sta 7 bacia dos parecis ingles
TRANSCRIPT
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BrazilBrazil Round 10Round 10
Parecis Parecis BasinBasin
Geologists Marcos André Rodrigues Alves, Marina Abelha Ferreira and Bolívar
da Silva HaeserBid Areas Department
Parecis Parecis BasinBasin
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BasinBasin LocationLocation
MTRO
TO
AM PA
Area: 355,400 km2
Age: Neoproterozoic
Sedimentary thickness: >6,000m
Parecis
DF
MS
GO
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BasinBasin BoundariesBoundaries
~600 km from the frontal fault of the Andes Cordillera
The basin boundaries are delimitated by the Paleozoic outcrops
Parecis
Alto Xingú Arch
Rio Guaporé Arch
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� Economically active region: agriculture, poultry and livestockraising;
� Energy and communications, with well established technical-commercial structure, enabling specialized service offerings;
InfrastructureInfrastructure
� Available manpower;
� The region has a good road system and relatively nearby air andrailway connections;
� It lies close to regional centers (Goiânia, Brasília, Cuiabá, Campo Grande);
� Eventual gas production could be directly absorbed;
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InfrastructureInfrastructure
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RO
CENTRO-OESTE REGIONTRANSPORT INVESTMENTS FORECASTING 2007-2010
BR-242-MTBR-158-MT
Railroad Norte-Sul - GO
Offered Blocks
InfrastructureInfrastructure
MG
TOTAL INVESTMENT: R$ 3.5 billion
BR-356-MT
BR-163-364-MT
BR-070-GO
BR-060-GO
BR-153-GOFerronorte Rondonópolis-MT
Dredging and rock waste removalWaterway Paraná-Paraguai – MS-MT
Source: http://www.planejamento.gov.br/arquivos_down/noticias/pac/070123_PAC_INFRA-ESTRUTURA.pdf
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Gas Pipelines: 7,662 km
•Transference: 2,228 km
•Transport: 5,434 km
Natural Natural GasGas TransportationTransportationInfrastructureInfrastructure
Bolívia-Brasil (in Brazil): 2,583 km
R10 Blocks
NGPUs
Cities
Gas Pipelines
Gas Pipelines under construction
Capitals.
Bolívia-Brasil (in Brazil): 2,583 km
Northern Part: 1,418 km
Southern Part: 1,165 km
Uruguaiana-Porto Alegre: 615 km
Part 1: 25 km
Part 2: (under construction): 565 km
Part 3: 25 km
Lateral Cuiabá (in Brazil): 267 km
Anuário Estatístico Brasileiro do Petróleo e do Gás Natural - 2007
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ExploratoryExploratory ReviewReview
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ExploratoryExploratory ReviewReview
� 1970 decade: geological recognition mapping (1:250,000 scale) byDNPM in agreement with CPRM;
� 1988-1989: Petrobras began exploratory activities in the Parecis Basin,with gravimetric and aeromagnetometric surveying of the Juruena Sub-with gravimetric and aeromagnetometric surveying of the Juruena Sub-basin (central part of Parecis Basin);
�1989: Siqueira, L. P. integrated geological mapping to geophysical dataobtained by other authors, publishing a good synthesis about theParecis Basin;
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�1988–1991: surface geological studies, confirming the variouslithostratigraphic units mapped by CPRM (Siqueira et al. 1988,1991);
�Discovery of a thermogenic gas seep at the locality of Salto Magessi(Teles Pires river), in the southeastern part of the Juruena Sub-basin
ExploratoryExploratory ReviewReview
(Teles Pires river), in the southeastern part of the Juruena Sub-basin(Siqueira 1989; Santos et al. 1990);
� 1992: regional seismic reconnaissance, followed by gravimetricsurvey along the seismic lines. Identification of the basin depocenter, with calculated depth of 5,000m at the Chapada dos Parecis, as well as six depositional sequences, separated by regional unconformities.
