2015 ANNUAL REPORT: A DECADE OF DISCOVERY
—7—
44
11
13 12 14
10
15
Entered into long-
term rig contracts for
Ocean Confidence
in Angola and Ensco
8503 in deepwater
Gulf of Mexico
Commenced drilling
Cameia deepwater
pre-salt well in
Block 21/09;
Signed Production
Sharing Contract for
Block 20/11
Lontra pre-salt
discovery (Block
20/11); Mavinga
pre-salt discovery
(Block 21/09);
First pre-salt
discovery in Gabon
with Diaman 1B
(Diaba Block)
North Platte Inboard
Lower Tertiary
discovery (GB 959)
Established new
deepwater Gulf of
Mexico play and
acquired 44 Gulf of
Mexico lease
blocks at OCS
Lease Sale
Announced sale
of Cobalt’s Angola
assets to Sonangol
Signed Risk Services
Agreements for
Blocks 9/09 & 21/09
Drilled successful
Heidelberg appraisal
well (GC 903)
Sanctioned
Heidelberg and
booked Cobalt’s first
proved reserves;
Drilled successful
Shenandoah-2
appraisal well
(WR 51)
Cameia pre-salt
discovery (Block
21/09); Drilled
successful Cameia
appraisal well
First pre-salt syn-rift
discovery at Bicuar
(Block 21/09); Orca
pre-salt discovery
(Block 20/11)
Successful
appraisal drilling at
North Platte with
Rowan Reliance
drillship; Successful
appraisal drilling at
Shenandoah and
Anchor
Block 20
Block 21
Block 9
Cobalt
Licenses
Cameia-3
Cameia-5
Cameia-4
Cameia-2
Cameia-1
0
50
25
Kilometers
Kilometers
50
25
0
