Krishna Godavari Basin NELP VII
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Transcript of Krishna Godavari Basin NELP VII
KRISHNA-GODAVARI BASIN
1. BASIN AREA ( ONLAND ) : 28,000 Sq. Km.
(OFFSHORE) : 145,000 Sq. Km.
1.1 BASIN LOCATION MAP : Refer Sedimentary Basin Map of India in Notice Inviting Offers (NIO)
2. EXISTING DATA BASE
2.1 SEISMIC DATA
2D (LKM) 3D (Sq. Km.) Data acquired by
Onland Offshore Onland Offshore
ONGC 34481 48301 3051 9808
Pvt./JV 715 14704 - 17267
DGH - 11748 - -
Total 35196 74753 3051 27075
2.2 OTHER SURVEYS : Gravity Magnetic Surveys
along with seismic surveys
: Satellite Gravity Survey
2.3 Well Data :
Number of Exploratory wells : Onland – 375
Offshore – 182
Hydrocarbon : Basin with several oil & gas Discoveries / fields shows
3. BLOCKS ON OFFER :
6 Blocks (3 in Deep Water, 3 in
Shallow Offshore)
KG-DWN-2005/1
KG-DWN-2005/2
KG-DWN-2005/3
KG-OSN-2005/1
KG-OSN-2005/2
KG-OSN-2005/3
4. BASIN TYPE : Pericratonic rift basin 5. PROVEN SEDIMENTARY SECTION :
5.1 GENERALISED STRATIGRAPHIC SEQUENCE
AGE RANGE THICKNESS (km) Proterozoic - Recent ~ 7
5.2 LITHO-STRATIGRAPHIC SECTION ALONG A NE – SW PROFILE,
KRISHNA GODAVARI BASIN 5.3 NW-SE GEOLOGICAL CROSS SECTION, KRISHNA GODAVARI
BASIN
Tanuku FormationKommugudem
Formation
Narsapur Claystone
Krishna Fm
5000
4000
3000
2000
1000
0
5000
4000
3000
2000
1000
0
5000
4000
3000
2000
1000
0
5000
4000
3000
2000
1000
0
Depth in m
eters
Basement
NDG-1 BNT-1BBL-1 KVT-1 MDP-1 MVD-1
NESW
+ + + + + + + + + ++ + + + +
++
+ + + +
++
+ + + + + + + +
+ + +
++ + +
SCALE75 km502525 0
RazoleFormationMatsyapuri Sandstone
NimmakuruSandstone
Tirupati Sandstone
RaghavapuramShale
PalakolluShale
6. PETROLEUM GEOLOGY :
EXPECTED RESERVOIRS : Permian to Triassic sandstones Cretaceous to Paleocene sandstones Eocene limestones & sandstones Miocene to Pliocene sandstones EXPECTED SOURCE ROCKS : Shales in Permian, Cretaceous & Paleocene - Eocene sequences EXPECTED CAP ROCKS : Intraformational shales
7. PROVEN /EXPECTED PLAY TYPES :
(i) Structural highs / Fault Closures
(ii) Unconformity related traps
(iii) Wedgeouts
(iv) Channel-Levee systems
BLOCKS ON OFFER
LOCATION OF THE BLOCKS
BLOCK : KG-DWN-2005/1 1. BLOCK AREA : 1,718 Sq. Km (approx.)
2. WATER DEPTH RANGE : from 3000m to 3300m
3. EXISTING DATA BASE
3.1 Seismic Data 2D – 215 LKM
3.2 OTHER SURVEYS : Gravity Magnetic Survey
3.3 WELL DATA
Number of Exploratory Wells - Nill
CEID
W01-101
100
300
500
600
CEID
W01-107
2800
3000
3200
3400
CEID
W01-111B
2800
3000
3200
3400
3525
CEID
W01-117
100
300
500
700
900
1019
CEID
W01-201
100
300
500
700
900
1000
CEID
W01-203
5500
5700
5900
6100
6300
6500
6600
CEID
W01-205
3500
3700
3874
CEID
W01-207
100
200
EC-341
4000
4199
0 2,000 4,000
Meters
Scale 1 : 100000
14 30 0014 34 00
14 38 0014 42 00
14 46 0014 50 00
14 54 00
81 58 00
14 30 0014 34 00
14 38 0014 42 00
14 46 0014 50 00
14 54 00
82 02 00 82 06 00 82 10 00 82 14 00 82 18 00 82 22 00 82 26 00 82 30 00
81 58 00 82 02 00 82 06 00 82 10 00 82 14 00 82 18 00 82 22 00 82 26 00 82 30 00
CEID
W01-101
100
300
500
600
CEID
W01-107
2800
3000
3200
3400
CEID
W01-111B
2800
3000
3200
3400
3525
CEID
W01-117
100
300
500
700
900
1019
CEID
W01-201
100
300
500
700
900
1000
CEID
W01-203
5500
5700
5900
6100
6300
6500
6600
CEID
W01-205
3500
3700
3874
CEID
W01-207
100
200
EC-341
4000
4199
0 2,000 4,000
Meters
Scale 1 : 100000
14 30 0014 34 00
14 38 0014 42 00
14 46 0014 50 00
14 54 00
81 58 00
14 30 0014 34 00
14 38 0014 42 00
14 46 0014 50 00
14 54 00
82 02 00 82 06 00 82 10 00 82 14 00 82 18 00 82 22 00 82 26 00 82 30 00
81 58 00 82 02 00 82 06 00 82 10 00 82 14 00 82 18 00 82 22 00 82 26 00 82 30 00
4. SOME OF THE INTERPRETED PLAY TYPES
SECTION SHOWS TWO STRUCTURAL PROSPECTS, ONE OVER 82o RIDGE AND THE OTHER IN THE EOCENE - CRETACEOUS SECTION NORTH OF SP 6000 AND STRATIGRAPHIC WEDGEOUT / PINCHOUT PROSPECTS AT THE FLANKS OF THE 82o RIDGE
SLINE CEIDW01-203 (MIG)
5750
6000
6250
6500
6750
7000
7250
7500
7750
8000
8250
8568
TWT
IN
MS
6500 659964006300620061006000590058005700N CDP
560055005450
MIOCENE TOP
OLIGOCENE TOP
EOCENE TOP
UPPER CRETACEOUS TOPBASEMENT
H I G H
H I G HH I G H
WEDGEOUT PROSPECTWEDGEOUT PROSPECT
H I G H
SLINE CEIDW01-203 (MIG)
5750
6000
6250
6500
6750
7000
7250
7500
7750
8000
8250
8568
TWT
IN
MS
6500 659964006300620061006000590058005700N CDP
560055005450
MIOCENE TOP
OLIGOCENE TOP
EOCENE TOP
UPPER CRETACEOUS TOPBASEMENT
H I G H
H I G HH I G H
WEDGEOUT PROSPECTWEDGEOUT PROSPECT
H I G H
BLOCK : KG-DWN-2005/2 1. BLOCK AREA : 1949 Sq. Km (approx.)