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� 1993: stratigraphic well 2-FI-0001-MT (09/04/93) drilled in the Rondônia Sub-basin, with a total depth of 2,386 m;
� 1995: stratigraphic well 2-SM-0001-MT (01/30/95) drilled in the Juruena
ExploratoryExploratory ReviewReview
Sub-basin, with a total depth of 5,777 m;
� 1995: aerogravimetry and aeromagnetometry surveys (Petrobras) over the whole basin;
� 2007/08: ongoing surface geochemistry survey contracted by ANP (2,400 sampling points), with good results being already obtained in regional sampling as well as in surface geochemical analysis.
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� Exploratory Wells: 2 (stratigraphic)
2-FI-0001-MT(1993): 2,386 m
2-SM-001-MT(1995): 5,777 m (1 well/177,700 km2)
ExploratoryExploratory ReviewReview
AvailableAvailable DataData
� 2D Seismic Survey: 490.6 km (linear)
� Aerogeophysic Grav/Mag Survey: 228,061 km (linear)
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WELL 2SM 0001 MT 2FI 0001 MT
LATITUDE -13:30:44.408 -14:05:08.309
LONGITUDE -55:24:37.818 -57:59:39.279
ExploratoryExploratory ReviewReview
WellsWells
DEPTH 5777 2386
ROTATING TABLE 406 644
CLASS DRY HOLE DRY WITHOUT SHOWS
REMARKS
Gas shows at:4762-4768m (Ponta Grossa Fm.)4983-4987m (Proterozoic Alto Paraguai Gr.)5094-5095m (Proterozoic Alto Paraguai Gr.)DST nº2, 4981-4990m (Proterozoic), revealstight sandstone with rare drops of black oil.
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Exploratory ReviewExploratory Review
Location of Seismic/WellsLocation of Seismic/Wells
2D Seismic Survey: 2D Seismic Survey: 490.6 km (linear)Exploratory Wells: Exploratory Wells: 2 stratigraphic wells (1 well/177,700 km2)
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Salto Magessi gas seep (Teles
Pires river)
ExploratoryExploratory ReviewReview
SurfaceSurface GeochemistryGeochemistry
SurfaceSurface GeochemistryGeochemistry SurveySurvey: : 2,400 sampling points and 14 gas seep samples
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PreliminaryPreliminary ResultsResults
GasGas GeochemistryGeochemistry
00
Methane (C1) Ethane (C2) Propane (C3)
Butane (C4) Pentane (C5) Hexane (C6)Red spots (3rd order anomalies) - Orange spots (2nd order anomalies) Yellow spots (1st order anomalies)
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ExploratoryExploratory EffortEffort
GravimetryGravimetry
Parecis Basin Bouguer anomaly map. Source: Bahia et al. (2007).
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ExploratoryExploratory EffortEffort
Residual Residual GravimetricGravimetric
Parecis Basin residual gravimetric map. Source: Bahia et al. (2007).
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ExploratoryExploratory EffortEffort
MagnetotelluricMagnetotelluric
Parecis Basin magnetotelluric profile location map. Source: Observatório Nacional
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ExploratoryExploratory EffortEffort
MagnetotelluricMagnetotelluric
Parecis Basin magnetotelluric profile. Source: Flexor et al. (2005)
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GeologyGeology
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Tectonic EvolutionNeoproterozoic
Neoproterozoic rifting
Caiabis Formation depositionFluvial environment
Neoproterozoic sag
Araras Group depositionLimestones Cap (Marinoan Glaciation)Transgression/Shallow marine environment
Alto Paraguai Group depositionMarine environment
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Pimenta Bueno Graben
Colorado Graben
Tectonic EvolutionPaleozoic
(A) Taphrogenesis – SW sector of the Amazonic Craton extension
(B) Cacoal Formation deposition
(c)(C) Koilogenesis: end of the rift phase
Regional Subsidence: Furnas, Ponta Grossa, Pimenta Bueno, Fazenda da Casa Branca, Rio Ávila, Anari and Parecis formations deposition
Source: Bahia et al. (2007), modified from Siqueira, 1989
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Parecis Basin Stratigraphic chart
Fazenda Casa Branca Fm.
Rio Ávila Fm. Anari Fm. Parecis Fm.Araguaia Fm.
Sag
Boletim de Geociências da Petrobras, no.1, vol.8, 1994.
Araras Gr. + Alto Paraguai Gr.
Caiabis Gr.
