 9 679 206 0 10 904 260 0Gas Fields 0 0 0 0 0 0 0 0
Fields <1 MMBOE 6 3 0 0 5 3 0 0
All Fields 15 681 206 0 15 907 260 0
Page 1
Southern, Assessment Unit 60900102Discovery-History Sequence
[MMBO, million barrels of oil. BCFG, billion cubic feet of gas. Fields containing less than 1 MMBO in oil fields or 6 BCFG in gas fields werenot considered in the assessment. Fields were classified as oil or gas by the USGS. The first half or third shows year of first field discovery
as well as end of period. NA means not applicable and is shown where fewer than four fields are present.]
Discovery-History Sequence - Known (Discovered) VolumesFieldType Year Number of Total Mean Median
(End of Period) Fields Volume Size Size
Oil Fields Known Sizes (MMBO)First half 1946-1982 5 607 121 103Second half 1987 4 72 18 13
All Oil Fields 9 679 75 45Gas Fields Known Sizes (BCFG)
First third NA NA NA NA NASecond third NA NA NA NA NAThird third NA NA NA NA NA
All Gas Fields NA NA NA NA
Page 2
Southern, Assessment Unit 60900102Discovery-History Sequence
[MMBO, million barrels of oil. BCFG, billion cubic feet of gas. Fields containing less than 1 MMBO in oil fields or 6 BCFG in gas fields werenot considered in the assessment. Fields were classified as oil or gas by the USGS. The first half or third shows year of first field discovery
as well as end of period. NA means not applicable and is shown where fewer than four fields are present.]
Discovery-History Sequence - Grown (Discovered) VolumesFieldType Year Number of Total Mean Median
(End of Period) Fields Volume Size Size
Oil Fields Grown Sizes (MMBO)First half 1946-1981 5 682 136 128Second half 1987 5 223 45 43
All Oil Fields 10 904 90 56Gas Fields Grown Sizes (BCFG)
First third NA NA NA NA NASecond third NA NA NA NA NAThird third NA NA NA NA NA
All Gas Fields NA NA NA NA
Page 3
