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Book Chapter

Petroleum Systems of the Guajira Basin, Northern Colombia

By
Victor Ramirez
Victor Ramirez
Ecopetrol S.A. Exploration Vice-Presidency, Cra 7 No 32-42 10th floor, San Martin Bldg., Bogota, Colombia (e-mails: victor.ramirez@ecopetrol.com.co; luz.vargas@ecopetrol.com.co; claudia.zapata @ecopetrol.com.co; helga.nino@ecopetrol.com.co; oswaldo.mantilla@ecopetrol.com.co)
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Luz Stella Vargas
Luz Stella Vargas
Ecopetrol S.A. Exploration Vice-Presidency, Cra 7 No 32-42 10th floor, San Martin Bldg., Bogota, Colombia (e-mails: victor.ramirez@ecopetrol.com.co; luz.vargas@ecopetrol.com.co; claudia.zapata @ecopetrol.com.co; helga.nino@ecopetrol.com.co; oswaldo.mantilla@ecopetrol.com.co)
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Claudia Rubio
Claudia Rubio
Ecopetrol S.A. Exploration Vice-Presidency, Cra 7 No 32-42 10th floor, San Martin Bldg., Bogota, Colombia (e-mails: victor.ramirez@ecopetrol.com.co; luz.vargas@ecopetrol.com.co; claudia.zapata @ecopetrol.com.co; helga.nino@ecopetrol.com.co; oswaldo.mantilla@ecopetrol.com.co)
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Helga Nino
Helga Nino
Ecopetrol S.A. Exploration Vice-Presidency, Cra 7 No 32-42 10th floor, San Martin Bldg., Bogota, Colombia (e-mails: victor.ramirez@ecopetrol.com.co; luz.vargas@ecopetrol.com.co; claudia.zapata @ecopetrol.com.co; helga.nino@ecopetrol.com.co; oswaldo.mantilla@ecopetrol.com.co)
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Oswaldo Mantilla
Oswaldo Mantilla
Ecopetrol S.A. Exploration Vice-Presidency, Cra 7 No 32-42 10th floor, San Martin Bldg., Bogota, Colombia (e-mails: victor.ramirez@ecopetrol.com.co; luz.vargas@ecopetrol.com.co; claudia.zapata @ecopetrol.com.co; helga.nino@ecopetrol.com.co; oswaldo.mantilla@ecopetrol.com.co)
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Published:
January 01, 2015

Abstract

Hydrocarbon potential in the Guajira Basin is associated with two different processes for hydrocarbon generation: biogenic and thermogenic. Biogenic hydrocarbons are generated from immature source rocks exposed to bacterial activity. Thermogenic hydrocarbons are produced from source rocks that have attained a sufficient depth of burial and thermal maturity level.

Source rocks in the basin may include Cretaceous, Eocene, Oligocene, and Miocene organic rich strata. The Cretaceous rocks can be equivalent to the La Luna Formation of the Maracaibo area with a kerogen type II. Source rock of Tertiary units can be type III, which give the basin its predominantly gas-prone character. Recent geochemical data indicate a late Cretaceous source rock in the deep offshore area in the western part of the basin in preserved stratigraphic sections associated with the South Caribbean deformed belt.

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Contents

AAPG Memoir

Petroleum Geology and Potential of the Colombian Caribbean Margin

Claudio Bartolini
Claudio Bartolini
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Paul Mann
Paul Mann
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American Association of Petroleum Geologists
Volume
108
ISBN electronic:
9781629812724
Publication date:
January 01, 2015

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