Sergipe-Alagoas Basin
Elaine Loureiro
Geophysicist
Superintendency of Block Delimitation
Agenda
• Location and Characterization
• Infrastructure and Operacional Conditions
• Exploration Overview
• Tectonostratigraphic Evolution
• Petroleum Systems
• Plays
• Area on offer
• Final remarks
Agenda
• Location and Characterization
• Infrastructure and Operacional Conditions
• Exploration Overview
• Tectonostratigraphic Evolution
• Petroleum Systems
• Plays
• Area on offer
• Final remarks
Location and
Characterization
• Elongated in NE-SW direction
with 350 km in extension and 35
km of width onshore
PernambucoParaíba
Basin
• Total area: 44,370 Km²
Maceió
• Onshore area:12,620 km²
•The onshore portion is classified
as mature
Aracaju
Jacuípe
Basin
Sergipe-Alagoas
Basin
Location and
Characterization
Northern Boundary
Maragogi High
Pernambuco-Paraíba
Basin
Westhern
Basement
Distensional
Faults
Alagoas
Sub-Basin
Sergipe
Sub-basin
Southern
Estância
Platform and
Vaza-Barris
Faults
Jacuípe
Basin
Boundary between subbasins
Jaboatã-Penedo High
(onshore and
watershallow)
Location and
Characterization
25 Blocks
in Alagoas Sub-basin
Fazenda
Guindaste
Field
Pilar Field
Total Area: 733 km²
Legend
Capitals
State Limits
Sector
Round 11 Blocks
Sedimentary Basin
Basement
Location and
Characterization
Pernambuco
Alagoas
Recife
Maceió
SEAL T1
Sergipe
Aracaju
Legend
Sector T1
R11 Blocks
Sedimentary Basin
Cities
Production fields
The block are in 9
alagoans municipalities
Considering Maceió city, the
population is greater than 1
million of inhabitants
Agenda
• Location and Characterization
• Infrastructure and Operacional Conditions
• Exploration Overview
• Tectonostratigraphic Evolution
• Petroleum Systems
• Plays
• Area on offer
• Final remarks
Infrastructure
and Operacional

3 Refineries

3,821 km of pipelines
UPGN - Lubnor
Refinaria
Lubnor
UPGN - Guamaré I, II e III
Gasoduto GasforRPCC
CE

10 Natural Gas Processing
Unit (NGPU)

Processing capacity of
natural gas in the region:
18.5 million m³/day
RN
PB
Nordestão
PE
Gasalp
AL
Catu - Carmopólis
BA
SE
UPGN - Pilar
UPGN - Carmopólis
UPGN - Atalaia
Legenda
Refinaria
RLAM
UPGN’s – Bahia, Catu e Candeias
Capital
Refineries
NGPU
Pipelines
Source: Anuário Estatístico Brasileiro do Petróleo, Gás Natural e Biocombustíveis, 2012
Infrastructure
and Operacional
Gasalp
Legenda
Highways
Liquid Pipelines
R11 Blocks
Gas Pipelines
Airports
Capitals
NGPU
NGPU - Pilar
T1 Sector
Railways
Ports
Maceió
Catu - Carmopólis
UPGN
Aracaju
Porto de Maceió
Source:
http://www.portodemaceio.com.br
Agenda
• Location and Characterization
• Infrastructure e Operacional Conditions
• Exploration Overview
• Tectonostratigraphic Evolution
• Petroleum Systems
• Plays
• Area on offer
• Final remarks
Exploration Overview
Discovery of Carmopólis
Field (SE), with 1.7 Billion
bbl of oil in place
(onshore)
1935
1930
1957
1940
Geophysical surveys
well 2AL 0001 AL
(CNP)
1950
1960
1st commercial
discovery of oil
(1TM 0001 AL)
1963
1968
1970
Discovery of the
Guaricema Field (SE)
(offshore)
Exploration Overview
1980
1990
Petroleum Law and creation of ANP
Round 0
2000
R2 R4 R6
2008
2004
2005
1982
2002
1997
1998
2000
Discovery of Pilar Field (AL) with 230
millions bbl of oil in place onshore
2010
R7
R10
Available Data
Exploratory wells offshore
3D public seismic
2D public seismic
Exploratory wells onshore
 Alagoas Sub-basin
361 Exploration wells (332 onshore)
 Sergipe Sub-basin
762 Exploration wells (484 onshore)




38,715 km onshore 2D lines
55,107 km offshore 2D lines