Cacoal Fm.
Furnas Fm. and Ponta Grossa Fm.
Pimenta Bueno Fm.
Fazenda Casa Branca Fm. Sag
Ptz Sag
Ptz Rift
Paleozoic Rift
Basement: Amazon Craton
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Parecis Basin Stratigraphic chart
Gondwanide Orogeny
Andean Orogeny
Boletim de Geociências da Petrobras, no.1, vol.8, 1994.
Caledonian Orogeny
Hercynian Orogeny
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Structural Framework
� Three tectono-sedimentary domains
I. Western domain: Rondônia Sub-basin
II. Central domain: Juruena Sub-basin
II. Eastern domain: Alto Xingu Sub-domain
Source: Bahia et al. (2007) modified from Siqueira, 1989
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Structural Framework
Rio Branco Structural High
Colorado Structural Low
Pimenta Bueno Structural Low
Platforms
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Geologic Map
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Seismic and Geologic cross-section
Source: Teixeira, L. B. (2005)
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I – Proterozoic/EoPz
II- SD/PC sequences
III- PT/J/K sequences
Seismic and Geologic cross-section
Line 240-0071 Line 240-0073
Source: Teixeira, L. B. (2005)
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PetroleumPetroleum SystemsSystems
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Source RocksP
ERM
O-
CA
RB
ON
IFER
OU
S
PERMO-CARBONIFEROUS
Pimenta Bueno Fm.
Radioactive black shale
NEO
PR
OTE
RO
ZOIC
DEV
ON
IAN DEVONIAN
Ponta Grossa Fm.
Radioactive black shale
NEOPROTEROZOIC
RIFEAN/VENDIAN
Alto Paraguai Gr.
Radioactive black shale
Araras Gr. – MarlSchematic stratigraphic chart. Source: Petrobras (1994)
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Source Source RocksRocks
Possibility of oil maturation by
burial (Neoproterozoic)burial (Neoproterozoic)
Gravimetric Data
Gravimetric map of the basin (Petrobras)
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Top of the
Ponta Grossa Fm.
Radioactive black shales
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Top of the Ponta Grossa Fm. - 3D
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Top of the Neoproterozoic - 3D
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Top of the Neoproterozoic 3D
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Top of the Ponta Grossa Fm.
and the Neoproterozoic - 3D
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CA
RB
ON
IFER
OU
S
PERMIAN
Fazenda Casa Branca Fm. sandstones
PER
MIA
NReservoir Rocks
Furnas Fm. sandstones
DEVONIAN
PERMO-CARBONIFEROUS
Pimenta Bueno Fm. sandstones
NEO
PR
OTE
RO
ZOIC
DEV
ON
IAN
PER
MO
-C
AR
BO
NIF
ERO
US
Alto Paraguai Gr. sandstones
Araras Gr. limestones
NEOPROTEROZOIC
Schematic stratigraphic chart. Source: Petrobras (1994)
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PERMIAN
Fazenda Casa Branca Fm. shales
--C
AR
BO
NIF
ER
OU
SC
AR
BO
NIF
ER
OU
SP
ERM
IAN
Seal Rocks
Alto Paraguai Gr. shales
Ponta Grossa Fm. shales
Araras Gr. evaporites
NEO
PR
OTE
RO
ZOIC
DEV
ON
IAN
PE
RM
OP
ER
MO
--C
AR
BO
NIF
ER
OU
SC
AR
BO
NIF
ER
OU
S
NEOPROTEROZOIC
DEVONIAN
Schematic stratigraphic chart. Source: Petrobras (1994)
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� Oil seep at Mirassol d´Oeste town (Nogueira et al., 2001)
�Macro and Micro gas seeps at Salto Magessi associated with δ13
C values
varying from -50 ‰ to -36 ‰
PetroleumPetroleum SystemsSystems
Presence of an active petroleum system with thermogenic generation
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Oil seep at Mirassol Oil seep at Mirassol DD´́OesteOeste
Location map
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Carbonatic rocks of the Araras Gr. impregnated with oil
Samples collected at Terconi quarry (2002)
Oil seep at Mirassol Oil seep at Mirassol DD´́OesteOeste
Images kindly given by Prof. Carlos Alvarenga
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1000
2000
3000
4000
5000
6000
7000
8000
NSO COMPOUNDS
Gas chromatography analysis: slight biodegradation. Partial absense of n-alcane pattern. Abundant compounds. Abundance of NOS compounds concentration.
