GSTDTAP
DOI10.1306/04101918107
Identification of genetically distinct petroleum tribes in the Middle Magdalena Valley, Colombia
Thompson-Butler, William1; Peters, Kenneth E.1,2; Magoon, Leslie B.1; Scheirer, Allegra Hosford1; Moldowan, J. Michael3; Orlando Blanco, Vladimir4; Eugenio Gonzalez, Roman5; Graham, Stephan A.1; Zumberge, John E.6; Wavrek, David A.7
2019-12-01
发表期刊AAPG BULLETIN
ISSN0149-1423
EISSN1558-9153
出版年2019
卷号103期号:12页码:3003-3034
文章类型Article
语种英语
国家USA; Colombia
英文摘要

Six distinct oil tribes were established using multivariate statistical analysis of source-related biomarker and isotopic ratios for 73 crude oil samples from theMiddleMagdalena Valley (MMV), Colombia. These six tribes show a systematic distribution by both basin location and reservoir rock age and may originate from different source rocks or different organofacies of the same source rock. Biomarker and isotopic data further differentiate the tribes with respect to source rock depositional environment, lithology, organic matter type, and thermal maturity. The thermal maturity and reservoir interval for the northernmost tribe 5 suggest a middle Cretaceous Tablazo Formation source rock. In contrast, tribes 1 through 4 are likely derived from the primary regional source rock, the Upper Cretaceous La Luna Formation. However, we observe regional differences in bulk properties, thermal maturity, terrigenous input, and oxicity between the four La Luna-derived oil tribes. In addition, tribe 3 appears to result from end-member mixing between tribes 2 and 4. Finally, the southernmost tribe 6 is the only oil with terrigenous character. Diamondoid analysis shows the presence of significant secondary cracking in the tribe 6 oil with low levels of cracking present in oil samples from tribes 1 and 2 in the central MMV. This suggests a more deeply buried nonmarine source along the western flank of the Andean Eastern Cordillera. The integration of chemometric, biomarker, and diamondoid analyses have improved our understanding of the MMV petroleum system and advocate for the presence of three or more source rock intervals within the basin.


领域地球科学
收录类别SCI-E
WOS记录号WOS:000503033000008
WOS关键词CRUDE OILS ; DEPOSITIONAL ENVIRONMENT ; MATURITY PARAMETERS ; BASIN DEVELOPMENT ; THERMAL MATURITY ; ORGANIC FACIES ; SOURCE ROCKS ; INDICATORS ; FAMILIES ; MIOCENE
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/224025
专题环境与发展全球科技态势
作者单位1.Stanford Univ, Dept Geol Sci, Stanford, CA 94305 USA;
2.Schlumberger, Mill Valley, CA USA;
3.Biomarker Technol Inc, Rohnert Pk, CA USA;
4.Ecopetrol, Inst Colombiano Petroleo, Bucaramanga, Colombia;
5.Ecopetrol, Onshore Div, Bogota, Colombia;
6.GeoMark Res Ltd, Houston, TX USA;
7.Petr Syst Int Inc, Salt Lake City, UT USA
推荐引用方式
GB/T 7714
Thompson-Butler, William,Peters, Kenneth E.,Magoon, Leslie B.,et al. Identification of genetically distinct petroleum tribes in the Middle Magdalena Valley, Colombia[J]. AAPG BULLETIN,2019,103(12):3003-3034.
APA Thompson-Butler, William.,Peters, Kenneth E..,Magoon, Leslie B..,Scheirer, Allegra Hosford.,Moldowan, J. Michael.,...&Wavrek, David A..(2019).Identification of genetically distinct petroleum tribes in the Middle Magdalena Valley, Colombia.AAPG BULLETIN,103(12),3003-3034.
MLA Thompson-Butler, William,et al."Identification of genetically distinct petroleum tribes in the Middle Magdalena Valley, Colombia".AAPG BULLETIN 103.12(2019):3003-3034.
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