SOUTHERN AND CENTRAL ALTIPLANO BOLIVIA EXPLORATORY BLOCKS Stratigraphic Column Detailed Seismic Location Map Coipasa Corregidores Seismic and Wells Image Geological Cross Section - Coipasa Petroleum System Geological Cross Section - Corregidores Seismic – Stratigraphic Model Petroleum system developed in central and southern Altiplano basin, is made up by source rocks of “El Molino and Chaunca” Formations (Cretaceous) reservoir rocks of the “Tambillo” (Tertiary) and Seal Rock in the Potoco y Santa Lucia Fm. (Terciary). However, Silurian, Ordovician and Devonian rocks, could also be involved in hydrocarbons generation. Anticlines with roll over in Cretaceous and Tertiary rocks are common, as in Vilque, Salinas de Garci Mendoza structures ,etc. According to the structural domain type, Upper Oligocene reverse anticlines can be estructural traps for further exploratory acitivities. (By: Araníbar & Martinez, 1990). Bolivian “Altiplano” Basin has been partially investigated. Vilque well has shown trap conditions, seal rock, reservoir rock and oil migration traces. Consequently, the “Altiplano” is likely to contain hydrocarbons where Cretaceous rocks are preserved. Structural model is represented by pre-rift extensional Faults (Upper Paleozoic) that were formed by tectonic inversion during the Andean compression. As per, the last geological reports, an atractive area constitute the region called Fault Thrust Belt “Faja Plegada y Corrida de Huarina” which is located near to the Eastern Cordillera. Conclusions 2000 4000 6000 8000 10000 12000 14000 16000 18000 20000 22000 24000 26000 28000 2000 4000 6000 8000 10000 12000 14000 16000 18000 20000 22000 24000 26000 28000 -3600 -3200 -2800 -2400 -2000 -1600 -1200 -800 -400 -3600 -3200 -2800 -2400 -2000 -1600 -1200 -800 -400 0 2000 4000 6000 8000 10000m 1:25600 2587-28 Line SAN VICENTE POTOCO EL MOLINO RIFT PRE-RIFT BASEMENT FOREDEEP TRANSITION AGE FORMATION THICK. m. LITOLOGY SOURCE ROCK RESERVOIR POTOCO OLIGC. SANTA LUCIA MAURI / LOS FRAILES NEOGN. U P P E R 200 - 500 MIOCN. EL MOLINO 10 - 100 DEVON. TARAPAYA CONDO P A L E O G E N E > 100 10 - 200 > 400 EOCENE SILURIAN ORD. NOT DEF. C R E T A C E O U S LOWER 250 - 1.000 SUP. CAYARA 500 - 2.800 150 - 500 200 PALC. CHAUNACA 300 350 300 AROIFILLA MIRAFLORES LOWER > 900 LLANDOV. LUDLOVN. S. VICENTE-TAMBILLO BELEN ICLA VILA VILA NOT DEFINED NOT DEFINED SEAL BENI SANTA CRUZ LA PAZ POTOSI PANDO ORURO TARIJA COCHABAMBA CHUQUISACA & ! ( ! ( ! ( ! ( ! ( ! ( SLC-X1 VLQ-X1 TLD-X1 SGM-X1 CPQ-X1 CNI-X1 Chita Pazña Ocuri Tahua Porco LLica Uncia Uyuni Poopo Quehua Coroma Tomave Chaqui Corque Sabaya Catavi Tupiza Atocha Pocoata Yocalla Coipasa Cº Piga Ollague Huanuni Totoral Sevaruyo Chayanta Carangas Chiguana El Choro Pulacayo Siglo XX Caiza "D" La Rivera Antequera Andamarca Tacobamba Rio Mulato Tinguipaya Challapata San Agustin Bella Vista Huachacalla Portugalete Colquechaca Tusqui Pampa Cieneguillas Todos Santos San Cristobal Cruce Ventilla Pampa Aullagas Pisiga Bolivar Santiago de Huari San Pablo de Lipez San Pedro de Quemez Santiago de Cotagaita Santuario de Quillacas Villa Martín Colcha "K" Salinas de Garci Mendoza Río Barras Río Sajama Río Laca Jahuira Río Capilla Río Pilcomayo Río Chayanta Qda. Kkotkkota Río