OilOil seepseep atat Mirassol Mirassol dd´́OesteOeste
10.00 20.00 30.00 40.00 50.00 60.00 70.00 80.00 90.000
Time-->
-34.0
-32.0
-30.0
-28.0
-26.0
-24.0
-22.0
-20.0
Ad
am
an
tan
e
1-M
ead
a
1,3
-Dim
ead
a
1,3
,5-T
rim
ead
a
2-M
ead
a
1,4
-Dim
ead
a (
cis
) *
1,4
-Dim
ead
a (
tran
s)
*
1,3
,6-T
rim
ead
a
1,2
-Dim
ead
a *
1,3
,4-T
rim
ead
a (
cis
)
1,3
,4-T
rim
ead
a (
tran
s)
1,2
,5,7
-Tetr
am
ead
a
Axis
Titl
eMirassol (AHD2201)
Silurian Saudi Arabia
Silurian Saudi Arabia
Devonian Algeria
Devonian Algeria
PreCambrian Oman
PreCambrian Oman
-34.0
-32.0
-30.0
-28.0
-26.0
-24.0
-22.0
-20.0
Ad
am
an
tan
e
1-M
ead
a
1,3
-Dim
ead
a
1,3
,5-T
rim
ead
a
2-M
ead
a
1,4
-Dim
ead
a (
cis
) *
1,4
-Dim
ead
a (
tran
s)
*
1,3
,6-T
rim
ead
a
1,2
-Dim
ead
a *
1,3
,4-T
rim
ead
a (
cis
)
1,3
,4-T
rim
ead
a (
tran
s)
1,2
,5,7
-Tetr
am
ead
a
Axis
Titl
eMirassol (AHD2201)
Silurian Saudi Arabia
Silurian Saudi Arabia
Devonian Algeria
Devonian Algeria
PreCambrian Oman
PreCambrian Oman
CSIA-D data showing
correlation with Saudi
Arabian and Argelian
Paleozoic oils
Images kindly given by HRT Company
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OfferedOffered BlocksBlocks
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OfferedOffered BlocksBlocks
Total area:
14,025.97 km²PRC-T-105
PRC-T-106PRC-T-104
6 exploratory blocks on the western region of the
Parecis BasinPRC-T-121 PRC-T-123
PRC-T-122
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MinimumMinimum BonusBonus
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Sector Name SPRC-L
Exploratory Class New Frontier
Number of Blocks 6
Total Bid Area 14,025.97 km²
Programa Exploratório Programa Exploratório MínimoMínimo
Total Bid Area 14,025.97 km²
Mean Block Area ~ 2,400 km²
Exploration Phase 6 years
Exploratory Period 4 + 2 anos
Operator Technical Qualification C
Minimum Bonus R$ 65,000.00 to R$ 130,000.00
Minimum TargetPimenta Bueno Formation
(Carboniferous)
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Final Final RemarksRemarks
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Final Final RemarksRemarks
� New Frontier Basin still poorly investigated, but promising due tostrong gas seeps (Teles Pires river, at Salto Magessi) and to theoccurrence of hydrocarbons in outcrops of the Neoproterozoic ArarasFormation (Mirassol D`Oeste, ~ 100 km south of the SW border of thebasin).
� The Proterozoic outcrops can be found around the basin. The� The Proterozoic outcrops can be found around the basin. Thepresence of these sediments also in the 2-SM-0001-MT well showsthat the basin evolution started with an intracratonic rift and evolvedconsequently to a thermal sag type.
� The Parecis Basin hydrocarbon generation has a thermogenic origin>>> ACTIVE petroleum system.
� The exploration history shows that these activities ceased after the“Emenda Constitucional nº 9, 1995”.
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Teles Pires river gas seepTeles Pires river gas seep
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Bolívar da Silva Haeser
Marcos André Rodrigues Alves
Marina Abelha Ferreira
www.brasil-rounds.gov.br