1,155 km² onshore 3D surveys
8,278 km² offshore 3D surveys
Exploratories Wells
Wells in Sergipe Sub-basin
Wells in Alagoas Sub-basin
50
30
45
40
25
Number of wells
Number of wells
35
30
25
20
15
10
20
15
10
5
5
0
0
1956
1966
1976
1986
1996
2007
1940
1964
1974
1984
Year
Year
Onshore wells
Offshore wells
1995
2006
Production and
Development Fields
Alagoas Sub-basin
18 Fields in
Production/Development
17 onshore
1 offshore
10 Oil Producer
7 Gas Producer
1 Gas and Oil Producer
Sergipe Sub-basin
37 Fields in
Production/Development
28 onshore
9 offshore
Development and
Production Fields
State Limits
Sector
Round 11 Blocks
Sedimentary Basin
Basement
35 Oil Producer
2 Gas and Oil Producer
Evolution of the
Total Reserve (onshore)
Total Oil Reserve
Total Reserve Petroleum
(Onshore)
400
20%
350
The other basins
300
200
150
100
Total Gas Reserve
50
2012
2011
12000
2010
2009
10000
Year
B m³
8000
2000
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
0
2002
Sergipe Sub-basin
4000
2000
Alagoas Sub-basin
6000
2001
2008
2007
2006
2005
2004
2003
2002
2001
0
2000
MMbbl
Sergipe-Alagoas
Basin
80%
250
Year
Source: Anuário Estatístico Brasileiro do Petróleo, Gás Natural e Biocombustíveis, 2012
Accumulated Production
(Oil)
Production: 5 thousand bbl/day (dec/2012)
Siririzinho
74 Millions bbl
Riachuelo
44 Millons bbl
Camorim
38 Millions bbl
Guaricema
70 Millons bbl
Pilar
46 Millions bbl
Furado
24 Millons bbl
Carmópolis
361 Millons bbl
Caioba
35,5 Millions bbl
Accumulated Production
(Gas)
Production:1,8 Million m3/day (dec/2012)
Ananbé
204 Thousand m3
Furado
4 Billions m3
Cidade de São
Miguel dos Campos
2 Billions m3
São Miguel dos
Campos
2,5 Billions m3
Pilar
9 Billions m3
Tabuleiros dos
Martins
117 Millions m3
Campo de Coqueiro
Seco
26 Millions m3
Fazenda Pau Brasil
26 Millions m3
Blocks on Concession
and Bidding Rounds
55 Blocks were granted in bidding
rounds: R2, R4, R6, R7 and R10.
Currently, 12 blocks are under
concession, 3 of them are onshore.
Operators onshore:
 Integral de Petróleo e Gás do Brasil S.A.
 Petrogal
Legenda
. Capital
Development and
Production Fields
State Limits
Sectors
Round 11 Blocks
Sedimentary Basin
Basement
Exploratory Blocks
Round 2
Round 4
Round 6
Round 7
Round 10
Agenda
• Location and Characterization
• Infrastructure and Operacional Conditions
• Exploration Overview
• Tectonostratigraphic Evolution
• Petroleum Systems
• Plays
• Area on offer
• Final remarks
Stratigraphic Evolution
Sergipe Sub-basin
Alagoas Sub-basin
Drift
Post-Rift
Rift
Pre-Rift
Palaeozoic Sineclisis
Campos Neto et al., 2007
Source: ANP/UFRN/FUNPEC, 2008
Stratigraphic Evolution
Sergipe Sub-basin
Alagoas Sub-basin
Basement
Proterozoic
Sergipe Sub-basin
Sergipana Belt
Metamorphic
Alagoas Sub-basin
Pernambuco-Alagoas Massif
Granitic
Campos Neto et al., 2007
Source: ANP/UFRN/FUNPEC, 2008
Stratigraphic Evolution
Sergipe Sub-basin
Alagoas Sub-basin
Palaeozoic Sineclisis
Early Permian (Aracaré Fm)
Desert and coastal
Later Carboniferous (Batinga Fm)
Glacial
Campos Neto et al., 2007
Source: ANP/UFRN/FUNPEC, 2008
Stratigraphic Evolution
Sergipe Sub-basin
Alagoas Sub-basin
Pre-Rift
Jurassic to Eocretaceous
Berriasian (Serraria Fm)
Fluvial-lacustrine
Later Jurassic (Bananeiras and
Candeeiro Fms)
Fluvial-deltaic/ Lacustrine
Pre-Rift Unconformity (Mechanical Subsidence)
Campos Neto et al., 2007
Source: ANP/UFRN/FUNPEC, 2008
Stratigraphic Evolution
Sergipe Sub-basin
Alagoas Sub-basin
Rift
Early Cretaceous
Middle Aptian (Maceió Fm)
Deltaic and Alluvial/Sabkha.