2. EXISTING DATA BASE
2.1 Seismic Data : 2D – 985 LKM
2.2 OTHER SURVEYS : Gravity Magnetic Survey
2.3 WELL DATA
Number of Exploratory Well - Nil
I88-205C
5347
5547
57475787
I88-214603
403
278I88-216
146
41
I88-218
423
223
43
I88-220451
251
5141
I88-222
497
297
97
42I88-224
578
378
178
48
I88-226523
323
151
I88-228
104
44
KB-97-02
2
202
402
602
KB-97-04
572
772
972
1172
1372
1442
KB-97-05
446
646
721
KB-97-06
975
1175
1375
1575
1580
KB-97-07
4
204
404409
KB-97-08
2698
2898
3098
32983307
KB-97-09
332
532
732
767
KB-97-10
2564
2764
2964
3174
KB-97-11
72
272
472
526
KB-97-13
307
507
672
KB-97-15
72
272
472
672
780
KB-97-17
6
206
406
606
780
KB-97-19
2
202
402
602622
KB-97-21
36
236
436461
KB-97-23
541
741
760
NKGD-502551
3521
37213806
1918
2118
2318
2518
2718
2793
NKGD423550
2762
2962
3162
3362
3562
3762
3962
41624192
NKGD425562
2364
2564
2764
2964
3164
3364
3564
3764
3964
4094
NKGD427A561
2402
2602
2802
3002
3202
3402
3602
3722
NKGD429554
2575
2775
2975
3175
3320
NKGD501A571
3711
3911
4111
4311
4511
4606
NKGD503569
3924
4124
4324
45244584
NKGD504552
4270
4470
4670
4870
5070
5245 NKGD505568
3746
3946
4146
4346
45464552
NKGD506A553
886
1086
1286
1486
1686
1886
2086
2119
NKGD507567
4219
4419
46194629
4623
4823
NKGS-14A646
991
1191
1391
1591
1791
1991
2191
2391
2591
2791
2866
17 02 0017 06 00
17 10 0017 14 00
17 18 0017 22 00
17 26 0017 30 00
17 34 0017 38 00
17 42 0017 46 00
17 50 00
83 34 00 83 38 00 83 42 00 83 46 00 83 50 00 83 54 00 83 58 00 84 02 00
NKGD51654
42562
4838
NKGD402560
3164
372
304
346
3724
2375
611
83 34 00 83 38 00 83 42 00 83 46 00 83 50 00 83 54 00 83 58 00 84 02 00
17 02 0017 06 00
17 10 0017 14 00
17 18 0017 22 00
17 26 0017 30 00
17 34 0017 38 00
17 42 0017 46 00
17 50 00
Block Boundary
Seismic Lines
LEGEND
0 5,000 10,000 Meters
Scale 1 : 250000
I88-205C
5347
5547
57475787
I88-214603
403
278I88-216
146
41
I88-218
423
223
43
I88-220451
251
5141
I88-222
497
297
97
42I88-224
578
378
178
48
I88-226523
323
151
I88-228
104
44
KB-97-02
2
202
402
602
KB-97-04
572
772
972
1172
1372
1442
KB-97-05
446
646
721
KB-97-06
975
1175
1375
1575
1580
KB-97-07
4
204
404409
KB-97-08
2698
2898
3098
32983307
KB-97-09
332
532
732
767
KB-97-10
2564
2764
2964
3174
KB-97-11
72
272
472
526
KB-97-13
307
507
672
KB-97-15
72
272
472
672
780
KB-97-17
6
206
406
606
780
KB-97-19
2
202
402
602622
KB-97-21
36
236
436461
KB-97-23
541
741
760
NKGD-502551
3521
37213806
1918
2118
2318
2518
2718
2793
NKGD423550
2762
2962
3162
3362
3562
3762
3962
41624192
NKGD425562
2364
2564
2764
2964
3164
3364
3564
3764
3964
4094
NKGD427A561
2402
2602
2802
3002
3202
3402
3602
3722
NKGD429554
2575
2775
2975
3175
3320
NKGD501A571
3711
3911
4111
4311
4511
4606
NKGD503569
3924
4124
4324
45244584
NKGD504552
4270
4470
4670
4870
5070
5245 NKGD505568
3746
3946
4146
4346
45464552
NKGD506A553
886
1086
1286
1486
1686
1886
2086
2119
NKGD507567
4219
4419
46194629
4623
4823
NKGS-14A646
991
1191
1391
1591
1791
1991
2191
2391
2591
2791
2866
17 02 0017 06 00
