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Carbonera Formation

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Journal Article
Journal: Geophysics
Published: 22 August 2014
Geophysics (2014) 79 (5): B221–B230.
... traps. We integrated 700 km 2 of 3D seismic data volumes with eight wells in the Central Llanos area to assess the reservoir potential of the fluvial channel deposits of the Late Eocene–Oligocene Carbonera Formation in the Casanare Province. Distinguishing nonproductive, mud-filled channels from...
FIGURES | View All (10)
Series: GCSSEPM
Published: 01 December 1997
DOI: 10.5724/gcs.97.18.0183
EISBN: 978-1-944966-31-7
... sandstones of the Carbonera Formation, informally named the “T1 sandstone.” The T1 sandstone is sandstone-rich across the central part of the field and more mud-rich to the west, and is interpreted as representing the fill of a paleovalley. It comprises dominantly marginal marine strata deposited under...
Journal Article
Journal: GSA Bulletin
Published: 01 September 2014
GSA Bulletin (2014) 126 (9-10): 1181–1199.
... with a maximum depositional age of ca. 180–178 Ma calculated from detrital zircons. Six detrital-zircon age populations were defined from four sandstone samples ( n = 377 zircon grains) of the Nazas Formation and overlying La Casita and Carbonera Formations. The most prominent age clusters (≥10% of the entire...
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Journal Article
Journal: Palynology
Published: 01 June 2012
Palynology (2012) 36 (Suppl_1): 96–111.
... Picacho Formation and the lower part of the Concentracion Formation in the Eastern Cordillera, and the upper Mirador Formation and the base of the Carbonera Formation in the Llanos Foothills. The Los Corros Fossil Horizon is Late Eocene and is time-correlative with a marine transgression in the central...
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Series: AAPG Memoir
Published: 01 January 2006
DOI: 10.1306/1215884M883276
EISBN: 9780891813699
... of the Carbonera Formation. The Cupiagua structure is a large, east-verging, asymmetric anticlinal fold that trends north-northeast in the hanging wall of the frontal fault. Average length and width of the Cupiagua structure are 25 and 3 km (15 and 1.8 mi), respectively. The original oil in place in the Cupiagua...
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Series: AAPG Memoir
Published: 01 January 2003
DOI: 10.1306/M79877C42
EISBN: 9781629810546
... Abstract Hundreds of outcrop samples were analyzed for source rock evaluation. La Luna, Los Cuervos, and Carbonera Formations are considered excellent potential oil sources. However, La Luna and Los Cuervos were the oil-generating units according to 1-D modeling. Therefore, we define La Luna–K...
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Series: Geological Society, London, Special Publications
Published: 01 January 2013
DOI: 10.1144/SP371.13
EISBN: 9781862396340
... Llanos basin ( Bayona et al. 2011 ; Farris et al. 2011 ). The deepest rocks drilled in Saltarín 1A are from the Upper Carbonera formation that includes a lower sandstone unit (654.6–671 m) accumulated in a fluvial system, a middle mudstone unit accumulated in a lacustrine system (608.2–654.6 m...
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Series: GCSSEPM
Published: 01 December 1997
DOI: 10.5724/gcs.97.18.0093
EISBN: 978-1-944966-31-7
... 1-3, Figs. 1 and 3 ) have production from Mirador incised valleys and Mirador and Carbonera formation marine bars, with recoverable reserves >30 MMBO. Porosities for El Cubo Member (Carbonera Formation) sandstones average 16%, with permeabilities averaging 5-40 md, although values as high...
Journal Article
Journal: The Leading Edge
Published: 01 July 2014
The Leading Edge (2014) 33 (7): 734–744.
... of reservoir characterization based on elastic seismic inversion in the Llanos Basin in Colombia have proved to be successful for accurate description of the siliciclastic lithology of lower members of the Carbonera Formation. Mass density estimated from the inversion has been an important lithology...
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Journal Article
Journal: PALAIOS
Published: 01 April 2009
PALAIOS (2009) 24 (4): 199–210.
