Well Stratigraphy
Well Registration Number
21/15b- 4A
Interpretation
Composite
Date Coded
25/10/1989
Depth Units
Feet
Datum
KB
Datum Elevation
85.00
Loggers TD
0.00
TWT Scale
Thickness Type
Comment
Litho Stratigraphy
Chronostraigraphy
Lithology Components
Top Down Hole Depth
Top Vertical Depth (MSL)
Top TWT (msec)
Thickness
Upper Litho
Lower Litho
Upper Chrono
Lower Chrono
1
%
2
%
3
%
4
%
Cored
Nature Of Top
Hydro carbon Present
Notes
470.0
0.00
0.00
1830
*
*
*
0
*
0
N
SEA BED
2300.0
0.00
0.00
990
NORD
NORD
NU
0
NU
0
CLST
95.00
DOLO
5.00
N
FIRST RETURNS
3290.0
0.00
0.00
210
NORD
NORD
NL
0
NL
0
CLST
95.00
DOLO
5.00
N
3500.0
0.00
0.00
467
NORD
NORD
NA
0
NA
0
CLST
95.00
DOLO
5.00
N
3967.0
0.00
0.00
13
HORD
HORD
NA
0
NA
0
CLST
100.00
N
3980.0
0.00
0.00
720
HORD
HORD
NB
0
NC
0
CLST
97.00
DOLO
3.00
N
4700.0
0.00
0.00
270
HORD
HORD
NC
0
NC
0
CLST
95.00
DOLO
5.00
N
4970.0
0.00
0.00
510
HORD
HORD
GU
0
GU
0
CLST
90.00
DOLO
10.00
N
5480.0
0.00
0.00
990
HORD
HORD
GV
0
GW
0
CLST
90.00
DOLO
10.00
N
6470.0
0.00
0.00
180
HORD
HORD
GL
0
GL
0
CLST
80.00
DOLO
20.00
N
6650.0
0.00
0.00
330
HORD
HORD
GL
0
GL
0
CLST
90.00
DOLO
10.00
N
6980.0
0.00
0.00
270
HORD
HORD
GY
0
GY
0
CLST
90.00
DOLO
10.00
N
7250.0
0.00
0.00
141
BALD
BALD
GE
0
GC
0
CLST
70.00
TUFF
25.00
LMST
5.00
N
7391.0
0.00
0.00
159
SELE
SELE
GE
0
GC
0
CLST
70.00
TUFF
15.00
SDST
10.00
LMST
5.00
N
7550.0
0.00
0.00
17
SELE
SELE
GC
0
GC
0
CLST
100.00
N
7567.0
0.00
0.00
884
FORT
FORT
GC
0
GC
0
SDST
55.00
CLST
40.00
LMST
5.00
N
OS
8451.0
0.00
0.00
82
ANDR
ANDR
GC
0
GC
0
SDST
90.00
CLST
10.00
N
8533.0
0.00
0.00
410
MAUR
MAUR
GC
0
GC
0
CLST
90.00
SDST
5.00
LMST
5.00
N
8943.0
0.00
0.00
137
EKOF
EKOF
GC
0
GC
0
CHLK
100.00
N
9080.0
0.00
0.00
270
EKOF
EKOF
GD
0
GD
0
CHLK
100.00
N
9350.0
0.00
0.00
30
EKOF
EKOF
KM
0
KM
0
CHLK
100.00
N
9380.0
0.00
0.00
570
TORF
TORF
KM
0
KM
0
CHLK
100.00
N
9950.0
0.00
0.00
60
FLND
FLND
KM
0
KM
0
CHLK
100.00
N
10010.0
0.00
0.00
690
FLND
FLND
KC
0
KC
0
CLCL
90.00
CHLK
10.00
N
10700.0
0.00
0.00
550
FLND
FLND
KS
0
KO
0
CLCL
90.00
CHLK
10.00
N
11250.0
0.00
0.00
29
FLND
FLND
KO
0
KT
0
CLCL
90.00
CHLK
10.00
N
11279.0
0.00
0.00
153
HERR
HERR
KO
0
KT
0
CHLK
100.00
N
11432.0
0.00
0.00
10
PLNM
PLNM
KO
0
KT
0
CLST
100.00
N
11442.0
0.00
0.00
188
HIDR
HIDR
KO
0
KT
0
CLCL
60.00
CHLK
40.00
N
11630.0
0.00
0.00
90
HIDR
HIDR
KE
0
KE
0
CLST
100.00
N
11720.0
0.00
0.00
12
HIDR
HIDR
KE
0
KA
0
CLST
100.00
N
11732.0
0.00
0.00
28
VALH
VALH
KE
0
KA
0
CLST
100.00
N
11760.0
0.00
0.00
120
VALH
VALH
KA
0
KA
0
CLST
90.00
CHLK
10.00
N
11880.0
0.00
0.00
90
VALH
VALH
KA
0
KP
0
CLST
100.00
N
11970.0
0.00
0.00
30
VALH
VALH
KP
0
KP
0
CLST
100.00
N
12000.0
0.00
0.00
90
VALH
VALH
KP
0
KB
0
CLST
80.00
COAL
10.00
LMST
10.00
N
12090.0
0.00
0.00
150
VALH
VALH
KB
0
KB
0
CLST
90.00
LMST
10.00
N
12240.0
0.00
0.00
100
VALH
VALH
KB
0
KH
0
CLST
90.00
LMST
10.00
N
12340.0
0.00
0.00
210
VALH
VALH
KH
0
KH
0
CLST
90.00
LMST
10.00
N
12550.0
0.00
0.00
60
VALH
VALH
KH
0
KH
0
CLST
100.00
N
12610.0
0.00
0.00
50
VALH
VALH
KH
0
KH
0
CLST
80.00
LMST
20.00
N
12660.0
0.00
0.00
7
VALH
VALH
KZ
0
KZ
0
CLST
100.00
N
12667.0
0.00
0.00
23
KIMM
KIMM
KZ
0
KZ
0
CLST
100.00
N
12690.0
0.00
0.00
46
KIMM
KIMM
JN
0
JN
0
CLST
100.00
N
12736.0
0.00
0.00
156
PISA
PISA
JN
0
JN
0
SDST
100.00
N
12892.0
0.00
0.00
8
PENT
PENT
JN
0
JN
0
COAL
75.00
SDST
25.00
N
12900.0
0.00
0.00
20
PENT
PENT
JB
0
JB
0
SLST
100.00
N
12920.0
0.00
0.00
10
PENT
PENT
PU
0
PU
0
SLST
100.00
N
12930.0
0.00
0.00
30
ZECH
ZECH
PU
0
PU
0
ANHY
100.00
N
12960.0
0.00
0.00
0
ZECH
ZECH
*
0
*
0
N
TD DRILLER