17 10 0017 14 00
17 18 0017 22 00
17 26 0017 30 00
17 34 0017 38 00
17 42 0017 46 00
17 50 00
83 34 00 83 38 00 83 42 00 83 46 00 83 50 00 83 54 00 83 58 00 84 02 00
NKGD51654
42562
4838
NKGD402560
3164
372
304
346
3724
2375
611
83 34 00 83 38 00 83 42 00 83 46 00 83 50 00 83 54 00 83 58 00 84 02 00
17 02 0017 06 00
17 10 0017 14 00
17 18 0017 22 00
17 26 0017 30 00
17 34 0017 38 00
17 42 0017 46 00
17 50 00
Block Boundary
Seismic Lines
LEGEND
0 5,000 10,000 Meters
Scale 1 : 250000
3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN NEARBY WELL KG-DWN-98/4-A-1
Depth(m)AGE LITHOLOGY DESCRIPTIONFORMATION REMARKS
200
400
600
800
1000
1200
1400
1600
1800
2000
2200
2400
2600
2800
3000
3200
3400
W A
T E
RC
O L
U M
NN
E
O
G
E N
E
PALAEOGENE
CRETACEOUS
UNIT – II
CRETACEOUS
UNIT – I
RIFT
FILL
ARCHAEAN
CLAYSTONE
LIMESTONE
SHALE AND SILTSTONE
SILTY SHALE
SHALE AND SILTSTONE
SHALE
SHALE AND SILTSTONE
SANDSTONE
BASEMENT
DD : 3520m
SANDSTONE
Depth(m)AGE LITHOLOGY DESCRIPTIONFORMATION REMARKS
200
400
600
800
1000
1200
1400
1600
1800
2000
2200
2400
2600
2800
3000
3200
3400
W A
T E
RC
O L
U M
NN
E
O
G
E N
E
PALAEOGENE
CRETACEOUS
UNIT – II
CRETACEOUS
UNIT – I
RIFT
FILL
ARCHAEAN
CLAYSTONE
LIMESTONE
SHALE AND SILTSTONE
SILTY SHALE
SHALE AND SILTSTONE
SHALE
SHALE AND SILTSTONE
SANDSTONE
BASEMENT
DD : 3520m
SANDSTONE
4. INTERPRETED PLAY TYPE
SECTION SHOWS FOUR STRATIGRAPHIC PINCHOUTS (PROSPECTS) : (1) & (2) WITHIN UPPER CRETACEOUS AND (3) & (4) WITHIN EOCENE)
2700 2600 2500 24342800290030003100320033091824
2250
2500
2750
3000
3250
3500
3750
4000
4250
4500
4920
NW SELINE NKGD427A561 (MIG)
TWT
IN
MS
EOCENE TOPUPPER CRETACEOUS TOP
LOWER CRETACEOUS TOP
3
2
1
4
CDP
LOWER CRETACEOUS TOP
2700 2600 2500 24342800290030003100320033091824
2250
2500
2750
3000
3250
3500
3750
4000
4250
4500
4920
NW SELINE NKGD427A561 (MIG)
TWT
IN
MS
EOCENE TOPUPPER CRETACEOUS TOP
LOWER CRETACEOUS TOP
33
22
11
4
CDP
LOWER CRETACEOUS TOP
BLOCK : KG-DWN-2005/3
1. BLOCK AREA : 2246 Sq. Km (approx.)
2. EXISTING DATA BASE
2.1 Seismic Data : 2D – 285 LKM
2.2 OTHER SURVEYS : Gravity Magnetic Survey
2.3 WELL DATA
Number of Exploratory Well - Nill
EC-160
12400
12200
12000
11800
11600
11400
11200
11000
10800
10600
10400
Ec-241
3920
3720
3520
3320
3120
2920
2720
2520
2320
2120
1920
EC-231
2360
NKGD501A571959
1159
1359
1541
NKGD503569
1677
1477
1277
1077
887
NKGD505568
883
1083
1283
1423
KGD5075671152
952
887
KGD518A56
3
2789
2589
2389
2189
1989
1889
0 2,000 4,000 M eters
Scale 1 : 1 00000
17 10 00
84 10 00
2250
84 14 00 84 18 00 84 22 00 84 26 00 84 30 00 84 34 00
17 06 0017 02 00
16 58 0016 54 00
16 50 0016 46 00
16 42 0016 38 00
16 34 0016 30 00
84 10 00 84 14 00 84 18 00 84 22 00 84 26 00 84 30 00 84 34 00
17 10 0017 06 00
17 02 0016 58 00
16 54 0016 50 00
16 46 0016 42 00
16 38 0016 34 00
16 30 00
Block Boundary
Seismic Lines
LEGEND
EC-160
12400
12200
12000
11800
11600
11400
11200
11000
10800
10600
10400
Ec-241
3920
3720
3520
3320
3120
2920
2720
2520
2320
2120
1920