... a well-preserved molluscan assemblage that occurs near the top of the Carbonera Formation (lower Miocene) in the central foothills of the Eastern Cordillera. This level, named the Huesser horizon, is laterally extensive and can be followed for tens of kilometers. The horizon is 10 m thick and was divided...
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Journal Article
Journal: GSA Bulletin
Published: 01 October 1944
GSA Bulletin (1944) 55 (10): 1165–1216.
... 2500 meters thick within the Concession. This figure would be increased 75 per cent if the remainder of the Guayabo group as known just southeast of Cúcuta were included. The Tertiary is divided into the Barco, Los Cuervos, Mirador, Carbonera, León formations, the Guayabo group, and the Necesidad...
Image
Interpreted seismic section with fluvial channels of the <b>Carbonera</b> Formatio...
in > Geophysics
Published: 22 August 2014
Figure 3. Interpreted seismic section with fluvial channels of the Carbonera Formation highlighted in yellow through seismic volume survey boxes A, B, and C (location map given as inset map).
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Measured stratigraphic profiles of the C8–C6 members of the <b>Carbonera</b> Forma...
Published: 01 May 2009
Figure 4. Measured stratigraphic profiles of the C8–C6 members of the Carbonera Formation in the Medina Basin (location in Fig. 3A ), including lithostratigraphic correlations, interpreted facies associations, palynological zonations, and paleocurrent measurements. A southwesterly sourced
Image
Characteristics of mud- versus sand-filled channel belts of the <b>Carbonera</b> F...
in > Geophysics
Published: 22 August 2014
Figure 10. Characteristics of mud- versus sand-filled channel belts of the Carbonera Formation in the coherence cube, spectral decomposition, and vertical seismic display. (a) Example of a mud-filled channel type 1 in Carbonera member 3 and Carbonera member 5. (b) Example of a mud-filled channel
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Paleocurrent data for the (A) Mirador, (B) upper <b>Carbonera</b> and León, (C, D)...
Published: 01 January 2012
Figure 5. Paleocurrent data for the (A) Mirador, (B) upper Carbonera and León, (C, D) lower Guayabo, and (E) upper Guayabo Formations. Mean paleocurrent vector, number of measurements, and stations are listed for each rose diagram.
Journal Article
Published: 01 September 2000
Journal of the Geological Society (2000) 157 (5): 1003–1008.
... that recorded volcanic activity in this area spanned at least 10 Ma, beginning 21 Ma ago. Sample SPS-1 was collected from originally horizontal tuff bands whose formation predated the first movements on the southernmost strand of the Carboneras fault. The youngest sample (SPS-3) represents the continuation...
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Series: Geological Society, London, Special Publications
Published: 01 January 2013
DOI: 10.1144/SP377.16
EISBN: 9781862396388
... of the nine provinces (see Fig. 1 for province location). Nine seismic horizons where mapped across the basin, including tops of the crystalline basement, Palaeozoic section, Guadalupe Formation, Members 7 and 1 of the Carbonera Formation, León Formation, and sub-units 4, 3 and 2 of the Guayabo Formation...
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Journal Article
Published: 01 June 2000
The Canadian Mineralogist (2000) 38 (3): 553–565.
...) the formation of strike-slip and normal low-angle faults and associated structures ( e.g., the N40°–50°E Carboneras and the N10°–20°E Palomares faults), and 3) the development of Neogene volcanic rocks of calc-alkaline, potassic calc-alkaline, shoshonitic, ultrapotassic and basaltic series, enclosed mainly...
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Journal Article
Published: 01 April 1995
Journal of the Geological Society (1995) 152 (2): 339–351.
... for the evolution of the Carboneras fault system Most of the existing models to explain the formation and evolution of strike-slip fault zones postulate that Riedel shears are the most important structures within shear zones (Tchalenko 1970; Naylor et al. 1986). In these models Riedel shears are linked by P-shears...
Series: Geological Society, London, Special Publications
Published: 01 January 2008
DOI: 10.1144/SP299.9
EISBN: 9781862395473
... and the exposure must be in arid or semi-arid environments where the fragile rocks are not subject to extensive weathering. Field observations of two such faults are used to constrain their likely mechanical properties. One fault is the Carboneras fault in southeastern Spain, where the predominant country rocks...
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