Century Exploration (UK) Limited.Charbella Energy LimitedElixir Petroleum Limited

Granby Enterprises Limited

Relinquishment report forUKCS 21st Round Licence P1105

(Block 21/6b)

Figures

15th September 2006

Figure 1. 21/6b Palaeocene Stratigraphy

Sequences

T20

T32

T31

T35

T34T33

= significant gamma log peaks

T40

T45T50

Glamis / Andrew Tuff

Sequence scheme after BP with modifications

Modified after Ahmadi et al (2003)

21/6a-3

Top Tor formation

Approx location of

21/6b-6

1063 1147.39

10631151.49

T501063 1147.39

10631151.49

2145

2246.86

T50, Balder Fm1147.39 36101151.49 3621

T50, Balder Fm3610 13303621

1342

Andrew Sandstone

Glamis Member (Andrew Tuff)

Andrew Sandstone

Lower Balmoral Sandstone

Upper Balmoral Sandstone

Balder Fm Balder Fm Balder Fm

21/ 06- 2Scale : 1:2000

De

pth

1050

1100

1150

1200

1250

1300

1350

1400

1450

1500

1550

1600

1650

1700

1750

1800

1850

1900

1950

2000

2050

2100

2150

TM

D :

31

99

.94

mGR

0 120API

Lit

ho

log

y(G

en

era

lis

ed

)

DT140 40µs/ft

21/ 06a- 3Scale : 1:2000

De

pth

1150

1200

1250

1300

1350

1400

1450

1500

1550

1600

1650

1700

1750

1800

1850

1900

1950

2000

2050

2100

2150

2200

2250

TM

D :

31

89

.58

m

GR0 120API

Lit

ho

log

y(G

en

era

lis

ed

)

DT140 40µs/ft

21/ 06b- 4Scale : 1:2000

De

pth

1350

1400

1450

1500

1550

1600

1650

1700

1750

1800

1850

1900

1950

2000

2050

2100

2150

2200

TM

D :

33

72

.92

m

GR0 120API

Lit

ho

log

y(G

en

era

lis

ed

)

DT140 40µs/ftS

eq

uen

ce

T50

T45

T40

T35

T34

T33

T3

2-T

31

T20

21/ 06b- 6Scale : 1:2000

Dep

th

1100

1150

1200

1250

1300

1350

1400

1450

1500

1550

1600

1650

1700

1750

1800

1850

1900

1950

DTP1140 40ms/ft

Corrected gamma0 100GAPI

LithologyFo

rmat

ion

Do

rno

ch

Fm

Lis

ta F

mM

au

reen

Fm

Tor

Fm

Me

mb

er

Up

per

Balm

ora

lS

an

dsto

ne

Lo

wer

Balm

ora

l S

an

dsto

ne

Gla

mis

Mem

ber

(A

nd

rew

Tu

ff)

An

dre

w S

an

dsto

ne M

em

ber

Fo

rmat

ion

Balder Fm

Do

rno

ch

Fm

Lis

ta F

mM

au

reen

Fm

EkofiskFm

Tor

Fm

Me

mb

er

UpperBalmoral

Sandstone

Lo

wer

Balm

ora

lS

an

dsto

ne

Gla

mis

Mem

ber

(Andre

w T

uff

)

An

dre

w S

an

dsto

ne

Mem

ber

20/ 05d- 7

20/ 09- 3 20/ 10- 1

20/ 10- 2

20/ 10a- 3ST

20/ 10b- 420/ 10b- 5

21/ 06- 2

21/ 06a- 3

21/ 06b- 421/ 06b- 5

21/ 06b- 6

21/ 07- 1

0 1000 2000 3000 4000 5000

metres

1063 1147.39

10631151.49

1063 1147.39

10631151.49

Tor Fm2145

2246.86

1147.39 36101151.49 3621

3610 13303621

1342

T32

T45

T33

T32

Maureen Fm, T20

T45

T34Lista Fm, T35Lista Fm, T35

T40

Figure 2. northwest – southeast well correlation for the Palaeocene

Oil in Balder T50

Horizons

Oil shows

Channel

21/6a-321/6-220/10-1

20/10-1 21/6-2

21/6a-3

21/6b-4

21/6b-5

21/6-1

21/6-1 21/6a-3 21/6b-4 21/6b-5

Channel

Miocene

T50 Balder

T34

T35

Andrew Tuff

Tor

Base Chalk

KCF

Smith Bank

Figure 3. Regional seismic correlation with wells

21/6b-6

21/6b-6

NS

T34 Channel

TWT on top T34

Main graben fault

compaction faulting

N

NS

S

T 50

T 34

Maureen

Figure 4. T34 channel seismic character

Approx location of

21/6b-6

21/6b block boundary

20/5c-4

21/6-2

20/5d-7

21/6a-3

Timeslices showing the development of the channel (whitedashed arrow) from Block 20/5 (encountered by wells20/5c-4 and ?20/5d-7), through Block 20/10 into Block 21/6(encountered by 21/6b-6 but not 21/6-2, 21/6a-3 & 21/6b-4)

1432 mS

1480 mS

1624 mS

21/6b-4

Figure 5. T34 channel timeslice mapping

21/6b-6

contourinterval

10m

IsochorebetweenT34 and

Andrew Tuff

Depth map on top T34

Main T34 (LowerBalmoral) channel

Channel ‘tail’

Figure 6. Depth map on top T34 sequence (Lower Balmoral Sst)

T34 target

WN S

E

21/6b-6 drilling locationavoiding main graben faultTD at top Andrew Tuff

T34Depth

(ML case)

T34 target

Velocity pull-down?

Seismic amplitude anomalies

Gas cloud orprocessing effect?

Probable multiple effects

Figure 7. Marquis prospect drilling location

Figure 8. 21/6b-6 CPI for the Lower Palaeocene section

21/06b- 6

GR0 150 (GAPI)

GRC0 175 (API)

Dep

th (ft)

4900

4950

5000

5050

5100

5150

5200

5250

5300

5350

5400

5450

5500

5550

5600

5650

5700

5750

5800

5850

5900

5950

6000

6050

6100

R25A0.2 20 (ohmm)

R55A0.2 20 (ohmm)

R25P0.2 20 (ohmm)

R55P0.2 20 (ohmm)

DTP1240 40 (us/f)

swtotal0 1

swfree0 1 (frac)

PHISRH0.5 0 (frac)

PHIE0.5 0

SW*POR1 0

PHIE1 0

VSHGR0 1

T35

T34

T32

Upper Balmoral Sst Mbr

Andrew/Glamis Tuff

Base Balmoral Sst Mbr

Lower Balmoral Sst

Base Channel

Upper Balmoral Sst Mbr

Lower Balmoral Sst Mbr

Base T34 channel

Base Bamoral Sst Member

Top T32

Top Andrew/Glamis Tuff

Marquis Channel Target