EC-231
2360
NKGD501A571959
1159
1359
1541
NKGD503569
1677
1477
1277
1077
887
NKGD505568
883
1083
1283
1423
KGD5075671152
952
887
KGD518A56
3
2789
2589
2389
2189
1989
1889
0 2,000 4,000 M eters
Scale 1 : 1 00000
0 2,000 4,000 M eters
Scale 1 : 1 00000
17 10 00
84 10 00
2250
84 14 00 84 18 00 84 22 00 84 26 00 84 30 00 84 34 00
17 06 0017 02 00
16 58 0016 54 00
16 50 0016 46 00
16 42 0016 38 00
16 34 0016 30 00
84 10 00 84 14 00 84 18 00 84 22 00 84 26 00 84 30 00 84 34 00
17 10 0017 06 00
17 02 0016 58 00
16 54 0016 50 00
16 46 0016 42 00
16 38 0016 34 00
16 30 00
Block Boundary
Seismic Lines
LEGEND
Block Boundary
Seismic Lines
LEGEND
3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN WELL KG-DWN-98/4-K-1
4. INTERPRETED PLAY TYPE
SECTION SHOWS A CONSPICUOUS ANTICLINAL HIGH, INVOLVING OLIGOCENE TO PLIOCENE SEQUENCES. BASAL PART OF THE OLIGOCENE SECTION PINCHES OUT TOWARDS NW, CREATING A PINCHOUT PROSPECT
2700
3000
3300
3600
3900
4200
4500
4800
5100
5400
5700
6000
6300
6600
6900
Depth(m)AGE LITHOLOGY DESCRIPTIONFORMATION REMARKS
W A
T E
RC
O L
U M
NM
I O
C E
N E
–P
L I O
C E
N E
OLIGOCENE
EOCENE
PALEOCENE
U P
P E
R
C R
E T
A C
E O
U S
LOWERCRETACEOUS
ARCHAEN
EQUIVALENT OF
RAGH AVAPUR AM SHALE
BASEMENT
EQUIVALENT
OF
CHINTAL APALI
SHALE
EQUIVALENT OF PAL AKOTTU SHAL E
EQUIVALENT OF
PASARL APUDI SHALE
EQUIVALENT OF MATSYAPURI
SHALE
EQUIVALENT
OF
GOD AVARI CL AY
AND
RAVAA
FORAMTION
SHALE
CLAYSTONE AND SANDSTONE
CLAYSTONE, SANDSTONE AND LIMESTONE
CLAYSTONE, SANDSTONE AND SILTSTONE
CLAYSTONE,
SANDSTONE
AND
SILTSTONE
CLAYSTONE, SANDSTONE AND SILTSTONE
BASEMENT
DD : 7081m
2700
3000
3300
3600
3900
4200
4500
4800
5100
5400
5700
6000
6300
6600
6900
Depth(m)AGE LITHOLOGY DESCRIPTIONFORMATION REMARKS
W A
T E
RC
O L
U M
NM
I O
C E
N E
–P
L I O
C E
N E
OLIGOCENE
EOCENE
PALEOCENE
U P
P E
R
C R
E T
A C
E O
U S
LOWERCRETACEOUS
ARCHAEN
EQUIVALENT OF
RAGH AVAPUR AM SHALE
BASEMENT
EQUIVALENT
OF
CHINTAL APALI
SHALE
EQUIVALENT OF PAL AKOTTU SHAL E
EQUIVALENT OF
PASARL APUDI SHALE
EQUIVALENT OF MATSYAPURI
SHALE
EQUIVALENT
OF
GOD AVARI CL AY
AND
RAVAA
FORAMTION
SHALE
CLAYSTONE AND SANDSTONE
CLAYSTONE, SANDSTONE AND LIMESTONE
CLAYSTONE, SANDSTONE AND SILTSTONE
CLAYSTONE,
SANDSTONE
AND
SILTSTONE
CLAYSTONE, SANDSTONE AND SILTSTONE
BASEMENT
DD : 7081m
2250 2500 2750 3000 3250 3500 3750 41271839
4750
5000
5250
5500
5750
6000
6250
6500
6750
7000
7250
4384
NW SELINE EC-95-241 F (MIG)
TWT
IN
MS
CDP
NEAR MIOCENE TOP
NEAR OLOGOCENE TOP
NEAR EOCENE TOP
NEAR UPPER CRETACEOUS TOP
NEAR PALEOCENE TOP
S T R U C T U R A L H I G H
PINCHOUT PROSPECT
S T R U C T U R A L H I G H
2250 2500 2750 3000 3250 3500 3750 41271839
4750
5000
5250
5500
5750
6000
6250
6500
6750
7000
7250
4384
NW SELINE EC-95-241 F (MIG)
TWT
IN
MS
CDP
NEAR MIOCENE TOP
NEAR OLOGOCENE TOP
NEAR EOCENE TOP
NEAR UPPER CRETACEOUS TOP
NEAR PALEOCENE TOP
S T R U C T U R A L H I G H
PINCHOUT PROSPECT
S T R U C T U R A L H I G H
BLOCK : KG-OSN-2005/1 1. BLOCK AREA : 2810 Sq. Km (approx.)