Early Aptian (Fm. Poção e
Coqueiro Seco)
Fluvial, alluvial and lacustrine
Neocomian to Barremian
(Feliz Deserto, Penedo and Barra
do Itiúba Fm )
Fluvial-deltaic and lacustrine
Pre Neo-Alagoas Unconformity (South Atlantic opening)
Campos Neto et al., 2007
Source: ANP/UFRN/FUNPEC, 2008
Stratigraphic Evolution
Sergipe Sub-basin
Alagoas Sub-basin
Post-Rift
Albian to Coniacian
Sergipe Group
Pre-Calumbi Unconformity
Riachuelo and Cotinguiba Fm
Campos Neto et al., 2007
Source: ANP/UFRN/FUNPEC, 2008
Stratigraphic Evolution
Sergipe Sub-basin
Alagoas Sub-basin
Drift
Santonian to Recent
Piaçabuçu Group
Marituba, Mosqueiro and
Calumbi Fm
Campos Neto et al., 2007
Source: ANP/UFRN/FUNPEC, 2008
Structural Maps
Fazenda
Guindaste
Gravimetric Map
Residual Bouguer Anomaly
(mGal)
Pilar
Source: ANP/UFRN/FUNPEC, 2008
SE
Structural Maps
.Aracaju
BA
Magnetic Map
Analitic Sinal
Fazenda
Guindaste
(nT/m)
.Salvador
Pilar
Source: ANP/UFRN/FUNPEC, 2008
Structural Maps
Fazenda
Guindaste
Magnetic Map
Tilt
(Radians)
Pilar
Furado
Source: ANP/UFRN/FUNPEC, 2008
Agenda
• Location and Characterization
• Infrastructure and Operacional Conditions
• Exploration Overview
• Tectonostratigraphic Evolution
• Petroleum Systems
• Plays
• Area on offer
• Final remarks
Petroleum Systems
Barra do Itiúba/Coqueiro Seco – Coqueiro Seco (.)
Maceió (.)
Fonte: ANP/UFRN/FUNPEC, 2008
Petroleum Systems
Source Rock
Generation
Alagoas Sub-basin
Middle to Early Aptian
Maceió Fm
TOC ~ 5%, high potencial oil and gas
generator
Neocomian to
Barremian
Barra de Itiúba and
Coqueiro Seco Fm
Shales of freshwater to brackish water
TOC ~ 3%, high potencial generator
and Kerogen Type I and II
Campos Neto et al., 2007
Petroleum Systems
Reservoir Rock
Reservoirs
Alagoas Sub-basin
Aptian to Barremian
Maceió, Penedo and
Coqueiro Seco Fm
Sinrift Sandstones
Ø = 10% to 25%
Jurassic
to Neocomian
Pre-Rift Sandstone
Serraria Fm
Good permoporosity
Campos Neto et al., 2007
Petroleum Systems
Seal Rock
Alagoas Sub-basin
Reservoirs
Seals
Shales of Barra do Itiúba
and Coqueiro Seco Fm
Aptian to Barremian
Sinrift Sandstones
Shales of Feliz Deserto and
Barra do Itiúba Fm
Jurassic
to Neocomian
Pre-Rift Sandstone
Campos Neto et al., 2007
Petroleum Systems
Traps and Migration
Traps
 Domic features
 Horsts
 Basculation in the basement
 Normal faults NE
Migration
 Carrier layers
 Permeable faults
 Lateral migration
Source: ANP/UFRN/FUNPEC, 2008
Agenda
• Location and Characterization
• Infrastructure and Operacional Conditions
• Exploration Overview
• Tectonostratigraphic Evolution
• Petroleum Systems
• Plays
• Area on offer
• Final remarks
Plays
Summary
Plays
Late Jurassic Sandstones
Neocomian Sandstones
Barremian Sandstones and Carbonates
Aptian Sandstones
Main Plays
Barremian Play
Sandstones and
carbonates
Coqueiro Seco Fm and
Morro do Chaves Mb
Aptian Play
Sandstones
Maceió Fm
Neocomian Play
Sandstones
Barra do Itiúba Fm
Linhas 027-0164
0
Late Jurassic Play
Sanstones
Serraria Fm
40
Source: ANP/UFRN/FUNPEC, 2008
Barremian
Sandstones
A
A’
Rifte
Pré-rifte
Embasamento
36°0'0"W
35°0'0"W
9°0'0"S
Legenda
. Capitais
Campos em Des. ou
Produção
Limite Estadual
Setor em Oferta R11
Blocos em Oferta R11
Bacia Sedimentar
Embasamento
A
São Miguel dos Campos Field
A’
10°0'0"S