Tupiza Potosí 600000 ,000000 700000 ,000000 800000 ,000000 7700000 ,000000 7800000 ,000000 7900000 ,000000 POTOSI ORURO Salar de Coipasa Lago Poopó Salar de Uyuni COIPASA CORREGIDORES Altiplano Madre de Dios Llanura Beniana Subandino Norte Llanura Chaqueña Subandino Sur Pie de Monte Pantanal ARGENTINA PARAGUAY BRASIL PERU CHILE BRASIL ! ( ! ( ! ( ! ( GARCI MENDOZA SANTA LUCIA SLC-X1 TLD-X1 SGM-X1 CPQ-X1 COIPASA 10065-60 2045-27 10081-60 2119-SO 2011A-27 2003-27 2002-27 2005-27 10080-60 2004-27 2012A-27 2010A-27 2537-28 10064-60 2008A-27 10062-60 2518-28 2018-27 2010-27 2500-28 10061-60 2048-27 2030-27 2027-27 2007A-27 2046-27 2032-27 2033-27 2006-27 2118-SO GP9403-EX 2001-27 2117-SO 2009A-27 10063-60 2028-27 2029-27 10060-60 2105-SO 2009-27 MA9203-MR 2019-27 2031-27 2007-27 2024-27 2034-27 2012-27 2036-27 2103-SO 2039-27 2040-27 2531-28 2008-27 2051-27 2526-28 2015-27 2050-27 2035-27 2519-28 2047-27 ALTI-4-PH ALTI15-PH 2539B-28 2016-27 2006A-27 2021-27 MA9204-MR GP9410-EX 2004A-27 GP9408-EX 2522-28 2017-27 2011-27 2056A-27 2049-27 2511-28 GP9405-EX GP9412-EX 2526A-28 2529A-28 2536-28 2041-27 2500B-28 2500A-28 2014-27 2529B-28 2532-28 Escara Corque Coipasa Chipaya Andamarca Huachacalla Salinas de Garci Mendoza ! ( COLCHANI VLQ-X1 CORREGIDORES 10016-60 1511-25 2588-28 2551-28 2593-28 2590-28 2589N-28 2550-28 10023-60 2594-28 10010-60 2585-28 10008-60 10007-60 2570-28 2552-28 1530-25 1509-25 25107-60 2549-28 2587-28 2586-28 2561-28 2584-28 25107-28 10015-60 1552-25 1517-25 10009-60 10011-60 1549-25 10012-60 2562-28 1508-25 1533-25 2560-28 25106-28 25105-28 2591-28 1547-25 1545-25 1542-25 1563-25 1543-25 1520-25 1510-25 1515-25 10004-60 2548-28 1505-25 2592A-28 10022-60 2582-28 2581-28 10024-60 1526A-25 1525-25 1544-25 1540-25 1565-25 1522-25 1526-25 1548-25 10001-60 Uyuni Pulacayo San Cristobal General Data Basin Type Basin Area 60.000 km2 Available Blocks Drilled Wells 2D - Seismic 2D (130 lines) Source Rock LJY-X1, TLD X-1, SLC-X1, CPQ-X1, SGM-X1, CNI-X1A, VLQ-X1 Coipasa 515,000.00 Ha, and Corregidores 655,000.00 Ha. Molino Fm, Chaunaca Fm Intermontana Geological Province Altiplano Hydrocarbon Type Oil and Gas Reservoir Rock Tertiary Age Rocks San Vicente and Tambillo Fm. Seal Rock Tertiary Age Rocks Santa Lucía Fm. Pocoto Fm. 17 Coipasa Nº Blocks 515 000 18 Corregidores 655 000 Area (Has) ROCK UNITS SOURCE ROCKS SEAL ROCKS RESERVOIR ROCKS OVER COVERT TRAP FORMATION GEN-MIG. ACUM PRESERVATION CRITICAL MOMENT GEOLOGICAL TIME MESOZOIC 200 150 70 100 60 50 40 30 20 10 Q TR L E M L E L PAL EOCENE OLIG MIOCENE PP CENOZOIC TERTIARY PETROLEUM SYSTEM EVENT EROTION EROTION 10 Km. OLLERIA VLQ-X1 INES 1 2 3 4 6 1 5 5 4 3 W E 2 3 1 4 5 LEYEND Miocene - Pliocene Silurian-Devonian Cretaceous Oligocene - Miocene Eocene - Oligocene 6 Cambrian -Ordovician Van Krevelen Diagram (HI vs OI) EL MOLINO Oxigen Index (OI) Hydrogen Index (HI) Oxigen Index (OI) TYPE III (GEN. GAS) TYPE I (GEN. OIL) TYPE II (GEN. OIL/GAS) CHAUNACA TYPE I (GEN. OIL) TYPE II (GEN. OIL/GAS) TYPE III (GEN. GAS) 12 8 9 7 1 2 3 4 5 6 10 11 RIFT ALTIPLANICO RIFT DE MARAGUA Km. 1 2 3 4 5 6 7 0 Vercal Scale : Aproximately Horizontal Scale: Schemac W E Andamarca. Datum Mizque Sevaruyo Maragua Carata SILURICO DEVONIAN ORDOVICICO CAMBRICO R PR