2. EXISTING DATA BASE
2.1 Seismic Data : 2D – 2650 LKM
2.2 OTHER SURVEYS : Gravity Magnetic Survey
2.3 WELL DATA
Number of Exploratory Well - 3
2002
3940
2202
2402
2602
2802
3002
3202
3402
3602
3802
1001
2360
1201
1401
1601
1801
2001
2201
1KB -9
0-07
2792
32923348
1KB-90
-01
11340
1184011891
1KB
-90-123300
3800
4300
4439
1KB-90
-13
4000
4500
5000
5500
6000
6023
1KB-90-14
3820
4320
4820
4940
1KB-90-16
10880
11295
1KB
-90-18
11441
11941
1KB
-90-24
11280
11780
11880 1KB-90-28
11100
11370
1KB-90-30
11400
11640
2KB-90-16
20200
20700
21200
2KB
-90-30
22020
22400
EC95-271-1
1280
780
280
15
KB-90-0
1
580
1080
1405
KB-90-0
7
1072
1572
2072
2572
2900
1KB -90
-11
910
1410
2410
2910
3178
KB-90- 12
1315
1815
2260
1KB90
-03
12135
12635
12950
KB-90 -14
0
500
929
KB-90-16
1480
1980
2200
KB-90 -18
980
1480
1980
2325
KB
-90-21
0
500
1000
1500
2000
2111
KB-90-23
0
500
1000
1500
1880
KB-90 -24
0
500
1400
KB-90- 26
1080
1580
2080
2400
KB-90 -28
0
500
1000
1200
KB-90-30
505
1005
KB-90 -32
0
500
1000
1500
1935
I8820
1B
2336
2836
3020
I8820
5A
1364
1864
1997
KB- 90- 092435
2935
3435
3935
4435
4935
5435
5561
KB- 90- 13
2394
2894
3394
3671
2KB90
-03
21065
21487
KB90-05
2446
2946
3446
3946
4335
3KB90
-03
31720
32220
32687
3KB90-11
30850
31059
I8820
1 2351
2042
2221
1721
1221
1001
I8820
5
101
601
1101
1410
I8820
9
131
631
1131
1390
I88248
1861
2162
I88248A
1876
1376
506
I88250A
357
857
1357
1857
2064
I88252
221
721
1221
1721
1975
I88254
1551
1880
I88254A
1566
1066
566
6664
I88256
101
601
1101
1601
1814
I88258
1041
541528
I88258A
707
207
-22
I88258B
1026
1526
1715I88260
101
601
1101
16011630
I88262101
601
1101
1488I88264 1
501
1001
1263
I88266
101
601
1101
1252
I88268
1128
628
128
-21
I88270
922
487
I88270A
592
92
-20
KB90-03
3600
4100
4198
KB93-09
151
651
1151
1247
KB
93-11
0
500
922
KB93-13
160
660
802
KB93-15
0
500
647
0 4,000 Me ters
Scale 1 : 1 00000
82 28 82 32 82 36 82 40 82 44 82 48 82 52 82 56 83 00 83 04 83 08 83 12 83 16 83 20
I8820
1A
876
21520
1505
1531
1000
12421
1910
82 28 82 32 82 36 82 40 82 44 82 48 82 52 82 56 83 00 83 04 83 08 83 12 83 16 83 20
LEGEND
1728
1724
1720
1716
1712
1708
1704
1700
1656
1652
1648
1644Block Boundary
Seismic Lines
1728
1724
1720
1716
1712
1708
1704
1700
1656
1652
1648
1644
2002
3940
2202
2402
2602
2802
3002
3202
3402
3602
3802
1001
2360
1201
1401
1601
1801
2001
2201
1KB -9
0-07
2792
32923348
1KB-90
-01
11340
1184011891
1KB
-90-123300
3800
4300
4439
1KB-90
-13
4000
4500
5000
5500
6000
6023
1KB-90-14
3820
4320
4820
4940
1KB-90-16
10880
11295
1KB
-90-18
11441
11941
1KB
-90-24
11280
11780
11880 1KB-90-28
11100
11370
1KB-90-30
11400
11640
2KB-90-16
20200
20700
21200
2KB
-90-30
22020
22400
EC95-271-1
1280
780
280
15
KB-90-0
1
580
1080
1405
KB-90-0
7
1072
1572
2072
2572
2900
1KB -90
-11
910
1410
2410
2910
3178
KB-90- 12
1315
1815
2260
1KB90
-03
12135
12635
12950
KB-90 -14
0
500
929
KB-90-16
1480
1980
2200
KB-90 -18
980
1480
1980
2325
KB
-90-21
0
500
1000
1500
2000
2111
KB-90-23
0
500
1000
1500
1880
KB-90 -24
0
500
1400
KB-90- 26
1080
1580
2080
2400
KB-90 -28
0
500
1000
1200
KB-90-30
505
1005
KB-90 -32
0
500
1000
1500
1935
I8820
1B
2336
2836
3020
I8820
5A
1364
1864
1997
KB- 90- 092435
2935
3435
3935
4435
4935
5435
5561
KB- 90- 13
2394
2894
3394
3671
2KB90
-03
21065
21487
KB90-05
2446
2946
3446
3946
4335
3KB90
-03
31720
32220
32687
3KB90-11
30850
31059
I8820
1 2351
2042
2221
1721
1221
1001
I8820
