Circum-Arctic petroleum systems identified using decision-tree chemometrics

Peters, Kenneth E.; Ramos, Lourdes; Zumberge, John E.; Valin, Zenon C.; Scotese, Christopher R.; Gautier, Donald L.

doi:10.1306/12290606097

Cited by 87 publications

(44 citation statements)

References 74 publications

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“…Compared with univariate or bivariate techniques, which only deal with one or two variables at a time, multivariate techniques treat all of the data simultaneously using matrix algebra, and describe a sample by a point in space that has as many axes as variables (Peters et al, 2005). Some applications of chemometrics in petroleum geochemistry include those described by Christie et al (1984), Peters et al (1986Peters et al ( , 2000Peters et al ( , 2007Peters et al ( , 2008aPeters et al ( ,b, 2013, Zumberge et al (2005), and He et al (2012). In the present study, a chemometric method, i.e., ALS from Pirouette Ò software (Infometrix, Inc.) was employed.…”

Section: Methodsmentioning

confidence: 99%

“…Statistical analysis of many parameters offers more reliance assessments of conclusion. Multivariate statistical analysis has gradually been introduced and applied, including principal component analysis (PCA), hierarchical cluster analysis (HCA), and alternating least squares (ALS) (Peters et al, 2007(Peters et al, , 2008a(Peters et al, ,b, 2013.…”

Section: Characteristics Of Mixturesmentioning

confidence: 99%

“…The parameters used in chemometrics can be selected so as to exclude those parameters that are not relevant for genetic correlation. Excluded parameters might include those affected by secondary processes, such as biodegradation or extreme thermal maturity (Peters et al, 2007).…”

Section: Tablementioning

confidence: 99%

“…They used compound-specific isotope analysis to define the end member oils. Peters et al (2007Peters et al ( , 2008aPeters et al ( , 2013 classified more than 388 crude oil and seep samples from coastal California and more than 622 oil samples from the Circum-Arctic using chemometrics, including principal component analysis (PCA), hierarchical cluster analysis (HCA), ascendant hierarchical cluster (AHC), K-nearest neighbor analysis (KNN), and soft independent modeling of class analogy (SIMCA). Peters et al (2008b) assessed the relative volumetric contributions from different source rocks to mixed crude oil in Prudhoe Bay field, North Slope, Alaska, based on ALS of concentration data for 46 biomarkers in the range of C 19 -C 35 .…”

Section: Introductionmentioning

confidence: 99%

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Section: Methodsmentioning

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Section: Characteristics Of Mixturesmentioning

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“…Chemometric analysis of biomarker and isotopic data (Peters et al 2007) suggests that at least four genetic families of oils are present; Upper Riphean source rocks, particularly those of the Iremken Formation account for most of the known oil (Ulmishek 2001), including accumulations on the Baykit High.…”

Section: Source Rocksmentioning

confidence: 99%

Chapter 1 An overview of the petroleum geology of the Arctic

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et al. 2011

Memoirs

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Fast methods for the identification of suitable chemo‐enzymatic treatments of Kraft lignin to obtain aromatic compounds

Herrera

Bodi‐Paul

Gordobil

et al. 2020

Biofuels Bioprod Bioref

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Kraft lignin valorization is the cornerstone for the establishment of biorefineries based on residual fractions from the pulping processes. From the precipitation process to depolymerization, various strategies have emerged, all focused on obtaining high yields or higher purity monomers. The strategy used in this study was to modify the structure of the precipitated Kraft lignin with different oxidative enzymatic treatments, with the purpose of facilitating subsequent catalytic depolymerization. The treatments were performed with different concentrations of lacasse and mediator, and then lignin structure and chemical composition were analyzed to find the optimal treatment for depolymerization. Chemometric methods based on infrared signals were used as fast tools to reduce the complexity of the chemical information generated from lignin characterization, and were therefore used to distinguish the most appropriate chemoenzymatic treatment. The results of the chemical catalysis showed higher conversion yields of the Kraft lignin after the enzymatic process than after using only chemical catalysis. The primary compounds obtained were catechol and its derivatives, thus validating its selection by means of infrared spectroscopy and chemometrics. In conclusion, it was possible to choose a straightforward chemoenzymatic process that improves the conversion of the Kraft lignin to aromatic compounds with the help of non-destructive, low-cost, and fast tools.

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Circum-Arctic petroleum systems identified using decision-tree chemometrics

Cited by 87 publications

References 74 publications

Unmixing of mixed oil using chemometrics

Unmixing of mixed oil using chemometrics

Chapter 1 An overview of the petroleum geology of the Arctic

Fast methods for the identification of suitable chemo‐enzymatic treatments of Kraft lignin to obtain aromatic compounds

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