1 Contents 1. Colombia 2. Industry background 3. Open Round Colombia 2010 4. Legal aspects and Contracts 5. Communities and environmental priorities 6. Technical aspects • Introduction • General vision of the hydrocarbons potential in Colombia • Technical aspects of the areas on offer
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1
Contents
1. Colombia
2. Industry background
3. Open Round Colombia 2010
4. Legal aspects and Contracts
5. Communities and environmental priorities
6. Technical aspects
• Introduction• General vision of the hydrocarbons potential in
Reverse and normal fault trapsFlower structuresTectonic wedges
GuajiraRegional structural style
61
GuajiraExamples of play types
Positive structures related toplanar normal faults
Combined structural - stratigraphic trap
Onlapping over basement
62
Cesar - Ranchería
OPEN ROUND 2010 BLOCKS
Type 1: 1 Block135 Km2
Type 3: 3 Blocks9,591 Km2
Location Map
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Cesar - RancheríaGas field
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Cesar - RancheríaInfrastructure
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Cesar - RancheríaPetroleum geology
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Traps within Cesar – Ranchería basin:
Thrust faultsRegional unconformities at the base of the Cretaceous and the Cenozoic
Cesar - RancheríaRegional structural style
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Sinú – San Jacinto – Lower Magdalena Valley (LMV)
Location Map
OPEN ROUND 2010 BLOCKS
Onshore
Type 1: 2 Blocks293 Km2
Type 2: 11 Blocks27,874 Km2
Type 3: 4 Blocks12,668 Km2
Offshore
Type 2: 2 Blocks
1,452 Km2
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Sinú – San Jacinto – LMVOil & gas fields
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Sinú – San Jacinto – LMVInfrastructure
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Sinú – San Jacinto – LMVPetroleum geology
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SinúStructural style and play types
A) Traps flanking mud diapirs
B) Traps related to reverse faults (NW) and mud diapirs (SE)
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San JacintoStructural style and play types
A) Folds related to west-verging reverse faults
B) Stratigraphic traps associated to regional unconformities
73
Lower Magdalena ValleyStructural style and play types
Trap Types within Lower Magdalena Valley:
1. Anticlines related to reverse faults. 2. Extensional and compressive fault traps.3. Onlapping over basement. 4. Basement highs.
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Los Cayos
OPEN ROUND 2010 BLOCKS
Type 2: 2 Blocks20,899 Km2
Type 3: 12 Blocks142,580 Km2
Location Map
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Los CayosRegional tectonic setting
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Los CayosPetroleum geology
Reservoir Rock Source Rock
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Los CayosPlay types
Stratigraphic trapsPrograding sequences
Structural trapsGentle anticlines related to transpressive faults
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Urabá
Location Map
OPEN ROUND 2010 BLOCKS
Type 2: 1 Block2,206 Km2
Type 3: 1 Block4,441 Km2
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Pozo Apartado-1Pozo Chigorodo-1
Exploration wells penetrate numerous potential sandstone reservoirs throughout the thick upper Miocene-Pliocene basin fill. Intercalated shales may be effective intraformational seals.
Trap styles include: structural-stratigraphic traps tied to known normal and reverse faults cutting the basin, and to stratigraphic pinchouts on basement in the southeast part of the basin.
Biogenic gas is a strong possibility in this thick deltaic sedimentary section.
UrabáPetroleum geology
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UrabáStructural style & play types
A) Pinch-outs and possible coral reefs against basement highs.
B) Syndepositional growth folds related to reverse faults.
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Chocó
Location Map
OPEN ROUND 2010 BLOCKS
Onshore
Type 2: 6 Blocks18,690 Km2
Type 3: 3 Blocks16,783 Km2
Offshore
Type 3: 4 Blocks38,210 Km2
82
ChocóOil seeps & wells
Location of Oil seeps and drilled wells along the
Chocó basin
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ChocóStructural provinces
Basement depth contour map with
the location of Atrato and San Juan
sub-basins and Istmina Arch.
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ChocóPetroleum geology
85
ChocóRegional structural style
Transversal section of the Atrato sub-basin (6° N)
Longitudinal section of the San Juan Delta
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ChocóExamples of play types
A) Positive structures related to inversion tectonics (Nóvita graben)
B) Roll-over anticline C) Stratigraphic traps – pinch-out and onlap over the basement
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Tumaco
Location Map
OPEN ROUND 2010 BLOCKS
Onshore
Type 3: 3 Blocks17,443 Km2
Offshore
Type 2: 3 Blocks7,771 Km2
Type 3: 2 Blocks17,729 Km2
88
TumacoRegional structural style
Traps within Tumaco basin:
Anticlines associated to mud diapirsRoll-over folds related to normal faults.Fault-propagation foldsThrust related anticlinesStratigraphic traps
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TumacoExamples of play types
B) Fault-propagation folds related to high angle reverse faults
A) Onlapping over the basement and roll-over folds associated to normal faults