5
101
601
1101
1410
I8820
9
131
631
1131
1390
I88248
1861
2162
I88248A
1876
1376
506
I88250A
357
857
1357
1857
2064
I88252
221
721
1221
1721
1975
I88254
1551
1880
I88254A
1566
1066
566
6664
I88256
101
601
1101
1601
1814
I88258
1041
541528
I88258A
707
207
-22
I88258B
1026
1526
1715I88260
101
601
1101
16011630
I88262101
601
1101
1488I88264 1
501
1001
1263
I88266
101
601
1101
1252
I88268
1128
628
128
-21
I88270
922
487
I88270A
592
92
-20
KB90-03
3600
4100
4198
KB93-09
151
651
1151
1247
KB
93-11
0
500
922
KB93-13
160
660
802
KB93-15
0
500
647
0 4,000 Me ters
Scale 1 : 1 00000
0 4,000 Me ters
Scale 1 : 1 00000
82 28 82 32 82 36 82 40 82 44 82 48 82 52 82 56 83 00 83 04 83 08 83 12 83 16 83 2082 28 82 32 82 36 82 40 82 44 82 48 82 52 82 56 83 00 83 04 83 08 83 12 83 16 83 20
I8820
1A
876
21520
1505
1531
1000
12421
1910
82 28 82 32 82 36 82 40 82 44 82 48 82 52 82 56 83 00 83 04 83 08 83 12 83 16 83 2082 28 82 32 82 36 82 40 82 44 82 48 82 52 82 56 83 00 83 04 83 08 83 12 83 16 83 20
LEGEND
1728
1724
1720
1716
1712
1708
1704
1700
1656
1652
1648
1644
1728
1724
1720
1716
1712
1708
1704
1700
1656
1652
1648
1644Block Boundary
Seismic Lines
1728
1724
1720
1716
1712
1708
1704
1700
1656
1652
1648
1644
1728
1724
1720
1716
1712
1708
1704
1700
1656
1652
1648
1644
3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN WELL KG-20-A2
4. INTERPRETED PLAY TYPE
A PROMINENT STRUCTURAL HIGH WITH AMPLITUDE OF ABOUT 75 M IS OBSERVED WITHIN UPPER JURASSIC SECTION. STRATIGRAPHIC WEDGEOUTS ARE ALSO OBSERVED AT FLANKS OF BASEMENT HIGH TOWARDS NW. HORIZON MARKING BASEMENT TOP IS TENTATIVE
AGE DEPTH LITHOLOGY DESCRIPTION ENVIRONMENT
M. Jurassic
U. Jurassic –
Lr. Cretaceous
Lr. Cretaceous
U. Cretaceous
Paleocene 600
1000
1400
1800
2200
2600
3000
3400
3600
Claystone with interbedded sandstone
Claystone
Sandstone with interbedded claystone
Sandstone
Claystone
Claystone with thin limestones
Claystone
Claystone with thin limestones
Interbedded sandstone, claystone & siltstone
Claystone with thin interbeddedsandstone
Interbedded claystone & sandstone
Claystone
Interbedded sandstone & claystone
Continental deposits
Mid. – Lr. Bathyal
Middle Bathyal
Marine Up. Bathyal
Shelf sediments
~~~~~~~~~~~~
D.D.-4270 m.
AGE DEPTH LITHOLOGY DESCRIPTION ENVIRONMENT
M. Jurassic
U. Jurassic –
Lr. Cretaceous
Lr. Cretaceous
U. Cretaceous
Paleocene 600
1000
1400
1800
2200
2600
3000
3400
3600
Claystone with interbedded sandstone
Claystone
Sandstone with interbedded claystone
Sandstone
Claystone
Claystone with thin limestones
Claystone
Claystone with thin limestones
Interbedded sandstone, claystone & siltstone
Claystone with thin interbeddedsandstone
Interbedded claystone & sandstone
Claystone
Interbedded sandstone & claystone
Continental deposits
Mid. – Lr. Bathyal
Middle Bathyal
Marine Up. Bathyal
Shelf sediments
~~~~~~~~~~~~~~~~~~~~~~~~
D.D.-4270 m.
130014001566 11001200 9001000 700800 600 500 400 271
500
1000
1500
2000
2500
3000
3500
4000
0
NW SELINE I88260 (MIG)
TWT
IN
MS
NEAR UPPER CRETACEOUS TOP
CDP
NEAR LOWER CRETACEOUS TOP
NEAR UPPER JURASSIC TOP
BASEMENT TOP
H I G H
130014001566 11001200 9001000 700800 600 500 400 271
500
1000
1500
2000
2500
3000
3500
4000
0
NW SELINE I88260 (MIG)
TWT
IN
MS
NEAR UPPER CRETACEOUS TOP
CDP
NEAR LOWER CRETACEOUS TOP
NEAR UPPER JURASSIC TOP
BASEMENT TOP
H I G H
BLOCK : KG-OSN-2005/2 1. BLOCK AREA : 1881 Sq. Km (approx.)