Blocos Exploratórios
Rodada 2
Rodada 4
Rodada 7
Rodada 10
Rodada 6
0 5 10 15 20
km
36°0'0"W
35°0'0"W
Source: ANP/UFRN/FUNPEC, 2008
Barremian
Sandstones and carbonates
Geological Section of the Pilar Field
A
36°0'0"W
35°0'0"W
9°0'0"S
(Bizzi et al. 2003 - mod. de Borba, 1998)
Anticline
Legenda
. Capitais
Campos em Des. ou
Produção
Limite Estadual
Setor em Oferta R11
Blocos em Oferta R11
Bacia Sedimentar
Embasamento
> 700 Reservoirs (gas and oil)
Intensive faults  Rift Tectonic
Blocos Exploratórios
A
A’
Rodada 2
Rodada 4
Rodada 6
0
5
10 15 20
km
36°0'0"W
35°0'0"W
Rodada 7
Rodada 10
A’
Aptian
Sandstones
1FGT 0001 AL
Fazenda
Guindaste
A
A’
Line
0027-0358
Faults
Aptian tops
Barremian tops
Basement
Agenda
• Location and Characterization
• Infrastructure and Operacional Conditions
• Exploration Overview
• Tectonostratigraphic Evolution
• Petroleum Systems
• Plays
• Area on offer
• Final remarks
Blocks on offer
•SEAL-T1 Sector – Alagoas
Sub-basin
• 25 Blocks
• Total Area ~ 733 km²
• Block Area ~ 30 km²
Legend
Capitals
State Limits
Sector
Round 11 Blocks
Sedimentary Basin
Basement
SEAL T1
Wells in the Area
Oil and gas
shows
Oil and gas
shows
Oil and gas
shows
throughout the
length of the
well
Oil and gas
shows
Fazenda Guindaste
Field has already
produced gas in
sandstones of
Maceió Fm
Data Package
 266 km of 2D seismic surveys
11 wells
 Petroleum System Studies of
Sergipe-Alagoas Basin - ANP/UFRN
2008
Gravimetry
Exploration
Opportunities
Magnetic Map
Tilt
(Radians)
Fonte: ANP/UFRN/FUNPEC, 2008
Exploration
Opportunities
SEAL-T1-72
Faults
Aptian top
Barremian top
Basement
0027-0564
Line 0027-0359
Exploration
Opportunities
SEAL-T1-78
SEAL-T1-72
Fazenda
Guindaste
Field
Line 0027-0678
Faults
Aptian top
Barremian top
Basement
Exploration
Opportunities
SEAL-T1-43
SEAL-T1-44
Line 0027-0562
Faults
Aptian top
Barremian top
Basement
Exploration
Opportunities
SEAL-T1-44
SEAL-T1-50
SEAL-T1-51
- 52
Fonte: ANP/UFRN/FUNPEC, 2008
Line 0027-0564
Faults
Aptian top
Barremian top
Basement
Speculative
Resources (Gas)
1 well
per
VGIP
114 km²
2 Billions
m3
97 Millions m3
*Logarithmic
Mean
per discovery*
Area on
offer
733 km²
1 well
per
5 km²
Drill
147
wells
Reference Period
21
discoveries
Risk
1:7
2002 to 2012
Contractual Aspects
SSEAL-T1 SECTOR
Exploratory Model
Mature
Number of Blocks
25
Area per block
30 km²
Area on offer
733.16 km²
Exploration Phase
5 years
Exploratory Period
3+2 years
Technical Qualification of the Operator
C
Minimum Bonus
R$ 25,089.20 to R$ 51,599.73
Minimum Depth
(Main Objective)
Coqueiro Seco Fm
Aptian
Agenda
• Location and Characterization
• Infrastructure and Operacional Conditions
• Exploration Overview
• Tectonostratigraphic Evolution
• Petroleum Systems
• Plays
• Area on offer
• Final remarks
Final Remarks
 Mature basin
 Active production of oil and gas in the northeast of Brazil
 Blocks offered and acquired by bidders in several rounds
 20% of the onshore reserves of the country
 Infrastructure for the oil industry
 Efficient petroleum system and diversity of plays
 Adequate
opportunities
for
small
and
medium-sized
companies
Reprocessing and non seismic methods are suggested
National Agency of Petroleum, Natural Gas and
Biofuels
Elaine Loureiro
[email protected]
www.anp.gov.br
57