2. EXISTING DATA BASE
2.1 Seismic Data : 2D – 1650 LKM
2.2 OTHER SURVEYS : Gravity Magnetic Survey
2.3 WELL DATA
Number of Exploratory Well - 1
1KB-90
-07
2792
3292
3792
4292
4792
5292
5750
1KB-90-38
11600
1210012155
1KB-90-46
10200
10700
10985 2KB90-11
3600
4100
4600
4952
4KB90-03
43880
44380
44880
45344
I8820
1B
3005
3505
4005
4448
I88205A1807
2307
2807
3199
I88232
440
940
1440
19401944I88234
349
849
1349
1849
1976I88236
1571
1964I88236A
1586
1086
586
402
I88238
489
989
1489
19892012
I88240
1801
2087
I88240A
1816
1316
816
501
I88242
610
1110
1610
21102170
I88244A1916
1416
916
539
I88248
1861
2162
I88248A
1876
1376
876
506
KB-90-09
650
1150
1650
2150
2630
KB-90-13
600
1100
1600
2100
2575
KB-90-34
0
500
1000
1360
KB-90 -36
340
840
1340
1840
2340
2400
KB-90-38
0
500
1000
1500
1733
KB-90-40
560
1060
1560
2060
2400
KB-90-42
0
500
1000
1500
2000
2225
KB-90-44
340
840
1340
1840
2340
2389
KB90-05
776
1276
1776
2276
2692
1KB90-0
3
11757
1225712355
2KB-90-46
20884
21384
21825
1KB90-11
3087
3566
KB-4#1B
0 2 ,000 4,000 Meter s
Scale 1 : 100000
1740
83 00 83 04 83 08 83 12 83 16 83 20 83 24 83 28 83 32 83 36
1736
1732
1728
1724
1720
1716
1712
1708
1704
1700
1656
1740
1736
1732
1728
1724
1720
1716
1712
1708
1704
1700
1656 83 00 83 04 83 08 83 12 83 16 83 20 83 24 83 28 83 32 83 36
Block Boundary
Seismic Lines
LEGEND
1KB-90
-07
2792
3292
3792
4292
4792
5292
5750
1KB-90-38
11600
1210012155
1KB-90-46
10200
10700
10985 2KB90-11
3600
4100
4600
4952
4KB90-03
43880
44380
44880
45344
I8820
1B
3005
3505
4005
4448
I88205A1807
2307
2807
3199
I88232
440
940
1440
19401944I88234
349
849
1349
1849
1976I88236
1571
1964I88236A
1586
1086
586
402
I88238
489
989
1489
19892012
I88240
1801
2087
I88240A
1816
1316
816
501
I88242
610
1110
1610
21102170
I88244A1916
1416
916
539
I88248
1861
2162
I88248A
1876
1376
876
506
KB-90-09
650
1150
1650
2150
2630
KB-90-13
600
1100
1600
2100
2575
KB-90-34
0
500
1000
1360
KB-90 -36
340
840
1340
1840
2340
2400
KB-90-38
0
500
1000
1500
1733
KB-90-40
560
1060
1560
2060
2400
KB-90-42
0
500
1000
1500
2000
2225
KB-90-44
340
840
1340
1840
2340
2389
KB90-05
776
1276
1776
2276
2692
1KB90-0
3
11757
1225712355
2KB-90-46
20884
21384
21825
1KB90-11
3087
3566
KB-4#1B
0 2 ,000 4,000 Meter s
Scale 1 : 1000000 2 ,000 4,000 Meter s
Scale 1 : 100000
1740
83 00 83 04 83 08 83 12 83 16 83 20 83 24 83 28 83 32 83 36
1736
1732
1728
1724
1720
1716
1712
1708
1704
1700
1656
1740
1736
1732
1728
1724
1720
1716
1712
1708
1704
1700
1656 83 00 83 04 83 08 83 12 83 16 83 20 83 24 83 28 83 32 83 36
Block Boundary
Seismic Lines
LEGEND
3. STRATIGRAPHIC SEQUENCE ENCOUNTERED IN WELL KG-4-1B
DESCRIPTIONAGE
DD 3400m
SAMPLE NOT COLLECTED
LITHO-LOGY
P L
I
O C
E N
ET
OY
O U
N G
E R
DEPTH(mts)
300
600
900
1200
1500
1800
2100
2400
2700
3000
3300
CLAY / CLAYSTONE WITH SAND / SANDSTONE AND LIMESTONE
SAND / SANDSTONE WITH CLAYSTONE AND MINOR COAL
CLAYSTONE / SHALE AND SANDSTONE WITH MINOR SILTSTONE
SANDSTONE AND SHALE WITH MINOR COAL
DOMINANTLY SAND / SANDSTONE AND SHALE / CLAYSTONE WITH MINOR SILTSTONE AND COAL
UPPERCRETACE-
OUS
L O
W E
R
C R
E T
A C
E O
U S
UPP
ER
JUR
ASSI
C TO
LO
WER
CR
ETA-
CEO
US
P E
R M
O -
T R
I A
S S
I C
SEA BED
DESCRIPTIONAGE
DD 3400m
SAMPLE NOT COLLECTED
LITHO-LOGY
P L
I
O C
E N
ET
OY
O U
N G
E R
DEPTH(mts)
300
600
900
1200
1500
1800
2100
2400
2700
3000
3300
DEPTH(mts)
300
600
900
1200
1500
1800
2100
2400
2700
3000
3300
CLAY / CLAYSTONE WITH SAND / SANDSTONE AND LIMESTONE
SAND / SANDSTONE WITH CLAYSTONE AND MINOR COAL
CLAYSTONE / SHALE AND SANDSTONE WITH MINOR SILTSTONE
SANDSTONE AND SHALE WITH MINOR COAL
DOMINANTLY SAND / SANDSTONE AND SHALE / CLAYSTONE WITH MINOR SILTSTONE AND COAL
UPPERCRETACE-
OUS
L O
W E
R
C R
E T
A C
E O
U S
UPP
ER
JUR
ASSI
C TO
LO
WER
CR
ETA-
CEO
US
P E
R M
O -
T R
I A
S S
I C
SEA BED
4. INTERPRETED PLAY TYPE
SECTION SHOWS THINNING OF MESOZOIC SEQUENCES TOWARDS NE. FAULT BOUNDED STRUCTURAL FEATURES ARE OBSERVED IN THE JURASSIC SECTION). WELL KB-4-1B APPEARS TO HAVE BEEN DRILLED ON A STRUCTURAL SALIENT.
3200 3400 3600 3800 4000 4200 4400 4600 4800 5000 520029020
500
1000
1500
2000
2500
3000
SW NELINE KB-90-07 (MIG)
TWT
IN
MS
CDP
NEAR UPPER CRETACEOUS TOP
NEAR LOWER CRETACEOUS TOP
UPPER JURASSIC TOP
BASEMENT TOP
KB-4-1B3200 3400 3600 3800 4000 4200 4400 4600 4800 5000 52002902
0
500
1000
1500
2000
2500
3000
SW NELINE KB-90-07 (MIG)
TWT
IN
MS
CDP
NEAR UPPER CRETACEOUS TOP
NEAR LOWER CRETACEOUS TOP
UPPER JURASSIC TOP
BASEMENT TOP
KB-4-1B
BLOCK : KG-OSN-2005/3 1. BLOCK AREA : 1697 Sq. Km (approx.)
2. EXISTING DATA BASE
2.1 Seismic Data : 2D – 1550 LKM
2.2 OTHER SURVEYS : Gravity Magnetic Survey
2.3 WELL DATA
Number of Exploratory Well - Nill
6460
6960
7460
7960
8217
I88-203E
5760
6260
6760
7199
I88-206
640
1140
1482
1140
1640
1828
1180
1680
1826
I88-210
760
1260
1760
1824
I88-208
1300
1793
I88-204
1060
1560
2000
1
501
675
NKGS-12647
2520
3020
3120
NKGS-10648
1900
2400
2900
3040
NKGS-06649
1500
2000
2500
3000
3080
NKGS-04650
1000
1500
2000
2500
30003040
NKGS-08651
1500
2000
2500
3000
3120
NKGS-02652
1500
2 000
2 500
3000
2440
1940
1440
945 1064
1564
2064
2362
NKGS- 53666
2339
1839
1339
992
NKGS- 57667
1118
1618
2118
2324
NKGS-61668
2289
1789
1289
10771140
1640
2140
2221
1139
1639
2095
2048
1548
1048
985
1080
1580
2080
2112
NKGS-63674
2229
1729
1229
1073
1138
1638
2138
2239
NKGS-55676
2263
1763
1263
995
1059
1559
2059
2301
2366
1866
1366
985
939
1439
1939
2344
0 4,000 Meters
Scale 1 : 100000
1816
83 42 83 46 83 50 83 54 83 58 84 02 84 06 84 10 84 14 84 18
I88-214NKGS-43679
NKGS-45664I88-212A
NKGS-47678NKGS-49665
NKGS-51677
I88-202NKGS-71672
NKGS-73671
NKGS-67673
NKGS-59675
800
680
640
1400
1000
1000
1000
NKGS-65669
I88-201E
1812
1808
1804
1800
1756
1752
1748
83 42 83 46 83 50 83 54 83 58 84 02 84 06 84 10 84 14 84 18
1816
1812
1808
1804
1800
1756
1752
1748
Block Boundary
Seismic Lines
LEGEND
6460
6960
7460
7960
8217
I88-203E
5760
6260
6760
7199
I88-206
640
1140
1482
1140
1640
1828
1180
1680
1826
I88-210
760
1260
1760
1824
I88-208
1300
1793
I88-204
1060
1560
2000
1
501
675
NKGS-12647
2520
3020
3120
NKGS-10648
1900
2400
2900
3040
NKGS-06649
1500
2000
2500
3000
3080
NKGS-04650
1000
1500
2000
2500
30003040
NKGS-08651
1500
2000
2500
3000
3120
NKGS-02652
1500
2 000
2 500
3000
2440
1940
1440
945 1064
1564
2064
2362
NKGS- 53666
2339
1839
1339
992
NKGS- 57667
1118
1618
2118
2324
NKGS-61668
2289
1789
1289
10771140
1640
2140
2221
1139
1639
2095
2048
1548
1048
985
1080
1580
2080
2112
NKGS-63674
2229
1729
1229
1073
1138
1638
2138
2239
NKGS-55676
2263
1763
1263
995
1059
1559
2059
2301
2366
1866
1366
985
939
1439
1939
2344
0 4,000 Meters
Scale 1 : 1000000 4,000 Meters
Scale 1 : 100000
1816
83 42 83 46 83 50 83 54 83 58 84 02 84 06 84 10 84 14 84 18
I88-214NKGS-43679
NKGS-45664I88-212A
NKGS-47678NKGS-49665
NKGS-51677
I88-202NKGS-71672
NKGS-73671
NKGS-67673
NKGS-59675
800
680
640
1400
1000
1000
1000
NKGS-65669
I88-201E
1812
1808
1804
1800
1756
1752
1748
83 42 83 46 83 50 83 54 83 58 84 02 84 06 84 10 84 14 84 18
1816
1812
1808
1804
1800
1756
1752
1748
Block Boundary
Seismic Lines
LEGEND
3. INTERPRETED PLAY TYPE
FAULT BOUNDED STRUCTURAL FEATURES (POSSIBLY FAULT CLOSURES) ARE OBSERVED WITHIN THE CRETACEOUS SECTION
1400 1500 1600 1700 1800 1900 2000 2100 2234 2236 232412361234
250
500
750
1000
1250
1500
1750
2000
2250
2500
2750
3072
0
NW SELINE NKGS-57667 (MIG)
TWT
IN
MS
SP
NEAR UPPER CRETACEOUS TOP
WITHIN CRETACEOUS
NEAR BASEMENT TOP
1400 1500 1600 1700 1800 1900 2000 2100 2234 2236 232412361234
250
500
750
1000
1250
1500
1750
2000
2250
2500
2750
3072
0
NW SELINE NKGS-57667 (MIG)
TWT
IN
MS
SP
NEAR UPPER CRETACEOUS TOP
WITHIN CRETACEOUS
NEAR BASEMENT TOP